Tag Archive: Linux

Aug 19

Tape drive performance with MTWEOFI on Linux

Physical tape drives are a precious resource in today’s fast growing data centers. If you’re running backups or copies to physical tape drives performance is key. I did some research on this topic based on a customer request. They reported that backups on Windows clients where much faster compared to Linux clients when writing directly …

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Feb 28

Resolve Cell Manager installation failures on RHEL7

Starting with Data Protector A.09.05 Red Hat Enterprise Linux 7.0 and 7.1 is now a supported Cell Manager platform. But running the regular installation procedure on a fresh RHEL 7.1 system does not work, even with all requirements met. [root@linux ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.1 (Maipo) [root@linux ~]# uname -a Linux jetlnx01.godyo.int …

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May 28

Clustered Cell Manager requires omnirc parameter

I just stumbled across an issue introduced with Data Protector A.08.00 and the new PostgreSQL database on clustered Cell Managers running on Linux and HP-UX. It’s related to restoration of IDB configuration files back to the shared disk. As you might know, parts of the Data Protector installation are stored on shared disk for a clustered configuration. The directory structure remains the same, but symlinks …

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May 10

Clean up after Data Protector IDB restore

IDB restore with Data Protector 8 and later is really straight forward. It allows a much more granular recovery than in previous versions, since it’s done using a fully featured module instead of a file system hot-backup. You’re able to restore the IDB (PostgreSQL database) including log file recovery, DCBF files and configuration files individually or all together …

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May 09

Re-initialize Data Protector IDB (PostgreSQL)

This post will show you how to re-initialize the Internal Database of Data Protector 8 or later to start from scratch without the need for re-installation. This was quite simple on previous versions and needs to be adjusted for the new PostgreSQL database and JBoss application server. These instructions will work on Linux and HP-UX. If I find a proper …

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Sep 04

Data Protector Quick Fixes

There are situations in which you receive test modules or quick fixes from HP support to resolve a specific issue in your environment. Even if they provide instructions on how to apply them, I found the following general procedure working quite well for Linux clients and cell managers. Upload the fix to the client system …

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Aug 14

Data Protector Push installation for Debian clients

Integrating Debian or Debian-based Linux clients (e.g. Ubuntu) into a Data Protector cell could be a pain, if you have more than a bunch of them. Patch rollout and release upgrades will even take more time if you poke around with alien to convert the Data Protector rpm into deb format. There are some simple requirements …

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Jul 22

Patch Data Protector standalone client

There are cases in with you need to apply GA patches to a UNIX client and you don’t have an Data Protector UNIX IS (Installation Server) available. This is worse, because the patches are designed to update an installation server only. The following procedure will help you out. Instead of applying the patches to an …

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Jul 21

Data Protector requirements for Linux CM / revised

Here are some required, but not well documented requirements for Data Protector Cell Manager (Cell Server) installation on the Linux platform. Update: This information has been revised for SLES11. These steps are not intended to replace the Installation and Licensing documentation shipped with the media kit. Rather they should help you to bring things up …

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Oct 31

Gentoo Linux: Hyper-V R2 Enlightenment

If you ever worked with Hyper-V on Windows 2008 R2 you might know the Linux support is still an issue compared to other hypervisors like VMware. In the meantime Microsoft official supports SLES and RHEL as Hyper-V R2 guests. To have them running smoothly, you should install the Linux Integration Services Version 3.1 for Hyper-V …

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