I presume you have already checked items such as a host file entry that
maybe you made when first installing/debugging Amanda ?
Scott R. Burns
NETCON Technologies Incorporated
Suite 135 - 4474 Blakie Road
London, Ontario, Canada
N6L 1G7
Voice: +1.519.652.0401
Fax: +1.519.652.9275
Web: www.netcontech.com
-----Original Message-----
From: owner-amanda-users AT amanda DOT org
[mailto:owner-amanda-users AT amanda DOT org]On Behalf Of KEVIN ZEMBOWER
Sent: Wednesday, October 19, 2005 11:57 AM
To: amanda-users AT amanda DOT org
Subject: Need help diagnosing hostname problems
I had an amanda setup that worked fine until two weeks ago, when I had to
change the network addresses of all my hosts and move them into a separate
DMZ, using a different, new DNS. Now, I'm not able to get one host to
respond, and the output is puzzling:
amanda@cn2:/tmp/amanda-dbg$ amcheck -c DBackup
Amanda Backup Client Hosts Check
--------------------------------
ERROR: www.jhuccp.org: [addr 10.253.192.205: hostname lookup failed]
Client check: 2 hosts checked in 0.702 seconds, 1 problem found
(brought to you by Amanda 2.4.4p3)
amanda@cn2:/tmp/amanda-dbg$ dig www.jhuccp.org
; <<>> DiG 9.2.4 <<>> www.jhuccp.org
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41347
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.jhuccp.org. IN A
;; ANSWER SECTION:
www.jhuccp.org. 3600 IN A 10.253.192.204
;; Query time: 2 msec
;; SERVER: 10.23.2.10#53(10.23.2.10)
;; WHEN: Wed Oct 19 11:36:58 2005
;; MSG SIZE rcvd: 48
amanda@cn2:/tmp/amanda-dbg$
I'm puzzled by the response in amcheck, "ERROR: www.jhuccp.org: [addr
10.253.192.205: hostname lookup failed]" compared to the correct response in
dig, ";; ANSWER SECTION: www.jhuccp.org. 3600 IN A
10.253.192.204". The IP address that amcheck responded with, 10.253.192.205,
is the IP for the tapehost itself, cn2. Is amcheck complaining that
10.253.192.204 doesn't resolve to www.jhuccp.org (it shouldn't;
www.jhuccp.org is 205), or is it complaining that 10.253.192.205 doesn't
resolve correctly to the name of the tapehost?
I tried to check the debug files generated in /tmp/amanda-dbg/. There were
four files generated from 'amcheck -c DBackup', but none of them seemed to
contain any information regarding this failure.
Thanks for any suggestions or advice in working on this problem.
-Kevin Zembower
-----
E. Kevin Zembower
Internet Systems Group manager
Johns Hopkins University
Bloomberg School of Public Health
Center for Communications Programs
111 Market Place, Suite 310
Baltimore, MD 21202
410-659-6139
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