Faster mkfs.ext3
Andreas Dilger
adilger at clusterfs.com
Thu May 3 11:48:23 UTC 2007
On May 02, 2007 14:16 -0400, David Shaw wrote:
> I'm currently working with a testing system that involves running
> mkfs.ext3 on some pretty large devices on a regular basis. This is
> getting fairly painful, and I was wondering if there was some way to
> speed this up. Understood that the end result might be a filesystem
> that has less of a safety factor (say, fewer superblock backups) but
> the tradeoff might be worth it in this case.
Do you actually need to use the whole filesystem afterward? Is the
performance of the filesystem a critical feature?
If not, then you can use "mke2fs -J size=4 -O lazy_bg ..." to make
a smaller journal (to avoid zeroing it out) and not zero out the
inode tables.
Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.
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