Symptoms
On CISCO UCS nodes , booting from SAN may not be possible or otherwise boot performance / OS installation may be very slow.
Cause
The issue is a PowerStore internal limitation.
Resolution
This issue will be resolved on PowerStore 2.0 Service Pack 1.
Additional Information
The following online guide provides generic considerations for implementing boot from SAN on PowerStore :
https://www.dell.com/support/manuals/en-us/powerstore-500t/pwrstr-hcg/Consideration-for-Boot-from-SAN-with-PowerStore?guid=guid-edc46ee9-587f-459a-b1c7-e344fa25ced2&lang=en-us
The following CISCO Guide can be used to investigate and implement a possible parameters workaround:
https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/ucs-manager/GUI-User-Guides/Storage-Mgmt/4-1/b_UCSM_GUI_Storage_Management_Guide_4_1/b_UCSM_GUI_Storage_Management_Guide_4_1_chapter_01001.html