[sheepdog] filesystem errors when using sheepdog

[Hitoshi Mitake]

On Fri, Jul 17, 2015 at 10:29 PM, Hitoshi Mitake
<mitake.hitoshi at gmail.com> wrote:
> On Fri, Jul 17, 2015 at 10:25 PM, Vasiliy Tolstov <v.tolstov at selfip.ru> wrote:
>> 2015-07-17 15:42 GMT+03:00 Hitoshi Mitake <mitake.hitoshi at gmail.com>:
>>> Yes, I unified two patches into one. And time is correct. I'm updating
>>> the branch with rebase.
>>
>>
>> Now qemu not segfaults, but when i do fstrim / inside vm, i get sheep
>> errors in log:
>
> Thanks for your testing. Can you reproduce below errors without
> fstrim? Can errors happen without fstrim and discard option?
> # I think discard is still unstable feature in sheepdog, so I don't
> suggest to use it :(

I'd like to confirm some points:
- can you reproduce the no obj found problem on current sheepdog and
qemu without enabling discard?
- is the problem solved with qemu with serialization patch without
enabling discard?

Thanks,
Hitoshi

>
> Thanks,
> Hitoshi
>
>> Jul 17 16:24:00  ERROR [gway 7207] wait_forward_request(440) fail
>> cfd2d60000001f, No object found
>> Jul 17 16:24:00  ERROR [io 7192] sd_remove_object(556) failed to
>> remove object cfd2d60000001f, No object found
>> Jul 17 16:24:00  ERROR [io 7192] local_discard_obj(969) failed to
>> remove cfd2d60000001f
>> Jul 17 16:24:00  ERROR [gway 7200] wait_forward_request(440) fail
>> cfd2d60000001c, No object found
>> Jul 17 16:24:00  ERROR [io 7193] sd_remove_object(556) failed to
>> remove object cfd2d60000001c, No object found
>> Jul 17 16:24:00  ERROR [io 7193] update_obj_refcnt(600) fail, 2
>> Jul 17 16:24:00  ERROR [gway 7200] wait_forward_request(440) fail
>> cfd2d600000018, No object found
>> Jul 17 16:24:00  ERROR [io 7176] sd_remove_object(556) failed to
>> remove object cfd2d600000018, No object found
>> Jul 17 16:24:00  ERROR [io 7176] local_discard_obj(969) failed to
>> remove cfd2d600000018
>> Jul 17 16:24:00  ERROR [gway 7206] wait_forward_request(440) fail
>> cfd2d60000001e, No object found
>> Jul 17 16:24:00  ERROR [io 7195] sd_remove_object(556) failed to
>> remove object cfd2d60000001e, No object found
>> Jul 17 16:24:00  ERROR [io 7195] update_obj_refcnt(600) fail, 2
>>
>>
>> --
>> Vasiliy Tolstov,
>> e-mail: v.tolstov at selfip.ru