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  1. Western Digital ships 16TB and 18TB EAMR hard drives, preps 20TB HDDs Western Digital 18TB hard drives now available to cloud service providers and channel customers. (Image credit: Western Digital) Western Digital has begun commercial shipments of its 16TB and 18TB helium-filled hard disk drives for servers and cloud datacenters. The company's new HDDs use a new architecture featuring triple-stage actuators (TSA) as well as the company’s first-generation energy-assisted magnetic recording (EAMR) technology. Western Digital says that the same set of technologies will be used to make 20TB HDDs in the coming months. Western Digital HDD The Western Digital Ultrastar DC HC550 family consists of two models featuring a 16 TB and 18 TB capacity based on the 6th generation HelioSeal platform. The key features of the new platform are nine platters (for both SKUs), a new mechanical design featuring arms with a triple-stage actuator to improve read/write accuracy at an increased number of tracks per inch, and new EAMR heads with an electrical current applied to their writers to generate an additional magnetic field and produce a consistent write signal at high areal densities. Western Digital calls its EAMR technology energy-assisted perpendicular magnetic recording (ePMR) as it is an evolution of the conventional magnetic recording (CMR) that has been in use for years. This set of new technologies enabled Western Digital to increase areal density of its Ultrastar DC HC550 18 TB hard drive to 1022 Gbits/inch2. When the company applies shingled magnetic recording (SMR) to its Ultrastar DC HC650 20 TB HDD in the coming months, the density will further increase to 1160 Gbits/inch2. (Image credit: Western Digital) Other characteristics of Western Digital’s Ultrastar DC HC550 products are fairly typical for nearline hard drives designed for 24/7 operation at an up to 550 TB/year workload. The HDDs are equipped with a 7200-RPM motor that is attached both to bottom and top of the drive for enhanced reliability, a 512 MB cache buffer, and a SATA 6 Gbps or a SAS 12 Gbps interface. In addition, the devices feature vibration and environmental sensors. The SATA versions consume 5.6 W in idle, whereas SAS models consume 5.8 W in idle (same as the Ultrastar DC HC530), thus decreasing per terabyte power consumption by 21% when compared to 14 TB HDDs. From performance point of view, the Ultrastar DC HC550 18 TB offers up to a roughly 270 MB/s sustained transfer rate, which makes it one of the fastest hard drives on the market. Meanwhile, its IOPS/TB performance is somewhat lower when compared to previous-generation models, so users of these HDDs will have to mitigate it somehow to ensure their QoS and other requirements. Operators of hyperscale datacenters will appreciate a massive 29% capacity increase of the Ultrastar DC HC550 TB hard drive versus its 14 TB predecessor. The new HDDs will enable such companies to store up to 4320 TB of data in a single standard rack (240 drives) at the same power. Increasing data storage capacity per square meter and without an increase in power consumption is tremendously important for Western Digital’s hyperscale clients, so expect the company to sell a boatload of new hard drives. Western Digital’s Ultrastar DC HC550 16TB and 18TB HDDs are already in use by hyperscale and OEM customers like Datto, DDN, and Dropbox. From now on, these hard drives are also available to other available for cloud, large enterprise customers, and other datacenter clients. Furthermore, Western Digital also offers WD Gold 16TB and 18TB HDDs that use the same architecture and technologies as their Ultrastar DC HC550 counterparts to system integrators and resellers. Eventually, these drives will be available from retailers like Amazon, meaning it will be possible to install half a dozen of them into a high-end desktop for over 100TB of storage space. Western Digital ships 16TB and 18TB EAMR hard drives, preps 20TB HDDs
  2. frankl1n

    750gb External HDD for $8USD !!

    I have a Toshiba MQ01ABD075 750GB hard drive that I saved out of an old laptop. So I spent $8 on one of these ORICO USB3.0 to SATA External Hard Drive Enclosures. It will arrive in a few days, then I will have my $8 750gb portable HDD!
  3. Hi all, I've got an old Dell Inspiron R15 N5010 laptop which has a 320GB Samsung SATA HDD in it. The HDD is detected in BIOS, but not showing whie trying to install any OS. So, I removed the HDD & installed a SSD in it, which solved the problem. Now, I have some important old photos in the Samsung HDD. I need to recover them from the drive, but it's not getting detected when I tried to connect it with a USB adapter. I guess the circuit board of the HDD is damaged. A friend of mine told me to replace the circuit board with another HDD circuit board for the drive to get detected. But I doubt that it might get only detected if I changed the circuit board with another working Samsung 320GB HDD board. Now I need a solution to my doubt. I already have a 500GB Hitachi HDD (dead, but I believe the circuit board is still working). Will the Samsung HDD work if I change it's circuit board with the Hitachi HDD, or I need an exact model of the same drive? Thanks.
  4. Hello guys, I need a solution to clone my entire HDD of an old computer which has installed Windows XP Professional SP3 in it to a SSD. I tried Macrium Reflect 7.2 to clone it, but the whole process ended up with an Error code "0". Thanks.
  5. Kyle_Katarn

