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Recovery-Oriented Computing User Study

Recovery-Oriented Computing User Study. Scenario Descriptions October 2003. Notes. Each subject performed two trials, both with the same scenario In each trial, the subject was given two pages from this file: the scenario description (Session Overview) same in both trials

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Recovery-Oriented Computing User Study

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  1. Recovery-Oriented ComputingUser Study Scenario Descriptions October 2003

  2. Notes • Each subject performed two trials, both with the same scenario • In each trial, the subject was given two pages from this file: • the scenario description (Session Overview) • same in both trials • the per-trial information • different in each trial • Scenario and trial numbers were not reproduced in the printed materials

  3. The Three Scenario Descriptions(only one used per subject)

  4. e1 Session Overview (Scenario #1) • Length: 30 minutes • Goal: • restore the e-mail service to normal operation as quickly as possible • minimize the amount of lost e-mail and user work • you should prioritize restoring service over preserving changes made by other administrators • User complaint: • incoming e-mail smaller than 200Kbytes is being silently dropped

  5. e2 Session Overview (Scenario #2) • Length: 30 minutes • Goal: • restore the e-mail service to normal operation as quickly as possible • minimize the amount of mishandled e-mail andlost user work • you should prioritize restoring service over preserving changes made by other administrators • User complaint: • e-mail is no longer being filtered for SPAM or viruses • note: e-mail is being properly filtered when an X-Scanned-By header appears in delivered messages

  6. e4 Session Overview (Scenario #3) • Length: 30 minutes • Goal: • restore the e-mail service to normal operation as quickly as possible • minimize the amount of lost e-mail and user work • you should prioritize restoring service over preserving changes made by other administrators • User complaint: • no incoming e-mail is being received

  7. The Per-Trial Information(one per trial)

  8. Trial #1 Details • E-mail server: undovm1.cs.berkeley.edu • access via ssh shortcut on desktop • root password: <elided> • E-mail user accounts: user1 – user200 • E-mail test user account: user250 • password: <elided> • Operations log: /root/operations_log.txt • Undo system is available for this session

  9. Trial #2 Details • E-mail server: undovm2.cs.berkeley.edu • access via ssh shortcut on desktop • root password: <elided> • E-mail user accounts: user1 – user200 • E-mail test user account: user250 • password: <elided> • Operations log: /root/operations_log.txt • Undo system is not available for this session

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