MRIE | Method of Reporting Informational Exceptions | ||
| 3h | This field indicates the method used by the target to report informational | |
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| exception conditions and must be set to 3. The target will report informational | |
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| exception conditions by returning a CHECK CONDITION status on any | |
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| command. The sense key will be set to RECOVERED ERROR with additional | |
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| sense of 5D00h (failure prediction threshold exceeded). The command that has | |
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| the CHECK CONDITION will complete without error before any informational | |
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| exception condition may be reported. | |
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Interval Timer | 0 | Must be zero, indicating that the drive only reports an informational exception | |
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| condition once. |
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Report Count/Test | 0 | If the Test bit is zero, this field is the Report Count and must be zero, indicating | |
Flag Number |
| that there is no limit on the number of times the drive can report an informational | |
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| exception condition. |
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| n | If the Test bit is one, this field is the Test Flag Number, that is, the number of a | |
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| supported TapeAlert flag. The target will generate a test informational exception | |
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| condition. As a result, the next SCSI command after Mode Select will return | |
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| CHECK CONDITION with a sense key of RECOVERED ERROR and additional | |
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| sense of 5DFFh (failure prediction threshold exceeded - false). | |
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| The following are valid settings: | |
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| 1 through 64 | This sets the TapeAlert flag with this number in the |
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| Log page. |
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| − 1 through − 64 | This clears the TapeAlert flag indicated by the |
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| absolute value of the Test Flag Number. | |
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| 32767 (7FFFFh) | This sets all the TapeAlert flags supported by the |
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| target in the Log page. |
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Note that if an attempt is made to set or clear a flag that is not supported by the drive, CHECK CONDITION will be reported with a sense key of ILLEGAL REQUEST and additional sense of 2600h (invalid field in parameter list).
Device Time mode page
The Device Time Mode page consists of the following page header followed by three Timebase descriptors:
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| 7 | 6 |
| 5 | 4 | 3 | 2 | 1 | 0 |
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| 0 | PS (0) | SBF (0) |
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| Page Code (3Ch) |
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| 1 |
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| Page Length (1Ah) |
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| 2 |
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| Reserved (0) |
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| LT | WT | PT | |
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| 3 |
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| Reserved (0) |
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92 Commands