On Mon, Feb 6, 2017 at 7:26 PM, Max Yehorov <myehorov@xxxxxxxxxx> wrote:
>> For hours? Does it succeed after X number of hours?
> Still mounted from Feb 6. There is an attempt to unmount every 10 minutes.
>
>> This doesn't say that /dev/rbd0 is in use by pid 5926. It says that
>> there is a process with the name "dio/rbd0", that's all.
>>
>> I'm guessing you ran plain "lsof" with no arguments here. Were there
>> other */rbd0 matches, like jbd2/rbd0?
>
> The entire output
>
> :~# lsof | grep rbd
>
> dio/rbd0 5926 root cwd DIR 8,5
> 4096 2 /
> dio/rbd0 5926 root rtd DIR 8,5
> 4096 2 /
> dio/rbd0 5926 root txt unknown
> /proc/5926/exe
> rbd 5996 root cwd DIR 8,5
> 4096 2 /
> rbd 5996 root rtd DIR 8,5
> 4096 2 /
> rbd 5996 root txt unknown
> /proc/5996/exe
Is this xfs or ext4?
What is the output of "rbd showmapped"?
Is there anything in dmesg? Can you provide a snippet?
Can you provide the output I requested in my first reply?
$ cat /sys/kernel/debug/ceph/<fsid>/osdc
$ echo w >/proc/sysrq-trigger
$ echo t >/proc/sysrq-trigger
Thanks,
Ilya
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