Trying out BTRFS today for the first time after a few false starts with
three drives configured raid1. I'm using Oracle Linux 6/64 with all
updates applied on unremarkable hardware. (cast off Dell Core2 desktop,
2 GB RAM, no known problems) Here's what it looks like:
[root@oracle ~]# btrfs filesystem show
Label: none uuid: bdaf3d87-f992-4a89-9e2b-41de0b5ff909
Total devices 3 FS bytes used 448.82MB
devid 2 size 1.36TB used 167.01GB path /dev/sdc
devid 3 size 1.82TB used 167.01GB path /dev/sdd
devid 1 size 931.51GB used 2.02GB path /dev/sdb
It hard locked and required a power-off system restart. Is this
atypical? Here's what did it, this should be OK?
# mount -U bdaf3d87-f992-4a89-9e2b-41de0b5ff909 /media/btrfs;
UUID should work, right? Why else have a UUID if not? Currently, I'm
using below in /etc/fstab, but this is not preferred since I'm expecting
hard disks to come and go in my eventual use case - I'm rather certain
that /dev/sdc will not be the correct drive to mount at some point:
/dev/sdc /backups/spfs btrfs noatime,subvol=spfs,compress 0 0
Thanks,
-Ben
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