The service support system provides the following:
- computing service,
- storage services,
- GRID systems,
- data transfer services ,
- information service (monitoring services: servers, storage, data transfer, information sites).
Tier1 farm configuration (T1_RU_JINR):
The CMS experiment data processing jobs are launched by 16 core pilots and all computing resources are available to them.
Computing farm (CE)
2023
Sum 2023Q4: 323820.54 HEP-SPEC06 20096 cores 468 Wns Average per Core = 16.11
Storage Systems (SE)
Data storage is provided for the dCache system, robotic tape storage using Enstore software and the EOS system.
2023: dCache: SE disks: 2023Q1=11.02 PB; 2023Q2=11.76 PB; 2023Q4=12.44749 PB; 2023Q4: CMS @ dsk: 12439.87 TB + dteam+ops @ dsk: 7.62 TB + CMS @ dcache mss: 2657.20 TB + Tapes@Enstore: 35562.00 TB + = 50666,69 TB tape robot: allocated capacity for T1 CMS logic library: 51.5PB, IBM TS3500(11.5PB) + IBM T4500(40PB) EOS: 2023Q3=23350 TB; 2023Q2=21829.01 TB; 2023Q1=16582.35 TB; EOSCTA: 10000 TB; CVMFS: capacity is 140TB 4 squid servers cache CVMFS 1 server stratum 0 2 servers stratum 2
Total: EOS(23328.10 TB) + dcache_disk(12439.87 TB) + tapes(51500 TB) + CVMFS(140 TB) = 87407,97 TB
2023Q2: dCache – added 6 servers (Qtech QSRV-462402_4) = ~2.3 PB ; decommissioned – 15 servers (Supermicro rda017-rda031~2017) = ~1.719 PB
Software :
2023Q1 ОС: Scientific Linux release 7.9. EOS 5.1.23 (constantly changing), dCache 8.2, Enstore 6.3. Slurm 20.11. grid UMD4 + EPEL (current versions) Batch Slurm 20.11 grid UMD4 + EPEL, актуальные версии ARC-CE
