[nycbug-talk] RAID controllers - what doesn't suck?
Mon Sep 13 18:27:43 EDT 2004
On Mon, 13 Sep 2004, O_Sleep wrote:
> I have been using dell pe 1650's with freebsd. They have rebranded adaptec
> SCSI RAID cards. Haven't had a large enough number of drive failures to
> raise concern. Are you using the aacli utility?
What brand of drives are you running?
For minimal management tasks without going into "SMOR", I use the raidutil
client, which is supplied by Adaptec. It's one application that I wish
had the MS-like "Are you sure (y/n)?" prompt when you do something stupid
like typo "rebuild" when you mean "build". :)
> -Bjorn Nelson
> On Sep 13, 2004, at 4:29 PM, Charles Sprickman wrote:
>> Hi all,
>> Looking for some feedback from people using low to midrange SCSI RAID
>> controllers under FreeBSD (but other *BSD input would be useful as well).
>> Last time I shopped, Adaptec seemed like the best value for the money. But
>> since installing a number of these, I'm rethinking that. The most annoying
>> problem I've run into is the controller just marking drives as bad. If I
>> reboot and ask it to build back onto the "bad" drives, all is well for
>> quite some time. Most of the drives are IBM, bought before people started
>> noting that IBM drives are garbage.
>> This of course leads to troubleshooting hell... Checking the firmware on
>> all the drives and then digging up a windows box and scsi card to "flash"
>> the drives, double and triple checking the scsi chain is terminated
>> properly, hoping that the SCA backplane isn't hosed, etc. Time consuming
>> and a lot of mixed results. Part of me just thinks this is an issue with
>> the IBM drive, but then again, the drives work fine standalone. In a few
>> days I'm taking one problematic system down and junking all the IBM drives
>> for some new (and larger) Seagates. So if that makes everything "OK", I'll
>> stick with Seagate.
>> One other question... I'm going to be setting up a new shell server that
>> also serves up a decent amount of ~user webpages. That too will need a
>> RAID controller. I'm not really up on what advantages SATA has over normal
>> IDE drives, but I wonder if perhaps SATA RAID would be sufficient in this
>> case? Lots and lots of random reads, not very sequential. Opinions?
>> Charles Sprickman
>> Bway.net - New York's Best Internet - www.bway.net
>> spork at bway.net - 212.655.9344
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