On 2011/03/31 08:29, Marco Peereboom wrote: > On Thu, Mar 31, 2011 at 09:13:41AM +0000, Stuart Henderson wrote: > > On 2011-03-31, Otto Moerbeek <o...@drijf.net> wrote: > > > On Wed, Mar 30, 2011 at 03:45:02PM -0500, Amit Kulkarni wrote: > > >> In fsck_ffs's pass1.c it just takes forever for large sized partitions > > >> and also if you have very high number of files stored on that > > >> partition (used inodes count goes high). > > > > If you really have a lot of used inodes, skipping the unused ones > > isn't going to help :-) > > > > You could always build your large-sized filesystems with a larger > > value of bytes-per-inode. newfs -i 32768 or 65536 is good for common > > filesystem use patterns with larger partitions (for specialist uses > > e.g. storing backups as huge single files it might be appropriate > > to go even higher). > > So this helps a lot to reduce fsck however if you play a lot with the > "tuning" parameters the only thing you tune is less speed. I played > quite a bit with the parameters and the results were always worse than > the defaults.
Typical fsck times on my large partitions holding e.g. music or video go down from hours to minutes. This is enough of a win that I really don't care whether it changes anything at runtime.
