T10000 - 3777 Error

Asset ID:	1-72-2300793.1
Update Date:	2017-09-15
Keywords:

Solution Type Problem Resolution Sure

Solution 2300793.1 : T10000 - 3777 Error

Applies to:

Sun StorageTek T10000 Tape Drive - Version All Versions and later
Information in this document applies to any platform.

Symptoms

3777 errors reading certain tapes.

Cause

Tape gets into a bad state.

FSC Dictionary Description:
MODEL = T10000C
FSC = 3777
(FSC Match Found in Rev. 3.63)

FSC: 3777 RO_FSC_SCAN_READ_NO_VALID_MCF

MIM Code: INOPERABLE

FRU: MICROCODE CONF: 100%

Summary: |INVALID UCODE |GLOBAL VALUE | *** |

Field Text:
Could not read from tape because of insufficient sync information.

Engineering Text:
The RO MCF register did not contain a valid MCF after a scan read operation completed. This indicates that the scan read failed.

Support Annotations:
T10000A/B/C/D - 3777 Error. See bug 20306327. If the initial write to the tape at blockid 0 fails (on a blank tape or one being reclaimed/reused) you can end up with a situation where the tape is not blank but no data is written to the tape. In this case it will post a 3777 error when the tape is used.

Solution

If the initial write to the tape at blockid 0 fails (on a blank tape or one being reclaimed/reused) you can end up with a situation where the tape is not blank but no data is written to the tape. In this case it will post a 3777 error when the tape is used. If you are sure no customer data is on the tape you can run the Make Data Tape utility using VOP to the tape to restore it. Make Data Tape will work for the Sysadmin and Service version of VOP or MD VOP.

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