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PaoloTedesco
2007-12-10

CDB Configuration for the CERN FTS.

All four FTS components are contained within a single CDB Template which is pro_type_gridfts_slc3.tpl with all the operating independent configuration in pro_system_gridfts.tpl.

For each node we use two variables to define the node type and the sub cluster it belongs to:

  "/system/function"              = "ftschannel";
  "/system/cluster/subname" = "prod"

  "/system/function"              = "ftsmon";
  "/system/cluster/subname" = "prod"

  "/system/function"         = "ftsws";
  "/system/cluster/subname = "tiertwo"

  "/system/function"         = "ftsvo";
  "/system/cluster/subname = "pilot"

Software configuration

All components of the FTS are configured using YAIM underneath the ncm-yaim component and CDB configuration. Once the CDB template is updated then on the nodes in question the profiles should be updated and the ncm component should be run. A typical cycle follows.
  1. lxadm $ cdbop
  2. lxadm cdbop> get prod/pro_system_gridfts
  3. lxadm cdbop> !vim prod/pro_system_gridfts.tpl
  4. lxadm cdbop> update prod/pro_system_gridfts.tpl
  5. lxadm cdbop> commit
  6. lxadm cdbop> exit
  7. fts102 # ccm-fetch
  8. fts102 # ncm-ncd --configure yaim
  9. If the ncm generated yaim config file /etc/lcg-quattor-site-info.def has not be modified then yaim will not run. Add a blank line to this file to force yaim to run.

Note that a yaim configuration will restart tomcat on the FTS web-servers but will not restart the FTA agents, the FTA agents must be restarted by themselves service transfer-agents restart

-- SteveTraylen - 05 Apr 2007

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Topic revision: r3 - 2007-12-10 - PaoloTedesco
 
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