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Hi to All, I'm new to the Ceph community. I've found some used hardware on our datacenter and i want to create a new Ceph cluster, a little bit more powerful (i know that the disks are not good at all, each node has 10 x 72GB SAS disks and 2 x 500GB SATA disks (that's not to much space), but this is for testing the solution. The hardware is the following: OS Running: Ubuntu 12.10 Server 64 bits (on 2 x 140GB w/RAID-1) ceph-node01(mon) 10.77.0.101 ProLiant BL460c G7 32GB 8 x 2 Ghz ceph-node02(mon) 10.77.0.102 ProLiant BL460c G7 64GB 8 x 2 Ghz ceph-node03(mon) 10.77.0.103 ProLiant BL460c G6 32GB 8 x 2 Ghz ceph-node04 10.77.0.104 ProLiant BL460c G7 32GB 8 x 2 Ghz ceph-node05(deploy) 10.77.0.105 ProLiant BL460c G6 32GB 8 x 2 Ghz All the Blades are inside of the same enclosure so the connectivity is going to be through the same SW (one cable) of 1Gb, i know that this is NOT good at all but again is for testing, and is what we got for the moment. Could someone give me some hints on configured this hardware the Best possible way? i mean where to put the Journals, how many OSD's per node, i thought to use 2 x Journal disks in a 1:5 relation, so 1 journal for 5 OSD's. Is going to be better to use 2 x 72GB SAS disks as the Journals right?, any other recommendations? Also when running the "ceph-deploy new" command to create the cluster how can i specify the name of the cluster? Again sorry if they are very newbie questions but as i said im new to Ceph. Thanks in advance, Best regards, German Anders |
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