Re: [OmniOS-discuss] ZFS/NFS Lockup when deleting or copying large files

2017-03-29 Thread John Barfield
zilstat showed all zeros. In fact I emailed Richard Elling about it to be sure that I was using it properly. iostat, prstat, & arcstat stayed very busy the whole time though. Ill pay more attention nexttime. John Barfield On Mar 29, 2017, at 1:22 AM, Knut Erik Sørvik mailto:k...@teknograd.no

Re: [OmniOS-discuss] ZFS/NFS Lockup when deleting or copying large files

2017-03-28 Thread Doug Hughes
There are quite a bit of things to look at. One question: do you have deduplication turned on? I have seen things like this (with or without dedup) as a result of memory exhaustion. I happen to know that the x4540 can only hold about 32GB of ram, so this seems like a possibility. you might want

[OmniOS-discuss] ZFS/NFS Lockup when deleting or copying large files

2017-03-28 Thread John Barfield
Greetings! I have an issue with ZFS/NFS on OmniOS where copying or deleting large files causes the SAN to lockup and requires that we reboot it sometimes to recover. One customer was trying to copy a 400GB file and another tried to delete a 4TB vmdk from a vmware NFS vstore. In both situations