Re: btrfs-tools missing "btrfs device delete devid=x path" ?

[Hugo Mills <hugo@carfax.org.uk>]

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On Sun, Mar 23, 2014 at 08:25:17AM -0700, Marc MERLIN wrote:
> I'm still doing some testing so that I can write some howto.
> 
> I got that far after a rebalance (mmmh, that took 2 days with little
> data, and unfortunately 5 deadlocks and reboots.
> 
> polgara:/mnt/btrfs_backupcopy# btrfs fi show
> Label: backupcopy  uuid: eed9b55c-1d5a-40bf-a032-1be6980648e1
>         Total devices 11 FS bytes used 114.35GiB
>         devid    1 size 465.76GiB used 32.14GiB path /dev/dm-0
>         devid    2 size 465.76GiB used 32.14GiB path /dev/mapper/crypt_sdd1
>         devid    3 size 465.75GiB used 0.00 path  <----  drive is freed up now.
>         devid    4 size 465.76GiB used 32.14GiB path /dev/dm-2
>         devid    5 size 465.76GiB used 32.14GiB path /dev/dm-3
>         devid    6 size 465.76GiB used 32.14GiB path /dev/dm-4
>         devid    7 size 465.76GiB used 32.14GiB path /dev/mapper/crypt_sdi1
>         devid    8 size 465.76GiB used 32.14GiB path /dev/dm-6
>         devid    9 size 465.76GiB used 32.14GiB path /dev/mapper/crypt_sdk1
>         devid    10 size 465.76GiB used 32.14GiB path /dev/mapper/crypt_sdl1
>         devid    11 size 465.76GiB used 32.14GiB path /dev/mapper/crypt_sde1
> Btrfs v3.12
> 
> What's the syntax for removing a drive that isn't there?

   btrfs dev del missing /path

   Removes all the missing devices.

   Hugo.

-- 
=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
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