    HDDExpert 1.18.3

    HDDExpert + Portable Multilingual HDDExpert gives you a crystal-clear vision of your Hard Drive (HDD or SSD) health and performance and translates S.M.A.R.T. attributes into readable indication. It then recommends maintenance (fans upgrade, spare purchase, backups and more) depending on the amount of failures detected on your hard drives. Features: Clear S.M.A.R.T. attribute decoding S.M.A.R.T. attribute classification : failures, health, performance, temperatures,.. Maintenance recommendations : Fans upgrade, Spare purchase, backups... depending on failures User-friendly interface Internationalization support. OS: Windows Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php Homepage: https://www.kcsoftwares.com/?hdde Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php?project_id=16 Download Installer : https://www.kcsoftwares.com/files/hdde_lite.exe Download Portable : https://www.kcsoftwares.com/files/hdde.zip
  6. Hi to all members. Can anyone guide me i want to replace MY Desktop HDD. Which HDD is better for Desktop PC .. Normal or Surveillance ... Which is fast .... Thanks...
  7. Kyle_Katarn

    HDDExpert 1.18.2

    HDDExpert + Portable Multilingual HDDExpert gives you a crystal-clear vision of your Hard Drive (HDD or SSD) health and performance and translates S.M.A.R.T. attributes into readable indication. It then recommends maintenance (fans upgrade, spare purchase, backups and more) depending on the amount of failures detected on your hard drives. Features: Clear S.M.A.R.T. attribute decoding S.M.A.R.T. attribute classification : failures, health, performance, temperatures,.. Maintenance recommendations : Fans upgrade, Spare purchase, backups... depending on failures User-friendly interface Internationalization support. OS: Windows Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php Homepage: https://www.kcsoftwares.com/?hdde Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php?project_id=16 Download Installer : https://www.kcsoftwares.com/files/hdde_lite.exe Download Portable : https://www.kcsoftwares.com/files/hdde.zip
  8. Kyle_Katarn

    HDDExpert 1.18.1

    HDDExpert + Portable Multilingual HDDExpert gives you a crystal-clear vision of your Hard Drive (HDD or SSD) health and performance and translates S.M.A.R.T. attributes into readable indication. It then recommends maintenance (fans upgrade, spare purchase, backups and more) depending on the amount of failures detected on your hard drives. Features: Clear S.M.A.R.T. attribute decoding S.M.A.R.T. attribute classification : failures, health, performance, temperatures,.. Maintenance recommendations : Fans upgrade, Spare purchase, backups... depending on failures User-friendly interface Internationalization support. OS: Windows Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php Homepage: https://www.kcsoftwares.com/?hdde Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php?project_id=16 Download Installer : https://www.kcsoftwares.com/files/hdde_lite.exe Download Portable : https://www.kcsoftwares.com/files/hdde.zip
  9. Kyle_Katarn

    HDDExpert 1.6.3

    HDDExpert + Portable Multilingual HDDExpert gives you a crystal-clear vision of your Hard Drive (HDD or SSD) health and performance and translates S.M.A.R.T. attributes into readable indication. It then recommends maintenance (fans upgrade, spare purchase, backups and more) depending on the amount of failures detected on your hard drives. Features: Clear S.M.A.R.T. attribute decoding S.M.A.R.T. attribute classification : failures, health, performance, temperatures,.. Maintenance recommendations : Fans upgrade, Spare purchase, backups... depending on failures User-friendly interface Internationalization support. OS: Windows Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php Homepage: https://www.kcsoftwares.com/?hdde Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php?project_id=16 Download Installer : https://www.kcsoftwares.com/files/hdde_lite.exe Download Portable : https://www.kcsoftwares.com/files/hdde.zip
  10. Kyle_Katarn

    HDDExpert 1.16.2

    HDDExpert + Portable Multilingual HDDExpert gives you a crystal-clear vision of your Hard Drive (HDD or SSD) health and performance and translates S.M.A.R.T. attributes into readable indication. It then recommends maintenance (fans upgrade, spare purchase, backups and more) depending on the amount of failures detected on your hard drives. Features: Clear S.M.A.R.T. attribute decoding S.M.A.R.T. attribute classification : failures, health, performance, temperatures,.. Maintenance recommendations : Fans upgrade, Spare purchase, backups... depending on failures User-friendly interface Internationalization support. OS: Windows Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php Homepage: https://www.kcsoftwares.com/?hdde Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php?project_id=16 Download Installer : https://www.kcsoftwares.com/files/hdde_lite.exe Download Portable : https://www.kcsoftwares.com/files/hdde.zip
  11. Kyle_Katarn

    HDDExpert 1.16.1

    HDDExpert + Portable Multilingual HDDExpert gives you a crystal-clear vision of your Hard Drive (HDD or SSD) health and performance and translates S.M.A.R.T. attributes into readable indication. It then recommends maintenance (fans upgrade, spare purchase, backups and more) depending on the amount of failures detected on your hard drives. Features: Clear S.M.A.R.T. attribute decoding S.M.A.R.T. attribute classification : failures, health, performance, temperatures,.. Maintenance recommendations : Fans upgrade, Spare purchase, backups... depending on failures User-friendly interface Internationalization support. OS: Windows Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php Homepage: https://www.kcsoftwares.com/?hdde Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php?project_id=16 Download Installer : https://www.kcsoftwares.com/files/hdde_lite.exe Download Portable : https://www.kcsoftwares.com/files/hdde.zip
  12. Kyle_Katarn

