Re: How do I correctly mount a multidevice volume via fstab?

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2009/2/7 Thomas Kuther <gimpel@xxxxxxxxxxxxxxxx>:
> Hi all,
>
> I am using a single volume across two devices sdb7 and sda1, initially
> created on sdb7, and added sda1 using btrfs-vol later. The fstab entry:
>
> /dev/disk/by-id/scsi-SATA_ST31000333AS_9TE12DSC-part7
>  /mnt/btrfs btrfs defaults 1 2
>
> Now after boot I get:
> ----
> device fsid c4822885057410c-d2d65a83c2f15fb4 devid 1
>  transid 73034 /dev/sdb7
> btrfs: failed to read chunk tree on sdb7
> ----
>
> So I have to run btrfsctl -a first, then mounting works. Can this be done
> via fstab?

you can add 'device=/dev/xxx' to the mount options field.

for example:
/dev/disk/by-id/scsi-SATA_ST31000333AS_9TE12DSC-part7 /mnt/btrfs btrfs
device=/dev/disk/by-id/scsi-SATA_ST31000333AS_9TE12DSC-part1 1 2

Regards
Yan Zheng
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