Ext4

Eric Sandeen sandeen at redhat.com
Fri Feb 20 20:38:19 UTC 2009


Chuck Forsberg WA7KGX N2469R wrote:
> I have been using ext4 on the omen.com server since I installed
> Fedora 10 on it shortly after the release of Fedora 10.  My
> main test system also uses ext4 most of the time.
> 
> I have seen the  ext4 benefits including dramatically faster
> fsck times on large file systems.
> 
> The only issue I've seen is the long time it takes to unmount a
> file system, even one that has been inactive for a few minutes.

Do you see that every time you unmount?

Thanks to delayed allocation there may be a fair amount of IO waiting,
but that should get pushed via pdflush within a minute ...

-Eric




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