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Absent Member.
Absent Member.
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DBCopy backup off box challenges

Backstory: I've been struggling with a reliable GW Linux POA backup for
a bit now. We've had issues aligning backup software support with the
linux kernel versions/agent support, etc. Finally have settled on DBcopy
to move the files off POA, then out to tape for longer retention. The
thought being that once I have a file set, I can do whatever is needed
to meet our retention rules. Total data between the 3 Linux POAs is 650GB

I've worked up a dbcopy script, that meets our needs. Full, daily
changes, rsync, etc. I am happy with this.

Initially, I was sending the copy to a SMB mount on the windows backup
server, but it didn't work well. Backup jobs would hang, it was slow, etc.

Moved the copy destination to a Synology NAS NFS export, which is a
Linux variant. DBcopy/NFS/pure linux works well. Fast, reliable, no
issues. The problem is then pulling the millions of little files off the
Synology via SMB to the backup server (tape or disk) takes way too long.

My most recent attempt was to setup a Windows server and enable NFS
services for the destination. The problem is that DBcopy will not write
to the windows NFS export. There is no rights issue, files can be
created/edited/deleted without issue on the export, but DBcopy fails
with this error:

Error: Opening log file '' failed

My backup script puts the log file on the NFS Export, updates it, and
logs the DBcopy failure.

Internet search reveals this TID:
https://www.novell.com/support/kb/doc.php?id=7007410

The problem is that the solution of that TID is the scenario that I have
experienced the error message in.

Has anyone else seen this? Anyone have any advice for a DBcopy
destination solution?

Thanks!
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Re: DBCopy backup off box challenges

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Micro Focus Expert
Micro Focus Expert

Re: DBCopy backup off box challenges

Hi,

Apologies for the slow response.

Perhaps give us the command you are using to create the mount point for the Windows server on your Linux box.

Cheers,
Laura Buckley

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Micro Focus Expert
Micro Focus Expert

Re: DBCopy backup off box challenges

Hi,

OK, I found my notes on mounting via cifs to a Windows server for using DBCopy:

mount –t cifs –o username=administrator,password=password,ip=ipofwinserver,noserverino //ipofwinserver/d$ /mnt/mountpoint 


The Linux mount point must exist before executing the command.

Perhaps that's of some help to you?

Cheers,
Laura Buckley

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Absent Member.
Absent Member.

Re: DBCopy backup off box challenges

Not CIFS, I am using windows NFS.

mount -t nfs <windowsserverip>:/GroupWiseBackup /mnt/groupwisebackup

The mount can be successfully written to by everything BUT dbcopy.


On 11/14/2016 12:56 AM, laurabuckley wrote:
>
> Hi,
>
> OK, I found my notes on mounting via cifs to a Windows server for using
> DBCopy:
>
>
> Code:
> --------------------
> mount �t cifs �o username=administrator,password=password,ip=ipofwinserver,noserverino //ipofwinserver/d$ /mnt/mountpoint
> --------------------
>
>
> The Linux mount point must exist before executing the command.
>
> Perhaps that's of some help to you?
>
> Cheers,
>
>


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Micro Focus Expert
Micro Focus Expert

Re: DBCopy backup off box challenges

Hi,

My apologies. I tend to only use CIFS as that always seems to work perfectly for me.

Cheers,
Laura Buckley

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Knowledge Partner
Knowledge Partner

Re: DBCopy backup off box challenges

In article <bxHUz.649$HN1.274@novprvlin0913.provo.novell.com>, Unsigned
wrote:
> Initially, I was sending the copy to a SMB mount on the windows backup
> server, but it didn't work well. Backup jobs would hang, it was slow, etc.


Which part was slow? The DBcopy to this mount, or the resulting backup of
the files from that volume on the backup server?

If the DBCopy, I'd take a gander at a packet capture of that data flow to
see what is happening there.
Compare with a strait copy (cp) to the same space as most files will move
just fine and give you a good comparison with the same data set.
While doing both, watch resource (CPU and RAM especially) on both boxes,
making sure neither has to dig deep into swap to do this.

If it is the backup itself, then beat up the backup vendor because there is
nothing odd or different about the GroupWise files that many backup
solutions have no problems with.


Andy of
http://KonecnyConsulting.ca in Toronto
Knowledge Partner
http://forums.novell.com/member.php/75037-konecnya
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