From: joel@wam.umd.edu (Joel M. Hoffman) Subject: Re: [Q] Compressed Filesystem? Interest? Date: 26 Jan 1993 23:31:55 GMT
In article <2B5EB4A9.1B6D@tct.com> chip@tct.com (Chip Salzenberg) writes:
>According to joel@wam.umd.edu (Joel M. Hoffman):
>>The idea is that the anti-compressed file system would work in tandem
>>with an ordinary file system. For most uses, you would mount the
>>system as, say xfs. But for backup purposes, you would umount the xfs
>>system, and remount >the same disk partition< as xfs-anti-compress.
>
>I think a better idea is to make compress capable of compressing many
>files with one invocation -- producing an output stream that looks
>something like, say, an afio archive, which is then process by tar in
>lieu of reading the actual files -- thus avoiding process-per-file
>overhead and staying out of the kernel.
But then you have the problem that a corruption of one file will
corrupt following ones. You may as well just
tar | compress | tar +multi-volume
-Joel
(joel@wam.umd.edu)