Re: [Gluster-users] To RAID or not to RAID...

2020-01-14 Thread Hu Bert
Hi, our old setup is not really comparable, but i thought i'd drop some lines... we once had a Distributed-Replicate setup with 4 x 3 = 12 disks (10 TB hdd). Simple JBOD, every disk == brick. Was running pretty good, until one of the disks died. The restore (reset-brick) took about a month, becaus

Re: [Gluster-users] To RAID or not to RAID...

2020-01-14 Thread Strahil
Hi Markus, You are right .I think that the 3 node setup matches distributed volume. According to https://docs.gluster.org/en/latest/Administrator%20Guide/Setting%20Up%20Volumes/ Dispersed volumes use erasure codes to have a 'parity' on a separate brick. In such case you can afford to loos

Re: [Gluster-users] To RAID or not to RAID...

2020-01-14 Thread Markus Kern
Hi Strahil, thanks for you answer - but now I am completely lost :) From this documentation: https://docs.oracle.com/cd/E52668_01/F10040/html/gluster-312-volume-distr-disp.html "As a dispersed volume must have a minimum of three bricks, a distributed dispersed volume must have at least six bri