Is the image multiplexed on the source tape? If it is and you are created a de-muxed duplicate you will see this.
Ok, I'm watching iostat while vault is doing a duplication job. For some reason, the read from the source tape is twice as fast as the write.
For instance, I will see 60MB/sec of reads from source tape and maybe 30MB/sec of writes.
What would cause this? This is a new issue on this environment. I typically see vaults match speed on reads/writes.
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