On Mon, Mar 01, 2010 at 08:01:14PM +0000, x03 wrote:
> Hi misc@ ,
>
> I have installed 4.6-stable in sd0.
> The partition structure and hd specs are this:
>
> # disklabel
> sd0
> # /dev/rsd0c:
> type: SCSI
> disk: da0s1
> label:
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 255
> sectors/cylinder: 16065
> cylinders: 2213
> total sectors: 35565080
> rpm: 3600
> interleave: 1
> boundstart: 63
> boundend: 35551845
> drivedata: 0
>
> 8 partitions:
> # size offset fstype [fsize bsize cpg]
> a: 35540000 63 4.2BSD 2048 16384 1 # /
> b: 11782 35540063 swap
> c: 35565080 0 unused
> #
>
> OK, the first thing strange here is the rpm value (3600).
> This SCSI disk have 15k rpm. How can I fix this? Or I have some hardware
> error?
The rpm value is ignored, and only is there for historic reasons. You
can edit it if you like by using the disklabel -E and then e. You might
need expert mode, don't remember if so atm.
>
>
> I bought another hd, and is running with this specs:
> # disklabel sd1
> # /dev/rsd1c:
> type: SCSI
> disk: SCSI disk
> label: BD0186398C
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 255
> sectors/cylinder: 16065
> cylinders: 2213
> total sectors: 35565080
> rpm: 10000
> interleave: 1
> boundstart: 0
> boundend: 35565080
> drivedata: 0
>
> 16 partitions:
> # size offset fstype [fsize bsize cpg]
> c: 35565080 0 unused
> i: 16002 63 unknown
> #
>
> This one seems to have the correct rpm value. (this hd is 10k rpm actually).
> My question is, can i have software based raid0 with two different rpm
> values (the rest specs are the same) ?
> If yes, can I do that with machine running and remotely?
No problem.
>
> Tks a lot for your attention.
-Otto
