Re: [Bacula-users] backups failed with gethostbyname() error

Hi Tim,

It works now, but it looks like that didn’t work at the time of the backup.

A network problem at that moment, a (dns) server that was down or being rebooted, a power failure with servers running on UPS but one of the switches not, or so?

Anyhow, I would look at the error as a symptom, with the cause somewhere outside bacula. The backup didn’t exactly fail, it couldn’t be started because bacula couldn’t find the server it was supposed to back up.

From: Tim Dunphy [mailto:bluethundr AT gmail DOT com]
Sent: 24 September 2014 18:50
To: Dimitri Maziuk
Cc: bacula-users AT lists.sourceforge DOT net
Subject: Re: [Bacula-users] backups failed with gethostbyname() error

Hey Dmitriy,

Yes, definitely the client host is resolving well in DNS from the bacula server.

Take a look!

[root@ops:~] #host beta-new.mydomain.com

beta-new.mydomain.com has address 162.xx.xx.xx

[root@ops:~] #dig beta-new.mydomain.com

; <<>> DiG 9.3.6-P1-RedHat-9.3.6-20.P1.el5_8.6 <<>> beta-new.mydomain.com

;; global options: printcmd

;; Got answer:

;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35466

;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:

;beta-new.mydomain.com. IN A

;; ANSWER SECTION:

beta-new.mydomain.com. 61 IN A 162.xx.xx.xx

;; Query time: 1 msec

;; SERVER: 172.16.0.23#53(172.16.0.23)

;; WHEN: Wed Sep 24 12:48:16 2014

;; MSG SIZE rcvd: 55

But as mentioned I tried putting the hostname and IP for the remote server I want to backup into the /etc/hosts file on my bacula server. We'll see where that gets us for tonight's run, just in case this was some kind of DNS issue.

Thanks!

Tim

On Wed, Sep 24, 2014 at 12:37 PM, Dimitri Maziuk <dmaziuk AT bmrb.wisc DOT edu> wrote:

On 09/24/2014 10:01 AM, Tim Dunphy wrote:

> 24-Sep 03:11 ops.mydomain.com JobId 218: Error: bsock.c:194 gethostbyname()
> for host "beta-new.mydomain.com" failed: ERR=Name or service not known

In case it's not clear from other posts, this looks like
ops.mydomain.com can't resolve beta-new.mydomain.com and the check is to
run "host" or "dig" beta-new.mydomain.com on ops.

--
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu

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