I was wondering if you ever figured this out or if you've reported it. I'm testing a configuration using snv_99 and am seeing similar behavior.
>I want to take advantage of the iSCSI target support in the latest >release (svn_91) of OpenSolaris, and I'm running into some >performance problems when reading/writing from/to my target. I'm >including as much detail as I can so bear with me here... > >I've built an x86 OpenSolaris server (Intel Xeon running NV_91) with >a zpool of 15 750GB SATA disks, of which I've created and exported a >ZFS Volume with the shareiscsi=on property set to generate an iSCSI >target. > >My problem is, when I connect to this target from any initiator >(tested with both Linux 2.6 and OpenSolaris NV_91 SPARC and x86), >the read/write speed is dreadful (~ 3 megabytes / second!). When I >test read/write performance locally with the backing pool, I have >excellent speeds. The same can be said when I use services such as >NFS and FTP to move files between other hosts on the network and the >volume I am exporting as a Target. When doing this I have achieved >the near-Gigabit speeds I expect, which has me thinking this isn't a >network problem of some sort (I've already disabled the Neagle >algorithm if you're wondering). It's not until I add the iSCSI >target to the stack that the speeds go south, so I am concerned that >I may be missing something in configuration of the target. > -- Maurice Volaski, [EMAIL PROTECTED] Computing Support, Rose F. Kennedy Center Albert Einstein College of Medicine of Yeshiva University _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
