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  1. K

    mdadm + whitelabel drives losing superblock

    The existence of /etc/mdadm/mdadm.conf doesn't really change the behavior on boot. root@packrat:~/bin# cat /etc/mdadm/mdadm.conf ARRAY /dev/md/0 metadata=1.2 UUID=eb794803:46d23264:04f146ca:c9f6b1e6 name=packrat:0 MAILADDR root On each boot, I end up having to force start the array by...
  2. K

    mdadm + whitelabel drives losing superblock

    I've been using raw devices for over a decade as well, This array has gone through iterations using sets of 750G/1.5T/3T/10T drives, but it's finally on the 10T that I have 2 problematic drives. The array was recreated a while back with the 1.2 superblock, presumably using something like...
  3. K

    mdadm + whitelabel drives losing superblock

    I have quite the odd problem that I've never encountered before. Setup: OS Ubuntu 18.04 7x Shucked WD 100EMAZ Drives Raid: mdadm software raid 6 Mobo: Supermicro MBD-X11SAE-MO 3rd pin covered up to work with Mobo's sata ports Whenever I lose power, 2 of the 7 drives always lose the...