When good disks go bad
Preventing and recovering from disk failures
From the developerWorks archives
Date archived: May 13, 2019 | First published: September 20, 2011
It's never a matter of if a disk will fail, but when. So, what do you do when you're awakened at 2 o'clock in the morning because of file system, LVM, or SAN errors on an IBM AIX server? Or, better yet, how do you prevent them from waking you up in the first place? This article looks at strategies for managing disk resources to maximize availability, performance, and redundancy and provides techniques on how to recover from failures when good disks go bad.
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