[CentOS] Booting Software RAID

John Doe jdmls at yahoo.com
Mon Jan 27 16:45:10 UTC 2014


From: Matt <matt.mailinglists at gmail.com>

> I am thinking I will not have much I/O traffic on the SSD hopefully
> extending its lifespan.  If it dies I will just need to reinstall
> Centos on a replacement SSD.  My critical files will be in /vz that I
> need backup on and I think RAID1 will give me double read speed on
> that array.  Trying to balance cost/performance/redundancy here.

Not sure if it is still the case but if my memory is correct, some time ago, RH was advising against using mdraid on ssds because of the mdraid surface scans or resyncs.
I cannot find the source anymore...

JD




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