Re: nfs lockd errors after NetApp software upgrade.

2019-12-23 Thread Richard P Mackerras
Hi, We had some bully type workloads emerge when we moved a lot of block storage from old XIV to new all flash 3PAR. I wonder if your IMAP issue might have emerged just because suddenly there was the opportunity with all flash. QOS is good on 9.x ONTAP. If anyone says it’s not then they last looke

Re: nfs lockd errors after NetApp software upgrade.

2019-12-19 Thread Richard P Mackerras
Hi, At ONTAP 9.3P6 there is a possible LACP group issue after upgrade. Have you checked any LACP groups, These should not be a problem but I assume network interfaces are at the home ports, not on slower ports or something silly. It is marginally better if the traffic goes direct to the node where

Re: nfs lockd errors after NetApp software upgrade.

2019-12-18 Thread Richard P Mackerras
19, at 17:58, Richard P Mackerras > wrote: > > Hi, > What software version is the NetApp using? > > the very latest :-), but will try and find out later. > > Is the exported volume big? > > about 500G, but many files > as far as I know, only accessed by one hos

Re: nfs lockd errors after NetApp software upgrade.

2019-12-18 Thread Richard P Mackerras
Hi, What software version is the NetApp using? Is the exported volume big? Is the vserver configured for 64bit identifiers? If you enable NFS V4.0 or 4.1 other NFS clients using defaults might mount NFSv4.x unexpectedly after a reboot so you need to watch that. Cheers Richard (NetApp admin) On