By: DamianMyerscough

August 22, 2008 10:32 am


Software RAID

In this article we are going to look at installing and configuring software RAID (Redundant Arrays of Inexpensive Disks) from the command line. RAID provides a great level of performance and reliability as data can be mirrored across multiple disks which allows your data to be access even if another disk is failing. In this […]

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By: jrecord

April 11, 2008 1:37 pm


Rollback SLES Online Updates with Software RAID1

Overview Configuration Break the Mirror Update the Server Accept the Update Reject the Update Why this Works Testing Notes Conclusion Overview I have often been asked if you can rollback a SUSE Linux Enterprise Server (SLES) after applying an online system update. The answer effectively is no. SLES uses installed RPM packages to build its […]

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By: jrecord

April 4, 2008 4:17 pm


Migrating SLES to Software RAID1

Overview Prepare the non-RAID Disk Create a Degraded Array Copy the System Disk to the Degraded Array Build the Finished Array Related Links Conclusion Overview The purpose of this document is to show how to migrate an existing SUSE Linux Enterprise Server (SLES) system to a mirrored array (RAID1). This is a dangerous operation! You […]

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By: jrecord

March 7, 2008 4:17 pm


Installing SLES on Software RAID1

Overview Installation Details Did it Work? Related Links Conclusion Overview The wise administrator builds redundancy into the systems he manages. Using a redundant array of independent disks (RAID) is one way to build redundancy. A redundancy strategy is not a backup strategy. I would like to be clear that this article is not a replacement […]

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