On Sun, 24 Jun 2007, Robert Hancock wrote:
> Matthew "Cheetah" Gabeler-Lee wrote:
> > (Please cc me on replies)
> >
> > I have three samsung hdds (/sys/block/sda/device/model says SAMSUNG SP2504C)
> > in a raid configuration. My system frequently (2-3x/day) experiences
> > temporary lockups, which produce messages as below in my dmesg/syslog. The
> > system recovers, but the hang is annoying to say the least.
>
> Does this drive actually support NCQ? I can't tell from this part of the log.
I selected that model in part because it at least claimed to support
NCQ. I'm not sure if it reflects NCQ or not, but I do have
/sys/block/sd[abc]/device/queue_{depth,type} which show simple and 31
respectively. Samsung's page for the drive also says it supports NCQ:
http://www.samsung.com/Products/HardDiskDrive/SpinPointPSeries/HardDiskDrive_SpinPointPSeries_SP2504C.htm
--
-Cheetah
"Reality is that which, when you stop believing in it, doesn't go away".
-- Philip K. Dick
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