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I''ve been looking into the performance impact of NCQ. Here''s what i found out: http://blogs.sun.com/erickustarz/entry/ncq_performance_analysis Curiously, there''s not too much performance data on NCQ available via a google search ... enjoy, eric

Hi. Just migrated to zfs on opensolaris. I copied data to the server using rsync and got this message: Oct 10 17:24:04 zetta ^Mpanic[cpu1]/thread=ffffff0007f1bc80: Oct 10 17:24:04 zetta genunix: [ID 683410 kern.notice] BAD TRAP: type=e (#pf Page fault) rp=ffffff0007f1b640 addr=fffffffecd873000 Oct 10 17:24:04 zetta unix: [ID 100000 kern.notice] Oct 10 17:24:04 zetta unix: [ID 839527 kern.notice]

I?d like to report the ZFS related crash/bug described below. How do I go about reporting the crash and what additional information is needed? I?m using my own very simple test app that creates numerous directories and files of randomly generated data. I have run the test app on two machines, both 64 bit. OpenSolaris crashes a few minutes after starting my test app. The crash has occurred on

I''m seeing some pretty pitiful performance using ZFS on a NFS server, with a ZFS volume exported (only with rw=host.foo.com,root=host.foo.com opts) and mounted on a Linux host running kernel 2.4.31. This linux kernel I''m working with is limited in that I can only do NFSv2 mounts... irregardless of that aspect, I''m sure something''s amiss. I mounted the zfs-based