[sheepdog-users] Testing snapshot-object-reclaim

[Liu Yuan]

On Thu, Mar 06, 2014 at 04:31:19PM +0900, Hitoshi Mitake wrote:
> At Thu, 6 Mar 2014 15:12:37 +0800,
> Liu Yuan wrote:
> > 
> > On Thu, Mar 06, 2014 at 01:34:34PM +0900, Hitoshi Mitake wrote:
> > > At Thu, 6 Mar 2014 11:19:47 +0800,
> > > Liu Yuan wrote:
> > > > 
> > > > On Wed, Mar 05, 2014 at 03:31:21PM +0100, Valerio Pachera wrote:
> > > > > 2014-03-05 12:52 GMT+01:00 Valerio Pachera <sirio81 at gmail.com>:
> > > > > > I'll repeat the test and copy / paste the error.
> > > > > 
> > > > > 
> > > > > This time I was connected by ssh and dd got stuck.
> > > > > Guest vnc is showing the messages attached.
> > > > > 
> > > > > In sheep.log I got errors
> > > > > 
> > > > > Mar 05 12:26:53  ERROR [gway 6289] wait_forward_request(438) fail
> > > > > 7c2b270000025b, No object found
> > > > > Mar 05 12:26:53  ERROR [gway 6289] wait_forward_request(438) fail
> > > > > 7c2b270000025b, No object found
> > > > > Mar 05 12:26:53  ERROR [gway 6289] wait_forward_request(438) fail
> > > > > 7c2b270000025b, No object found
> > > > > Mar 05 12:26:53  ERROR [io 6243] sd_remove_object(451) failed to
> > > > > remove object 7c2b270000025b, No object found
> > > > > Mar 05 12:26:53  ERROR [io 6243] peer_decref_object(1116) error No object found
> > > > > Mar 05 12:26:59  ERROR [gway 6281] wait_forward_request(438) fail
> > > > > 7c2b2700000420, No object found
> > > > > Mar 05 12:26:59  ERROR [gway 6281] wait_forward_request(438) fail
> > > > > 7c2b2700000420, No object found
> > > > > Mar 05 12:26:59  ERROR [gway 6281] wait_forward_request(438) fail
> > > > > 7c2b2700000420, No object found
> > > > > Mar 05 12:26:59  ERROR [io 6136] sd_remove_object(451) failed to
> > > > > remove object 7c2b2700000420, No object found
> > > > > Mar 05 12:26:59  ERROR [io 6136] peer_decref_object(1116) error No object found
> > > > > Mar 05 12:27:11  ERROR [gway 6281] wait_forward_request(438) fail
> > > > > 7c2b270000082a, No object found
> > > > > Mar 05 12:27:11  ERROR [gway 6281] wait_forward_request(438) fail
> > > > > 7c2b270000082a, No object found
> > > > > Mar 05 12:27:11  ERROR [gway 6281] wait_forward_request(438) fail
> > > > > 7c2b270000082a, No object found
> > > > > Mar 05 12:27:11  ERROR [io 6134] sd_remove_object(451) failed to
> > > > > remove object 7c2b270000082a, No object found
> > > > > Mar 05 12:27:11  ERROR [io 6134] peer_decref_object(1116) error No object found
> > > > > Mar 05 12:43:01  ERROR [gway 6352] wait_forward_request(438) fail
> > > > > 87c2b2800000008, No object found
> > > > > Mar 05 12:43:01  ERROR [gway 6352] wait_forward_request(438) fail
> > > > > 87c2b2800000008, No object found
> > > > > Mar 05 12:43:01  ERROR [gway 6349] sd_dec_object_refcnt(492) failed to
> > > > > decrement reference 87c2b2800000008, No object found
> > > > > Mar 05 12:43:01  ERROR [gway 6349] update_obj_refcnt(603) fail, 2
> > > > > Mar 05 12:43:37  ERROR [gway 6397] wait_forward_request(438) fail
> > > > > 87c2b2800000009, No object found
> > > > > Mar 05 12:43:37  ERROR [gway 6398] wait_forward_request(438) fail
> > > > > 87c2b2800000121, No object found
> > > > > Mar 05 12:43:37  ERROR [gway 6397] wait_forward_request(438) fail
> > > > > 87c2b2800000009, No object found
> > > > > Mar 05 12:43:37  ERROR [gway 6375] sd_dec_object_refcnt(492) failed to
> > > > > decrement reference 87c2b2800000009, No object found
> > > > > Mar 05 12:43:37  ERROR [gway 6375] update_obj_refcnt(603) fail, 2
> > > > > Mar 05 12:43:37  ERROR [gway 6398] wait_forward_request(438) fail
> > > > > 87c2b2800000121, No object found
> > > > > Mar 05 12:43:37  ERROR [gway 6391] sd_dec_object_refcnt(492) failed to
> > > > > decrement reference 87c2b2800000121, No object found
> > > > > Mar 05 12:43:37  ERROR [gway 6391] update_obj_refcnt(603) fail, 2
> > > > > Mar 05 12:43:37  ERROR [gway 6343] wait_forward_request(438) fail
> > > > > 87c2b2800000220, No object found
> > > > > Mar 05 12:43:37  ERROR [gway 6343] wait_forward_request(438) fail
> > > > > 87c2b2800000220, No object found
> > > > > Mar 05 12:43:37  ERROR [gway 6399] sd_dec_object_refcnt(492) failed to
> > > > > decrement reference 87c2b2800000220, No object found
> > > > 
> > > > 
> > > > > -- 
> > > > 
> > > > Hi Valerio,
> > > > 
> > > > Seems that you still have some problem with the laest reclaim branch?
> > > 
> > > The latest reclaim branch wouldn't be able to pass the Valerio's
> > > test. I'll work on it soon.
> > > 
> > > But the problem is a the GC algorithm specific thing, because the
> > > branch can pass all the tests. It doesn't cause degradation of
> > > existing sheepdog functionalities.
> > 
> > Since for now there are no major conflicting patches around and I think even
> > in a future window, no conficting patches against your patch set, since Robin
> > and I will mainly work on http storage, how about we merge your patch set after
> > you fixing Valerio's problem?
> > 
> > If there are conflicting patchest coming around, then we can consider merge
> > your patch set to move on easily.
> 
> 
> The recent patch of Robin (memory allocation of sd_inode) is
> conflicting with my patchset (the 10th one).
> 
> And Ruoyu is posting a patch for adding new test. It also conflicts
> with my patchset.
> 
> I want to minimize time required for rebasing and solving conflicts
> because I have other tasks like managing stable branches. If current
> patchset can be merged, it would be very helpful for smooth
> development, I think.
> 

Okay, after merge Robin's latest async readead patch set (which include a test
file), I'll go to merge your patch set after rebasing.

Thanks
Yuan