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Date: Wed, 01 Apr 2015 21:15:19 +0800
From: Anand Jain <anand.jain@oracle.com>
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To: Martin <m_btrfs@ml1.co.uk>, linux-btrfs@vger.kernel.org
Subject: Re: ERROR: error removing the device '/dev/sdXN' - Inappropriate
 ioctl for device
References: <mfcdep$d97$1@ger.gmane.org> <20150331173756.GF6821@twin.jikos.cz> <mfeo14$sib$1@ger.gmane.org> <551B98FF.8070000@oracle.com> <mfgiot$3ck$1@ger.gmane.org>
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  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