    HDDExpert 1.16

    HDDExpert + Portable Multilingual HDDExpert gives you a crystal-clear vision of your Hard Drive (HDD or SSD) health and performance and translates S.M.A.R.T. attributes into readable indication. It then recommends maintenance (fans upgrade, spare purchase, backups and more) depending on the amount of failures detected on your hard drives. Features: Clear S.M.A.R.T. attribute decoding S.M.A.R.T. attribute classification : failures, health, performance, temperatures,.. Maintenance recommendations : Fans upgrade, Spare purchase, backups... depending on failures User-friendly interface Internationalization support. OS: Windows Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php Homepage: https://www.kcsoftwares.com/?hdde Changelog: https://www.kcsoftwares.com/bugs/changelog_page.php?project_id=16 Download Installer : https://www.kcsoftwares.com/files/hdde_lite.exe Download Portable : https://www.kcsoftwares.com/files/hdde.zip HDDExpert - 1.16 (Released 2018-01-28) ====================================== https://www.kcsoftwares.com/?hdde
  13. Over the past few years, the rate of hard drive density improvements has dropped significantly. While Seagate and Western Digital have both pushed ahead with larger hard drives (often thanks to more platters and the use of helium), the actual rate of areal density increase has slowed these last few years. As Seagate and Western Digital push towards 20TB, glass substrates could be a critical component of that effort. Right now, only laptop drives use glass substrates, which have several advantages over aluminum. First, glass is more rigid than aluminum, which allows the platters to be thinner (and lighter). Glass substrates are smoother and flatter than aluminum, which allows them to be packed together more tightly, and they expand less than aluminum under heat, which makes it easier to cope with thermal expansion. The amount of energy required to spin a glass platter at a given spindle speed will also be at least slightly lower than if the same platter was made of aluminum, due to the latter’s higher weight. Mock-ups incorporating Hoya’s glass substrate. The right and left mock-ups use 10 0.5mm-thick glass substrates and nine 0.635mm-thick glass substrates, respectively. A Japanese company, Hoya, believes that current HDD manufacturers will adopt its glass disks for 3.5-inch drives (glass is already used for 2.5-inch laptop drives). Hoya has prototyped glass platters that are 0.5mm and 0.381mm thick, compared with the 0.635mm platters currently in use. While each drive platter must have a gap between itself and the next platter, cutting the platter size by 40 percent means you can pack more platters into the same drive capacity. Glass substrates are also useful for HAMR (Heat-Assisted Magnetic Recording), which uses a laser to heat the part of the disk being written to. Seagate wants to introduce HAMR-equipped HDDs by 2018 and hit 20TB of available storage by 2020. Banking on Capacity One reason I suspect Nikkei is right about glass substrates being more widely adopted in 3.5-inch drives is because the hard drive industry really only has one card to play against SSDs — sheer storage capacity. The explosion in cloud services and the advent of so many comprehensive backup solutions means enterprise demand for back-end storage is going to continue to grow. Companies may use SSDs and NAND to cache data; we’ve even seen some interesting proposals for using NAND as a replacement for DRAM in cache servers. But while companies like Samsung sometimes make headlines for creating enormous NAND drives that dwarf anything hard drives can offer, they don’t bring those products to market for good reason: Nobody could afford them at the price they’d have to charge. The last two blue dots show consumer capacity in 2011 and 2014. The red dot shows the density growth rate at 20TB in 2020, Seagate’s stated goal for its own HAMR introduction. As the cost gap between hard drives and SSDs has fallen, we’ve seen SSDs muscling into what was traditionally the turf of higher capacity hard drives. The consumer market is clearly moving to NAND flash in the long run, with enthusiasts still buying some hard drives for local backups and archival purposes. Long-term, however, HDDs are going to be seen as cold (or at least cool) storage options. That means driving up capacities is the most important way to expand their appeal, and the businesses that adopt them won’t be put off, even if glass platters require a higher cost. SSDs aren’t going to be cost-effective if you need 100 to 500TB of storage in the near-term. With the total amount of data created worldwide continuing to grow, there’s no sign of slowing the world demand for data any time soon. View: Original Article
  14. The SEM Model 0101 has been "evaluated by the NSA/CSS and meets NSA and DoD compliance guidelines for the physical damage of media" with a durability rating of 204 drives/hour. This hard drive crusher destroys all hard drives regardless of size, format or type up to 1.85" high including desktop, laptop and server drives. It is ideal to meet the destroy mandate as part of the DoD's Degauss and Destroy specification. At the touch of a button, the SEM Model 0101 Hard Drive Crusher delivers 12,000 pounds (or 490K PSI) of force to a conical punch causing catastrophic trauma to the hard drive chassis while destroying the internal platter. The unit is quiet, smooth and virtually vibration free. Destruction takes only 8 seconds (Note: System can destroy up to 4 standard laptop drives or 6 ultra-thin laptop drives in one 8 second cycle). A safety interlock prevents operation of the hard drive crusher while door is open and an emergency e-stop immediately halts operation when pressed. The SEM Model 0101 Hard Drive Crusher is the only unit with a chamber large enough to fit hard drives mounted with rails or handles from hot-swap trays. Webpage
  15. batcaveman

