3/16/2005CSS/SCS/Farms and Clustered System 1 CDF Farms Transition Old Production farm (fbs/dfarm/mysql) SAM-farm (Condor/CAF/SAM)

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Presentation transcript:

3/16/2005CSS/SCS/Farms and Clustered System 1 CDF Farms Transition Old Production farm (fbs/dfarm/mysql) SAM-farm (Condor/CAF/SAM)

3/16/2005CSS/SCS/Farms and Clustered System 2 CDF Old Production Farm Headnode: cdffarm0 Dell 6650, 4-Way Xeon HT, 4GB RAM, 0.5TB usable RAID5+0, SLF303 2 Servers: fnpcc (FPS) – dual-Xeon 2U, IDEs, FL731 (cdffarm2) – duel-Athlon 4U, SCSI 98 worker nodes: fncdf75-90, , where 8 readers and 8 concatenators

3/16/2005CSS/SCS/Farms and Clustered System 3 Experimental SAM-Farm Condor/CAF headnode: fncdf171 (fncdf) 2 SAM stations: fcdfdata057&055 (cdf- farm1&2) – Polywell 2TB/each, IDE RAID 29 condor workers in FCC2: fncdf new workers in GCC: fncdf (testing SLF303)

3/16/2005CSS/SCS/Farms and Clustered System 4 SAM-Farm functional requirements 1.dCAF/Condor headnode(s) 2.Monitoring and Web services 3.Many Condor worker nodes 4.SAM: Station(s) Storage: cache and store Concatenation

3/16/2005CSS/SCS/Farms and Clustered System 5 SAM-Farm hardware mapping cdffarm0 will replace fncdf171 as headnode, also monitoring and web All worker nodes will be converted to Condor and SLF303, using Rocks SAM stations need new machines since 055 and 057 will be out of warranty soon Add a 2 nd headnode?

3/16/2005CSS/SCS/Farms and Clustered System 6 SAM-Farm SAM station requirements >4TB/day (~50MB/s avg.) in/out network: multi Gb ports/links >2TB cache RAID usable, thus ~4TB raw >2TB store RAID usable, ~4TB raw Sufficient concatenation power Single or multiple machines? 24x7 or 8x5 support?

3/16/2005CSS/SCS/Farms and Clustered System 7 SAM station hardware options 1.SCSI RAID: 4xDell 2850 ($9k each) ~$36k Dual-Xeon 3GHz, 4x300GB SCSIs (and mirrored system drives) 2.IDE RAID: 4xKoi ($5k each) ~$20k Dual-Xeon 2.8GHz, 4x250GB IDEs (and mirrored system drives) 3.LSI or EMC: 2x2TB (~$40k each) ~$70k 4WNs w/ Fibre Channel interfaces 4.Panasas: 4WNs + Panasas (5TB)~$35k ** D0 will need similar hardware too….. **

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