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Electronic Logbook. Karen S. White. Paper Logbook. Limitations Single User – Read & Write One attempt to better distribute info – paper copies daily logs posted outside the control room No way to overcome single user write limit Single Location – Control Room Usability
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Electronic Logbook Karen S. White
Paper Logbook Limitations • Single User – Read & Write • One attempt to better distribute info – paper copies daily logs posted outside the control room • No way to overcome single user write limit • Single Location – Control Room • Usability • Readability depends on user penmanship • Graphs, pictures, images stapled in on paper • Difficult to locate references
Tic-Toc Maybe we can see over his head!! How much longer? Paper Logbook
Electronic Logbook Removes Paper Logbook Limitations • Multi-user read/write simultaneously • Read and write from anywhere with internal web access • Usability • Typed text, scanned images, tables of data • Links to other information • Annotated Entries Possible
From Service Bldg From Home From Your Office From MCC Electronic Logbook
JLab Implementation • Read via Web Browser • Multiple interfaces for entries • Dtlite - tcl tool, tied to Downtime Logs and Trouble Reporting System • Web entry • Command line entry • Auto logging by programs and scripts
Elog Security • Read • Allows security to be added using Web Servers • Sensitive logs are password protected • Write • Entries are not user modifiable after commitment
JLab Implementation • Multiple linked logbooks for various group/functions: • E-log – Accelerator Operations • S-log – Software • SAD-log – System Admin & Network • PO-log – Polarized Source • C-log – Cryogenic systems • HA-log, HB-log, HC-log – Halls A, B, C
Drawbacks • Simple design - not fault tolerant • Numbering unreliable • File System Based