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Date: | Thu, 27 Mar 2008 11:00:14 +0900 |
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Michael Hannon wrote:
> Greetings. We have a lately had a lot of trouble with relatively large
> (order of 1TB) file systems mounted on RAID 5 or RAID 6 volumes. The
> file systems in question are based on ext3.
>
> In a typical scenario, we have a drive go bad in a RAID array. We then
> remove it from the array, if it isn't already, add a new hard drive
> (i.e., by hand, not from a hot spare), and add it back to the RAID
> array. The RAID operations are all done using mdadm.
>
> After the RAID array has completed its rebuild, we run fsck on the RAID
> device. When we do that, fsck seems to run forever, i.e., for days at a
> time, occasionally spitting out messages about files with recognizable
> names, but never completing satisfactorily.
It would be very interesting to try to replicate the fsck on a single
SATA drive. Several vendors have 1000 Gbyte drives for less than I
recall paying for a Bigfoot.
If needs be, you could stripe two to get the size up, but a single drive
eliminates the complexities of your current setup.
I imaging if a desktop pc took days to fsck, someone would have noticed.
--
Cheers
John
-- spambait
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