ACFSSNAP0 spinning results High CPU usage

(Doc ID 2091379.1)

Last updated on DECEMBER 21, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

On restart ACFSNAP0 process goes into a cycle consuming very high CPU and preventing anything else from progressing on the server.

ACFS persistent logs:

F0 9660150.243/150331214414 rm[635889] OfsAddDrflEntry: fenum 6, GDRFL,
granularity 1

 

 

a) acfsutil log -p ofs -n 5
b) wait 2-3 hours
c) acfsutil log -p ofs -n 2

with above increased ACFS persistent logging,

F0 5055136.371 rm[546125] ofs_rmdir: Enter: removing Client
F0 5055136.379 rm[546125] OfsAddDRFLEntry: Enter TgtFileEntry 0xA3D60C,
(global)
F0 5055136.383 rm[546125] OfsAddDRFLEntry: found slot, off: 0x108000, slot
0x25
F0 5055136.383/151023100214 rm[546125] OfsAddDrflEntry: fenum 6, GDRFL,
granularity 1



Cause

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