> Thanks for providing the info. I was able to reproduce this, and it's
> actually behaving the way it's supposed to: it's just that resizing of
> cloned images is unsupported. What happens is that local cache images are
> automatically snapshotted off of the parent VHD, which is never affected
> by the resize operation, and this results in the virtual size mismatch
> between the cache image and the corresponding original that was resized.
> We should probably explicitly disallow vdi-resize in such situations -
> sorry for the confusion!
In a future release, it wouldn't be hard to properly handle this (just deleting
the cache file would be an interim step).
Ian
>
> Andrei
>
> -----Original Message-----
> From: Marco Sinhoreli [mailto:msinhore@xxxxxxxxx]
> Sent: Thursday, March 24, 2011 9:30 PM
> To: Andrei Lifchits
> Cc: Jonathan Davies; xen-api
> Subject: Re: [Xen-API] Resizing VDI with Local Caching enabled
>
> Hi Andrei:
>
> I've 4 hosts on pool. The did it in host master.
>
> Need more info? please let me know.
>
> Thanks
>
>
>
> On Thu, Mar 24, 2011 at 4:15 PM, Andrei Lifchits
> <Andrei.Lifchits@xxxxxxxxxx> wrote:
> > Hi Marco,
> >
> > Would you mind also providing detailed repro steps for this? How many
> hosts do you have in your pool? Which host did you do it on?
> >
> > Thanks,
> > Andrei
> >
> > -----Original Message-----
> > From: Marco Sinhoreli [mailto:msinhore@xxxxxxxxx]
> > Sent: Thursday, March 24, 2011 5:04 PM
> > To: Jonathan Davies
> > Cc: Andrei Lifchits; xen-api
> > Subject: Re: [Xen-API] Resizing VDI with Local Caching enabled
> >
> > Hi Jonathan:
> >
> > Bellow the /var/log/SMlog file content:
> >
> > <log>
> >
> > [6667] 2011-03-24 13:54:15.913428 ['/usr/sbin/tap-ctl', 'stats',
> > '-p', '28818', '-m', '0'] [6667] 2011-03-24 13:54:15.917045 = 0
> > [6904] 2011-03-24 13:55:11.249673 ['/usr/sbin/tap-ctl', 'list']
> > [6904] 2011-03-24 13:55:11.253768 = 0 [6904] 2011-03-24
> > 13:55:11.259516 ['/usr/sbin/tap-ctl', 'stats', '-p', '26360',
> > '-m', '2'] [6904] 2011-03-24 13:55:11.263313 = 0 [6904]
> > 2011-03-24 13:55:11.263955 ['/usr/sbin/tap-ctl', 'stats', '-p',
> > '28818', '-m', '0'] [6904] 2011-03-24 13:55:11.267715 = 0
> > [7257] 2011-03-24 13:56:06.571060 ['/usr/sbin/tap-ctl', 'list']
> > [7257] 2011-03-24 13:56:06.574950 = 0 [7257] 2011-03-24
> > 13:56:06.580724 ['/usr/sbin/tap-ctl', 'stats', '-p', '26360',
> > '-m', '2'] [7257] 2011-03-24 13:56:06.584472 = 0 [7257]
> > 2011-03-24 13:56:06.585132 ['/usr/sbin/tap-ctl', 'stats', '-p',
> > '28818', '-m', '0'] [7257] 2011-03-24 13:56:06.588925 = 0
> > [7538] 2011-03-24 13:57:01.902472 ['/usr/sbin/tap-ctl', 'list']
> > [7538] 2011-03-24 13:57:01.906591 = 0 [7538] 2011-03-24
