Chris Dinneen

I too could not get the periodic boundary condition working in devito. The channel cfd notebook explicitly states this at the bottom. If you look at the last plot, the...

I think the root cause of this may be that LTO6 tapes cannot be read in an LTO8 drive. [IBM Tape Compatibility Matrix](https://www.ibm.com/docs/en/ts3500-tape-library?topic=overview-mixing-media-in-drives)

Thanks for the comments. I will have a read through and submit an update later tonight. Perhaps I should have submitted the T10KD cartridge PR first!

Just submitted #72

Updated Media type to the correct value.

Drive support is listed [here](https://github.com/markh794/mhvtl/blob/d3ec98550dc375696dfdc134ce19dd1942d566e1/usr/vtllib.h#L211)