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From "Mice Xia" <mice_...@tcloudcomputing.com>
Subject RE: Snapshot and Template Issue with VMWare
Date Fri, 22 Feb 2013 08:11:03 GMT
(DirectAgent-279:172.30.100.30) Unable to create mount point for nfs://172.30.104.200/home/data/demo1_secondary

SSVM failed to mount your SS(secondary storage) when it attempted to copy template from SS
to PS, check your NFS configuration and make sure SSVM have R/W permission. (SSVM uses storage
network to connect to SS, or management network if storage network is not enabled)

Mice

-----Original Message-----
From: Francois Gaudreault [mailto:fgaudreault@cloudops.com] 
Sent: Friday, February 22, 2013 11:52 AM
To: cloudstack-users@incubator.apache.org
Subject: Snapshot and Template Issue with VMWare

Hi,

I don't know if this question has been asked before, but I have a weird issue with snapshots
and VMWare 5.  The snapshot of a volume appears to be working fine on the VMWare side (I can
see it in the vCenter task list), but the snapshot cannot be copied to the secondary storage
NFS share.  The log file is a bit fuzzy about the exact cause, I do see couple errors. Maybe
someone can shed some lights.  Thanks in advance, and let me know if I should open a case
on the BTS!

I can confirm that CS sees my 2 hosts in the vCenter cluster as UP, and that the secondary
storage is exported on each ESX servers as a NAS volume.

Errors from the log:
[...]
2013-02-21 16:53:40,226 WARN  [storage.snapshot.SnapshotManagerImpl]
(Job-Executor-14:job-305) Storage unavailable
com.cloud.exception.StorageUnavailableException: Resource [StoragePool:211] is unreachable:
Unable to send command to the pool 211 due to there is no enabled hosts up in this cluster
     at
com.cloud.storage.StorageManagerImpl.sendToPool(StorageManagerImpl.java:2206)
     at
com.cloud.storage.StorageManagerImpl.sendToPool(StorageManagerImpl.java:2231)
     at
com.cloud.storage.snapshot.SnapshotManagerImpl.sendToPool(SnapshotManagerImpl.java:212)
     at
com.cloud.storage.snapshot.SnapshotManagerImpl.backupSnapshotToSecondaryStorage(SnapshotManagerImpl.java:596)
[...]
2013-02-21 16:53:40,258 ERROR [cloud.api.ApiDispatcher]
(Job-Executor-14:job-305) Exception while executing CreateSnapshotCmd:
com.cloud.utils.exception.CloudRuntimeException: Created snapshot: 
com.cloud.storage.SnapshotVO$$EnhancerByCGLIB$$45ba3f8a@614ca297 on primary but failed to
backup on secondary
     at
com.cloud.storage.snapshot.SnapshotManagerImpl.createSnapshot(SnapshotManagerImpl.java:417)
     at
com.cloud.utils.component.ComponentLocator$InterceptorDispatcher.intercept(ComponentLocator.java:1231)
     at
com.cloud.storage.snapshot.SnapshotManagerImpl.createSnapshot(SnapshotManagerImpl.java:127)
[...]

This might also be another different issue.  CloudStack complains about the routing-8.ova
template.

2013-02-21 16:49:31,713 DEBUG [vmware.manager.VmwareManagerImpl]
(DirectAgent-279:172.30.100.30) mount.nfs: Connection timed out
2013-02-21 16:49:31,713 WARN  [vmware.manager.VmwareManagerImpl]
(DirectAgent-279:172.30.100.30) Unable to mount 172.30.104.200:/home/data/demo1_secondary
due to mount.nfs: Connection timed out
2013-02-21 16:49:31,713 ERROR [vmware.manager.VmwareManagerImpl]
(DirectAgent-279:172.30.100.30) Unable to create mount point for nfs://172.30.104.200/home/data/demo1_secondary
2013-02-21 16:49:31,713 INFO [vmware.manager.VmwareStorageManagerImpl]
(DirectAgent-279:172.30.100.30) Secondary storage mount point: /mnt/sec
2013-02-21 16:49:31,713 INFO [vmware.manager.VmwareStorageManagerImpl]
(DirectAgent-279:172.30.100.30) Executing command: tar --no-same-owner -xf /mnt/sec/template/tmpl/1/8/routing-8.ova
2013-02-21 16:49:31,713 DEBUG [vmware.manager.VmwareStorageManagerImpl]
(DirectAgent-279:172.30.100.30) Executing: tar --no-same-owner -xf /mnt/sec/template/tmpl/1/8/routing-8.ova
2013-02-21 16:49:31,910 DEBUG [vmware.manager.VmwareManagerImpl]
(DirectAgent-34:172.30.100.31) Executing: sudo mount -t nfs 172.30.104.200:/home/data/demo1_secondary
/var/lib/cloud/mnt/VM/152340872926777.3861298f
2013-02-21 16:49:32,071 WARN [vmware.manager.VmwareStorageManagerImpl]
(DirectAgent-279:172.30.100.30) Exception: tar --no-same-owner -xf /mnt/sec/template/tmpl/1/8/routing-8.ova
java.io.IOException: Cannot run program "tar" (in directory
"/mnt/sec/template/tmpl/1/8"): java.io.IOException: error=2, No such file or directory
     at java.lang.ProcessBuilder.start(ProcessBuilder.java:475)
     at com.cloud.utils.script.Script.execute(Script.java:181)
     at com.cloud.utils.script.Script.execute(Script.java:159)
2013-02-21 16:49:32,074 ERROR [vmware.manager.VmwareStorageManagerImpl]
(DirectAgent-279:172.30.100.30) Unable to unpack snapshot OVA file at: 
/mnt/sec/template/tmpl/1/8/routing-8.ova
2013-02-21 16:49:32,074 ERROR [vmware.manager.VmwareStorageManagerImpl]
(DirectAgent-279:172.30.100.30) Unable to execute PrimaryStorageDownloadCommand due to exception
java.lang.Exception: Unable to unpack snapshot OVA file at: 
/mnt/sec/template/tmpl/1/8/routing-8.ova

Thanks!

--
Francois Gaudreault
Architecte de Solution Cloud | Cloud Solutions Architect fgaudreault@cloudops.com
- - -
CloudOps
420 rue Guy
Montréal QC  H3J 1S6
www.cloudops.com
@CloudOps_

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