> > 13:57:01.912364 ['/usr/sbin/tap-ctl', 'stats', '-p', '26360',
> > '-m', '2'] [7538] 2011-03-24 13:57:01.916432 = 0 [7538]
> > 2011-03-24 13:57:01.917099 ['/usr/sbin/tap-ctl', 'stats', '-p',
> > '28818', '-m', '0'] [7538] 2011-03-24 13:57:01.921214 = 0
> > [7931] 2011-03-24 13:57:57.242696 ['/usr/sbin/tap-ctl', 'list']
> > [7931] 2011-03-24 13:57:57.246488 = 0 [7931] 2011-03-24
> > 13:57:57.252225 ['/usr/sbin/tap-ctl', 'stats', '-p', '26360',
> > '-m', '2'] [7931] 2011-03-24 13:57:57.256070 = 0 [7931]
> > 2011-03-24 13:57:57.256718 ['/usr/sbin/tap-ctl', 'stats', '-p',
> > '28818', '-m', '0'] [7931] 2011-03-24 13:57:57.260511 = 0
> > [8329] 2011-03-24 13:58:52.568972 ['/usr/sbin/tap-ctl', 'list']
> > [8329] 2011-03-24 13:58:52.573106 = 0 [8329] 2011-03-24
> > 13:58:52.578847 ['/usr/sbin/tap-ctl', 'stats', '-p', '26360',
> > '-m', '2'] [8329] 2011-03-24 13:58:52.582838 = 0 [8329]
> > 2011-03-24 13:58:52.583487 ['/usr/sbin/tap-ctl', 'stats', '-p',
> > '28818', '-m', '0'] [8329] 2011-03-24 13:58:52.587380 = 0
> > [8523] 2011-03-24 13:59:47.905467 ['/usr/sbin/tap-ctl', 'list']
> > [8523] 2011-03-24 13:59:47.909332 = 0 [8523] 2011-03-24
> > 13:59:47.915058 ['/usr/sbin/tap-ctl', 'stats', '-p', '26360',
> > '-m', '2'] [8523] 2011-03-24 13:59:47.918973 = 0 [8523]
> > 2011-03-24 13:59:47.919625 ['/usr/sbin/tap-ctl', 'stats', '-p',
> > '28818', '-m', '0'] [8523] 2011-03-24 13:59:47.923533 = 0
> > [8766] 2011-03-24 14:00:16.874228 lock: acquired
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [8766] 2011-03-24 14:00:16.876175 ['/usr/sbin/td-util', 'query',
> > 'vhd', '-vpf',
> > '/var/run/sr-mount/b5631d2b-7931-c93c-39da-5a20978e823b/5d095db5-4135-
> > 47f7-8118-3d9449965799.vhd'] [8766] 2011-03-24 14:00:16.903674
> > SUCCESS [8766] 2011-03-24 14:00:16.904485 lock: released
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [8766] 2011-03-24 14:00:16.904600 vdi_deactivate {'sr_uuid':
> > 'b5631d2b-7931-c93c-39da-5a20978e823b', 'subtask_of':
> > 'OpaqueRef:c7c8309d-f5fb-a97c-6443-a8b1f4b3dabe', 'vdi_ref':
> > 'OpaqueRef:c602d033-57a7-bf8f-7d5d-ca76e2520402', 'vdi_on_boot':
> > 'persist', 'args': [], 'vdi_location':
> > '5d095db5-4135-47f7-8118-3d9449965799', 'host_ref':
> > 'OpaqueRef:0ed3e74b-aee7-e262-61cd-fe18a9a6d360', 'session_ref':
> > 'OpaqueRef:fcea3677-4e21-e61b-a171-4369039ffe22', 'device_config':
> > {'options': '', 'SRmaster': 'true', 'serverpath':
> > '/vol/vol6/orquestra', 'server': 'riofd06.globoi.com'}, 'command':
> > 'vdi_deactivate', 'vdi_allow_caching': 'true', 'sr_ref':
> > 'OpaqueRef:e5bbc8cc-f3d5-3cc5-3e11-2c68797c8c45', 'local_cache_sr':
> > '5dea02ae-a488-829b-92d2-3eb5c288b90f', 'vdi_uuid':
