User`s guide

Error Report (GCOS 7 PRLOG)
77 A7 48UU Rev03 B-5
B.2 I/O Errors
The PRLOG contains an area dedicated to each logical device named History
report for MSxx FSA. This area reports all types of I/O errors such as: NT with
marginal conditions, ASR, ANR, AMR) and the Attentions.
NOTE:
Some I/O errors and attentions, reported by WSP-A, are filtered by GCOS 7
(AVAIL & PIARS) and are not displayed in the PRLOG.
B.3 Disk PSB/DSB Termination Report
PSB and DSB terminations from DSB0 to DSB15 are listed below, see PA1605
(FSA) for details.
The DSBs beyond DSB15 are specific to devices. The values are given here for
WSP and disc:
PSB1
bit 0 Modifier Always 1
bit 1 Status Control (Origin of status)
bit 2 Channel Program Check (Programming Error)
bit 3 Detailed Status Pending
bit 4 Data Error
bit 5 Hardware condition: Hardware fault
bit 6 Operational Check
bit 7 Device Condition
PSB2
bit 0 Channel Interface Parity Error
bit 1 Header Field Missing
bit 2 Header Field Unrecoverable error
bit 3 Physical Block Field Missing
bit 4 Physical Block Unrecoverable
bit 5-7 RFU
PSB3
bit 0 Unequal Length Check
bit 1 Device or Path Reserved
bit 2 RFU
bit 3 Write Protect
bit 4 Operating Mode Violation
bit 5-6 RFU
bit 7 Physical End of File