    QILING Disk Master Professional v4.3

    QILING Disk Master Professional is an all-in-one data protection program for your computer: QILING Disk Master Professional offers a variety of features — including drive/partition/system backup & restore, drive/partition/system copy/move/resize, hard drive health monitoring, virtual disk, secure disk, and RAM disk — that help you with different aspects of data backup, protection, and security. The biggest nightmare for a computer user is data loss and system crash, once happened, reliable and up-to-date backups are extremely necessary and important. QILING Disk Master covers all the needs to recover your lost data and restore crashed systems in minutes. It’s advanced and reliable data backup & system disaster recovery software for home office and business desktops and laptops. It enables users to perform self-service backup operation with comprehensive full/differential/incremental backup. Key Features System backup and protection (imaging) Full, incremental, and differential backup AES 256 bit encryption, compression, and password One-click system backup Daily, weekly or monthly backup scheduler Perfect Defrag Bare-metal system restore Backup Strategy(Quota management) Supports all sizes hard disks and SSDs (80GB to 4TB) Compression Deduplication Hot Clone Larger than 512-byte sector GPT & UEFI Boot Supported Giveaway: https://sharewareonsale.com/s/dayu-disk-master-giveaway-sale SOS Hub Download: https://downloads.sharewareonsale.com/files/hub/sharewareonsale.com/SharewareOnSale_Giveaway_QILING_Disk_Master_Professional_hub.exe Or download directly here (tested): http://www.idiskhome.com/download/vdisk/DiskMaster_Pro_Trial.exe SERIAL: Site: https://paste2.org Sharecode[?]: /k6Xe5As7 Ghetto GUI though,
  16. Kyle_Katarn

    HDDExpert 1.14.3

    HDDExpert + Portable Multilingual HDDExpert gives you a crystal-clear vision of your Hard Drive (HDD or SSD) health and performance and translates S.M.A.R.T. attributes into readable indication. It then recommends maintenance (fans upgrade, spare purchase, backups and more) depending on the amount of failures detected on your hard drives. Features: Clear S.M.A.R.T. attribute decoding S.M.A.R.T. attribute classification : failures, health, performance, temperatures,.. Maintenance recommendations : Fans upgrade, Spare purchase, backups... depending on failures User-friendly interface Internationalization support. OS: Windows Changelog: http://www.kcsoftwares.com/bugs/changelog_page.php Homepage: http://www.kcsoftwares.com/?hdde Changelog: http://www.kcsoftwares.com/bugs/changelog_page.php?project_id=16 Download Installer : http://www.kcsoftwares.com/files/hdde_lite.exe Download Portable : http://www.kcsoftwares.com/files/hdde.zip
  17. Paft

    HDD Cloning Software?

    My previous dock died.: _amazon.co.uk/Akasa-DuoDock-AK-DK02-UK-Docking-Notebook/dp/B004BE7MO8 So I picked up another with good reviews. I bought it for the dock mostly but the clone was a bonus.: _/www.amazon.co.uk/Inateck-External-Including-Comaptible-Tool-free/dp/B00D1NR9MA/ref=sr_1_2?ie=UTF8&qid=1402949855&sr=8-2&keywords=inateck The software clones much quicker than the hardware. The software seems to do the job fast and easy....but out of curiously what good software is out there to test compared to the provided "FNet Clone Drive"?
  18. mohsin2cool