> > '5d095db5-4135-47f7-8118-3d9449965799'}
> > [8766] 2011-03-24 14:00:16.904773 blktap2.deactivate [8766]
> > 2011-03-24 14:00:16.904855 lock: acquired
> > /var/lock/sm/5d095db5-4135-47f7-8118-3d9449965799/vdi
> > [8766] 2011-03-24 14:00:16.913169 ['/usr/sbin/tap-ctl', 'list',
> > '-m', '2'] [8766] 2011-03-24 14:00:16.916386 = 0 [8766]
> > 2011-03-24 14:00:16.916680 ['/usr/sbin/tap-ctl', 'close', '-p',
> > '26360', '-m', '2'] [8766] 2011-03-24 14:00:16.992138 = 0
> > [8766] 2011-03-24 14:00:16.992272 ['/usr/sbin/tap-ctl',
> > 'detach', '-p', '26360', '-m', '2'] [8766] 2011-03-24 14:00:16.996854
> > = 0 [8766] 2011-03-24 14:00:16.997078 ['/usr/sbin/tap-ctl',
> > 'free', '-m', '2'] [8766] 2011-03-24 14:00:16.999694 = 0 [8766]
> > 2011-03-24 14:00:16.999870 tap.deactivate: Shut down
> > Tapdisk(vhd:/var/run/sr-mount/5dea02ae-a488-829b-92d2-3eb5c288b90f/5d0
> > 95db5-4135-47f7-8118-3d9449965799.vhdcache,
> > pid=26360, minor=2, state=R)
> > [8766] 2011-03-24 14:00:17.039695 ['/usr/sbin/vhd-util',
> > 'query', '--debug', '-p', '-n',
> > '/var/run/sr-mount/b5631d2b-7931-c93c-39da-5a20978e823b/5d095db5-4135-
> > 47f7-8118-3d9449965799.vhd'] [8766] 2011-03-24 14:00:17.052353
> > SUCCESS [8766] 2011-03-24 14:00:17.058312 Tearing down the cache
> > [8766] 2011-03-24 14:00:17.059648 ['/usr/sbin/td-util', 'query',
> > 'vhd', '-vpf',
> > '/var/run/sr-mount/b5631d2b-7931-c93c-39da-5a20978e823b/7dde9a41-45bf-
> > 4a4a-a17c-10b9ca93c41f.vhd'] [8766] 2011-03-24 14:00:17.102206
> > SUCCESS [8766] 2011-03-24 14:00:17.449727 lock: acquired
> > /var/lock/sm/7dde9a41-45bf-4a4a-a17c-10b9ca93c41f/cachesetup
> > [8766] 2011-03-24 14:00:17.449808 lock: released
> > /var/lock/sm/7dde9a41-45bf-4a4a-a17c-10b9ca93c41f/cachesetup
> > [8766] 2011-03-24 14:00:17.449863 lock: closed
> > /var/lock/sm/7dde9a41-45bf-4a4a-a17c-10b9ca93c41f/cachesetup
> > [8766] 2011-03-24 14:00:17.449926 lock: closed
> > /var/lock/sm/5dea02ae-a488-829b-92d2-3eb5c288b90f/sr
> > [8766] 2011-03-24 14:00:17.734256 ['/usr/sbin/td-util', 'query',
> > 'vhd', '-vpf',
> > '/var/run/sr-mount/b5631d2b-7931-c93c-39da-5a20978e823b/5d095db5-4135-
> > 47f7-8118-3d9449965799.vhd'] [8766] 2011-03-24 14:00:17.746639
> > SUCCESS [8766] 2011-03-24 14:00:17.762216 Removed host key
> > host_OpaqueRef:0ed3e74b-aee7-e262-61cd-fe18a9a6d360 for
> > 5d095db5-4135-47f7-8118-3d9449965799
> > [8766] 2011-03-24 14:00:17.762311 lock: released
> > /var/lock/sm/5d095db5-4135-47f7-8118-3d9449965799/vdi
> > [8766] 2011-03-24 14:00:17.762378 lock: closed
> > /var/lock/sm/5d095db5-4135-47f7-8118-3d9449965799/vdi
> > [8766] 2011-03-24 14:00:17.762456 lock: closed
