SUMMARY: Backup while in multi-user mode

[Peter da Silva]

In article <2458 at cluster.cs.su.oz.au> yar at cluster.cs.su.oz (Ray Loyzaga) writes:
> Restore -i is pretty cute, particularly as our users rarely know the
> complete path name of a file accurately,

We can just grep the backup.log file. We have to do that to find the volume
number anyway.

> and dump is faster ...

That's probably true.

> What does cpio do if it receives a name from find that has just been removed?

Continues.

> How about directories?

Ditto.

> Do you have to read the entire cpio file to
> know if a file is on it (assuming no TOC held on a disk)?

We keep a list of files on disk.

> Does -newer just check the modification time, if so you might miss some files that
> have been touched backwards, it should use the inode change time.

Newer uses the modification time. I believe we use the inode change time
(we don't actually use find, but rather use a faster special-purpose program).
-- 
Peter da Silva; Ferranti International Controls Corporation; +1 713 274 5180;
Sugar Land, TX  77487-5012;         `-_-' "Have you hugged your wolf, today?"