Multiple iSCSI Targets or 1 that’s shared

iscsistoragestorage-area-networkwindows-server-2008-r2

On my network I have several types of files I want to save on a SAN like:

  1. SQL db's and logs
  2. Exchange data
  3. Random files

Now I'm wondering if I should create one iSCSI Target with a large volume and initiate that from one of the servers. (and share it so other servers can use it too)

Or I should create separate Targets to have each server use its own storage.

For the record the storage could be separated because the servers aren't using the shared data. For one reason I was thinking of one storage is ease of backup. (but perhaps performance could be a problem?)

What would be an advisable configuration for these type of data?

Best Answer

You are going to need to do separate targets. NTFS is not a cluster filesystem so having multiple boxes writing to the same disk will trash your filesystem or at the very least the files on your filesystem as they will not be aware of what the other systems are doing.

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