Tape robot and /migrate filesystem down for tapedrive upgrade

The taperobot is getting 2 new tapedrives installed and will be unavailable from 09:45 to approx. 11:00 16. Feb.
Files in /migrate (and /net/bcmhsm) will be unavailable.
This entry will be updated with more information later.

11:20 Update: The upgrade takes somewhat longer than planned.

12:45 Update: The upgrade is complete and filesystem back.