CERN Accelerating science

CASTORATLAS upgrade to 2.1.12

 
Description: 

Update of CASTORATLAS to latest CASTOR release 2.1.12 including a new xroot plugin.

For all details look at:
https://cern.ch/twiki/bin/view/CASTORService/
ChangesallCASTOR2112

This intervention is not transparent (downtime is expected to take about two hours).

Specific Service Detail: 
CASTORATLAS SRM-ATLAS
Reason for this intervention: 

This version brings a number of changes, most relevant being:

  • Optimized and rationalized tape access, in particular for migrating data to tape
  • More efficient usage of database interfaces from all the disk cache components
  • A number of bug fixes concerning the disk scheduling and the stager
    • In particular, fixed a potential data loss when writing with xroot under heavy load
Effective from date: 
Tuesday, March 6, 2012 - 09:30
End date: 
Tuesday, March 6, 2012 - 12:30
Service Element Affected: 
Storage Service for Projects & Experiments
Impact on service: 
Service will be unavailable during the intervention
Posted by: 
IT-DSS
Unit responsible for resolution: 
IT Department