[1541] in Kerberos

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Re: Backing up a Kerberos server

daemon@ATHENA.MIT.EDU (David Joyner)
Wed Sep 4 11:56:50 1991

Date: 4 Sep 91 13:56:44 GMT
From: david@unity.ncsu.edu (David Joyner)
To: kerberos@shelby.Stanford.EDU

In article <9109040433.AA00817@bill-the-cat.MIT.EDU> Raeburn@MIT.EDU (Ken Raeburn) writes:
>
>   If the master Kerberos database gets corrupted during an update and the
>   problem goes unnoticed the slaves will be propagated with a corrupt
>   or at least damaged database.  Since the slaves' database was your
>   backup, you're in big trouble...
>
>Running with inconsistent databases isn't as serious a problem, but is
>likely to be extremely annoying.  A user might have to run "kinit" or
>attempt to log in several times if the master is being slow, because
>they'll have to try a couple different passwords, and hope they get
>the right one for the machine that happened to answer each time.  It's
>best to try to minimize this lossage.
>
>What sort of database integrity checks would you make before running
>the propagation manually?

I wasn't proposing database integrity checks.  The point I was trying to
make is that if you "backup" your kerberos servers as described, your
backup copies can be wiped out with a single kprop.

-- 
David B. Joyner                                     david@unity.ncsu.edu
Unix Systems Programmer                                     -or-
NCSU Computing Center                               david_joyner@ncsu.edu

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