Difference: StorageSystem (1 vs. 11)

* Hardware

Storage System : dCache

Typically Supermicro and DELL

• 1st - Disk Only: 7.2 PB

• 2nd - support Mass Storage System:*1.1PB*.

1 tape robot:

• IBM TS3500, 3440xLTO-6 data cartridges;
• 12xLTO-6 tape drives FC8, 9 PB

2017:

• 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

Storage System dCache:

• 1st - Disk for ATLAS & CMS

• 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

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

• 6 KVM machines for access protocols support
  
  
  

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:

• Set ALLOWWEBCHANGE = TWikiAdminGroup

Storage Systems

* 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)