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how to use snapshot on san host for NX4
Hi all,
we have EMC NX4 (AX4-5F8) box connected to 2 solaris host through san switch. Can we use the default snapshot product to take the backup from backup host.
For testing purpose we have created the snapshot and presented to the backup host.However on solaris we are not able to access the snapshot.it is visible as device but not able to import the filesystem (e.g zpool import).
Just wanted to know anyone has experineced on these default snapshots and how to use it.
We don't have any additional licence or software like snapview and clones.
Thnx to all in advance.
dynamox
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August 4th, 2011 04:00
hmm..what did you use to create the snapshot ? Can you describe the steps ?
amith123
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August 4th, 2011 04:00
From Navisphere GUI
1) Configured the reserved lun pool.
2) started snapview session on source lun
3) created snapshot
4) presented snapshot to backup host
5 ) activated the snapshot
after that the snapshot lun is visible on OS side....but not able to use it..
amith123
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August 4th, 2011 04:00
Thnanx for responce.
I don't have the snapview licence.
Only the snapshot product is available which is the default we had got from the box.
I have not created the snapshot for clerra filesystem.
I have presented the lun to solaris host through SAN switch (fibre cables)
For this lun i have created the snapshot and presented to backup host.
but on backup host i am unable to import the filesystem on this lun or i am unable to view data on this lun.
dynamox
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August 4th, 2011 04:00
if you are trying to create a snapshot of your LUN , then you will need to purchase snapview license. It sounds like you created a snapshot of Celerra file system ?
amith123
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August 4th, 2011 05:00
snapshot lun is visible in format.
while importing zpool ..it is showing that
no pools available to import
in zpool status my zpool is not visible..
amith123
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August 4th, 2011 05:00
i have tried before...same result.
dynamox
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August 4th, 2011 05:00
SnapshotManagement is equivalent of snapview snapshot functionality, so looks like you are good from that perspective. On Solaris box if you run "cfgadm -al | grep dsk" , do you see the disk ? What happens when you run "zpool status"
dynamox
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August 4th, 2011 05:00
sounds to me like you have a snapview license. Is there a software tab on AX4 where you can list all the software installed on this array.
amith123
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August 4th, 2011 05:00
attached the softwares active on AX4
1 Attachment
AX4 sofware.JPG
dynamox
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August 4th, 2011 05:00
what if you reverse these two steps
4) presented snapshot to backup host
5 ) activated the snapshot
dynamox
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August 4th, 2011 06:00
is there an option in format command for you to see if there a partition/label on that device ?