256MB is not considered very large, not even for ext2fs. Ext2fs
does however skip to another block group every X blocks (1MB
on 1k systems?). This seek time is very small however, so
it shouldn't really matter.
(big files start at 2G :)
> If possible this f.s. must to support the I/O asinchronous.
Glibc allows async I/O.
> Do you know any f.s. which has all/any of these characteristics?
Linux/ext2fs + glibc should be good enough. Use RAID and
1MB readahead for video streaming...
If you need _really_ highend, you'd better get a machine
with IRIX/XFS :)
Rik.
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