Making Debian ignore a drive
Thomas Charron
twaffle at gmail.com
Wed Apr 11 14:59:07 EDT 2007
On 4/11/07, Ben Scott <dragonhawk at gmail.com> wrote:
> On 4/11/07, Thomas Charron <twaffle at gmail.com> wrote:
> > Call me silly, but isn't IPMI connected to the SCSI backplane?
> Um... I don't think so. I've certainly never seen it show up on the
> actual SCSI bus. I think it uses one of the various "small bus"
> interfaces -- SMbus, maybe?
Maybe it just monitors it then. I thought I'd seen IPMI be able to
tell the health of drives on the SCSI backplane, without an OS
providing that information to it. See below.
> IPMI does offer chassis management functions (like fan and
> temperature monitoring), which might include stuff on or near the SCSI
> backplane. (There is a SCSI standard for that stuff, too (SES -- SCSI
> Enclosure Services), but not everything uses it.)
I may have been confusing it with SES. Either that, or something
specific to the Dell specific array controllers, as that's one machine
I specifically recall being able to do that.
> Keep in mind also that many drivers present their API using the OS's
> SCSI subsystem, because SCSI is pretty much the universal I/O model
> for everything these days. So just because the kernel is calling it
> "SCSI" doesn't mean it actually is SCSI.
Aye, I'm pretty sure based on a quick google search I was definatly
incorrect in the assumption that the IPMI was actually monitoring any
SCSI bus. It was something else.
--
-- Thomas
More information about the gnhlug-discuss
mailing list