CMS SC4 Site log for PHOENIX cluster

August - ? 2006:

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14. 8. 2006

Solved the DPM / VOMS roles issue by opening the H1 pool for witong by all groups, i.e. the CMS production role's files will now end up there. Also asked CSCS managers about short time upgrade of our disk capacity.

PS: 18. 8. 2006 Vincenzo Annoloro proposed to stock up our existing file server with an additional 3.2 TB of disks and we will go ahead with it. This will give us some flexibility for CSA06.

21. 8. 2006 FTS testing in T2_CSCS_Load PhEDEx instance

I tested PhEDEx for three days via FTS with our STAR-CSCS channel hosted by FZK. Up to now the transfers had all be done with srmcp. The success rates were extremely sobering. Here I present some success rates based on correctly copied singel files. This and also details about the errors can be found in this CMS hypernews message.

SITE STATISTICS using FTS 18.-21. Aug

site: T1_RAL_Load (OK: 17 / FAILED: 115)   success rate: 12.8787878787879%
site: T1_CERN_Load (OK: 154 / FAILED: 273)   success rate: 36.0655737704918%
site: T1_FZK_Load (OK: 60 / FAILED: 141)   success rate: 29.8507462686567%
site: T1_CNAF_Load (OK: 1 / FAILED: 38)   success rate: 2.56410256410256%
site: T1_IN2P3_Load (OK:  / FAILED: 128)   success rate: 0%

SITE STATISTICS using SRMCP 22.-23. Aug

site: T1_RAL_Load (OK: 8 / FAILED: 5)   success rate: 61.5384615384615%
site: T1_CERN_Load (OK: 2 / FAILED: 5)   success rate: 28.5714285714286%
site: T1_FZK_Load (OK: 11 / FAILED: 2)   success rate: 84.6153846153846%
site: T1_CNAF_Load (OK:  / FAILED: 1)   success rate: 0%
site: T1_IN2P3_Load (OK: 158 / FAILED: 1)   success rate: 99.3710691823899%

SITE STATISTICS using SRMCP ~last week

site: T1_RAL_Load (OK: 51 / FAILED: 48)   success rate: 51.5151515151515%
site: T1_CERN_Load (OK: 20 / FAILED: 2)   success rate: 90.9090909090909%
site: T1_FZK_Load (OK: 122 / FAILED: 178)   success rate: 40.6666666666667%
site: T1_CNAF_Load (OK: 1 / FAILED: 90)   success rate: 1.0989010989011%
site: T1_IN2P3_Load (OK: 164 / FAILED: 19)   success rate: 89.6174863387978%
site: T1_FNAL_Load (OK: 391 / FAILED: 31)   success rate: 92.6540284360189%

Since the associated errors were so divers and I saw no good chance of resolving them (based on general status of successful file transfers by our service provider FZK), I decided to go back to using srmcp for now.

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-- DerekFeichtinger - 29 Aug 2006