    partitioning new External HDD

    Guys today i bought 2tb external wd elements hard drive. its having only one partition of 1.81 tb which is ntfs, please somebody guide me , how much partitions i should make. i primarily use it on windows platform but may use on mac but the problem is tht mac doesnt support ntfs, so please any suggestions what should i do.
  19. HDD Recovery Pro 4.1 + Portable HDD Recovery Pro - Recover lost data from your damaged hard drive yourself completely automatically! HDD Recovery Pro automates entire process of data recovery after your hard drive fails, or if you accidentally format it, or even if you simply delete a file or a folder. There are many legitimate services out there that will take your hard drive and guarantee you an overnight recovery of your files and data. These data recovery services are certainly fast and efficient, giving you hope and delivering your files and data recovered. But did you consider the drawbacks? If you have sensitive information on the corrupted hard drive, such information will fall in hands of a third party.It takes time to mail the hard disk, and it takes time to get your data mailed back to you.And finally, after you learn how much some of these services charge for successful data recovery, you may just want to reconsider the worth of losing your data instead of paying an arm and a leg for its recovery.But did you know you can do exactly what these services do to recover lost data from your damaged partitions and hard drives? Just using proper tools makes the entire process of data recovery completely automatic and technically possible for anyone. HDD Recovery Pro Can: Recover files and folders from damaged hard drivesRetrieve information from corrupted partitionsRecover data from formatted FAT, NTFS, ext2 and ext3 volumesRecover files from repartitioned and inaccessible drivesUndelete files in just a few clicksScan the entire hard drive looking for missing partitionsHDD Recovery Pro Feature List: NEW! Export Wizard. Recovered files can be saved to any hard drive (HDD or SSD), including network storage, burned on CD or DVD or uploaded over FTP. NEW! Pre-recovery Live Preview displays recoverable files before you buy. Live Preview supports: documents, images, archives, audio and video files, e-mail files, databases, help files, CriptoDisk format and Virtual Disks. NEW! Smart Search prioritizes the recovery of documents, archives and pictures over everything else, ensuring the recovery of valuable information. Smart Search supports more than 250 file formats. Lost and damages partition scan Deleted partition recovery, unformat tool Two Partition Recovery Wizards Restores files from damaged or corrupted hard drives Restores files from inaccessible hard drives Recovers damaged and corrupted partition tables Restores NTFS and FAT disks after accidental formatting Recovers accidentally deleted files Recovers files and pictures from digital cameras and memory cards Recovers files erased from Windows Recycle Bin Supports Microsoft® Windows® NT, 2000, XP, 2003 Server, Vista, Windows 7, Windows 8 and 8.1 Supports NTFS, NTFS 4, NTFS 5, FAT12, FAT16, FAT32, and VFAT file systems, Linux based File Systems EXT2 and EXT3 Provides safe and secure recovery by creating a full image of a faulty hard drive, and working with the image only, which reduces risk of causing additional corruption to the damaged hard drive. Creates virtual partitions that can be used as disks to recover data from Supports hard drives (HDD) and any Solid State Drive (SSD), digital cameras, floppy disks, Zip disks, Jaz disks, Smart Media Cards, Sony Memory Sticks, Compact Flash cards, MicroDrives, Secure Digital Cards, xD Picture Cards, Flash cards, PC Cards, Multimedia Cards, and any USB disks Website: http://the-undelete.com OS: Windows® NT, 2000, XP, 2003 Server, Vista, Windows 7, Windows 8 and 8.1 Language: Eng Medicine: Key Size: 7,38 / 7,02 Mb
  20. selesn777

    Ariolic ActiveSmart 2.96

    Ariolic ActiveSmart 2.96 ActiveSMART is a realtime hard drive health status monitor. It utilizes the S.M.A.R.T. technology to track the status of the computer hard disks. Its main goal is timely detecting and anticipating any problems, occurring with the hard drive, before the danger of the data loss appears. Moreover - it's a fast disk space analyzer to track the disk space usage. Get the graphical overview of all your disk files and folders with few clicks! Key Benefits of ActiveSMART Powerful hard drive health monitorDisk space usage - find out what's using up all your hard drive spaceFile shredder tool - wipe files permanently using special shredding algorithmsHard drive Temperature monitorFull support of hard drive S.M.A.R.T. technology, USB and SSD drivesFeel safe with ActiveSMART protecting your hard driveNotebook power saving mode support. Use the same version of ActiveSMART on desktop PC and laptops!Detailed hard drive status reportsHealth, Performance, Free Space information for all your drivesScan for bad and unstable sectors on our hard driveAlerts if something wrong is about to happen with your hard drive!User friendly interfaceSystem Requirements Minimum 10 MB available hard disk spaceAll recent Windows versions - including Windows 8Website: http://www.ariolic.com/ Year: 2014 Language: ML Medicine: Crack Size: 7,08 Mb.
  21. selesn777

