Veritas-bu

Re: [Veritas-bu] HPUX catalog images are huge

2008-05-15 17:28:49
Subject: Re: [Veritas-bu] HPUX catalog images are huge
From: Jeff Cleverley <jeff.cleverley AT avagotech DOT com>
To: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
Date: Thu, 15 May 2008 15:14:11 -0600


Justin Piszcz wrote:


On Thu, 15 May 2008, Jeff Cleverley wrote:

Greetings,

I just found out that a new 6.5.1 installation I set up in Singapore filled up the database.  The new database file system is 3x larger than the 5.0 server this replaced.  We did a new server installation and not an upgrade migration so the database was clean.

When I went looking at the disk usage I found most of the disk space being used by images on 3 hpux servers.  Two of the servers are network clients and the other is an Enterprise client backing up over the SAN.  The space used by the hpux Enterprise client is 5x the amount of space used by a linux Enterprise client with roughly the same amount of storage and used inodes. The linux box is probably the more heavily used system and should have a similar rate of change, if not more, than the hpux servers.

The sizes were roughly 9 gig for the linux client and 45 gig on the hpux client.  This includes compressing data after 15 days.  The old 5.0 database file system was only a 40 gig file system and everything fit using compression after 30 days.  This means my image usage has increased by about 6X

The only changes that I know were made between the old environment and the new is that TIR with move detection was implemented.  This was applied to all clients and not just hpux.  Other than that, everything else is the same. Any ideas why the hpux images are so large? Thanks,

Jeff

-- 

Jeff Cleverley
Unix Systems Administrator
4380 Ziegler Road
Fort Collins, Colorado 80525
970-288-4611
jeff.cleverley AT avagotech DOT com



Hi Jeff, what is your logging set to, there is all sorts of logging with 6.x, I am not sure about 6.5, but with 6 if you don't turn much of the logging off it will fill up the disk exactly as you described.

There is also PBX logging, what logs in particular are growing?

/opt/VRTS*/logs?
/usr/openv/logs?
/usr/openv/netbackup/logs?
/usr/openv/debug/*?

There are many logs in 6.x, which are growing too fast for you?

Justin.
Justin,

It isn't the logs that are running wild, it is the images under /usr/openv/netbackup/db/images.  Below is the du of the 4 main servers:

9356676         agt604
29669696        agt601
40349584        agt602
48716372        agt603

The first server is is comparable in used space and activity as the last one.  The first one is linux and the last one is hpux.  The third one down (agt602) primarily houses the tools and not much active design data.  The tools software doesn't change very much so there shouldn't be a high rate of change. 

I have opened a call with Veritas but have not heard anything back yet.  I wondered if there might be some issue with the TIR on the hpux side.  It seems like early on (version 3.4 maybe) I ran into an issue with that.  The TIR file was getting corrupted somehow and it basically started doing a full backup every night because it didn't like the TIR file.  None of the client file systems have filled up or are full to cause this type of problem.  I'll have to try and dig up some image information and see if it looks like it is doing that.

Thanks,

Jeff
-- 

Jeff Cleverley
Unix Systems Administrator
4380 Ziegler Road
Fort Collins, Colorado 80525
970-288-4611
jeff.cleverley AT avagotech DOT com
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