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I'm using amazon, and there is docs everywhere to use xfs. Is xfs a software based raid? Is it fast?

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  • I think I'm using mdadm, is this software or hardware?
    – rafamvc
    Dec 15, 2010 at 3:31

2 Answers 2

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XFS is not a RAID implementation. It is a filesystem. It does happen to have some nice tweaking ability. Some of those tweaks increase the performance of the filesystem when used in a RAID array. It is very fast...especially when configured properly. That's probably why Amazon recommends it.

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XFS is a high performance file system originally developed by SGI. RAID would have to be done either in hardware or software at a lower level.

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  • I think I'm using mdadm, is this software or hardware?
    – rafamvc
    Dec 15, 2010 at 3:31
  • mdadm is software raid. Dec 15, 2010 at 3:36

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