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February 3rd, 2012 07:00
How do I remove snapshot files from replication destination?
We are replicating a number of LUNs / file systems on our Celerra system. One in particular is having problems. It is unable to complete the replication because the destination file system is 93% full. The source file system is the same size, but is only 69% full. It is my suspicion that the destination file system has been unable to complete the merge of the delta with the LUN copy that existed there before the delta was copied. I COULD complete the process by increasing the file system size at the destination, but I've already done that twice and the replication still fails (probably because the delta keeps increasing in size as time passes).
Is there a way to delete the snapshot (delta) from the destination file system so I can start this process from scratch? If I could do this, it would be better for our SAN than adding more space to the file system (that we can't reclaim). Can someone provide the CLI commands that I would need to get this done, if it is possible? Thanks.
Rainer_EMC
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February 3rd, 2012 07:00
Sorry – you need to be more specific on what you are actually using.
There are several EMC models and replication software products.
If you are doing file system replication with Replicator than the snapshots are kept in an extra savvol and not the file system.
If you are using Replicator for Celerra based ISCSI replication than the snapshot change data is kept in the file system.
For SAN based replication like MirrorView or SANcopy its different.
If you don’t know the details then please open a service request
Rainer