Re: [OmniOS-discuss] arcstat ZFS question

2017-03-17 Thread Richard Skelton
Hi Dan, Thanks for the prompt response. But why the arc misses if I repeat the du and why is the L2arc size from arcstat much bigger than from zpool iostat? Dan McDonald wrote: >> On Mar 17, 2017, at 4:12 AM, Richard Skelton wrote: >> >> Why does du generate writes? >>

Re: [OmniOS-discuss] arcstat ZFS question

2017-03-17 Thread Dan McDonald
> On Mar 17, 2017, at 4:12 AM, Richard Skelton wrote: > > Why does du generate writes? > Is this normal? If you've L2ARC, it'd make sense that du (a program that traverses tons of directories if not more to find out how many blocks and/or bytes each file holds) would

[OmniOS-discuss] arcstat ZFS question

2017-03-17 Thread Richard Skelton
Hi, I am running OmniOS r151020 on an Intel S2600WTTR with two Intel(R) Xeon(R) CPU E5-2640 v4 @ 2.40GHz CPU and 256GB of memory. The zpool scratch is made up of 16 x 600GB 15K rpm SAS drives with a DDRdrive as log and a 750GB INTEL-SSDPEDMD800G4 NVME card as cache. When I run du I see a lot of