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3ware RAID server

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Old 05-08-2012
3ware RAID server
We have a 3ware RAID server at work, and as the appointed systems administrator (by virtue of being the one with the most knowledge) I've taken on the job of maintaining it. I've installed smartmontools on it to keep an eye on the drives and run scans every day, and looking at the data from the primary OS drive has me concerned. The raw_read_error_rate is currently at 65537, whereas the rest of the drives have a value of 0.

The OS has 2 400GB drives in RAID-1, and the rest of the drives are RAID-5.

A couple of questions I have are:
1. Should the drive be replaced, even though the last 21 test have returned no error?
2. Can the server be booted from the mirror drive in order to rebuild the primary drive?

Many thanks
Last edited by Krendoshazin; 05-08-2012 at 09:38 AM.. Reason: Forum screwed up post
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LEARN ABOUT DEBIAN

raidfile.conf

RAIDFILE.CONF(5)						    Box Backup							  RAIDFILE.CONF(5)

NAME

       raidfile.conf - Userland RAID for Box Backup

SYNOPSIS

       /etc/box/raidfile.conf

DESCRIPTION

       The raidfile.conf is usually generated by raidfile-config(8) but may be manually edited if the store locations move or if more than one
       disc set is required.

       discX
	   Specifies a set of discs.

	   SetNumber
	       The set number of the RAID disc, referenced by each account.

	   BlockSize
	       The block size of the file system (usually 2048). Under BSD with FFS, set this to your file system's fragment size (most likely an
	       8th of the block size).

	   Dir0
	       The first directory in the RAID array.

	   Dir1
	       The second directory in the RAID array. If you do not wish to use the built-in RAID functionality, this field should be set to the
	       same as Dir0. You should not use the built-in RAID if you have a hardware RAID solution or if you're using another type of software
	       RAID (like md on Linux).

	   Dir2
	       The third directory in the RAID array. The same notes that apply to Dir2 also apply to Dir3.

FILES

       /etc/box/raidfile.conf

SEE ALSO

       raidfile-config(8), bbstored.conf(5)

AUTHORS

       Ben Summers

       Per Thomsen

       James O'Gorman

Box Backup 0.11 						    10/28/2011							  RAIDFILE.CONF(5)