BaBar RAL Castor Test List

Functionality Tests

• Copy file into Castor using command line tools
  • To Disk
  • To Tape
• Read file from Castor using command line tools
  • From Disk
  • From Tape
• Read file metadata from Castor using command line tools
  • From Disk
  • From Tape
• Read file from Castor directly from root
• Write file to Castor directly from root

Xrootd/Castor Tests

• Write interface script to use Castor as a MSS backend to xrootd
• Read file from xrootd which it has staged from Castor
• Read file directly from Castor using xrootd protocol
• Write file directly to Castor using xrootd protocol

Performance Tests

• Write single file to Castor:
  • Disk at A MB/s
  • Tape at B MB/s
• Read single file from Castor:
  • Disk at C MB/s
  • Tape at D MB/s
• Write X files in parallel to Castor:
  • Disk at E MB/s
  • Tape at F MB/s
• Read X files in parallel from Castor:
  • Disk at G MB/s
  • Tape at H MB/s
• Sustained write of multiple files for (Y hrs or Z TB) to Castor:
  • Disk at I MB/s
  • Tape at J MB/s
• Sustained read of multiple files for (Y hrs or Z TB) from Castor:
  • Disk at I MB/s
  • Tape at J MB/s