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Forum Discussion
The_Duke_of_Ice
May 18, 2011Follower
ReadyNAS 3100 iSCSI'd to ESX 4.1 vCenter, very slow
I am experiencing very slow VM's performance when using the ReadyNAS 3100 (4.2.17) as a iSCSI Datastore on my VM's. ESX 4.1 + vCenter 4.1 + ReadyNAS 3100 in private environment. I have my ESX VMKern...
techdruid
Jun 03, 2012Aspirant
For some reason I've not seen this simple setting posted on any relevant searches for NFS Latency on the ReadyNAS. So here's one thing to check if you have an NFS datastore on your ReadyNAS and are experiencing unusually high latency.
http://techdruid.com/2012/06/03/vmware-readynas-nfs-and-extremely-high-latency/
Log in to your ReadyNAS, then go to "Shares -> Share Listing" and click on the NFS edit icon for the share that your ESXi host is mapped to. Scroll down to the Advanced NFS Options and ensure that the "Enable sync mode" is UNCHECKED.
http://techdruid.com/2012/06/03/vmware-readynas-nfs-and-extremely-high-latency/
Log in to your ReadyNAS, then go to "Shares -> Share Listing" and click on the NFS edit icon for the share that your ESXi host is mapped to. Scroll down to the Advanced NFS Options and ensure that the "Enable sync mode" is UNCHECKED.
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