On Fri, 17 Apr 2009, Ross Walker wrote:
> Time to format isn't really an issue as it is done once before being
> put into production. The biggest concern is processing performance and
> time to fsck as well as data integrity and recoverability.
Listen, when you're talking a multi TB or PB file system it *is* an issue
I assure you. With disk sizes growing like they are it is only going to
get worse. This is a concern for a great many of us.
> Besides XFS allocates inodes on the fly, that's why it's so fast
> formatting, but why ext4 is a little faster processing.
EXT4 is in a few edge cases faster due to this, but XFS is still very fast
in almost all other scenarios despite this.
--
James A. Peltier
Systems Analyst (FASNet), VIVARIUM Technical Director
Simon Fraser University - Burnaby Campus
Phone : 778-782-6573
Fax : 778-782-3045
E-Mail : jpeltier@xxxxxx
Website : http://www.fas.sfu.ca | http://vivarium.cs.sfu.ca
http://blogs.sfu.ca/people/jpeltier
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The point of the HPC scheduler is to
keep everyone equally unhappy.
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