State Of Raid 5 in RELENG_6

Benjamin Close cisbjc at cs.unisa.edu.au
Tue Sep 13 17:24:41 PDT 2005


Hi All,
    With FreeBSD 6 getting closer, I was curious about what was 
happening with raid 5 support on ata-raid.

At present, raid 5 arrays are detected and can be used, though looking 
at the code, there is no support for parity. Hence running raid 5 is 
effectively running raid 0.

If this is likely to be the case when 6 is shipped, there should at 
least be a warning regarding this at boot time.

Cheers,
    Benjamin

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