Re: [zfs-discuss] IO load questions

2012-07-24 Thread Richard Elling
Important question, what is the interconnect? iSCSI? FC? NFS? -- richard On Jul 24, 2012, at 9:44 AM, matth...@flash.shanje.com wrote: > Working on a POC for high IO workloads, and I’m running in to a bottleneck > that I’m not sure I can solve. Testbed looks like this : > > SuperMicro 6026-6R

Re: [zfs-discuss] slow speed problem with a new SAS shelf

2012-07-24 Thread Yuri Vorobyev
23.07.2012 21:59, Yuri Vorobyev пишет: I faced with a strange performance problem with new disk shelf. We a using ZFS system with SATA disks for a while. What OS and release? Oh. I forgot this important thing. It is OpenIndiana oi_151a5 now. New testing data: I reboot to first boot envir

Re: [zfs-discuss] IO load questions

2012-07-24 Thread Matt Breitbach
Pool is 6x striped Stec ZEUSRam as ZIL, 6x OCZ Talos C 230GB drives L2ARC, and 24x 15k SAS drives striped (no parity, no mirroring) - I know, terrible for reliability, but I just want to see what kind of IO I can hit. Checksum is ON - can't recall what default is right now. Compression is off Dedup

Re: [zfs-discuss] IO load questions

2012-07-24 Thread Bob Friesenhahn
On Tue, 24 Jul 2012, matth...@flash.shanje.com wrote: ~50,000 IOPS 4k random read. 200MB/sec, 30% CPU utilization on Nexenta, ~90% utilization on guest OS. I’m guessing guest OS is bottlenecking. Going to try physical hardware next week ~25,000 IOPS 4k random write. 100MB/sec, ~70% CPU uti

[zfs-discuss] IO load questions

2012-07-24 Thread matthewb
Working on a POC for high IO workloads, and I’m running in to a bottleneck that I’m not sure I can solve. Testbed looks like this : SuperMicro 6026-6RFT+ barebones w/ dual 5506 CPU’s, 72GB RAM, and ESXi VM – 4GB RAM, 1vCPU Connectivity dual 10Gbit Ethernet to Cisco Nexus 5010 Target Nexenta sy