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Old 01-08-2008, 09:21 PM   #1
Registered: Aug 2004
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scsi raid is noisy

I have finally set up an lvm-on-raid system and I did it using 4 scsi drives. Even when the system is pretty much idle,the drives seem to spend a lot of time doing things, from the sound of them, and I'm concerned they might be wearing themselves out. How can I make sure the drives aren't working any more than they should, so I can make them last as long as I can?

I'm using Debian, the drives are IBM IC35L036UWDY10-0 68-pin ULTRA320, 10k rpm, the SCSI controller is Symbios 53c875. The array looks kind of like this:
md0 is raid1 for /boot files
md1 is raid5 for the system and has 3 active, 1 spare drive. lvm01 is partitioned 6 ways. As far as I can tell, everything is working as it should, it's just the sounds of the drives working that make me think...they're thinking too much!

So what can I check, or is this to be expected?
Old 02-10-2008, 11:48 AM   #2
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I subscribed to this shortly after you posted yet, but no other replies. -- Did you ever figure out an answer?

"Enquiring minds want know"
Old 02-10-2008, 03:53 PM   #3
Registered: Aug 2004
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Originally Posted by archtoad6 View Post
"Enquiring minds want know"
Tell me about it. No, no replies, etc. The sound is not scary, like one drive I had: it just make a faint whine every few seconds and if I put a stethescope on the case, it sounds like the popping of the last few popcorn kernels in the microware. I installed "hddtemp" which is a utility that (yeah, you guessed it) shows the temperature of the hard drives. I haven't seen them go above 40F which is well below their max., so I'm not worrying too much. I've tried dropping drives from the RAID array and adding them back, etc and it doesn't change the sounds, so I'm thinking things are okay.


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