Software Raid Howto
This howto describes how to use software raid under linux. 62 turned out to not be much better.
 		 		 Installing Ubuntu 12 04 With Software Raid The Urban Penguin
 	Installing Ubuntu 12 04 With Software Raid The Urban Penguin 	
This document is a tutorialhowtofaq for users of the linux md kernel extension the associated tools and their use.
Software raid howto. Raid can guard against disk failure and can also improve performance over that of a single disk drive. Raid 5 although one of the options isnt actually available in windows 7 due to licensing issues. When a chunk is written on a raid 5 array the corresponding parity chunk must be updated as well.
It addresses a specific version of the software raid layer namely the 090 raid layer made by ingo molnar and others. This howto describes how to use software raid under linux. This is the raid layer that is the standard in linux 24 and it is the version that is also used by linux 22 kernels shipped from some vendors.
This is the raid layer that is the standard in linux 24 and it is the version that is also used by linux 22 kernels shipped from some vendors. It addresses a specific version of the software raid layer namely the 090 raid layer made by ingo molnar and others. I ended up getting another hardware raid controller but this time a 3ware 4x pci ei decided to post this howto anyway as i only saw little pieces on the net and tought a step by step guide might be of use to someone.
I started out trying this on 6 release and found gvinum to be very unstable. Writing on raid 5 is a little more complicated. This is the raid layer that is the standard in linux 24 and it is the version that is also used by linux 22 kernels shipped from some vendors.
On raid 5 the chunk size has the same meaning for reads as for raid 0. Thanks to the commenters for pointing that out. It addresses a specific version of the software raid layer namely the 090 raid layer made by ingo molnar and others.
This howto describes how to use software raid under linux. Instead they use spanned striped and mirrored as the options for creating software raids. Updating a parity chunk requires either the original chunk the new chunk and the old parity block.
In windows they dont call their raid options by the traditional 0 1 5 10 etc. The md extension implements raid 0 striping raid 1 mirroring raid 4 and raid 5 in software.
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