Messages in this thread | | | Date | Fri, 26 Feb 2010 19:28:40 -0600 | From | Eric Sandeen <> | Subject | Re: EXT4 is ~2X as slow as XFS (593MB/s vs 304MB/s) for writes? |
| |
Eric Sandeen wrote: > Justin Piszcz wrote: > ... > >>> Were the filesystems created to align with raid geometry? >> Only default options were used except the mount options. If that is the >> culprit, I have some more testing to do, thanks, will look into it. >> >>> mkfs.xfs has done that forever; mkfs.ext4 only will do so (automatically) >>> with recent kernel+e2fsprogs. >> How recent? > > You're recent enough. :)
Oh, you need very recent util-linux-ng as well, and use libblkid from there with:
[e2fsprogs] # ./configure --disable-libblkid
Otherwise you can just feed mkfs.ext4 stripe & stride manually.
-Eric
| |