I had this layout for a small Proxmox server:
![Screenshot_2021-09-12_14-53-47.png]( "Screenshot_2021-09-12_14-53-47.png")
ZFS told me that /dev/sda was deferred because of errors, so I decided to replace it...
3 hardware disks involved: DEFERRED (no longer in the box), NEW (to replace DEFERRED), OLD (mirror copy).
I took DEFERRED offline from the zpool, shutdown the server, replaced DEFERRED with NEW. I was able to boot again, all good - I thought ... I then did
$sgdisk --replicate /dev/sdb /dev/sda (where sda is the new disk)
It threw a lot of...
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ZFS told me that /dev/sda was deferred because of errors, so I decided to replace it...
3 hardware disks involved: DEFERRED (no longer in the box), NEW (to replace DEFERRED), OLD (mirror copy).
I took DEFERRED offline from the zpool, shutdown the server, replaced DEFERRED with NEW. I was able to boot again, all good - I thought ... I then did
$sgdisk --replicate /dev/sdb /dev/sda (where sda is the new disk)
It threw a lot of...
Read more