[sheepdog-users] cache crash test

[Liu Yuan]

On Tue, Jun 25, 2013 at 11:39:42AM +0200, Valerio Pachera wrote:
> 2013/6/25 Liu Yuan <namei.unix at gmail.com>:
> > Partily yes.
> 
> Ok, thank you.
> 
> 
> 
> I insert back node 2 then I run the second test:
> unplug of /mnt/sheep/dsk01 on node id 2.
> Note: I also run 'cluster reweight' without waiting the recovery to be done.
> 
> On node id 2 I get lots of
> 
> # grep -i failed /var/log/sheep.log
> Jun 25 11:23:04 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/00366058000002eb.3 to
> /mnt/sheep/dsk01/obj/00366058000002eb, No such file or directory
> Jun 25 11:23:04 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/00366058000003b7.3 to
> /mnt/sheep/dsk01/obj/00366058000003b7, No such file or directory
> Jun 25 11:23:04 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/003660580000000b.3 to
> /mnt/sheep/dsk01/obj/003660580000000b, No such file or directory
> Jun 25 11:23:04 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/00366058000003c0.3 to
> /mnt/sheep/dsk01/obj/00366058000003c0, No such file or directory
> Jun 25 11:23:05 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/00a34c67000006c8.3 to
> /mnt/sheep/dsk01/obj/00a34c67000006c8, No such file or directory
> Jun 25 11:23:05 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/004fd259000001ae.3 to
> /mnt/sheep/dsk01/obj/004fd259000001ae, No such file or directory
> Jun 25 11:23:05 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/00a34c6700000336.3 to
> /mnt/sheep/dsk01/obj/00a34c6700000336, No such file or directory
> Jun 25 11:23:05 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/004fd25900005a05.3 to
> /mnt/sheep/dsk01/obj/004fd25900005a05, No such file or directory
> Jun 25 11:23:05 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/003660580000039e.3 to
> /mnt/sheep/dsk01/obj/003660580000039e, No such file or directory
> Jun 25 11:23:05 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/00a34c6700000095.3 to
> /mnt/sheep/dsk01/obj/00a34c6700000095, No such file or directory
> Jun 25 11:23:05 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/00a34c6700000049.3 to
> /mnt/sheep/dsk01/obj/00a34c6700000049, No such file or directory
> Jun 25 11:23:05 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/004fd25900000230.3 to
> /mnt/sheep/dsk01/obj/004fd25900000230, No such file or directory
> Jun 25 11:23:05 [rw] default_link(385) failed to link from
> /mnt/sheep/dsk01/obj/.stale/004fd25900000161.3 to
> /mnt/sheep/dsk01/obj/004fd25900000161, No such file or directory
> 
> Is this right?
> 

Hmm, it is the normal output. I guess we need a patch to mute it.

> On node id 1 I get a single
> Jun 25 11:22:59 [rw] sheep_exec_req(548) failed No object found
> 
> (Note: guest is always running and writing 1M of data each 3 seconds.
> No error reported on guest side).
> 

I guess this is nornal too.

Thanks,
Yuan