From: Joey Dowana (joeyd141414@yahoo.com)
Date: Fri Sep 13 2002 - 17:09:22 EDT
the best answer was from Kevin Buterbaugh, read
on.....
--JD
> Pay more attention to the sd devices than the
> md devices, since they
> (the former) are the actual physical disks
> comprising the metadevices.
>
> The way you map between the cxtxdxsx name of a
> disk and the sd name
> is via the /etc/path_to_inst file. HTH...
original post:
> Subject: devices to monitor via iostat
>
> a question regarding iostat on what device name i
> should pay attention to. should i pay special
> attentiont to the sd0 and sd1 names or monitor the
> md15, md10, md11 names? this box has OS mirroring
> w/
> DiskSuite. meaning, sd0 is the block device of the
> first SCSI drive, and sd1 is the block device of the
> second SCSI drive, and the md15 is the pseudo device
> name for the mirror device. which stats should i
> pay
> attention to?
>
> a related question - i have a SAN device with a
> block
> device of c2t61d0. how is the "sd" name presented
> in
> iostat derived? i've looked at the actual device
> name
> in /devices/pci@1f,4000/.... but this doesn't seem
> to
> match iostat's output.
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