Maintenance script: Created page with " === Procedure to enable LSI controler monitoring on Sunfire v20z === We encountered the case of a Sunfire v20z server not managed by Quattor on which we wanted to enable m..."

2015-08-26T12:29:02Z

Created page with " === Procedure to enable LSI controler monitoring on Sunfire v20z === We encountered the case of a Sunfire v20z server not managed by Quattor on which we wanted to enable m..."

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=== Procedure to enable LSI controler monitoring on Sunfire v20z ===

We encountered the case of a Sunfire v20z server not managed by Quattor on which we wanted to enable monitoring of the disk controlers.

*Get the brand and model of the controler :
<pre>
cat /proc/scsi/scsi
</pre>
which gave to us : LSILOGIC Model: 1030 IM.

*Get the version of the operating system :
<pre>
cat /proc/version
</pre>
which in our case indicated RHEL4.

*Go to the constructor's website :
http://www.lsi.com/cm/DownloadSearch.do?locale=EN

and download the drivers for your model and operating system.
*Uncompress the downloaded file. Inside, you'll find a directory ../message/fusion. Copy this directory into /usr/src/linux/drivers.

At this stage, you should have a directory /usr/src/linux/drivers/message/fusion containing the following files :
<pre>
lsi/mpi_type.h
lsi/mpi.h
lsi/mpi_ioc.h
lsi/mpi_cnfg.h
lsi/mpi_raid.h
mptctl.h
</pre>
These files will be used when you will compile mpt-status.
*Download the tarball containing the source files for the tool mpt-status at the following address :
http://www.drugphish.ch/~ratz/mpt-status/

*Uncompress the tarball. Inside you'll find a file mpt-status that you must edit in a way to comment the following line :
<pre>
#include <linux/compiler.h>
</pre>
and then :
<pre>
make
</pre>
Once the make is successfully finished, you should find a binary file mpt-status.

*Before testing the new mpt-status command, you must first load the kernel module mptctl :
<pre>
modprobe mptctl
</pre>
*Simply test the mpt-status command by :
<pre>
mpt-status -s
</pre>
In our case, we got :
<pre>
log_id 0 OPTIMAL
phys_id 0 ONLINE
phys_id 1 ONLINE
</pre>
*As everything works, you can install the files :
<pre>
make install
cp man/mpt-status.8 /usr/share/man/man8
</pre>
*To make sure that the kernel module mptctl will be loaded at each startup of the server :
<pre>
echo "alias char-major-10-220 mptctl" >> /etc/modprobe.conf
</pre>
*To make the check on the disk controler fully automatic, you can create the following script in /etc/cron.hourly :
<pre>
#!/bin/sh

# Check of controler state

ADMIN="grid_admin@listserv.vub.ac.be"

# The return code from mpt-status is a bit mask, and can be interepreted
# according to the following table (current as of 1.2.0):
# Bit Value Meaning
# -----------------------------------------------------------------
# 0 1 Abnormal condition / unknown error
# 1 2 A logical volume has failed
# 2 4 A logical volume is degraded
# 3 8 A logical volume is resyncing
# 4 16 At least one physical disk failed
# 5 32 At least one physical disk is in warning condition

/usr/sbin/mpt-status -s >/dev/null

if [ $? -ne 0 ]
then
# Email out to let use know the disk failed
echo "" | mail -s "Disk drive failure on $HOSTNAME" ${ADMIN} -- -r gridstorage@ulb.ac.be

# Write a message to syslog so big brother can notify operations
logger -p daemon.info "STORAGE ERROR: A failure was detected with the LSI Logic RAID controller or one of the disk drives"
logger -p daemon.info "STORAGE ERROR: Run /usr/sbin/mpt-status to view the status of the storage subsystem"
fi

exit 0
</pre>

And finally, to make the script runnable :
<pre>
chmod 755 /etc/cron.hourly/checklsi.sh
</pre>

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SetupMonitoringControlerSunfireV20z - Revision history

Maintenance script: Created page with " === Procedure to enable LSI controler monitoring on Sunfire v20z === We encountered the case of a Sunfire v20z server not managed by Quattor on which we wanted to enable m..."