Martin,
presumably kernel failed to read SB from disk /dev/sdf5,
bit strange it saw 'Inappropriate ioctl for device',
logically that don't explain.
Curios to know what does 'btrfs fi show -d' say ?
and output of blkid if you could. The situation here
is not same as destroying the SB though.
Thanks, Anand
On 02/04/2015 01:28, Martin wrote:
Anand,
Thanks for picking up.
The devid option sounds good.
Thanks,
Martin
On 01/04/15 14:15, Anand Jain wrote:
Looks like an option to use devid to delete a device would
have mitigated the issue. Also the error reported is no
where near the reality. Will fix them.
Thanks for reporting.
Anand
On 04/01/2015 06:54 PM, Martin wrote:
On 01/04/15 08:06, Anand Jain wrote:
btrfs device delete /dev/sdf5 /mnt/data2
ERROR: error removing the device '/dev/sdf5' - Inappropriate ioctl
for
device
very strange. 'btrfs fi show -m' shows btrfs fs(s) that are mounted.
Looks like my /dev/sdf isn't responding with anything useful at all... A
firmware crash?... (This is for a 256GB SSD.)
# btrfs fi show -m
[...]
Label: 'btrfs_data2' uuid: 3aaee716-b98b-4c86-ba5a-53456994f152
Total devices 3 FS bytes used 159.31GiB
devid 1 size 206.47GiB used 206.02GiB path /dev/sdb5
devid 2 size 206.47GiB used 206.47GiB path /dev/sdd5
devid 3 size 206.47GiB used 206.47GiB path /dev/sdf5
btrfs-progs v3.19.1
# smartctl -i /dev/sdf
smartctl 6.3 2014-07-26 r3976 [x86_64-linux-3.14.10-gentoo_s03a_11]
(local build)
Copyright (C) 2002-14, Bruce Allen, Christian Franke,
www.smartmontools.org
=== START OF INFORMATION SECTION ===
Vendor: /7:0:0:0
Product:
Compliance: SPC-5
User Capacity: 600,332,565,813,390,450 bytes [600 PB]
Logical block size: 774843950 bytes
scsiModePageOffset: response length too short, resp_len=47 offset=50
bd_len=46
scsiModePageOffset: response length too short, resp_len=47 offset=50
bd_len=46
Terminate command early due to bad response to IEC mode page
A mandatory SMART command failed: exiting. To continue, add one or more
'-T permissive' options.
And btrfs is still running ok so far... I'll be swapping that device at
the weekend. (First chance I have for a Sunday shutdown. :-( )
Still... For administering btrfs, it is a little disturbing not to be
able to remove/delete a device unless that device is both mounted and
working...
Or is that where the "missing" option comes in?
Comments welcomed,
Thanks,
Martin
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