On 01/09/2013 05:09 PM, arag...@dcsnow.com wrote:
at this size i imagine that you need some speed with multiple concurrent accesses .. NFS is not up to the task .. i would advise to use lustre that will also give you the aggregation of space that you wantHi,I'm looking to build a 1PB (usable) volume on a Fedora or Redhat platform. The volume (has to be a single volume) will be shared out by NFS. My considerations in the order of importance are:
if you value your data i would advise strongly against raid 5 (it will become lost as soon you have 1 disk down and 1 transient read error) IMHO you need RAID6 with volumes of 15 disks (in a 60 hdd 4U jbod you can have 4 RAID6 volumes)Data loss Cost Speed I am currently considering some less expensive storage arrays using 4TB SAS disks in 5+1 RAID 5 configurations (each array would be responsible
HTH, Adrian
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