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Exalogic: How to enable swap if we get an error 'swapon: /dev/mapper/VolGroup00-LogVol01: read swap header failed: Invalid argument' ? (Doc ID 2675194.1)

Last updated on JUNE 04, 2020

Applies to:

Oracle Exalogic Elastic Cloud Software - Version 2.0.6.4.0 to 2.0.6.4.200114
Information in this document applies to any platform.

Goal

Under certain circumstance such as the following, you may be performing swap-off and swap-on

a. Swap is on and system is under memory pressure and swap is unused
b. Swap shows 0 and reluctant to clear though we have system RAM
c. Bloated SWAP

When doing swapon, you may see the error shown below, on some occasions:

 

Solution

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In this Document
Goal
Solution
References


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