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cluster:151 [2016/11/29 16:20] hmeij07 [Resync Data #2] |
cluster:151 [2016/11/29 19:37] hmeij07 [beeGFS cluster idea] |
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A document for me to recall and make notes of what I read in the manual pages and what needs testing. | A document for me to recall and make notes of what I read in the manual pages and what needs testing. | ||
- | Basically during the Summer of 2016 I investigated if the HPCC could afford enterprise level storage. I wanted 99.999% uptime, snapshots, high availability and other goodies such as parallel NFS. Netapp came the closest but, eh, still at $42K lots of other options show up. The story is detailed | + | Basically during the Summer of 2016 I investigated if the HPCC could afford enterprise level storage. I wanted 99.999% uptime, snapshots, high availability and other goodies such as parallel NFS. Netapp came the closest but, eh, still at $42K lots of other options show up. That story is detailed at [[cluster: |
This page is best read from the bottom up. | This page is best read from the bottom up. | ||
- | ==== cluster idea ==== | + | ==== beeGFS |
- | * Storage servers: buy 2 now 4k+4k then 3rd in July 4k? | + | * Storage servers: |
+ | * buy 2 with each 12x2TB slow disk, Raid 6, 20T usable (clustered, parallel file system) | ||
+ | * create 2 6TB volumes on each, quota at 2TB via XFS, 3 users/ | ||
+ | * only $HOME changes to ''/ | ||
+ | * create 2 buddymirrors; | ||
+ | * on UPS | ||
+ | * on Infiniband | ||
- | * move test users over on 2 nodes, test, only change is $HOME | + | * Client servers: |
+ | * all compute/ | ||
- | * Home cluster | + | * Meta servers: |
- | * cottontail (mngt+admingiu) | + | * cottontail2 (root meta, on Infiniband) plus n38-n45 nodes (on Infiniband) |
- | * 2-3 new units storage (+snapshots/meta backup) | + | * all mirrored (total=9) |
- | * cottontail2 meta + n38-n45 meta, all mirrored | + | * cottontail2 on UPS |
+ | |||
+ | * Management and Monitor servers | ||
+ | * cottontail (on UPS, on Infiniband) | ||
+ | |||
+ | * Backups (rsnapshot.org via rsync daemons [[cluster: | ||
+ | * sharptail:/ | ||
+ | * serverA:/mnt/ | ||
+ | * serverB:/ | ||
+ | |||
+ | * Costs (includes 3 year NBD warranty) | ||
+ | * Microway $12,500 | ||
+ | * CDW | ||
==== beegfs-admin-gui ==== | ==== beegfs-admin-gui ==== | ||
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+ | # first rsync drops roughly 5G in both primaries which then get copied to secondaries. | ||
+ | # second rsync does the same so both storage servers loose 20G roughly | ||
+ | # now shut a storage server down and the whole filesystem can still be accessed (HA) | ||
</ | </ |