    Recovery Mechanic 5.1

    Recovery Mechanic 5.1 Recovery Mechanic is one of the best data recovery solutions available for the money. Being the most affordable data recovery tool of the company's product range, Recovery Mechanic offers fully automated recovery of deleted files and folders from all types of disks and flash memory cards. The signature easy recovery wizard ensures step-by-step operation that is easy to understand, while sophisticated data recovery algorithms scan the entire surface of the hard disk in background to ensure highest possible recovery rate. Features What Can Be Recovered Website: http://recoverymechanic.com/ Language: English Medicine: Serial Size: 7,35 Mb.
  22. My last two blog posts were about expected drive lifetimes and drive reliability. These posts were an outgrowth of the careful work that we’ve done at Backblaze to find the most cost-effective disk drives. Running a truly unlimited online backup service for only $5 per month means our cloud storage needs to be very efficient and we need to quickly figure out which drives work. Because Backblaze has a history of openness, many readers expected more details in my previous posts. They asked what drive models work best and which last the longest. Given our experience with over 25,000 drives, they asked which ones are good enough that we would buy them again. In this post, I’ll answer those questions. Drive Population At the end of 2013, we had 27,134 consumer-grade drives spinning in Backblaze Storage Pods. The breakdown by brand looks like this: Hard Drives by Manufacturer Used by Backblaze As you can see, they are mostly Seagate and Hitachi drives, with a good number of Western Digital thrown in. We don’t have enough Toshiba or Samsung drives for good statistical results. Why do we have the drives we have? Basically, we buy the least expensive drives that will work. When a new drive comes on the market that looks like it would work, and the price is good, we test a pod full and see how they perform. The new drives go through initial setup tests, a stress test, and then a couple weeks in production. (A couple of weeks is enough to fill the pod with data.) If things still look good, that drive goes on the buy list. When the price is right, we buy it. We are willing to spend a little bit more on drives that are reliable, because it costs money to replace a drive. We are not willing to spend a lot more, though. Excluded Drives Some drives just don’t work in the Backblaze environment. We have not included them in this study. It wouldn’t be fair to call a drive “bad” if it’s just not suited for the environment it’s put into. We have some of these drives running in storage pods, but are in the process of replacing them because they aren’t reliable enough. When one drive goes bad, it takes a lot of work to get the RAID back on-line if the whole RAID is made up of unreliable drives. It’s just not worth the trouble. The drives that just don’t work in our environment are Western Digital Green 3TB drives and Seagate LP (low power) 2TB drives. Both of these drives start accumulating errors as soon as they are put into production. We think this is related to vibration. The drives do somewhat better in the new low-vibration Backblaze Storage Pod, but still not well enough. These drives are designed to be energy-efficient, and spin down aggressively when not in use. In the Backblaze environment, they spin down frequently, and then spin right back up. We think that this causes a lot of wear on the drive. Failure Rates We measure drive reliability by looking at the annual failure rate, which is the average number of failures you can expect running one drive for a year. A failure is when we have to replace a drive in a pod. This chart has some more details that don’t show up in the pretty chart, including the number of drives of each model that we have, and how old the drives are: Number of Hard Drives by Model at Backblaze The following sections focus on different aspects of these results. 1.5TB Seagate Drives The Backblaze team has been happy with Seagate Barracuda LP 1.5TB drives. We’ve been running them for a long time – their average age is pushing 4 years. Their overall failure rate isn’t great, but it’s not terrible either. The non-LP 7200 RPM drives have been consistently unreliable. Their failure rate is high, especially as they’re getting older. 1.5 TB Seagate Drives Used by Backblaze The Seagate Barracuda Green 1.5TB drive, though, has not been doing well. We got them from Seagate as warranty replacements for the older drives, and these new drives are dropping like flies. Their average age shows 0.8 years, but since these are warranty replacements, we believe that they are refurbished drives that were returned by other customers and erased, so they already had some usage when we got them. Bigger Seagate Drives The bigger Seagate drives have continued the tradition of the 1.5Tb drives: they’re solid workhorses, but there is a constant attrition as they wear out. The good pricing on Seagate drives along with the consistent, but not great, performance is why we have a lot of them. Hitachi Drives If the price were right, we would be buying nothing but Hitachi drives. They have been rock solid, and have had a remarkably low failure rate. Back at the beginning of Backblaze, we bought Western Digital 1.0TB drives, and that was a really good choice. Even after over 4 years of use, the ones we still have are going strong. We wish we had more of the Western Digital Red 3TB drives (WD30EFRX). They’ve also been really good, but they came after we already had a bunch of the Seagate 3TB drives, and when they came out their price was higher. What About Drives That Don’t Fail Completely? Another issue when running a big data center is how much personal attention each drive needs. When a drive has a problem, but doesn’t fail completely, it still creates work. Sometimes automated recovery can fix this, but sometimes a RAID array needs that personal touch to get it running again. Each storage pod runs a number of RAID arrays. Each array stores data reliably by spreading data across many drives. If one drive fails, the data can still be obtained from the others. Sometimes, a drive may “pop out” of a RAID array but still seem good, so after checking that its data is intact and it’s working, it gets put back in the RAID to continue operation. Other times a drive may stop responding completely and look like it’s gone, but it can be reset and continue running. Measuring the time spent in a “trouble” state like this is a measure of how much work a drive creates. Once again, Hitachi wins. Hitachi drives get “four nines” of untroubled operation time, while the other brands just get “two nines”. Untroubled Operation of Drives by Manufacturer used at Backblaze Drive Lifetime by Brand The chart below shows the cumulative survival rate for each brand. Month by month, how many of the drives are still alive? Hitachi does really well. There is an initial