Dell PowerEge 2850 and RAID

Danny Cooper freebsd at as9105.com
Wed Jun 22 14:26:55 GMT 2005


We have the PE2850 with PERC 4e/Di controller but this can not be monitored
through FreeBSD, I am currently looking at a Drac4 to send traps out to
another server for monitoring purposes.

Danny



-----Original Message-----
From: owner-freebsd-hardware at freebsd.org
[mailto:owner-freebsd-hardware at freebsd.org] On Behalf Of Alex Zbyslaw
Sent: 22 June 2005 14:49
To: freebsd-hardware at freebsd.org
Subject: Dell PowerEge 2850 and RAID

I'd really like to get some concrete information about RAID management 
under FreeBSD/i386 (5.4) on a Dell PowerEdge 2850.  I don't have this 
machine, but it is looking very likely that a client will be getting one 
and I'd like to have positive things to say about running FreeBSD on it.

My major concern is how to monitor the RAID status without resorting to 
looking at the LEDs flash on the disks (*).  Ideally, I'd like to be 
able to run something from a cron job which told me that everything was 
OK.  If errors were logged to /var/log/messages or similar, that would 
be a nice plus.

As far as I can tell, the machine could have either an LSI 53C1030 
controller or a Dell PERC 4e/Di controller.

For the LSI I can see that it is supported by the mtp driver, but can 
find nothing else.

For the Dell PERC 4e/Di (a different LSI, I believe) it seems to be 
supported by the amr driver and I have found various references out 
there to these working under FreeBSD, but nothing specifically about 
monitoring the RAID.

If anyone can provide some concrete information, I'd be grateful.  I 
have also explored the Dell and LSI sites, but neither appear to let you 
browse their downloads unless you are a registered customer.

Thanks,

--Alex

(*) For a short saga on a RAID which didn't, and no-one knew about it, 
see 
http://lists.freebsd.org/pipermail/freebsd-questions/2005-June/090786.html

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