Hans Fugal wrote:
> I just got here, but I'm having a similar issue and I think I may know
> the problem, but not how to fix it.
>
> I have the similar situation: DHCP host without DNS but nmblookup works
> fine. I can do manual backups just fine but no automatic backups are
> happening. The host status is "pings to saruman failed 45 times".
>
> I can't tell why it's failing, but I suspect there's a chicken/egg bug.
>
> The docs say:
>
> 1. For each host and DHCP address backup requests are queued on the
> background command queue.
>
> 2. For each PC, BackupPC_dump is forked. Several of these may be run in
> parallel, based on the configuration. First a ping is done to see if the
> machine is alive. If this is a DHCP address, nmblookup is run to get the
> netbios name, which is used as the host name. If DNS lookup fails,
> $Conf{NmbLookupFindHostCmd} is run to find the IP address from the host
> name. The file /var/lib/backuppc/pc/$host/backups is read to decide
> whether a full or incremental backup needs to be run. If no backup is
> scheduled, or the ping to $host fails, then BackupPC_dump exits.
>
> There is a lot of ambiguity here, but as I read it this is what *should*
> happen in our situation:
>
> wake up
> try to ping host
> try DNS (fail)
> find host with nmblookup (succeed)
> ping IP address
>
> But I'm not convinced it is doing the nmblookup before trying to ping. I
> can't seem to get to any debug output to find out just what is failing,
> but I can verify that ping by IP and nmblookup both work fine.
>
>
I highly doubt it's using nmblookup as it's supposed to, but I got
around that by putting the ips of the hosts in /etc/hosts
I can verify that backups run fine from command line by doing
/usr/share/backuppc/bin/BackupPC_dump -v -f backupclient
They just don't start automatically for some reason.
Russ
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