Symptom
Chunk errors occur on Nexsan devices with the following errors:
Error Code 40:91:
Failed to Copy or verify Chunk [] in media [], Storage Policy [], Copy [], Host [], Path [], File Number [], Backup Jobs [].\].Data read from media appears to be corrupted. Data read from media appears to be corrupted.Error Code 62:469:
Data read from media appears to be corrupted.Log files might include entries similar to the following:
AuxCopy.log located on the corresponding MediaAgent:
[F:\MAG11-F\BASE-F\CV_MAGNETIC\V_6561581\CHUNK_5847058\CHUNK_META_DATA_5847058] file 14490301-16560393 [DM_BASE ] DataMoverSingleInstancer::OpenChunkSpecific: Not honoring readless mode because this job type is [13]. Dest Copy Id [0] 14490301-16560393 [DM_BASE ] Readless mode [false] CCVAPipelayer::SetEncryptProps() - Entered CCVAPipelayer::SendCommandToDSBackup() - Sent Command 156 to MediaAgent, Waiting for Response... [PIPELAYER ] Tail response = Get PL_SET_ENC_PROPS Message Status = 0 dwCode = 0 MsgType = 16 MsgSubType = 156 EventError = 0 Successfully opened the archive files on the media...going to read data. ###### [ NULL] invalid tag header 14490301-16560393 [DM_BASE ] **ERROR** DataMoverSingleInstancer::ReadTagHeader: Failed to convert the tag header to Host byte order. Tag header got =
JobManager.log located on the corresponding MediaAgent:
Scheduler Set pending cause [Failed to Copy or verify Chunk [5847058] in media [CV_MAGNETIC], Storage Policy [...], Copy [1:Primary Disk], Host [...], Path [F:\MAG11-F\BASE-F\CV_MAGNETIC\V_6561581], File Number [121], Backup Jobs [ ].Data read from media appears to be corrupted.aData read from media appears to be corrupted.a]::Client [...] Application [AuxCopy] Message Id [671088731] RCID [14490301] ReservationId [0]. Level [0] flags [0] id [0] overwrite [0] append [1] CustId[1040187861].Resolution
Older Nexsan firmware must be updated. Use the appropriate version based on your storage device type.
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For SATABeast 2.5, use firmware version Pp70 or later.
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For SATABeast 2, use firmware version Nj67 or later.
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For other devices, contact Nexsan.
A list of the latest firmware release is available at https://helper.nexsansupport.com/.