Messages in this thread | | | Date | Mon, 23 Feb 1998 01:15:11 +0200 (EET) | From | Nahshon <> | Subject | Re: New Feature Idea: Compress swap file |
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In the old days of BSD 4.1 I have successfully created and mounted a read-only file system on one of these 1/2 intch tapes. I did not need to modify even a single line in the BSD 4.1 kernel code.
Yes. it was possible to format the tape with 1K blocks and have direct access (seek) to each block. mkproto was used to create the file system image.
I could really execute a program off that file system and the tape was rolling every time that it needed to page-in something.
Mounting read-write was not practical because it needed to keep atime uptodate (the "noaccesstime" option was invented later).
Anyway, if you can create a tape block device (it must support random-access to any block) then there is no reason why you cannot use it for swap, or to mount a file system. I doubt if that can be done efficiently on newer tape systems, they are designed for streaming and not to start and stop on a spot.
Itai
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