ESXi host crashes intermittently after Powerpath/VE 6.1 installed or upgraded

Environment:

PowerPath/VE for VMware 6.1

 

Description:

    vmkdump.log:

===========

2016-11-15T21:28:26.753Z cpu6:40665)ScsiDeviceIO: 2613: Cmd(0x439e09fa1180) 0x28, CmdSN 0x80000036 from world 40658 to dev "naa.6006016028803c

002ed05c64872fe511" failed H:0x0 D:0x0 P:0x4 Possible sense data: 0x0 0x0 0x0.

ESC[31;1m2016-11-15T21:28:26.753Z cpu6:40665)ALERT: PowerPath:Completed the platform IO because of the PowerPath errorESC[0m

ESC[31;1m2016-11-15T21:28:26.755Z cpu63:33331)ALERT: PowerPath:Failed to alloc PirpESC[0m

ESC[31;1m2016-11-15T21:28:26.755Z cpu63:33331)ALERT: PowerPath:Failed to Create PirpESC[0m

2016-11-15T21:28:26.755Z cpu63:33331)ScsiDeviceIO: 2613: Cmd(0x43aa09099000) 0x2a, CmdSN 0x80000031 from world 38551 to dev "naa.6006016028803

 

vmkernel.log

============

2016-11-16T02:19:53.184Z cpu77:33345)PowerPath:Failed to alloc Pirp

2016-11-16T02:19:53.164Z cpu33:39763)PowerPath:Completed the platform IO because of the PowerPath error

2016-11-16T02:19:53.164Z cpu33:39763)PowerPath:Failed to Create Pirp

2016-11-16T02:19:53.164Z cpu33:39763)PowerPath:Failed to alloc Pirp

2016-11-16T02:19:53.460Z cpu60:33707)PowerPath:Failed to alloc Pirp

 

Resolution:

Pirp heap are full when there are large number of IOs pending below PowerPath level and very few IOs pending are from the dump.
vmkernel does not track the heap allocation pattern but facilitates and controls the heap consumer
. This issue is fixed in Powerpath/VE for VMware 6.2.

For a detailed resolution please refer to DELL EMC Support Solution 493235 https://support.emc.com/kb/493235

 


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