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Barracuda Backup Agent for Linux Unattended Installation

Barracuda Networks provide agents for their backup appliance for various operating systems. Unfortunately the Linux agent (unlike the Windows agent) does not come with an option for a silent installation, and it doesn't look like the vendor can be bothered to do anything about it.

Instead of being able specify a path on the commandline (or at least force a silent installaton to the default path) you're always prompted for the path where the agent should be installed:

/tmp # tar xzf barracuda_backup_agent-x.x.x.tar.gz
/tmp # cd barracuda_backup_agent-x.x.x
/tmp/barracuda_backup_agent-x.x.x # ./install
Please choose an installation path, or press enter for default.
[/usr/local/barracuda/bbs]: _

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Posted 01:13 [permalink]


Repairing a Suspect msdb Database

Sometimes a situation arises where an SQL Server instance comes back up with a database tagged as "suspect". Apparently there is a number of possible causes for this, like transaction log corruption, insufficient memory or disk space, or unexpected shutdowns due to hardware or power failure. In our case the reason was probably a hardware failure, since the database resides on an iSCSI volume, and we were making changes to our iSCSI network. And to make things a little bit more interesting, our msdb database just had to be among the affected databases.

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Posted 19:07 [permalink]


Cleanup of DB2 Backups Fails with Return Code 136

Recently I encountered a rather weird problem with the cleanup of backups of some of our DB2 databases. The database backups are done via TSM by running the following command:

db2 "backup db DBNAME online use tsm"

Cleanup of obsolete backups is done by running the following commands via a scheduled task.

db2adutl delete full older than TIMESTAMP db DBNAME without prompting
db2adutl delete logs between S0000000.LOG and S(xxxxxxx-1).LOG db DBNAME without prompting
db2 "connect to DBNAME"
db2 "prune history DATE and delete"
db2 "prune logfile prior to Sxxxxxxx.LOG"
db2 "connect reset"

Sxxxxxxx.LOG is the oldest log of the oldest backup to be kept, which is extracted from the output of db2adutl query full db DBNAME. S(xxxxxxx-1).LOG is that log number minus one.

Although this setup had been working for several years without problems and no changes were made to the system, the log cleanup step suddenly started to fail for some databases while it still worked fine for the others.

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Posted 21:10 [permalink]


Process Explorer Error: .NET Performance Counters Are Corrupt

Today I encountered the following error message on one of my servers (running Windows Server 2008) when I started Process Explorer:

The .NET performance counters on this system are corrupt. Run Exctrlst from the Microsoft Windows Resource Kit to repair them.

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Posted 11:58 [permalink]


PrintBrm Error 0x8007007b

Running the following command for backing up a printserver configuration

"%SystemRoot%\System32\spool\tools\PrintBrm.exe" -B -S server -F "C:\path\to\backup.pbk"

gave me an error after listing the printer ports:

The following error occurred: 0x8007007b.
The filename, directory name, or volume label syntax is incorrect.

Check the eventlog for detailed information about the error which occurred.

Turns out, PrintBrm doesn't seem to like double quotes around the backup file name, at least not on Windows Server 2008 R2 SP1. I changed the command line to

"%SystemRoot%\System32\spool\tools\PrintBrm.exe" -B -S server -F C:\path\to\backup.pbk

and the backup ran without issues.

Posted 16:15 [permalink]


TSM BA Client 6.4 on Debian

Although IBM doesn't officially support its TSM client on Linux distributions other than SLES and RHEL the client works quite nicely on Debian. With version 6.4 you need at least the following 4 packages on AMD64 systems:

  • TIVsm-BA
  • TIVsm-API64
  • gskcrypt64
  • gskssl64

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Posted 00:46 [permalink]