20240610 / Partitions modifications

• starting today:
  • E5 is in DRAIN mode, to be modified
  • E5 wall time will be reduced to 4 hours
  • new partition E5-short, with 30 minutes walltime
  • new partition E5-long, with 8 days walltime
• starting tomorrow:
  • Lake-flix and Cascade-flix will be in DRAIN mode, to be renamed Lake-premium and Cascade-premium

These modifications might take the entire week (due to draining jobs).