Linux SAN Reference

From Olden Timey Wiki

Abandon hope all ye who enter here.

Overview

{Intro: luns, wtf?)

{Commands: rescan scsi bus, reload drivers, scan for luns}

Configuration

{Configuration: modules|modprobe.conf, max_luns}

Tips

{Tips: mkinitrd, simplify, search, Linux and luns}

Troubleshooting

{Errors: no link? cabling, fragility, quality, duplicate wwns, failed negotiation?}

System files/devices

/proc/scsi/scsi

/proc/scsi/qla

Qlogic HBAs

.. {/proc strucuture ql2xxxfailover=0, ports}

PowerPath

{Multipathing: PowerPath {provisions,pro/con vs lvm}, }

Linux MP

..

WWNS

{About wwns, not trusting them, serial numbers, duplicates, flashing}