Storage Elements(SE)
Storage System dCache :
2018:
* Hardware
Storage System dCache:
Typically Supermicro and DELL
- 2nd - support Mass Storage System: 1.1PB.
* 1 tape robot: *
- IBM TS3500, 3440xLTO-6 data cartridges;
- 12xLTO-6 tape drives FC8, 9 PB
* Software
- OS: Scientific Linux release 6 x86_64.
- BATCH : Torque 4.2.10 (home made)
- Maui 3.3.2 (home made)
- CMS Phedex
- dCache-3.2 * Enstore 4.2.2 for tape robot.
2017:
* Hardware
Storage System dCache:
1st - Disk for ATLAS & CMS: Typically Supermicro and DELL
- 31 disk servers: 2 x CPU (Xeon E5-2650 @ 2.00GHz); 128GB RAM; 63TB ZFS (24x3000GB NL SAS); 2x10G.
- 24 disk servers: 2 x CPU (Xeon E5-2660 v3 @ 2.60GHz); 128GB RAM; 76TB ZFS (16x6000GB NL SAS); 2x10G
- 4 disk servers: 2 x CPU (Xeon E5-2650 v4 @ 2.29GHz) 128GB RAM; 150TB ZFS (24x8000GB NLSAS), 2x10G
Total space:
4.6PB.
- 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.
- 8 disk servers: 2 x CPU (E5-2640 v4 @ 2.40GHz); 128GB RAM; 70TB ZFS (16x6000GB NLSAS); 2x10G; Qlogic Dual 16Gb FC.
Total disk buffer space:
1PB.
- 1 tape robot: IBM TS3500, 2000xLTO Ultrium-6 data cartridges; 12xLTO Ultrium-6 tape drives FC8; 11000TB.
- 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-2.16
- Enstore 4.2.2 for tape robot.
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
* Software
dCache-2.10
Enstore 4.2.2 for tape robot.
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)
* Software
dcache-2.6.31-1 (dcache.org) dcache disk only
dcache-2.2.27 (dcache.org) dcache MSS