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Is RAID1 over USB Reliable?
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this post was submitted on 25 May 2024
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USB-storage isn't reliable.
Period.
ANY fscking thing that bumps any connection, can break the dam link.
Then your kernel can re-label the device when it re-connects,
and you've got to reassemble your RAID.
just my experience.
use ANY other method you can, other than USB.
stick a SATA adaptor on there somewhere, if you can.
Get a different motherboard.
ANYthing, but not USB.
Always use /dev/disk/* (I use by-id) for RAID, as those links will stay constant even if a disk is renamed (for example, from sdb to sdd).