CERN Accelerating science

EOSATLAS overload/DoS

 
Date & time of incident: 
Monday, September 17, 2012 - 19:00
Incident Description: 

EOSATLAS received a flood of request from an external institute and was at times unable to cope with the load. Error sympoms would be "connection refused" from SRM, and "no space" for Xrootd requests. Resolved by banning the source machines; followed up together with ATLAS.

Service Element Affected: 
Storage Service for Projects & Experiments
Specific Service detail: 
EOSATLAS SRM-EOSATLAS
Impact: 
Service is degraded
Status: 
Resolved
Resolution date: 
Tue, Sep 18, 00:30
Posted by: 
IT-DSS
Unit responsible for resolution: 
IT Department