On Monday 20 of February 2012 14:41:33 Olivier Bonvalet wrote: > On 20/02/2012 14:20, Hubert Kario wrote: > > On Monday 20 of February 2012 13:51:29 Olivier Bonvalet wrote: > >> Hi, > >> > >> I'm trying to convert two ext4 FS to btrfs, but I'm surprised by the > >> time needed to do that conversion. > >> > >> The first FS is on a 500GiB block device, and btrfs-convert is running > >> since more than 48h : > >> root 1978 25.6 47.7 748308 732556 ? D Feb18 944:44 > >> btrfs-convert /dev/vg-backup/backup > >> > >> The second is on a 340GiB block device, and the processing time is > >> similar : root 30192 5.2 3.0 73180 61520 pts/0 R Feb18 > >> 121:04 btrfs-convert /dev/vg-balor/backup > >> > >> > >> Is it "normal", or is there a problem during the processing ? > >> > >> Thanks, > >> Olivier > > > > How much free space did those FS have? How many files were on them (was > > they dominated by small or large files)? > > > > Regards, > > Lot of small files (like compressed email from Maildir), and lot of > hardlinks, and probably low free space (near 15% I suppose). > > > So I think I have my answer :) >
Yes, this is probably the worst possible combination. Plese keep us updated. Just to have exact numbers for new users. Regards, -- Hubert Kario QBS - Quality Business Software 02-656 Warszawa, ul. Ksawerów 30/85 tel. +48 (22) 646-61-51, 646-74-24 www.qbs.com.pl -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
