test utilities

[brad miele]

Hi,

I have been fighting with msa1500/msa20/qlogic/freebsd5 issues for a while 
now, and am trying to nail down where things are going bad. I have 
mentioned this before, my setup is an msa1500 controller with 2 of the 
msa(30?) SCSI shelves and two of the msa20 sata shelves. the sata shelves 
are ADG (i have also used raid5), one lun per shelf, 10 drives w/2 spares. 
My msa1500s and msa20s all have the most recent firmware and the qlogic 
card(isp0: <Qlogic ISP 2312 PCI FC-AL Adapter>) with the ispfw module 
dynamically loaded.

the issues are usually that drives and luns will just take themselves 
offline, mark disks bad, and pannic my freebsd box. the luns are 
invariably fine when brought back up, and after fsck can be used for 
random amount of time before this happens again. syslog shows occasional 
timeouts and resets.

what i want is a tool or tools to help me test the setup from the freebsd 
box through to the san and help me pinpoint the problem area. does such a 
thing exist?

thanks,

Brad
---------------------
Brad Miele
IPNStock.com
bmiele at ipnstock.com