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Common infrastructure

Conceptual overview

  • 1x Management server
  • 3x Virtualization hosts
  • 1x Virtual front end server
  • 4x Virtual queue servers (torque/maui)
  • 1x Virtual infrastructure server (nis,dhcp,dns,mail etc.)
  • 1x image ditribution server (fai)
  • 1x disk system with 5 TB user capacity (XFS, RAID5+1)
  • 1x disk system with 20 TB user capacity (XFS, Mirrored RAID6+1)
  • 1x disk system with 60TB user capacity (ZFS, RAIDZ3)
  • 1x disk system with 162 TB user capacity (XFS, RAID60)
  • 1x Backup server with 3 TB disk systems (Bacula)

Hardware

Infrastructure

File Servers
- 1x Dell Power Edge 2950 with 2x 2.66 GHz Xeon, 8 GB RAM, 10GBps Infiniband, Gigabit ethernet, 2 SAS controllers (LSI)
- 1x IBM x3550m2 1950, 2x 2.50 GHz Xeon, 16 GB RAM, 10GBps Infiniband, Gigabit ethernet, Ultra 320 SCSI controller (LSI)
- 1x SunFire X4540 integrated fileservers each equipped with 2x 2.66 GHz AMD 6-core Opteron cpu's, 32 GB RAM, 48xSATA harddrives, 20GBps Infiniband, 4xGigabit ethernet, 48x2TB SATA disks in Raid-Z3 with two hotspares.
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Disk systems
- 2 x Eonstore S12S-G1033 SATA-SAS, each with 24 TB raw disk capacity.
Disks: 2TB SATA-III 7200 rpm.
In each box 12 disks are configured in one fault tolerant RAID-6 setup with one hot-spare disk.
For optimum fault tolerence the two disk systems above are mirrored in a software RAID-1 setup.
Connected to PE2950 fileserver, SAS300.
- 1 x Dell/EMC AX150 SATA-FC with 9TB TB raw disk capacity.
Disks: Seagate ES2, 750 GB SATA-II 7200 rpm
12 disks are configured in one fault tolerant RAID-5 setup with one hot-spare disk.
Connected to 3Ware fileserver, 2GBPS FC.
- 1 x Eonstore A12U-62421 SATA-SCSI with 6 TB raw disk capacity.
Disks: 500 GB SATA-II 7200 rpm
12 disks are configured in one fault tolerant RAID-5 setup with one hot-spare disk.
Connected to a IBM x3550m2 fileserver, Ultra320.
- 1 x Infortrend IF7250F IDE-SCSI with 3.84 TB raw disk capacity.
WD SE16, 320 GB ATA100 7200 rpm
12 disks are configured in one fault tolerant RAID-5 setup with one hot-spare disk.
Connected to backupserver, Ultra320.
Switch
Dell Powerconnect 6248, 48-port.