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I have some servers with a datacenter all the servers have RAID 10 setup. How do I know when one of the drives is going bad or is bad and needs to be replaced?

EDIT: These servers are unmnaaged and hosted by providers so I don't actually have access to a lot of stuff.

EDIT: found out it was this one: http://www.adaptec.com/en-us/support/raid/sas_raid/sas-3405/

So I need to install this? http://www.adaptec.com/en-us/speed/raid/storage_manager/asm_linux_x64_v6_50_18579_tgz.htm

When installing(new to working with raid) will I have to end a menu and configure stuff or is it like a background service?

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Depends on your raid controller. Some expose the individual drives as sgX devices for SMART. Some you have to use their own tools for monitoring drive/array health. –  DerfK Apr 10 '13 at 4:20
    
@DerfK That's a very good point. Add that as an answer and I'll upvote it. –  Wesley Apr 10 '13 at 17:56

2 Answers 2

You see if the hard drives provide S.M.A.R.T. data, poll it, monitor it, and send alerts based off of it. For example, Nagios can do this, as can many, many other monitoring solutions.

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Without information about the specific host hardware, RAID controllers and drive types, we can't help much.

Perhaps the output of cat /proc/scsi/scsi or lspci may help a bit.

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