Storage Systems
2017:
* Hardware (added)
Storage System dCache:
- 1st - Disk for ATLAS & CMS
Typically Supermicro and DELL
- 24 disk servers: 2 x CPU 24GB RAM, 24 SATA h/w RAID6, 43-63TB
- 4 disk servers: 2 x CPU (Xeon E5-2660 v3 @ 2.60GHz); 128GB RAM; 76TB ZFS (16x6000GB NL SAS); 2x10G
Total space:
1332GB
2 head node machines:
- 2 x CPU (Xeon E5-2683 v3 @ 2.00GHz); 128GB RAM; 4x1000GB SAS h/w RAID10; 2x10G.
2016:
* 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
2014:
* 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)