Why not use a 1U HPE StoreEver 1/8 G2 autoloader (8 slots with 1 LTO 8 streamer means it can store 96TB before you have to change tapes) with 6Gb SAS or 8Gb fiberchannel so it can connect to a server using a standard HBA in Windows or Linux, fits in the nice rack you have, has hardware AES encryption and costs about the same. LTT 论坛里面的回复也有很多方案 https://linustechtips.com/main/topic/976374-we-got-a-5500-tape-drive