On 3/27/11 6:28 AM, Christian Brandt wrote: > Situation: External 500GB drive holds lots of snapshots using lots of > hard links made by rsync --link-dest. The controller went bad and > destroyed superblock and directory structures. The drive contains > roughly a million files and four complete directory-tree-snapshots with > each roughly a million hardlinks. > > Tried > > e2fsck 1.41.12 (17-May-2010) > Benutze EXT2FS Library version 1.41.12, 17-May-2010 > > e2fsck 1.41.11 (14-Mar-2010) > Benutze EXT2FS Library version 1.41.11, 14-Mar-2010 > > Symptoms: fsck.ext4 -y -f takes nearly a month to fix the structures on > a P4@2,8Ghz, with very little access to the drive and 100% cpu use. Does that mean very little access to -this- drive or to -any- drive? IOW, are you swapping madly? -Eric > output of fsck looks much like this: > > File ??? (Inode #123456, modify time Wed Jul 22 16:20:23 2009) > block Nr. 6144 double block(s), used with four file(s): > <filesystem metadata> > ??? (Inode #123457, mod time Wed Jul 22 16:20:23 2009) > ??? (Inode #123458, mod time Wed Jul 22 16:20:23 2009) > ... > multiply claimed block map? Yes > > Is there an adhoc method of getting my data back faster? > > Is the slow performance with lots of hard links a known issue? > -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
