On Wednesday, August 17, 2011 11:49:16 PM Alex Schuster wrote: > Grant writes: > > >> > Can I reserve 0% for root on my USB hard drive which is only > > >> > used for backups and does not contain an OS? > > >> > > >> Yes: > > >> > > >> mke2fs -m 0 /dev/usb-drive > > > > > > Although a value > 0 helps against fragmentation. And when > > > rdiff-backup has failed because it ran out of space, regressing to > > > the previous sane state will need a little free space. > > > > Good points. Should 10GB (1% of 1TB) do it? > > This I don't know. I use this value for large partitions of multimedia data, > because I do not want to waste space (no matter how big the drives are, > mine are always quite full), and performance should not be a big issue > here. I keep the 5% default other partitions, like /home. BTW, you can also > specify fractions like 0.5% if you like.
I tend to leave it at default for most partitions. Only the ones serving the fileshare have it set to 0%. But these are on LVM partitions and I can increase their size when needed. > Another thing: Be sure to have enough inodes on the file system, I have run > out of them in the past. Not only once. I usually run out of these during installation time when I use ext2/3 filesystems for the portage tree. That's why I tend to use reiserfs for that. -- Joost
