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Everything about Real-Time RAID.

Real-Time RAID Dos and Don’ts

Do: When using applications like torrent and the likes, do enable the option to preallocate the files. This helps create less fragmentation within the FlexRAID filesystem and increases performance and resource utilization. Also, when copying files, use a program that pre-allocate the file to be copied. Some programs fail to pre-allocate and end up creating  Full Article…

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How to create a CruiseControl RAID config using existing parity data

This scenario is valid only if: – You have not re-installed your OS – You don’t have a copy of your configuration database – The copy of your configuration that is on your PPU is somehow missing Otherwise, please follow this guide instead (minus the restore section): http://wiki.flexraid.com/2012/03/24/how-do-i-restore-if-i-lose-both-my-os-drive-and-a-data-drive-and-dont-have-backups-of-my-raid-config/ This guide is also helpful: http://wiki.flexraid.com/2012/03/25/how-do-i-add-my-drive-back-to-the-pool-after-re-installing-my-os/ To  Full Article…

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How do I add my drive back to the pool after re-installing my OS?

If you re-install your OS and copy over your configuration database from backup, you drives will show up as missing in the Drive Manager while showing up as available for pooling in the lower section. Important: the first PPU drive must be the first drive to be reinstated. The process will fail if you don’t  Full Article…

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How do I restore if I lose both my OS drive and a data drive and don’t have backups of my RAID config?

If you are in the unique case whereas you lost a drive and at the same time you lost your OS and don’t have a backup of your configuration database, all is not lost. However, you will need to follow the steps below: 1. Import your configuration, which is stored on the first PPU.    Full Article…

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Understanding DRU Spanning

  What is DRU Spanning DRU spanning is the mechanism allowing you to assemble several drives to make 1 DRU. It’s useful when your system is made of drives of very different sizes – best is to assemble them so that the sizes of DRUs is consistent.   In the above diagram, setup 2 uses  Full Article…

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