A single disk went missing in a Flex Array with Raid 0 and it resulted in Multi disk Panic.
The Node panicked as it could not talk to that one disk which was part of the raid group and was not visible from any available paths.
Mon Jun 15 13:06:43 UTC [Dxx002: config_thread: raid.config.filesystem.disk.missing:info]: File system Disk /AGGR1_N2/plex0/rg2/DEFRSAN10:34.126L59 Shelf - Bay - [3PARdata VV 3226] S/N [60002AC0000000005000E2720001ABA7] UID [60002AC0:00000000:5000E272:0001ABA7:00000000:00000000:00000000:00000000:00000000:00000000] is missing.
Mon Jun 15 13:06:43 UTC [Dxx002: config_thread: cf.multidisk.fatalProblem:info]: Node encountered a multidisk error or other fatal error while waiting to be taken over. aggr AGGR1_N2: raid volfsm, fatal disk error in RAID group with no parity disk. raid type raid0 Group name plex0/rg2 state NORMAL 1 disk failed in the group. Disk DEFRSAN10:34.126L59 Shelf - Bay - [3PARdata VV 3226] S/N [60002AC0000000005000E2720001ABA7] UID [60002AC0:00000000:5000E272:0001ABA7:00000000:00000000: 00000000:00000000:00000000:00000000] error no valid path to disk.