Messages in this thread | | | Date | Thu, 27 Jul 2006 15:42:15 +0200 | From | Jan Kasprzak <> | Subject | Re: 3ware disk latency? |
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dean gaudet wrote: : On Wed, 26 Jul 2006, adam radford wrote: : > : > Did you try setting /sys/class/scsi_host/hostX/cmd_per_lun to 256 / num_units : > ? : : hmm doesn't look like i can do this in 2.6.16.27: : : # ls -l /sys/class/scsi_host/host0/cmd_per_lun : -r--r--r-- 1 root root 0 Jul 26 19:58 /sys/class/scsi_host/host0/cmd_per_lun : # echo 85 >!$ : echo 85 >/sys/class/scsi_host/host0/cmd_per_lun : zsh: permission denied: /sys/class/scsi_host/host0/cmd_per_lun : : it'll probably be sometime until i update this box past 2.6.16.x ... but : i'll keep it in mind and retry the experiment... thanks.
2.6.17.7 also does not allow cmd_per_lun to be written.
-Yenya
-- | Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}> | | GPG: ID 1024/D3498839 Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E | | http://www.fi.muni.cz/~kas/ Journal: http://www.fi.muni.cz/~kas/blog/ | > I will never go to meetings again because I think face to face meetings < > are the biggest waste of time you can ever have. --Linus Torvalds < - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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