die-off of Western Digital drives, and then they are nice and stable. The Seagate drives start strong, but die off at a consistently higher rate, with a burst of deaths near the 20-month mark. Having said that, you’ll notice that even after 3 years, by far most of the drives are still operating. What Drives Is Backblaze Buying Now? We are focusing on 4TB drives for new pods. For these, our current favorite is the Seagate Desktop HDD.15 (ST4000DM000). We’ll have to keep an eye on them, though. Historically, Seagate drives have performed well at first, and then had higher failure rates later. Our other favorite is the Western Digital 3TB Red (WD30EFRX). We still have to buy smaller drives as replacements for older pods where drives fail. The drives we absolutely won’t buy are Western Digital 3TB Green drives and Seagate 2TB LP drives. A year and a half ago, Western Digital acquired the Hitachi disk drive business. Will Hitachi drives continue their excellent performance? Will Western Digital bring some of the Hitachi reliability into their consumer-grade drives? At Backblaze, we will continue to monitor and share the performance of a wide variety of disk drive models. What has your experience been? Please see the source for the full tables: http://blog.backblaze.com/2014/01/21/what-hard-drive-should-i-buy
  23. Jon L. Jacobi Jan 14, 2014 3:00 AM There are lots of ways to obliterate sensitive data from of your drive: blast furnaces, degaussers (magnet field generators), sledgehammers, and secure-deletion software among them. These tools vary in effectivenessespecially as applied variously to hard drives, solid-state drives, and USB flash drivesand in the subsequent usability of the drive. For the sake of argument (and a more interesting article), lets assume youd like to preserve your drives functionality. This rules out violence and degaussing, which, though wonderfully effective and perhaps therapeutic, will render a drive useless. Excluding those options leaves you with a choice between software and software-combined-with-firmware methods. Free secure-erase utilities You can easily erase an entire hard drive or SSD by using any of the free utilities listed below. All invoke the secure-erase (sometimes called quick-erase) functions integrated into nearly every ATA/SATA drive produced since 2001. By and large its a great feature, but using it on older drives has some potential pitfalls, such as buggy implementations, an out-of-date BIOS, or a drive controller that wont pass along the commands. You might also need to fiddle with the ATA/IDE/AHCI settings in your BIOS, and in most cases the drive should be mounted internally. Parted Magics DriveErase utility makes it a breeze to perform secure erases on your SSDs and HDDs. Ive never had a problem secure-erasing a hard drive, but about a year ago I did brick a Crucial M500 SSD. (A firmware problem was probably responsible for this disaster; Crucial accepted the drive for return but never told me why the hardware had gone belly-up.) An enhanced secure-erase operation overwrites a drives housekeeping data as well as its normal user-data areas, but at least one vendor (Kingston) told me that its normal secure-erase routine does both, too. In the bad old days, running a secure-erase on some SSDs sometimes left data behind. Depending on the controller you use (notably SandForce), a secure-erase can be cryptographic or physical. If a drive is encryptedand some are by naturea secure-erase operation simply deletes the encryption keys, and then regenerates them. Without the original keys, the data is useless. A physical erase involves zapping the drives magnetic particles or NAND cells back to their default state. To entirely avoid the danger of erasing the wrong drive in a multiple-drive system, you should power down, disconnect all of the drives except the one to be erased, and then boot from a CD or a flash drive with the utility that does the job. I learned that lesson the hard way. Parted Magic is free to use, but it now costs $5 to download. Linux-based boot disc Parted Magic (formerly donationware, now free to use but $5 to download) has many features, including a file manager and a partition manager. Its handy for recovering data and operating systems, but it also has a link on its desktop to DiskEraser, a simple utility that will erase your drive or invoke the drives own secure-erase routine. Parted Magic is basic and lightweight, and it will work with any drive. In fact, several SSD vendors recommend itthough the recommendations date from when it was completely free. Little, command-line-lovely HDDerase.exe isnt for inexperienced usersits a bit too geeky and can require multiple steps. Another drawback of the app is that it cant bypass the frozen security stat that most modern drives employ to avoid malware erasures. But otherwise it invokes the secure-erase function just fine. It also comes in .ISO form, so you can burn it to disc or create a bootable flash drive from it. Note that the NSA sponsored HDDerase. Yes, the folks there like to secure as well as monitor data. Not to mention dip their hands into open-source security projects. Interpret that historical nugget as you will. Hitachi's Drive Fitness Test analyzes drive health and wipes unwanted data. Other vendors offer similar utilities. Most drive vendors provide a utility that can run S.M.A.R.T. diagnostics to check drive health, update firmware, and invoke a drives secure-erase routine. Odds are youll have to sign an agreement accepting that the tool may brick your drivebut hey, thats life in the big city. A short list of such utilities includes Data Lifeguard (from Western Digital), Drive Fitness Test (from Hitachi), OCZ Toolbox, Samsung Magician (SSD only), and SeaTools (from Seagate). For hard drives only: Block-overwrite software Block-overwrite software is more versatile than the secure-erase command because it lets you wipe data from a hard drive while leaving the operating system, program files, and other keepers intact. Unfortunately, this type of software is ineffective on SSDs or USB flash drives, and in many cases it cant wipe a hard drives HPA (Host Protected Area), which contains data about the low-level organization of the drive. That said, with high-powered algorithms and multiple passes, it will effectively render your data unreadable even when subjected to all but the most expensive forensic techniques. O&O Software's versatile SafeErase offers full and partial wipes, and it can find and delete common types of sensitive data. O&O SafeErase 7 ($30, free demo) is a jack-of-all-trades that can remove individual files and folders or erase entire partitions and disks. Like the previously reviewed PrivaZer, SafeErase scans your hard drive for possibly sensitive files, presents them to you for inspection (or you can elect to accept its assessment across the board), deletes them, and then wipes them. SafeErase did a good job of finding sensitive stuff while ignoring what I wanted to