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [8766] 2011-03-24 14:00:17.762628 lock: closed
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [8822] 2011-03-24 14:00:17.884668 lock: acquired
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [8822] 2011-03-24 14:00:17.886117 ['/usr/sbin/td-util', 'query',
> > 'vhd', '-vpf',
> > '/var/run/sr-mount/b5631d2b-7931-c93c-39da-5a20978e823b/5d095db5-4135-
> > 47f7-8118-3d9449965799.vhd'] [8822] 2011-03-24 14:00:17.902571
> > SUCCESS [8822] 2011-03-24 14:00:17.903878 vdi_detach {'sr_uuid':
> > 'b5631d2b-7931-c93c-39da-5a20978e823b', 'subtask_of':
> > 'OpaqueRef:c7c8309d-f5fb-a97c-6443-a8b1f4b3dabe', 'vdi_ref':
> > 'OpaqueRef:c602d033-57a7-bf8f-7d5d-ca76e2520402', 'vdi_on_boot':
> > 'persist', 'args': [], 'vdi_location':
> > '5d095db5-4135-47f7-8118-3d9449965799', 'host_ref':
> > 'OpaqueRef:0ed3e74b-aee7-e262-61cd-fe18a9a6d360', 'session_ref':
> > 'OpaqueRef:28d24a42-044e-091a-6b31-a49a5b80b565', 'device_config':
> > {'options': '', 'SRmaster': 'true', 'serverpath':
> > '/vol/vol6/orquestra', 'server': 'riofd06.globoi.com'}, 'command':
> > 'vdi_detach', 'vdi_allow_caching': 'true', 'sr_ref':
> > 'OpaqueRef:e5bbc8cc-f3d5-3cc5-3e11-2c68797c8c45', 'local_cache_sr':
> > '5dea02ae-a488-829b-92d2-3eb5c288b90f', 'vdi_uuid':
> > '5d095db5-4135-47f7-8118-3d9449965799'}
> > [8822] 2011-03-24 14:00:17.904166 lock: closed
> > /var/lock/sm/5d095db5-4135-47f7-8118-3d9449965799/vdi
> > [8822] 2011-03-24 14:00:17.904285 lock: released
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [8822] 2011-03-24 14:00:17.904565 lock: closed
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [8994] 2011-03-24 14:00:43.246717 ['/usr/sbin/tap-ctl', 'list']
> > [8994] 2011-03-24 14:00:43.250366 = 0 [8994] 2011-03-24
> > 14:00:43.256244 ['/usr/sbin/tap-ctl', 'stats', '-p', '28818',
> > '-m', '0'] [8994] 2011-03-24 14:00:43.260298 = 0 [9095]
> > 2011-03-24 14:01:12.462263 lock: acquired
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [9095] 2011-03-24 14:01:12.464090 ['/usr/sbin/td-util', 'query',
> > 'vhd', '-vpf',
> > '/var/run/sr-mount/b5631d2b-7931-c93c-39da-5a20978e823b/5d095db5-4135-
> > 47f7-8118-3d9449965799.vhd'] [9095] 2011-03-24 14:01:12.481012
> > SUCCESS [9095] 2011-03-24 14:01:12.482403 lock: released
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [9095] 2011-03-24 14:01:12.482584 vdi_resize {'sr_uuid':
> > 'b5631d2b-7931-c93c-39da-5a20978e823b', 'subtask_of':
> > 'OpaqueRef:4e9f7429-4c78-35ca-3c35-aa2ba7e87b03', 'vdi_ref':
> > 'OpaqueRef:c602d033-57a7-bf8f-7d5d-ca76e2520402', 'vdi_on_boot':
> > 'persist', 'args': ['42949672960'], 'vdi_location':
> > '5d095db5-4135-47f7-8118-3d9449965799', 'host_ref':
