HAMMER goes to nirvana

Tim Darby t+dfbsd at timdarby.net
Sun Sep 21 08:53:26 PDT 2014


I'm running v3.9.0.598.g6de2a-DEVELOPMENT and haven't seen any issues with
my HAMMER filesystems.

Tim

On Sun, Sep 21, 2014 at 8:23 AM, Andrey Oktyabrskiy <ano at bestmx.net> wrote:

> On 21.09.2014 18:46, Justin Sherrill wrote:
>
>> On Sun, Sep 21, 2014 at 8:20 AM, Andrey Oktyabrskiy <ano at bestmx.net>
>> wrote:
>>
>>> My home server cannot mount one of the hammer filesystems. I see 4 kernel
>>> messages and OS does not respond any more:
>>>
>>
>> The 'man 5 hammer' page mentions it's possible to turn off redo by
>> setting vfs.hammer.skip_redo to 1 (mount despite errors) or 2 (don't
>> even try redo).
>>
> Thank you, I'll try it when will make backup...
>
>  If that doesn't get anywhere, you can boot to single user mode (one of
>> the boot menu options) or boot from a LiveCD/USB image, and try
>> mounting the volume then.  If you can get it online, 'hammer show -f
>> /dev/thatdrivedevice | grep B' will  I think filter for errors.  See
>> man 8 hammer.  I have not tried this directly, so your mileage may
>> vary.
>>
> Yes, I can't get it online in single user mode too.
>
> I switched to 3.8.2, recompiled world and kernel and can mount that FS! So
> this bug is in the recent -master (compiled yesterday).
>
>
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