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Re: Intel 6300ESB SATA



On Mon, 24 Oct 2005 10:25:07 -0600
Sibastien Taylor <staylor_(_at_)_gridworx_(_dot_)_ca> wrote:

> I do have one question about the following lines though:
> 
> dkcsum: wd0 matches BIOS drive 0x80
> wd1: no disk label
> dkcsum: wd1 matches BIOS drive 0x81
> dkcsum: wd1 matches BIOS drive 0x82 IGNORED
> wd2: no disk label
> dkcsum: wd2 matches BIOS drive 0x81 IGNORED
> dkcsum: wd2 matches BIOS drive 0x82
> root on wd0a

I was those as well when I added 4 new drives to my system. I my case
the drives were brand new and had no data on them, after I fdisk'ed &
disklabel'ed them the warning  was gone. So I guess it's related to some
kind of checksum in the MBR or the partition table or something.
I figure if you dd the the first few sectors from one raw hdd device to
another you might get this as well, not sure though.

> They do seem to work right now, but should this be a cause for
> concern? Might wd1 come up as wd2 and vice versa under some
> conditions?

Not if you don't touch anything. Changing kernel parameters with either
config or on the boot> prompt might result in that. Moving the drives to
different channels or adding/removing drives can cause them to move as
well. If you really don't want that you can hardcode wd* drives to
pciide* locations.

// nick



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