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.
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
Affected Products
PowerStore