Am Samstag, 11. Mai 2013, 17:57:11 schrieb Tim Eggleston: > > Yes. The command just triggers the defragmentation which takes place > > in the > > background. Try a "sync" afterwards :) > > Sorry Martin, I should have specified that I wondered if it was like > the scrub operation in that respect, so I left it several hours before > running filefrag again (and seeing that the number of extents was > unchanged). Top and iostat also don't report any particular activity > immediately after running the defrag command, so it doesn't look like > much if anything is happening.
Hmmm, thats strange. Last time I tried it here, it worked. > By the way, this is on a filesystem mounted with -o autodefrag, > although per the docs I wasn't expecting the auto defragmentation to > work with the big VM images. This worked here to some extent with Virtualbox images which quickly got up to several ten thousands extents. -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