save, and it includes options on general types of files to look for. SafeErase can also wipe free space (erasing the tracks left by deleted files) and your entire computer (all drives, everything), though those options arent available in the demo version. But the $30 that O&O charges for those extra features may money well spent if you want to maintain a clean system. SafeErase is a nicely realized, versatile data-destruction program. MediaTools Wipe 1.2 ($99, free demo) is all about erasing a lot of hard disks with minimal fuss. Its designed for professionals who erase in bulk and will dedicate a (rather powerful) PC to the task. MediaTools Wipe 1.2 can handle up to 18 drives at once, all presented in a convenient console view. The program has its own wipe routines, but it cant invoke a drives own secure-erase routines. MediaTools Wipe lets you lock drives to prevent accidental erasures. MediaTools Wipe 1.2 has so many handy features (user-definable erase patterns, smart handling of bad blocks, and so on) that I cant mention them all here. Check out our review of the functionally equivalent version 1.1. Youll likely dedicate a PC to it, so the $49, single-seat technicians license will suffice for most situations. However, $500 single-site and $1000 multi-site licenses are available for the corporate crowd. The handy and free Eraser 6 utility deletes files, folders, and free space on a schedule. Its just the thing for users who want to maintain a minimal data presence on their PC. You must know what you need to erase, since Eraser 6 doesnt have automatic selection of sensitive data, as O&O SafeErase and PrivaZer do. But Eraser 6 does have a large array of government-level algorithms to choose from, and its super-simple to use. [email protected] KillDisk is available in a free Windows edition and a DOS (boot disc) edition. Either will overwrite free space or entire partitions with a single pass of zeroes. To obtain its more advanced features and algorithms, youll need the [email protected] KillDisk Pro, which costs $40 for Windows, and $50 with the pro-DOS version thrown in. KillDisk wont invoke a disks secure-erase routine, and it doesnt have any smarts: It doesnt detect and delete sensitive data such as browsing records, downloads, and program caches. [email protected] KillDisk presents a concise, information-laden view of the drives on your system. A DOS boot disc version is available as well. [email protected] KillDisk is very effective as far as it goes, but most users will be just as well off with the free Eraser 6or better off by paying less for a program that automatically selects and deletes sensitive data and wipes free space. Then again, if you run Piriforms CCleaner before KillDisk (or Eraser 6), youll have a very effective data-killing combo. Wiping SSDs and USB Flash drives Block-overwrite software isnt reliable with NAND-based media because of the voodoo that flash-storage controllers use when writing and deleting data. Im sorry I cant be more specific about what actually happens, but controller vendors are loath to talk about such things, lest they give away a competitive advantage. USB flash drives are convenient for everybody, including anyone trying to get data off one that isnt securely erased. That said, SSDs that support the TRIM command and run under a TRIM-supported environment (Windows 7 and 8, OS X 10.6.8 or better, Linux 2.6.28 or better, plus a modern BIOS and drive controller that pass on the command) should wipe deleted data continually. Note that I said should. Ideally (for security purposes) an SSDs garbage collection routines, invoked by the TRIM command, would quickly erase the NAND blocks formerly occupied by your file. The whole reason for TRIM is that NAND must be erased before being rewritten. If a drive runs out of clean, unwritten blocks and must erase previously used blocks immediately prior to writing to them, performance suffers drastically. Unfortunately, from what I could glean from data recovery experts such as strategic technical alliance manager Chris Bross of DriveSavers and SMB partner manager Leon Feldman of ACE Data Recovery, some disk vendors put off block erasures for long periods of time or until theyre forced to resort to them. Sad but true: You cant rely on housekeeping to remove data. Even sadder, there seem to be no utilities that will force the garbage collection. That seemingly simple solution has so far been ignored. USB flash drives dont support standard ATA secure-erase or TRIMso unless youre using a secure, encrypted type, youll need to contact the vendor for an erase utility. You could overwrite the entire drive or just free space with files. This will work to a point, butespecially on SSDssome blocks used in over-provisioning and marked as bad cant be copied over. They may retain data you want to erase. Data recovery companies can sift through raw data, block by block. In the end, the only sure way to remove all unwanted sensitive data from the free space on an SSD or USB flash drive while retaining the data you still want is to back it up (use imaging if an operating system is involved), secure-erase the drive, and then restore the desired data. Sigh. And when thats not enough... All the methods and programs Ive described will work great for the average user. That said, forensic data recovery technology has come a long way. Normal affordable methods wont counteract anything Ive discussed. But if you have a formula for cold fusion, or a trade secret that will topple the global economy overnight...go for the degausser, the hammer, and then the blast furnace. You cant be too sure. http://www.pcworld.com/article/2084961/kill-your-data-dead-with-these-tips-and-tools.html
  24. I have a seagate Desktop edition 7200 RPM 1TB external HDD. I want an app which will be installed in it to restrict access via password protection one time per session. Is there any?
  25. selesn777

    HDDExpert 1.7.0.9 + Portable

    HDDExpert 1.7.0.9 + Portable HDDExpert give you a cristal-clear vision on your Hard Drive health and performance and translate S.M.A.R.T. attribute into readable indication. Recommends maintenance (fans upgrade, spare purchase, backups,...) depending on amount of failures detected on your hard drives. Features Clear S.M.A.R.T. attribute decodingS.M.A.R.T. attribute classification : failures, health, performance, temperatures,..Maintenance recommendations : Fans upgrade, Spare purchase, backups... depending on failuresUser-friendly interfaceInternationalization support.Change Info: - 0002243: [New Feature] °C/°F switching (Kyle_Katarn) - resolved.- 0002270: [New Feature] Minimize to tray (Kyle_Katarn) - resolved.- 0002312: [New Feature] 0xFE - Count of "Free Fall Events" detected (Kyle_Katarn) - resolved.- 0002365: [New Feature] Driver update button (Kyle_Katarn) - resolved.Website: http://www.kcsoftwares.com/ OS: Windows XP / Vista / 7 / 8 Language: ML Medicine: Free Size: 1,25 / 3,48 MB
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