> > 'OpaqueRef:0ed3e74b-aee7-e262-61cd-fe18a9a6d360', 'session_ref':
> > 'OpaqueRef:f7ef4d98-e63d-d4cc-ea06-c1eefd721779', 'device_config':
> > {'options': '', 'SRmaster': 'true', 'serverpath':
> > '/vol/vol6/orquestra', 'server': 'riofd06.globoi.com'}, 'command':
> > 'vdi_resize', 'vdi_allow_caching': 'true', 'sr_ref':
> > 'OpaqueRef:e5bbc8cc-f3d5-3cc5-3e11-2c68797c8c45', 'local_cache_sr':
> > '5dea02ae-a488-829b-92d2-3eb5c288b90f', 'vdi_uuid':
> > '5d095db5-4135-47f7-8118-3d9449965799'}
> > [9095] 2011-03-24 14:01:12.482785 ['/usr/sbin/vhd-util',
> > 'resize', '--debug', '-s', '40960', '-n',
> > '/var/run/sr-mount/b5631d2b-7931-c93c-39da-5a20978e823b/5d095db5-4135-
> > 47f7-8118-3d9449965799.vhd', '-j',
> > '.journal-5d095db5-4135-47f7-8118-3d9449965799']
> > [9095] 2011-03-24 14:01:12.702535 SUCCESS [9095] 2011-03-24
> > 14:01:12.702738 ['/usr/sbin/vhd-util', 'query', '--debug', '-v',
> > '-n',
> > '/var/run/sr-mount/b5631d2b-7931-c93c-39da-5a20978e823b/5d095db5-4135-
> > 47f7-8118-3d9449965799.vhd'] [9095] 2011-03-24 14:01:12.716394
> > SUCCESS [9095] 2011-03-24 14:01:12.749430 _db_update_sm_config:
> > 5d095db5-4135-47f7-8118-3d9449965799 del sm-config:vhd-parent [9095]
> > 2011-03-24 14:01:12.788894 lock: closed
> > /var/lock/sm/b5631d2b-7931-c93c-39da-5a20978e823b/sr
> > [9233] 2011-03-24 14:01:38.575962 ['/usr/sbin/tap-ctl', 'list']
> > [9233] 2011-03-24 14:01:38.579594 = 0 [9233] 2011-03-24
> > 14:01:38.585400 ['/usr/sbin/tap-ctl', 'stats', '-p', '28818',
> > '-m', '0'] [9233] 2011-03-24 14:01:38.589243 = 0
> >
> > </log>
> >
> > On Thu, Mar 24, 2011 at 12:01 PM, Jonathan Davies
> <Jonathan.Davies@xxxxxxxxxxxxx> wrote:
> >> Hi Marco,
> >>
> >> No, that's not the expected behaviour...
> >>
> >> Andrei (cc'd) has not been able to reproduce this. Are you able to
> provide /var/log/SMlog and some more detailed reproduction steps?
> >>
> >> Thanks,
> >>
> >> Jonathan
> >>
> >>> -----Original Message-----
> >>> From: xen-api-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-api-
> >>> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Marco Sinhoreli
> >>> Sent: 23 March 2011 15:03
> >>> To: xen-api
> >>> Subject: [Xen-API] Resizing VDI with Local Caching enabled
> >>>
> >>> Hello all:
> >>>
> >>> I'm trying resize a VDI cloned from a gold-image. I'm using storage
> >>> local caching in my tests. After resize, the virtual machine isn't
> >>> booting. Bellow the exception:
> >>>
> >>>
> >>> <output>
> >>> [root@server ~]# vdi=$(xe vbd-list
> >>> vm-uuid=fa537d17-1b07-b472-74c7-67b2a2f5561f device=xvda
> >>> params=vdi-uuid --minimal) [root@server ~]# xe vdi-resize uuid=$vdi
> >>> disk-size=40GiB [root@server ~]# echo $?
