Veritas-bu

Re: [Veritas-bu] ZFS Filesystem Backups - Tips and tricks

2008-08-08 04:29:17
Subject: Re: [Veritas-bu] ZFS Filesystem Backups - Tips and tricks
From: "Weber, Philip" <Philip.Weber AT egg DOT com>
To: <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Fri, 8 Aug 2008 09:16:14 +0100
Thanks for highlighting this problem to the list, as we for one hadn't
even picked up that our zfs filesystems were no longer backing up.  We
now have the engineering binaries, and our account manager at Symantec
has kindly chased up the TechAlert which should have been issued.

cheers, Phil

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Mark
Glazerman
Sent: 06 August 2008 22:20
To: bob944 AT attglobal DOT net; veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] ZFS Filesystem Backups - Tips and tricks

Fixed !!...

Symantec have outdone themselves (strange to say I know !!).
Engineering created two binaries to replace the bpbkar and bpmount files
in /usr/openv/netbackup/bin.  Once this was done I was able to
successfully backup ZFS filesystems on my test box with ALL_LOCAL_DRIVES
as the only backup selection.  No need to specify all the possible zfs
filesystems on all clients in the policy as I had been doing.  The real
test will come tonight when the policy will try and kick off proper but
I'm confident that they've fixed our issue without the need for
upgrading everything to 6.5.2 !!

Anyone who's had similar issues is advised (by engineering) to contact
support and to reference technote 303000
(http://seer.entsupport.symantec.com/docs/303000.htm) and ask to be sent
the engineering binaries that ARE available.  The binaries appear to
work on both 6.5 and 6.5.1 clients (at least they are on our systems).

Just thought I'd update everyone on a successful resolution to a very
annoying issue.

Mark Glazerman
Desk: 314-889-8282
Cell: 618-520-3401
P please don't print this e-mail unless you really need to

-----Original Message-----
From: bob944 [mailto:bob944 AT attglobal DOT net] 
Sent: Monday, August 04, 2008 3:02 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Cc: Mark Glazerman
Subject: RE: [Veritas-bu] ZFS Filesystem Backups - Tips and tricks

> I didn't say that Exclude lists don't work for directories.  
> I said that Include lists don't work for directories.  [...]

No.  Include lists work exactly the same way as exclude lists;
directories and/or files are valid.  Reference the Veritas NetBackup
System Administrator's Guide, Vol I for syntax rules.

This misunderstanding might be attributed to way the *_list rules are
applied.  Note that an exclude list can only exclude items that are in
the policy's selection list (obviously).  And that an include list can
only include items that were excluded by an exclude list.  (Perhaps
that's the logic in Symantec renaming the include list to "exceptions to
the exclude list.")  Stated another way, the selection list defines the
universe of data to be backed up.  Excludes subtract from the universe.
Includes reinstate only items from the set of excluded items.

You can see the processing steps in the client's bpbkar log.  Logging
level 0 will show each directive as it is encountered; level 1 and
higher will show the process more clearly via the PrintFile lines.  From
that I can infer the reason the rules are as they are (above):  bpbkar
processes the selection list and only mentions exclude_list items when
they match its current path; include_list entries are only mentioned
when they match the current exclude_list item.

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