[CentOS] 8-15 TB storage: any recommendations?

Chan Chung Hang Christopher christopher.chan at bradbury.edu.hk
Wed Jan 13 14:12:16 UTC 2010

> On the machine where I had the problem I had to run memtest86 more than a day to 
> finally catch it.  Then after replacing the RAM and fsck'ing the volume, I still 
> had mysterious problems about once a month until I realized that the disks are 
> accessed alternately and the fsck pass didn't catch everything.  I forget the 
> commands to compare and fix the mirroring, but they worked - and I think the 
> centos 5.4 update does that periodically as a cron job now.  The other worry is 
> that when one drive dies, you might have unreadable spots in normally unused 
> areas of the mirror since this will keep a rebuild from working - but the cron 
> job should detect those too if you notice the results.

I am going to take a good look at the cron jobs on the moodle box then. 
Need to check whether the ubuntu box does the same. Man, if only I had a 
Centos cd when the previous gateway died...

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