Difference: StorageElement (1 vs. 2)

* Hardware

1st - Disk Only:

30 disk servers: 2 x CPU (Xeon E5-2650 @ 2.00GHz); 128GB RAM; 63TB h/w RAID6 (24x3000GB NL SAS); 2x10G.

12 disk servers: 2 x CPU (Xeon E5-2660 v3 @ 2.60GHz); 128GB RAM; 76TB ZFS (16x6000GB NL SAS); 2x10G.

Total space: 2.8PB

3 head node machines: 2 x CPU (Xeon E5-2683 v3 @ 2.00GHz); 128GB RAM; 4x1000GB SAS h/w RAID10; 2x10G.

8 KVM (Kernel-based Virtual Machine) for access protocols support.

2nd - support Mass Storage System:

8 disk servers: 2 x CPU (Xeon X5650 @2.67GHz); 96GB RAM; 63TB h/w RAID6 (24x3000GB SATAIII); 2x10G; Qlogic Dual 8Gb FC.

Total disk buffer space: 0.5PB.

1 tape robot: IBM TS3500, 2000xLTO Ultrium-6 data cartridges; 12xLTO Ultrium-6 tape drives FC8; 5400TB.

3 head node machines: 2 x CPU (Xeon E5-2683 v3 @ 2.00GHz); 128GB RAM; 4x1000GB SAS h/w RAID10; 2x10G.

6 KVM machines for access protocols support

* Software

dCache-2.10

Enstore 4.2.2 for tape robot.

2014:

Storage Elements(SE)

* Hardware

2 facilities SE (dCache)

1st - Disk Only:

3 disk servers: 65906GB h/w RAID6 (24x3000GB SATAIII); 2x1GbE; 48GB RAM

5 disk servers: 65906GB h/w RAID6 (24x3000GB SATAIII); 10GbE; 48GB RAM

3 control computes : 2xCPU (Xeon X5650 @ 2.67GHz; 48GB RAM; 500GB SATA-II; 2x1GbE.

8 computers support access protocols. All are on a virtual machine (KVM)

2nd - support Mass Storage System:

2 disk servers: 65906GB h/w RAID6 (24x3000GB SATAIII); 2x1GbE; 48GB RAM
1 tape robot: IBM TS3200, 24xLTO5; 4xUltrium5 FC8; 72TB.
3 control computers : 2xCPU (Xeon X5650 @ 2.67GHz; 48GB RAM; 500GB SATA-II; 2x1GbE.
6 computers support access protocols. All are on a virtual machine (KVM)

* Software

dcache-2.6.31-1 (dcache.org) dcache disk only
dcache-2.2.27 (dcache.org) dcache MSS

-- TWikiAdminUser - 2014-08-12