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ReadyNAS 4220 - NFS vs. iSCSI - VMware
NETGEAR Community, We are in the process of changing our VMware infrastructure and I have run into a few performance questions regarding our ReadyNAS setup. I am hoping the experienced members c...
Yes, you should enable async if you plan to use NFS. async'll hold lots of your data in RAM and write it nicely to the disks when it has time to. Otherwise, NFS is demanding the ReadyNAS to sync the file system before taking on more data.
I don't like NFS as much because of how bad you can fragment the vmdks on btrfs.
I would recommend:
iSCSI
Thick LUN
No snapshots
Sync Writes disabled
No bit rot protection
Do not use more than 80-85% of total usable space when creating your environment.
Schedule defrag/balance to run on weekends or every other weekend.
It's what I use in my VMware environment and still working hard :)
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