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| Description |
Verifies all data file writes by re-reading after a write to check data integrity. The value set in 'VW' defines the number of retries before a data write error is generated. |
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| *Note* |
'VW' can be helpful in tracking down hardware-related data corruption problems. |
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(There is some impact on system performance.) TCB( ) returns the following values for this parameter:
TCB(63)- Number of writes verified
TCB(65)- Number of writes mis-compares.
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| Default |
'VW'=0 |
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| See Also |
TCB( ) Return Task Information. |