Upgrade path?

b19141 at anl.gov b19141 at anl.gov
Mon Jun 14 13:54:05 UTC 2010


>sasa sasa <sasasa20066 at yahoo.com> wrote:
>
>Hi list,
>
>Is it ok to upgrade from 9.4.2 to 9.7.0-P2 directly? 
>i mean i already have 9.4.2, i can install latest one with ./configure,
>make and make install, is there a problem with this steps?
>
>please note i already tried it and it worked fine on a cache-only DNS.

The way I have BIND installed on Solaris (and soon to be on Ubuntu)
is this:  In the

     named

directory I have symbolic links:

     bind -> bind-9.7.0-P2
     dig -> bind/bin/dig
     named -> bind/sbin/named
     host -> bind/bin/hos
     et alii for the other executables.

When I did the "make install" for bind-9.7.0-P2, the "bind" symlink
pointed to the production

     bind-9.7.0-P1

and the only drawback was that for the few minutes while the "make
install" was running, I had to point the bind symlink to the new
directory.  As soon as that finished, and I did an "ldd" on all of
the executables as a check, I moved the symlink back to bind-9.7.0-P1.
When it was time to put -P2 in production, all I had to do was

     rndc stop
     rm bind
     ln -s bind-9.7.0-P2 bind
     ls -al bind
     Start named via a script in /etc/init.d .

If I had found problems with -P2, I could easily have reverted back
to -P1.
----------------------------------------------------------------------
Barry S. Finkel
Computing and Information Systems Division
Argonne National Laboratory          Phone:    +1 (630) 252-7277
9700 South Cass Avenue               Facsimile:+1 (630) 252-4601
Building 240, Room 5.B.8             Internet: BSFinkel at anl.gov
Argonne, IL   60439-4828             IBMMAIL:  I1004994



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