Re: problem with long running btrfs mount operation

["Holger Hoffstätte" <holger.hoffstaette@googlemail.com>]

On 09/22/15 16:43, S. Fricke wrote:
>> On Tue, Sep 22, 2015 at 9:53 AM, Holger Hoffstätte
>> <holger.hoffstaette@googlemail.com> wrote:
>>> On 09/22/15 15:38, S. Fricke wrote:
>>>> I have a problem with one of my btrfs hdds. If I mount it, it needs more than
>>>> 135 minutes for this operation. After the mounting it works normaly. This is
>>>> reproducible only with this hdd.
>>>>
>>>> Maybe someone has a clue what is going wrong here.
>>>
>>> On remount it tries to continue a previously started balance, which fails with
>>> an error (as can be seen at the end of your log). You should:
>>>
>>> a) immediately stop what you're doing on that fs and unmount it
>>> b) get btrfs-progs-4.2.1 (not 4.2) and see what it says
> 
> What should it say to me? I have to send a command? Should I try to mount the
> device after I have unmount it? BTW: Is btrfs-progs needed for mounting?

I should have been more clear and say "run btrfs check", which I originally
intended to write but then somehow didn't. Sorry. :-)

btrfs-progs is not needed for mounting, only for administrative commands.

-h