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On systems with a large number of CPUs and a large number of zpools, "fork: Resource temporarily unavailable" errors occur even if sekpsize has already been increased (Doc ID 2211699.1)

Last updated on FEBRUARY 01, 2019

Applies to:

Solaris Operating System - Version 11.1 to 11.3 [Release 11.0]
Information in this document applies to any platform.
Not Applicable for Solaris 11.4 and above ( see unpublished bug 24798432 which sets segkp's new size to 380GB on Sparc and 315GB on x86 )

Symptoms

Nov 10 07:17:02 xxxxxx sshd[1022]: [ID 800047 auth.error] error: fork: Resource temporarily unavailable

Changes

 segkpsize was increased several times (up to 8G) but fork failures were still seen on the system

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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