Gotta wear my BAARF-hat: On 15.06.2012 12:14, Fernando Frediani (Qube) wrote: > Going to the idea of using RAID controllers would you think that for say 16 > disks(or 12) Raid 5 would be fine given the data is already replicated > somewhere in another node in a very unlikely event you loose a node. > Now in a node with more number of disk slots could create multiple Raid 5 > logical volumes, but will Gluster be smart enough to not put replicated data > on two logical volumes residing on the same node ?
Using raid5 will just leave you with reading from at least two disks then writing to two disks instead of just writing your data to disk. Unless write-performance is of no interest to you, you should re-think raid5... If disks are pricey for you, just use all of them and deal with the failed bricks. If disks are cheap, just put always two together in a raid1. Have fun, Arnold (*) http://www.miracleas.com/BAARF/ -- Dieses Email wurde elektronisch erstellt und ist ohne handschriftliche Unterschrift gültig.
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