Changes between Version 2 and Version 3 of developers-meeting-20101019


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Timestamp:
10/19/10 17:09:37 (10 years ago)
Author:
paul
Comment:

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  • developers-meeting-20101019

    v2 v3  
    55== Present == 
    66 
    7 dCache.org(), IN2P3(), Sara(), Triumf(), BNL(), NDGF(), PIC(), !GridKa(), Fermi(), CERN() 
     7dCache.org(Owen, Tanja, Paul, Gerd), IN2P3(), Sara(), Triumf(Simon), BNL(), NDGF(Gerd), PIC(), !GridKa(), Fermi(), CERN() 
    88 
    99= Agenda = 
     
    1212 
    1313= Site reports = 
     14 
     15== Triumf == 
     16 
     17OK last week. 
     18 
     19== NDGF == 
     20 
     21Same as usual: everything is good. 
     22 
     23== IN2P3 == 
     24 
     25Transfers from IN2P3 to other sites became bad: a lot of transfers fails. Very slow transfers, so they were killed.  Retried  
     26 
     27Downgrade operating system to Solaris ?? 
     28 
     29Situation  
     30 
     31Upgraded to 5.10 with some patches: generic 1.92-17 
     32 
     33Downgraded to 5.10 generic 142910-17 
     34 
     35Downgrade was only on two machines. 
     36 
     37Do you use 1GB Ethernet or 10GiB ethernet?  A 1GB interface. 
     38 
     39All the sites that was to get some insight from  
     40 
     41FTS complains about timeouts. 
     42 
     43Transfer begins ... timeout happens sometimes between 10% and 90% .. not the same value for different transfers. 
     44 
     45Some succeeded, but not all. 
     46 
     47Each auth. machine has two  
     48 
     49One NIC is connected to the LHC OPN network. 
     50 
     51The other is CC-IN2P3 network. 
     52 
     53Only WAN transfers are affected. 
     54 
     55Incoming data is not affected as it hits different pools. 
     56 
     57Have you made tests with IPERF to check the transfer rates?  Yes, but it seems to be fine. 
     58 
     59 
    1460 
    1561= Support tickets for discussion =