Benno Senoner wrote:
>
> Hi,
> does anyone of you know how long it takes,
> to e2fsck (after an unclean shutdown) for example a soft-raid5 array of
> a total size of about 40-50 GB
> ( example : 6 disk with 9GB (UW SCSI) )
> assume the machine is a PII300 - PII400
>
> assume that the raid-array is almost filled with data (so that e2fsck
> takes longer)
This is affected by so many different factors,
that it's really impossible for me to give an
estimate for your machine. However, as a guide,
our machine was:
P-II 233 MHz
256 MB RAM
6 * UltraDMA drives with measured throughput
of 16 MBytes/sec
RAID space: 42 GB after formatting
with the drive about 20% full we had fsck times of
20 mins and 33% full of about 30 mins. In both cases,
mounting a clean filesystem took about 2 mins.
Which just goes to show that ext2 is not a suitable
filesystem for large disk arrays. Roll on journalling
in 2.3, I say!
Rich.
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Original message content Copyright © 1999 Richard Jones
