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Ndmp backup restored on Windows System
Hello everybody,
We're gonna moving our cluster file server Windows (hosted on CX3-40) to our new Unified Storage Celerra NS-480.
First question: How can I move my data? Only via network?
Second Question: Our File Server backup now consists in 6TB of data volume and 4,5 millions of files, so we'd like to implement Ndmp in the future (on Celerra) in order to reduce backup time.
Can I restore my NDMP backup on a Windows system? On our DR site we don't have any ndmp appliance (only a DataDomain VTL) and we've already tried to restore on a Celerra Virtual Machine but it's very very slow....
Any suggestion will be appreciated...
Rainer_EMC
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November 19th, 2009 10:00
or dont use NDMP - use regular LAN based backup - that can be be restored by any Netbackup server
riker82
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November 19th, 2009 03:00
dynamox
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November 19th, 2009 03:00
Peter_EMC
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November 19th, 2009 03:00
Yes, host based over the network is the only possibilty. The Celerra is using its own volume manager and a different file system than NTFS of your windows server.
Maybe a cifs backup and restore is an option, but this will also use the network.
Normaly, restoring is only possible to the same type of machine, so a celerra backup to another celerra, or a netapp backup to another netapp. Because the format the vendors are using for writing on the tapes is different.
But it seems like there is such a possibility using Commvault, take a look here:
https://community.emc.com/message/431704#431704
dynamox
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November 19th, 2009 04:00
riker82
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November 19th, 2009 04:00
It's impossible for us to change Backup Software (we're using Netbackup since 2001)...
and our DR site is in Housing... each device hosted costs $$$$... any other suggestion?
riker82
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November 19th, 2009 05:00
Do you mean something like Replication Manager?
Currently between our primary site and DR site we've a 20 mbps in MPLS network. We've difficult to replicate Dedup data (with DataDomain)... I cannot imagine how replicate file server data not deduplicated...
Rainer_EMC
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November 19th, 2009 07:00
dynamox
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November 19th, 2009 07:00
Rainer_EMC
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November 19th, 2009 07:00
Rainer_EMC
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November 19th, 2009 09:00
there are NDMP servers - like for OpenSolaris - but that alone doesnt help you
the NDMP standard does only regulate the control flow but NOT the format of the actual backup data
for that every vendor implementing NDMP uses his own format (for a good reason)
the backup software like Veritas Netbackup doesnt understand these specific formats - it just treats it like a database server storing a BLOB
so in order to restore a NDMP backup on a different platform you would need a piece of software that understands the Celerra backup format
in the post that Peter pointed to its described that CommVault did write such a software for Windows - other backup vendors are free to do so as well
dynamox
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November 19th, 2009 09:00
Rainer_EMC
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November 19th, 2009 09:00
20mbps isnt that bad - we got customers doing Celerra Replicator over less
since the replication is only transferring the changes what really matters is the change rate - not the 6TB total
riker82
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November 19th, 2009 09:00
thank you but the network bandwith between two sites is only 20 mbps... 6 TB of data are impossibile to keep it online (even with celerra replication)...
Our DR site is in housing with a Service provider... for this year is HP but probably next year could be IBM (it's business... you know...)
Does exist any way to emulate NDMP host on windows or linux?
riker82
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November 19th, 2009 09:00