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-Q4: 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: 2023Q3= 23350 TB 2023Q2=21828.99 TB; 2023Q1=16582.35 TB; 2021/22=15.598 TB. ALICE @ EOS 1653.22 TB EOSCTA: 2023Q3=11000 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-Q4: 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, 2023
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
The Infrastructure and Services of the Tier2, 2018
The Infrastructure and Services of the Tier2, 2017
CE: 2023Q1-Q4: Total: 485 hosts 10356 cores 166788.4 HEP-SPEC06 16.11 HEP-SPEC06 average per core 2022: Total: 9272 cores 149938.7 HEP-SPEC06 a total performance 37484.7 HEP-kSI2k a performance per core 2021Q3: Total: 7700 cores 121076.99 HEP-SPEC06 a total performance 30269.25 HEP-kSI2k performance per core
CE: 2017 cores=3640; 46867 HEP-Spec06 2018 cores=4128; 55489 HEP-Spec06 2019 cores=4128; 55489 HEP-Spec06 2020 cores=4128; 55489 HEP-Spec06 2021 cores=7700; 121077 HEP-Spec06 2022 cores=9272; 149939 HEP-Spec06 2023 cores=10356;166788 HEP-Spec06