> However, with large filesystems, you could be looking at a lengthy fsck > process in the event of an unclean shutdown. Some say it can take days > on really large raid arrays, but fsck's on my 0.5 terabyte ext3 FS, > which has a nearly identical on disk structure as ext2, takes 8 minutes. Probably because they used e2fsprogs lower than version 1.35 or somewhere around that. Upgrading meant huge improvements in the time needed to do fsck.