Hi Gandalf, Are you using hardware raid or mdadm? On high quality hardware raid, a 12 disk raid-6 is pretty solid. With mdadm any raid6 (especially with 12 disks) will be rubbish. Matt. > On 4 Jul 2016, at 15:54:44, Gandalf Corvotempesta <gandalf.corvotempesta@xxxxxxxxx> wrote: > > No suggestions ? > > Il 14 giu 2016 10:01 AM, "Gandalf Corvotempesta" <gandalf.corvotempesta@xxxxxxxxx> ha scritto: > Let's assume a small cluster made by 3 servers, 12 disks/bricks each. > This cluster would be expanded to a maximum of 15 servers in near future. > > What do you suggest, a JBOD or a RAID? Which RAID level? > > 15 servers with 12 disks/bricks in JBOD are 180 bricks. Is this an > acceptable value? > Multiple raid6 for each servers? In example, RAID-6 with 6 disks and > another RAID-6 with the other 6 disks. I'll loose 4 disks on each > servers, performance would be affected and rebuild times would be huge > (by using 2TB/4TB disks) > > Any suggestions? > _______________________________________________ > Gluster-users mailing list > Gluster-users@xxxxxxxxxxx > http://www.gluster.org/mailman/listinfo/gluster-users _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://www.gluster.org/mailman/listinfo/gluster-users
