On 05/26/2010 09:52 PM, Vladislav Bolkhovitin wrote: > Boaz Harrosh, on 05/26/2010 10:45 PM wrote: >> On 05/26/2010 09:42 PM, Vladislav Bolkhovitin wrote: >>> Taylor, on 05/26/2010 09:32 PM wrote: >>>> I'm curious what kind of performance numbers people can get from their >>>> iscsi setup, specifically via 10 Gig. >>>> >>>> We are running with Linux servers connected to Dell Equallogic 10 Gig >>>> arrays on Suse. >>>> >>>> Recently we were running under SLES 11, and with multipath were seeing >>>> about 2.5 Gig per NIC, or 5.0 Gbit/sec total IO throughput, but we >>>> were getting a large number of iscsi connection errors. We are using >>>> 10 Gig NICs with jumbo frames. >>>> >>>> We reimaged the server to OpenSuse, same hardware and configs >>>> otherwise, and since then we are getting about half, or 1.2 to 1.3 >>>> Gbit per NIC, or 2.5 to 3.0 Gbit total IO throughput, but we've not >>>> had any iscsi connection errors. >>>> >>>> What are other people seeing? Doesn't need to be an equallogic, just >>>> any 10 Gig connection to an iscsi array and single host throughput >>>> numbers. >>> ISCSI-SCST/open-iscsi on a decent hardware can fully saturate 10GbE >>> link. On writes even with a single stream, i.e. something like a single >>> dd writing data to a single device. >>> >> >> Off topic question: >> That's a fast disk. A sata HD? the best I got for single sata was like >> 90 MB/s. Did you mean a RAM device of sorts. > > The single stream data were both from a SAS RAID and RAMFS. The > multi-stream data were from RAMFS, because I don't have any reports > about any tests of iSCSI-SCST on fast enough SSDs. >
Right thanks. So the SAS RAID had what? like 12-15 spindles? > Vlad > Boaz -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-is...@googlegroups.com. To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/open-iscsi?hl=en.