[SunRescue] Tape drive

[Joshua D. Boyd]

Can you make the things keep a complete journal of all changes, so that
you can effect roll back the clock to any previous state?  I've always
wanted a file system that could do that.  I've seen a few that kinda did
what I wanted, but they were kinda strange.  More like an NFS serverlet
strapped onto the front of a code revision system.  Maybe someday I'll
write my own.  From what I've seen, if could be written as a NFS server
without to much trouble.  Then, you just mount the NFS file system locally
as something like /home.  Then, no matter how stupid your users are, you
could probably restore any mistakes they make. 

--
Joshua Boyd

On Sat, 19 May 2001, Bill Bradford wrote:

> On Sat, May 19, 2001 at 06:45:43PM -0500, Bill Bradford wrote:
> > They simply DO NOT BREAK.  
> 
> Oh, the other thing - built-in filesystem snapshots.
> 
> Say you've got something in a NetApp-mounted directory, that you 
> accidentally deleted:
> 
> On a netapp:
> 
> # rm passwd
> # ls passwd
> passwd: No such file or directory
> 
> "oops"
> "oh shit"
> 
> # cd .snapshot
> # cp passwd ../
> # cd ..
> # ls -al passwd
> -r--r--r--   1 root     sys         2398 May  9 13:51 passwd
> # 
> 
> "yay"
> 
> You can have it snapshot the filesystem once an hour, once a day,
> etc... and you can have multiple snapshots, as well, if you need
> to get an older version of a file..
> 
> Bill
> 
> -- 
> Bill Bradford
> mrbill at mrbill.net
> Austin, TX
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