1. D

    HDD Compatibility ?

    I’ve a 1019+ fitted with four 3TB WD30efrx in RAID 5, so I decided to expand my drive pool, I got a Seagate Ironwolf 4TB HDD, installed in spare bay, booted up, drive recognised, tried to add it, got error message, system failed to expand with Drive 5, tried secure erase, failed, am I being to...
  2. R

    DS215j HDD Replacement Recommendation

    Hi All, This has probably been answered many times before so I apologise for asking again. Background : I have a DS215j with a single 4TB Seagate Drive which I thought would be future proof when I purchased it 4-5 years ago. It's storage capabilities are far greater than I will ever (ever)...
  3. jeyare

    Info Backblaze HDD stats Q2/2020

    Look here: I will prepare some deep outcomes based on historical BB stats. Some interesting points: - they don’t have SAS drives in their storage farm - no WD drives (except HGST) - no top enterprise level drives in major share - just spindle mentioned
  4. jeyare

    WD How to understand WD HDD colors in their product lines

    this is C+P content from WD community, because I need to show you, how people can describe the “colors” definition of WD HDD: and back to reality: WD discontinued Green HDD product line in 2015 (5y ago) just to be sure. Maybe someone can find them at ebay. WD Green line was moved into Blue...
  5. toxicparrot

    Question HDD Always Active

    Hi I have set up idling times etc. for the fan and HDD activity but the HDD (Single Disk System) is constantly activating even when the PC's are not online. Can anyone suggest a reason please?
  6. T

    2nd USB HDD, 2nd HB task

    Hi, i have a DS916+ and am currently using HyperBackup to perform a nightly backup of the NAS to an external USB3 drive. Been working fine that way for years. (I also have live backup of the NAS to OneDrive). I am toying with the idea of adding a second USB3 drive and scheduling a fortnightly...
  7. jeyare

    Info please don't repair HDD by your self, when you haven't a clue ...

    I have seen this post: this is really big mistake, when some try to replace PCB between two different HDD from diff. models/revisions of same vendor. Recommendation for such problem is - hands off
  8. S

    Hyper Backup to USB HDD takes up most resources of NAS :(

    Since I started anew with a Full NAS backup task to a USB3 HDD I noticed this behaviour again. During the backup process (Local Folder & USB - single version), some of the NAS features simply stop working. In the resource center you "only" see that Disk Activity is very high and Volume Activity...
  9. RoCaRay

    Question HDD for Data Transport

    We will be "formatting / writing / shipping UPS ground across the U.S. / then reading" 6-8TB data. This cycle will repeat 4-6 times per year. I'm looking for advice on selection of a ~12TB (more or less) HDD that would be well suited for the sustained writing part of the cycle, as well as...
  10. Telos

    WD Here come the ambulance chasers !

    Join the class-action suit (keep our lawyers healthy and wealthy)... 🙈 🙊 🙉 Western Digital Lawsuit For Shipping Slower SMR Hard Drives Including WD Red NAS
  11. jeyare

    Seagate official Seagate CRM SRM

    here is a list from official Seagate site with a definition which disk uses what kind of recording technology I miss Part Numbers of the disk, but it's better than nothing, confirmed previously defined IronWolf/Pro as CMR HDD For surveillance purpose is great to know, that SkyHawk/AI is pure...
  12. R

    HDD Selection

    I have a 2 disc Raid 1 system. I know it writes to both HDDs but what disc does it read from? Always 1, always 2 or alternates ? (assuming system knows none of the hdds are bad). If I suspected some files were corrupted on one HDD, is there a way I can force it to either read from 1...
  13. jeyare

    Info Discovering Hard Disk Physical Geometry through Microbenchmarking

    this scientific source by Henry Wong will help you better understand why HDD geometry is important to your operation model
  14. Telos

    WD HDD naming obsfucation?

    It appears that WD has stepped away from EFRX/EFAX and now offers a new naming convention for retail NAS (red) drives. For example, WDBMMA0040HNC-NRSN ... where the highlighted digits represent the nominal capacity. Internal Drives for Retail | Western Digital | Western Digital Any word on...
  15. T

    Migrate from DS418 to DS918+ - possible with HDD swap?

    Hi all I've a DS418 with 4x4TB drives in an SHR volume. File system is ext4. The DS418 is running DSM 6.2. Main use is a file server for videos and photos. I'm looking to purchase a DS918+ to take advantage of more power and upgradeable RAM to hopefully speed up thumbnail creation etc. Looking...
  16. jeyare

    Seems to be - something happened in HDD vendor's product descriptions (CMR/SMR)

    from my 2 days research I have better overview, what HDD was created with CMR and what with SMR technology (not only for NASes). Seems to be two main HDD vendors - Seagate and Western Digital have prepared new NAS product white sheets with clear information about used technology for a magnetic...
  17. SynoMan

    Toshiba NAS drive vendor: Toshiba

    Read more... ....on official site Please open a new thread for comments or discussions and select the thread prefix Toshiba.
  18. SynoMan

    WD NAS drive vendor: Western Digital (WD)

    Hard Disk Drive (HDD) Solid State Drive (SSD) Read more... on official site Read more... on official site Please open a new thread for comments or discussions and select the thread prefix WD.
  19. SynoMan

    Seagate NAS drive vendor: Seagate

    Hard Disk Drive (HDD) Solid State Drive (SSD) Read more... on official site Read more... on official site Please open a new thread for comments or discussions and select the thread prefix Seagate.
  20. jeyare

    HDD basic for all. Simple guide when SMR HDD is useful and for whom

    You can start with reading of these blogs in our forum: Blog, 1st part Blog, 2nd part