Re: How to avoid complete rebuild of RAID 6 array (6/8 active devices)
From: David Greaves <hidden>
Date: 2008-07-14 16:14:44
From: David Greaves <hidden>
Date: 2008-07-14 16:14:44
Matthias Urlichs wrote:
On Sun, 29 Jun 2008 17:58:30 -0400, Bill Davidsen wrote:quoted
Of course build an array out of drives so unstable that you can't safelt *run* a check is another topic.It's a topic that needs to be addressed sooner or later, however. Let's face it, drives do develop bad spots. Tossing a perfectly good drive because 0.0000064% of the data cannot be read is wasteful (assuming a 64-kByte area of an 1-terabyte disk).
I've found that once a disk starts to go bad there is a very strong tendency for it to continue to deteriorate. So I don't replace disks because they have a bad sector; I replace them because I suspect they will fail more as time goes by. Sure, some don't - I don't want to take that chance. David