Difference: StorageElement (2 vs. 3)

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META TOPICPARENT	name="WebHome"

Storage Elements(SE)

Storage System dCache :

Added:

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2017:

* Hardware

Changed:

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1st - Disk Only:

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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

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.

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* Software

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

Deleted:

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-- TWikiAdminUser - 2014-08-12

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