Last updated on AUGUST 16, 2017
Applies to:Sun Storage DAT 72 Tape Drive - Version Not Applicable and later
Sun SPARC Enterprise T5220 Server - Version All Versions and later
Sun SPARC Enterprise T2000 Server - Version All Versions and later
Information in this document applies to any platform.
The host OS will report the following error in the /var/adm/messages file:
As can be seen in the example above, the drive was writing successfully for 3 hours and 20 minutes when the error appeared. In case of DAT-72 drives, at 5 MB/s write throughput, it is possible to write approximately 18 GB of data in one hour. If the drive was able to continuously write for this long without an exception, it is unlikely to be a read/write issue.
There may have been a large amount of data imported to the server recently, or the server has been upgraded, with fallback installation taking up disk capacity.
However, even if there are no apparent changes, the server may have been accumulating data and increasing the backup set until it grew beyond tape capacity
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