Avi Kivity wrote:
Neil Brown wrote:
To my mind, the only thing you should put between the filesystem and
the raw devices is RAID (real-raid - not raid0 or linear).
I believe that implementing RAID in the filesystem has many benefits too:
- multiple RAID levels: store metadata in triple-mirror RAID 1, random
write intensive data in RAID 1, bulk data in RAID 5/6
- improved write throughput - since stripes can be variable size, any
large enough write fills a whole stripe
I rather like the idea of allowing metadata to be on another device in
general, or at least the inodes. That way a very small chunk size can be
used for the inodes, to spread head motion, while a larger chunk size is
appropriate for data in some cases.
Larger max block sizes would be useful as well. Feel free to discuss the
actual value of "larger."
--
Bill Davidsen <[email protected]>
Obscure bug of 2004: BASH BUFFER OVERFLOW - if bash is being run by a
normal user and is setuid root, with the "vi" line edit mode selected,
and the character set is "big5," an off-by-one errors occurs during
wildcard (glob) expansion.
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