The XROOTD bundle vmss _ 1.8
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CERN IT Department CH-1211 Genève 23 Switzerland www.cern.ch/ DSS The XROOTD bundle vmss_1.8 Available! Fabrizio Furano
description
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. - PowerPoint PPT Presentation
Transcript of The XROOTD bundle vmss _ 1.8
CERN IT Department
CH-1211 Genève 23
Switzerlandwww.cern.ch/
it
DSS
The XROOTD bundlevmss_1.8
Available!
Fabrizio Furano
CERN IT Department
CH-1211 Genève 23
Switzerlandwww.cern.ch/
it
InternetServices
DSS
Xrootd bundle vmss_1.8 2
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
CERN IT Department
CH-1211 Genève 23
Switzerlandwww.cern.ch/
it
InternetServices
DSS
Xrootd bundle vmss_1.8 3
The ApMon proliferation
• 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
CERN IT Department
CH-1211 Genève 23
Switzerlandwww.cern.ch/
it
InternetServices
DSS
Xrootd bundle vmss_1.8 4
Xrd3cp
• 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)
CERN IT Department
CH-1211 Genève 23
Switzerlandwww.cern.ch/
it
InternetServices
DSS
Xrootd bundle vmss_1.8 5
Xrootd base
• 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?)
CERN IT Department
CH-1211 Genève 23
Switzerlandwww.cern.ch/
it
InternetServices
DSS
Xrootd bundle vmss_1.8 6
How to upgrade
• 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
