Forum Discussion

philh's avatar
philh
Explorer II
May 11, 2021

DOA Hard Drive

First time I've ever had a hard drive DOA. Was upgrading drives in my home server, as the drives were a bit old and wanted to increase space. Five years ago, said I'll never run out of space, LOL. Four 8TB raid 5 should be good for awhile!

Anyway, unloaded first drive in the server, plugged in a Red Pro drive, and errors getting thrown all over the place. I grabbed the 2nd drive, plugged it in, no issues. Probably didn't help the drive when I pulled it out, there was no way to "unload" it, as it was still spinning when I removed it. To make life more fun, I bought it at a store over 2 hours away from my house... and even worse, they are now out of stock. WDC warranty time!
  • rlw999's avatar
    rlw999
    Explorer
    May 11, 2021
    philh wrote:
    First time I've ever had a hard drive DOA. Was upgrading drives in my home server, as the drives were a bit old and wanted to increase space. Five years ago, said I'll never run out of space, LOL. Four 8TB raid 5 should be good for awhile!


    I wouldn't run RAID-5 with such a large array, at least not unless you have good backups or don't care if you lose the data.

    Large RAID-5 arrays take a long time (a day, or multiple days) to resilver after a disk loss, and if you lose another disk during the rebuild, you'll lose the entire array. Rebuilding itself stresses the disks making a multi-disk failure not uncommon.

    I run a 5 disk RAID-6 array at home, which means I can lose up to 2 disks without data loss, but when I upgrade it, large disks are so cheap that I'll probably just go with mirroring (which means much faster rebuilds)
  • agesilaus's avatar
    agesilaus
    Explorer III
    May 11, 2021
    I dealt with WDC warranty once, no problems. Sent a replacement drive with a return mailer in a few days. Hitachi was a big pain tho.

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