> >>> 0
> >>> [root@server ~]# xe vm-start
> >>> uuid=fa537d17-1b07-b472-74c7-67b2a2f5561f
> >>> There was an SR backend failure.
> >>> status: non-zero exit
> >>> stdout:
> >>> stderr: Traceback (most recent call last):
> >>> File "/opt/xensource/sm/NFSSR", line 253, in ?
> >>> SRCommand.run(NFSSR, DRIVER_INFO)
> >>> File "/opt/xensource/sm/SRCommand.py", line 246, in run
> >>> ret = cmd.run(sr)
> >>> File "/opt/xensource/sm/SRCommand.py", line 94, in run
> >>> return self._run_locked(sr)
> >>> File "/opt/xensource/sm/SRCommand.py", line 131, in _run_locked
> >>> return self._run(sr, target)
> >>> File "/opt/xensource/sm/SRCommand.py", line 183, in _run
> >>> caching_params)
> >>> File "/opt/xensource/sm/blktap2.py", line 1280, in activate
> >>> if self._activate_locked(sr_uuid, vdi_uuid, caching_params):
> >>> File "/opt/xensource/sm/blktap2.py", line 29, in wrapper
> >>> ret = op(self, *args)
> >>> File "/opt/xensource/sm/blktap2.py", line 1312, in
> >>> _activate_locked
> >>> dev_path = self._activate(sr_uuid, vdi_uuid, caching_params)
> >>> File "/opt/xensource/sm/blktap2.py", line 1326, in _activate
> >>> dev_path = self.setup_cache(sr_uuid, vdi_uuid, caching_params)
> >>> File "/opt/xensource/sm/blktap2.py", line 1468, in setup_cache
> >>> local_sr_uuid, scratch_mode)
> >>> File "/opt/xensource/sm/blktap2.py", line 1550, in _setup_cache
> >>> standby=scratch_mode)
> >>> File "/opt/xensource/sm/blktap2.py", line 711, in launch_on_tap
> >>> raise TapdiskFailed(cls.Arg(_type, path), ctl)
> >>> blktap2.TapdiskFailed:
> >>> Tapdisk(vhd:/var/run/sr-mount/01cbd019-bd89-1296-a4bf-
> >>> fd9d412f64f4/05732396-9466-4828-9926-2217a10a18c9.vhdcache):
> >>> ['/usr/sbin/tap-ctl', 'open', '-p', '21483', '-m', '3', '-a',
> >>> 'vhd:/var/run/sr-mount/01cbd019-bd89-1296-a4bf-fd9d412f64f4/05732396
> >>> - 9466-4828-9926-2217a10a18c9.vhdcache',
> >>> '-e', '0', '-2',
> >>> 'vhd:/var/run/sr-mount/b5631d2b-7931-c93c-39da-5a20978e823b/05732396
> >>> -
> >>> 9466-4828-9926-2217a10a18c9.vhd']
> >>> failed: status=22, pid=21485, errmsg= </output>
> >>>
> >>> Is it a bug or could I have done something not permitted?
> >>>
> >>> Thoughts?
> >>>
> >>>
> >>> Cheers!
> >>>
> >>> --
> >>> Marco Sinhoreli
> >>>
> >>> _______________________________________________
> >>> xen-api mailing list
> >>> xen-api@xxxxxxxxxxxxxxxxxxx
> >>> http://lists.xensource.com/mailman/listinfo/xen-api
> >>
> >
> >
> >
> > --
> > Marco Sinhoreli
> >
>
>
>
> --
> Marco Sinhoreli
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