Re: IBM x3550 M3 with Debian Squeeze not detecting disks on installation

2011/12/29 Camaleón <noelamac@xxxxxxxxx>:
On Thu, 29 Dec 2011 12:41:25 -0300, Mauro Sánchez wrote:

2011/12/29 Camaleón <noelamac@xxxxxxxxx>:
On Thu, 29 Dec 2011 10:31:28 -0300, Mauro Sánchez wrote:

Camaleon, the configuration with one disk uses JBOD. I have tried
Debian Stable with only one disk, RAID 1, RAID 5 and LVM. None of them
worked.

Did you try to partition and format the disks from Gparted?

Camaleon,
I created a partition of 10 GB with Gparted. Then I started to install
Squeeze but when is installing the base system it hangs up at 17% with
the following errors catched from the dmesg:
megasas: RESET -4637 cmd=2a retries=0
megasas: waiting for 1 commands to complete
megasas: failed to do reset
megasas: cannot recover form previous reset failures

And other errors of the I/O type.

Ugh... that sounds like the RAID controller is hanging/resetting very badly
or the driver is behaving weirdly :-(

It can be then a bug in the megasas kernel module and Google finds *lots*
of similar errors for that same driver, and curiously, xen kernels:

http://www.google.com/webhp?complete=0&hl=en#hl=en&tbo=1&complete=0&site=webhp&tbs=qdr:y&q=LSI+megasas:+RESET+-4637+cmd%3D2a+retries%3D0&tbo=1&bav=on.2,or.r_gc.r_pw.,cf.osb&fp=e8f1b276e45aa3ef&biw=1280&bih=888

I wouldn't discard this is still happening on wheezy... although the
installer can succeed, what will happen once the system enters into
high load? Will the driver experience the same problems?

Hello Camaleon.
I have installed debian testing and then installed xen-linux-system
and boot from its kernel. Till now everything just works fine. What
kind of tests would you suggest me for high load activity with the
controller?

Are you using the NET ISO image to install Debian? If no, I would do a
final try using it, just to discard bad media and/or DVD read errors.

I tried with the net iso and the iso cd, just to be sure it wasn't a
media error. Thanks for asking anyway.

Greetings,

--
Camaleón
Greetings,
Mauro.


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