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Date: Thu, 12 Jul 2007 15:04:28 -0400 From: Jeff Garzik <jeff@...zik.org> To: dean gaudet <dean@...tic.org> CC: linux-ide@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, dave@...dillows.org Subject: Re: [RFT][PATCH v7] sata_mv: convert to new EH dean gaudet wrote: > On Thu, 12 Jul 2007, Jeff Garzik wrote: > >> dean gaudet wrote: >>> oh very nice... no warnings on boot, and no warnings while i "dd if=/dev/sdX >>> of=/dev/null" and i'm seeing 74MB/s+ from each disk on this simple read >>> test. >>> >>> for lack of a better test i started an untar/diff stress test on the >>> disks... we'll see how it goes. (it's based on doug ledford's memtest.sh) >> Thanks for the testing. Looks like we might have hit on something good... > > yep this does look good. no problems overnight in the untar/diff/rm > workload. if you've got any other workload you'd like me to throw at it, > let me know. i might be able to scare up a disk or two with errors to > check error handling. Nothing specific. I usually just throw various workloads at it, both throughput-intensive, seek-intensive, multiple threads at the same time, stressing multiple disks at the same time, etc. I presume from your past messages your tests include multiple disks at the same time? > i tested hotplug just for kicks... no luck there :) but then you didn't > say that would work yet. hehehe Well I sorta didn't want to mention it, to avoid clouding the waters further. In theory, hotplug and hot unplug -should- work, in version 7. Your report is a useful contradiction of that theory, and signals where to poke next. Since all this hacking is a spare-time effort, so promises as to when next I'll poke at it. It might be tomorrow, or a month from now. Getting "new EH" upstream was a big hurdle to overcome, and your testing really helped that along. Anyway, something like Version 7 is probably what I will push upstream for 2.6.23-rc1. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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