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#15312 - 24/08/2000 11:46 Is 24.1% non-contiguous good for linux ext2?
hamzy
journeyman

Registered: 11/08/2000
Posts: 51
Loc: TX, USA
empeg:/empeg/bin# fsck /dev/hda4
Parallelizing fsck version 1.14 (9-Jan-1999)
e2fsck 1.17, 26-Oct-1999 for EXT2 FS 0.5b, 95/08/09
ext2fs_check_if_mount: No such file or directory while determining whether /dev/hda4 is mounted.
/dev/hda4 has reached maximal mount count, check forced.
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/hda4: 4935/137792 files (24.1% non-contiguous), 10938174/17633448 blocks

I thought ext2fs was good at keeping files contiguous.

Mark


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#15313 - 24/08/2000 12:18 Re: Is 24.1% non-contiguous good for linux ext2? [Re: hamzy]
altman
carpal tunnel

Registered: 19/05/1999
Posts: 3457
Loc: Palo Alto, CA
ext2 is good at keeping files contiguous, but remember the empeg filesystem is a pretty strange one: a relatively small number (compared to the average unix filesystem) of very large files.

The 24% fragmented means that 24% of the files have at least one fragment. I've seen much higher percentages on my empeg, but there's no problem - for there to be one or two (or even more) frags in a 4-6Mb file is not a problem. The HDDs read at more than 100x the rate needed for playback :)

Hugo



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