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File replication solution for CIFS share

Posted on 2013-05-21
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Last Modified: 2013-05-22
Hello All,

I'm looking for HP NAS to offload my file Symantec Enterprise Vault data which is currently 10 TB+ in CIFS share presented by the EMC celerra, my goal are as follows:

1. offload the 10 TB+ data into cheaper NAS storage like HP StorEasy
2. enable the replication between production site and DR over 1 GB WAN link for the data above.

Can anyone please suggest me which NAS hardware supports large capacity and replication technology is reliable over 1 GB WAN link for my 10 TB+ CIFS share ?
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by:paulsolov
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Not sure what you can do with EV since it keeps the data in a vault store which is typically not replicated. There are 3rd party software that may be able to do this such as the link below

http://www.quadrotech-it.com/products/evnearsync/

For offloading the vault store partition I would go with something more reliable like a VNXe which you can put 2TB drive into.  I would look at what's supported as some CIFS implementations don't work well with EV since they use SAMBA and some versions don't play nice.

I would look at something that supports CIFS but also something that you can potentially put host and an ISCSI LUN to.
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by:Senior IT System Engineer
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Thanks Paul,

I had look at the HP P2000 G3 FC 24x1TB SAS SFF Bundle-QR521B Which includes HP Storage P2000 Array System Snapshot 512 Software

it can provide me with 22.5 GB RAW disk space, it should comes cheaper than EMC VNXe (iSCSI) solution.

at the moment the data is on EMC CX4-420 Clariion which I'd like to decommision and the newer VNX 5500 will be used for performance hungry VM datastore instead of EV.
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by:paulsolov
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The P2000 G3 will work fine but if you perform snapshots you'll probably lose a lot of space since it's copy on write technology.   If you get a VNX5500 it may be worth it to get a SATA shelf and just put the the vault stores on that unit.

If using the P2000 you'll need to put in a host
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by:Senior IT System Engineer
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Paul,

with the Snapshot, I assume that it is for snapshotting a LUN and then copy it across to the other remote P2000 G3 host ?

what do you mean to put that in a host ?
at the moment the EV server is in one of the ESX server as Virtual Machine.
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by:paulsolov
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There are local snapshots (business copy) and remote replication (continuous access).  local snapshots will typically require another LUN be configured so unless you have thin provisioning it will use double the space plus delta.
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by:Senior IT System Engineer
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Whoops :-)

I think I have selected the wrong software for doing replication between the sites, so I guess this is the correct software HP Storage P2000 Array System Remote Snap Software ?

I just need to perform block level copy as it is more reliable than the DFS replication and cheaper than the EV Near Synch copy which uses OS based VSS vopy.
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by:paulsolov
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The one you have is probably correct, HP has a habit of renaming their products (such as naming Lefthand the P4000 series).  

You can't really use DFS since a replication of a EV volume may unarchive the items and if it doesn't it will just copy over the placeholders.
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Exactly, that is why I will need block level replication.

I wonder if the HP Left Hand SAN got its own replication software ?
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It does.

http://screencast.com/t/oyxadrJixNWG

The problem with most of these is that you need 2, one for source and 1 for DR.  That's the reason I was going with the VNX, perhaps you can get the 5500 to replicate to a VNXe so that you don't need to buy 2 units.
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Thanks Paul !
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