Rajani Karuturi created CLOUDSTACK-9834:
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Summary: prepareTemplate API call doesn't work well with XenServer
& Local SR (Db_exn.Uniqueness_constraint_violation)
Key: CLOUDSTACK-9834
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9834
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Reporter: Rajani Karuturi
When the xenservers in the same pool create an SR from a share location and do
the scan, sr scan fails.
steps to reproduce
on xenserver1 create a SR and do a scan. It is successful
[root@cl08-11 ~]# mount -o tcp,soft,ro,timeo=133,retrans=1
10.220.128.55:/vol/xenrtnfs/1059631-bPv9c0
/var/cloud_mount/e485eb49-ed8d-3fee-a0f9-c60858c15107/
[root@cl08-11 ~]# xe sr-introduce type=file
uuid=2d24f8b7-6e82-43b7-8206-75fef108261b shared=false name-label="test"
content-type=file
2d24f8b7-6e82-43b7-8206-75fef108261b
[root@cl08-11 ~]# xe pbd-create sr-uuid=2d24f8b7-6e82-43b7-8206-75fef108261b
device-config:location=/var/cloud_mount/e485eb49-ed8d-3fee-a0f9-c60858c15107/template/tmpl/1/5
host-uuid=d3d4eac1-b8f7-492c-b6df-49bb316d93e9
d86b64ef-e7ae-4bd7-3415-087386de3c23
[root@cl08-11 ~]# xe pbd-plug uuid=d8
d824a46b-d47e-acfc-1d7a-420cb08bec51 d86b64ef-e7ae-4bd7-3415-087386de3c23
[root@cl08-11 ~]# xe pbd-plug uuid=d86b64ef-e7ae-4bd7-3415-087386de3c23
[root@cl08-11 ~]# xe sr-scan uuid=2d24f8b7-6e82-43b7-8206-75fef108261b
[root@cl08-11 ~]#
on xenserver2 create an SR for the same nfs location and do a scan. SR scan
fails.
[root@cl08-08 ~]# mount -o tcp,soft,ro,timeo=133,retrans=1
10.220.128.55:/vol/xenrtnfs/1059631-bPv9c0
/var/cloud_mount/e485eb49-ed8d-3fee-a0f9-c60858c15107/
[root@cl08-08 ~]# xe sr-introduce type=file
uuid=9d511d99-0117-42af-85d6-1d590c1d429f shared=false name-label="test1"
content-type=file
9d511d99-0117-42af-85d6-1d590c1d429f
[root@cl08-08 ~]# xe pbd-create sr-uuid=9d511d99-0117-42af-85d6-1d590c1d429f
device-config:location=/var/cloud_mount/e485eb49-ed8d-3fee-a0f9-c60858c15107/template/tmpl/1/5
host-uuid=200cb213-ab89-4d6a-82fd-87abbc8aeaf8
e4cc74bc-c977-7bb5-0670-dfe7e377d62e
[root@cl08-08 ~]# xe pbd-plug uuid=e4cc74bc-c977-7bb5-0670-dfe7e377d62e
[root@cl08-08 ~]# xe sr-scan uuid=9d511d99-0117-42af-85d6-1d590c1d429f
Error code: SR_BACKEND_FAILURE_40
Error parameters: , The SR scan failed [opterr=['INTERNAL_ERROR',
'Db_exn.Uniqueness_constraint_violation("VDI", "uuid",
"ac743f65-a3aa-3b3a-9886-e67031f40522")']],
Currently CCP creates a host based SR. SR is created for secondary storage on
each host separately, this is causing the failure when scanning the SR as same
VDI's are present
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