Thanks very much for your note. I'll add a warning about the AACRAID
controllers in a couple of prominent places. I don't know much about how
the SCSI code will interact with SCSI raid controllers.
By the way, do you know if the smartsuite utilities cause the same
problems on the SCSI raid box?
On 14 Nov 2002, Drew Smith wrote:
> In my ongoing quest to monitor my RH8 Dell machines on a hardware
> level, I have been led to an interesting utility:
> From the webpage:
> "The smartmontools package contains two utility programs (smartctl and
> smartd) to control and monitor storage systems using the
> Self-Monitoring, Analysis and Reporting Technology System (S.M.A.R.T.)
> built into most modern ATA and SCSI hard disks. It is derived from the
> smartsuite package, and includes support for ATA/ATAPI-5 disks. It
> should run on any modern Linux system."
> So I downloaded the utilities and tested them on a laptop and on a
> local machine, both with IDE drives. Nice! Works as advertised, and
> gives a pile of very useful information! So, I figured I'd deploy it on
> all my machines... but first, a final test.
> Screw the long story. DO NOT TRY THIS PACKAGE on Dell servers using
> AACRAID controllers! I've got a guy on the way over to the colocation
> facility now, to reboot the Dell 2550 machine which appears to be hung
> solid. Hopefully it comes back up, and I haven't destroyed anything -
> that box isn't in production yet, but it's slotted for production in the
> next couple of weeks. :(
> I don't blame the author of the software at all; this is not a slam by
> any stretch! The software works as advertised, on the IDE systems that
> I tested - however, on the AACRAID platform, with four 72G SCSI drives
> in a pair of mirrors, showing up as sda and sdb. Using 'smartctl -i
> /dev/sda' (iirc) reported that sda was SMART-capable, but that the
> temperature sensors were disabled... issuing 'smartctl -c /dev/sda'
> locked the system *solid*.
> - Drew.
> PS: Any word on when the next OMSA, with RH8 support, will be
> Drew Smith (mux) <drew@...>
> Encrypted e-mail preferred - finger for public key.
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