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Software RAID can be good sometimes
We have several small individual Solaris servers all with software raid 1 sets
Performance is good on these as with the overall system loads we can not tell a difference with or without hardware raid on these servers. Same with later versions of Linux, all depends on the role of the servers.
Actually, until later and more recent versions of some of the top three RAID hardware cards available, at one point were were getting better performance under specific configurations and loads with the Linux software raid than using two of the common hardware vendor's RAID cards a few years ago.
Today more and more systems are using SAN, all Windows uses SAN so they are all Hardware and running on Blade centers fiber connected to the SAN's so never have tried any software RAID on windows, I do believe would present performance issues on the more limited OS
Today's serer RAID options (top three) offer more higher performance devices now, 6GB SATA/SAS
Performance is good on these as with the overall system loads we can not tell a difference with or without hardware raid on these servers. Same with later versions of Linux, all depends on the role of the servers.
Actually, until later and more recent versions of some of the top three RAID hardware cards available, at one point were were getting better performance under specific configurations and loads with the Linux software raid than using two of the common hardware vendor's RAID cards a few years ago.
Today more and more systems are using SAN, all Windows uses SAN so they are all Hardware and running on Blade centers fiber connected to the SAN's so never have tried any software RAID on windows, I do believe would present performance issues on the more limited OS
Today's serer RAID options (top three) offer more higher performance devices now, 6GB SATA/SAS
Posted by mwclarke1@...
13th Feb 2012
