CLASSE-IT Info for CHESS Operators

General

• CLASSE-IT homepage
• Wireless for CHESS users (Cornell)
• CHESS Station Computer SL7 Upgrade
• New CLASSE-managed CHESS Ops computer: SystemExpectations

Submitting CLASSE-IT tickets

• For operations issues, post in ELOG and check the CLASSE-IT box to open a ticket at the same time.
• For non-operations issues, use the usual methods: ServiceRequestTips

Data transfer

• Instructions for CHESS users
• Recommended method: Globus (CLASSE account required)
• Remote SFTP/SCP also available (CLASSE account required)
• Last resort: on-site transfer at station computers or public terminals (W-315, CLASSE account required)

CLASSE accounts

• Temporary accounts should be
  • Limited in duration: expiration date at the end of the run (or sooner if possible)
  • Limited in use: for remote data transfer only
  • Creating temporary CLASSE accounts (private)
• Permanent accounts for all other uses, like data processing
  • Ask staff scientist to submit NewUserForm

Network Info

Network	Wireless in L0	Station Computer	Hutches	CHESS Ops
CHESS Controls				Linux desktop
LNS Protected	Staff only			Win10 laptop
CLASSE Public				Win10 desktop
eduroam/Cornell-Visitor	Users & staff
CHESS-DAQ		X	X
CHESS Public		X
Isolated hutch		X	X

• Note the CHESS-DAQ network is different from the CHESS-DAQ filesystems
  • Only the CHESS-DAQ network can write to the CHESS-DAQ filesystems
  • Most networks can read from the CHESS-DAQ filesystems
• LNS Protected: only for CLASSE use (not CHESS users), devices need to be registered
• Other CHESS networks only in select locations: motor control, VBPM, EPS, PPS
• More info: NetworkInfrastructure

Hutch networking diagram