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The XROOTD bundle vmss _ 1.8. Available!. Fabrizio Furano. It’s out!. Since today the new version vmss_1.8 of the xrd -installer bundle is available Main items: The ApMon proliferation issue Xrd3cp from Andreas Xrootd base : 20100510-1509 Used also in the ALICE CAF.

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the xrootd bundle vmss 1 8

The XROOTD bundlevmss_1.8

Available!

Fabrizio Furano

it s out
It’s out!

Xrootd bundle vmss_1.8

  • Since today the new version vmss_1.8 of the xrd-installer bundle is available
  • Main items:
    • The ApMon proliferation issue
    • Xrd3cp from Andreas
    • Xrootd base : 20100510-1509
  • Used also in the ALICE CAF
the apmon proliferation
The ApMon proliferation

Xrootd bundle vmss_1.8

  • Under some circumstances the ApMon processes were not detected correctly and were started again and again
    • Result: a lot of them
    • Fixed now, in the ApMon-related scripts
    • Remember to kill them manually before restarting after the upgrade
xrd3cp
Xrd3cp

Xrootd bundle vmss_1.8

A new plugin was added: xrootd-ftsofs

Third party ‘file push’

The tests at CERN and Legnaro were successful

Several improvements can be foreseen (mainly performance)

xrootd base
Xrootd base

Xrootd bundle vmss_1.8

  • Like always, a huge number of commits
    • And a very long test phase
  • A few minor bugs in XrdClient
    • Xrdcp is able to detect additional failure modes and act correctly
    • Enhanced fault tolerance (the Legnaro problem)
        • In the case of flaky dataservers going in/out the redirector’s response can be wrong
        • Now the client copes better with that
        • Moreover, they fixed the flaky dataserver (name resolution issues?)
how to upgrade
How to upgrade

Xrootd bundle vmss_1.8

  • The good old instructions are always valid
    • In the Alien HowTos
      • http://alien2.cern.ch/index.php?option=com_content&view=article&id=33&Itemid=79
    • Backup system.cnf per each server
    • Install the new bundle in a separate directory
    • Copy system.cnf into the new one and check it!
    • Stop the old one
    • KILL the stale ApMon processes
    • Start the new one
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