The service support system provides the following:
- computing service,
- storage services,
- GRID systems, data transfer services ,
- distributed computing control systems ,
- information service (monitoring services, servers, storage, data transfer, information sites)
Computing Resources ( CE):
- Interactive cluster: lxpub [01-05] .jinr.ru
- User interface lxui [01-04] .jinr.ru (gateway for external connections)
- Computing farm.
2023Q1:
Total:
485 hosts
10356 cores
166788.4 HEP-SPEC06
16.11 HEP-SPEC06 average per core
Storage (SE):
8 old disk servers were removed, 4 new DELL R740 300TB each have been added SE disk has 4 servers; at EOS – 28.
As a result, we have at present:
EOS: 2023Q4: 23328.10 TB; 2023Q3: 22203.82 TB; 2023Q2: 21828.99 TB; 2023Q1: 16582.35 TB; 2021/22: 15.598 TB ALICE @ EOS: 1653.22 TB EOSCTA: 2023Q3: 10000 TB AFS: ~12.5 TB (user home directories, workspaces) CVMFS: 140 TB (3 machines : 1 stratum0, 2 stratum1, 2 squid servers cache CVMFS ,VOs: NICA (MPD, B@MN, SPD), dstau, er, jjnano, juno, baikalgvd ..). dCache 2023Q2: ATLAS @ dcache 1939.25 TB CMS @ dcache 1994.18 TB Local & EGI @ dcache2 199.74 TB Total: EOS_(23350 TB + 1653.22 TB) + EOSCTA_(10000TB) + 12.5TB_(AFS) + 140TB_(CVMFS) + dCache_(1939.25 TB + 1994.18 TB + 199.74 TB) = 39288.89 TB
dCache: – Added: 2 servers ( Qtech QSRV-462402_3) = ~0.68 PB
EOS: – Added: 20 servers (Qtech QSRV-462402_4) . Sum(capacity): 22.353 PB
Software:
2023Q1: ОС: Scientific Linux release 7.9. EOS 5.1.9 (constantly changing) dCache 8.2 Enstore 6.3 for tape robots SPECall_cpp2006 with 32-bit binaries SPEC2006 version 1.1 . BATCH: Slurm 20.11 with adaptation to kerberos and AFS ALICE VObox grid UMD4 + EPEL (current versions) ARC-CE FairSoft FairRoot MPDroot
2017-2023Q1: 
Archive:
Infrastructure and services of the Tier2 JINR-LCG2, 2021-22.
Infrastructure and services of the Tier2 JINR-LCG2, 2020.
Infrastructure and services of the Tier2 JINR-LCG2, 2019.