This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
cluster:149 [2016/08/31 15:05] hmeij07 [Supermicro] |
cluster:149 [2016/12/06 20:13] (current) hmeij07 [Supermicro] |
||
---|---|---|---|
Line 6: | Line 6: | ||
- | ==== The problem | + | ==== The Storage Problem |
In a commodity HPC setup deploying plain NFS, bottle necks can develop. | In a commodity HPC setup deploying plain NFS, bottle necks can develop. | ||
Line 104: | Line 104: | ||
* Grab the 32x2T flexstorage hard drives and insert into cottontail' | * Grab the 32x2T flexstorage hard drives and insert into cottontail' | ||
* Makes for a 60T raw raid 6 storage place (2 hot spares) | * Makes for a 60T raw raid 6 storage place (2 hot spares) | ||
- | | + | * move the sharptail /snapshots |
- | | + | |
* Dedicate greentail' | * Dedicate greentail' | ||
* Remove / | * Remove / | ||
* Extend /sanscratch form 27T to 37T | * Extend /sanscratch form 27T to 37T | ||
- | * Dedicate | + | * Dedicate |
* Keep old 5T /sanscratch as backup, idle | * Keep old 5T /sanscratch as backup, idle | ||
* Remove 15T /snapshots | * Remove 15T /snapshots | ||
* Extend /home for 10T to 25T | * Extend /home for 10T to 25T | ||
- | | + | * Keep 7T /archives until those users graduate, move to Rstore |
- | | + | |
**Long term plan** | **Long term plan** | ||
Line 123: | Line 121: | ||
* also a folder on cottonttail:/ | * also a folder on cottonttail:/ | ||
* n38-n45 (8) as MDS (metadata servers, 15K local disk, no raid) | * n38-n45 (8) as MDS (metadata servers, 15K local disk, no raid) | ||
- | * Buy 2x 2U Supermicro for OSS (object storage servers for a total of 80T usable, raid 6, $14K) | + | * Buy 2x 2U Supermicro for OSS (object storage servers for a total of 80T usable, raid 6, $12.5K) |
* Serve up BeeGFS file system using IPoIB | * Serve up BeeGFS file system using IPoIB | ||
* Move /home to it | * Move /home to it | ||
Line 135: | Line 133: | ||
* backup Openlava scheduler for cottontail.wesleyan.edu | * backup Openlava scheduler for cottontail.wesleyan.edu | ||
* backup replacement for greentail.wesleyan.edu (in case it fails) | * backup replacement for greentail.wesleyan.edu (in case it fails) | ||
+ | |||
+ | Bought. | ||
+ | --- // | ||
Warewulf golden image it as if it is greentail. | Warewulf golden image it as if it is greentail. |