Re: ERROR: error removing the device '/dev/sdXN' - Inappropriate ioctl for device

[Martin <m_btrfs@ml1.co.uk>]

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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