
528 Implementing the IBM Storwize V7000 V6.3
At system initialization, when devices are added to or removed from strands, and at other
times, the IBM Storwize V7000 Software performs a discovery process to update the state of
the drive and enclosure objects.
13.1.3 Power
All enclosures require two power supply units (PSUs) for normal operation. A single PSU can
power the entire enclosure for redundancy.
Control enclosure PSUs contain batteries and expansion enclosure PSUs do not. The
additional battery function requires two additional LEDs, which is the main difference between
the PSUs when viewed from outside.
There is a power switch on the power ...