iSCSI vs NFS for millions of files

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iSCSI vs NFS for millions of files

Postby BudTheGrey » Thu Feb 09, 2017 4:05 pm

I'm looking to get the best performance for my mail server. It is Kerio connect running a Debian VM under VMWare 5.5. The data store is approximately 1.8TB, with literally 10's of millions of files.

I've read lots of write up on the 'net on the whole "iSCSI vs NFS" topic. It appears that most people prefer NFS, but any test I've found dealt with transfer of large files, when I have the opposite problem. As I see it, I have three ways I can set this up:

    Create an iSCSI LUN, and put the VMDK there
    Create an NFS storage object, and put the VMDK there
    Mount a shared Synology folder directly withing the Linux VM

Which is likely to perform best? I have no SSD caching, and right now that is not an option.

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