Re: Filesystems -- was: Linux in a School envrionment

[Adam Tauno Williams <adam@xxxxxxxxxxxxxxxx>]

>>>password or shadow file either, but I am not sure here. For making
>>>backups you had to add the cpio-user to all the files were access was
>>>needed.System backups were made by locksmith.
>>Interesting,  but how do the ACLs themselves get backed up? (So that
>>they get restored like standard file permissions).   It seems your
>>backup utility would have to know about how to process and ACL, and tar
>>and its ilck certainly don't.  This is one reason I like the trustee
>>system, where ACL's are seperate from the filesystem and stored in a
>>file, but that doesn't seem to be where things are going.
>I am not certain any more, its to long ago (1989). I have contacted the
>sysadmin who was responsible at that time for most of the systems, but
>he can't remember either. We both believe the acl's were in a separate
>database. Tapes could be made and read by tar and/or cpio. Afterwards
>some acl command could be applied to write the acls to files read-in. I
>suppose there was a special backup command for the
>acl tree. I might be possible that there is some Aegis systemadmin book
>available somewhere. But that can take some time to locate. We both have
>joined different employers. So before I start such a search I really
>would like to know if the need for this information is critical, because
>it will take some time and quite some efford.
>Please let me know how urgent this information to you is.

It isn't critical at all.  Not even certain that XFS bears any resemblence to
Aegis (which is either "age" or "stone" in Latin, BTW, I can't remember that
either).   I'm seriously considering moving to XFS soon and want to get my mind
around such things.

Systems and Network Administrator
Morrison Industries
1825 Monroe Ave NW.
Grand Rapids, MI. 49505