assess tape throughput
(I also asked this in the Networker support forum)
In our quite simple environment, we are (still) doing direct backup to LTO, running Networker 8.2 on Linux (SLES11).
Does anybody know how we could properly the throughput per tape device over time, to see if the data rates match?
We tried sar, but this utility does not seem to address tape devices.
We found nsrio, but this unofficial utility is quite old.
nsrwatch has the relevant data, but cannot be redirected to a log file.
The statistics collected by Networker appear to be too inaccurate (only offering avarages over savesets or savegroups).
Should we try to measure what goes over the FC ports?
Thanks for offering a tip.
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