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Solaris Volume Manager (SVM): How to disable the SCSI-2 reservation (Doc ID 2505400.1)

Last updated on NOVEMBER 16, 2022

Applies to:

Solaris Operating System - Version 10 3/05 and later
Sun Solaris Volume Manager (SVM) - Version 11.10.0 and later
Information in this document applies to any platform.


In non-clustered environment, Solaris Volume Manager (SVM) issues the SCSI-2 reservation to the disks when the ownership of SVM diskset is taken or released.

But the SCSI reservation may cause unexpected reservation conflict panic in certain situation such as the SAN connectivity issue occurs in the configuration where the 3rd party storage array is hooked up.

The SCSI reservation is necessary to protect data in multi-host environment but for single host environment, the SCSI-2 reservation is unnecessary and it can be disabled.

This document explains how to disable the SCSI-2 reservation managed by Solaris Volume Manager (SVM) in non-clustered environment.



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