Department Computational Infrastructure
The following computational resources are available at our Department:
Computer cluster:
- 12x Fujitsu PRIMERGY CX250:
- 2x 8core Intel Xeon E5-2670 CPUs with 2.6GHz
- 64 Gb RAM
- 4x Huawei_RH1288_VE
- 2x 14 core Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz
- 264 Gb RAM
Storage (All ZFS on linux now, no more Nexcenta):
- 48x2TB Disks in 4 shelves with 2 Server Heads (HA) (med3, med4)
- 40x2TB Disks + SSD cache in 1 shelve and one Server Head (med, med-clhome)
- 10x4T Disks integrated in Server (med2)
- 40x6T Disks + SSD cache connected to 2 Searver heads (HA) (med5)
All pools are configured as raidz2 (2-disk redundancy).
Snapshots are:
- Hourly, retention 1 day
- daily, retention 8 days
- weekly, retention 3 weeks
Weekly backups are stored at LRZ (tivoli). Retention time is 6 months. Archives are stored on request at LRZ+RZG. Retention time is 10 years, complying to DFG publication rules.