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Troubleshooting Hangs When Running Format and Other Disk Management Tools (Doc ID 1385747.1)

Last updated on OCTOBER 05, 2022

Applies to:

Solaris Operating System - Version 10 6/06 U2 and later
Information in this document applies to any platform.


Multiple issues can lead to format and other disk management tools to appear to hang due to disk in-use checking.
The goal of this document is to assist you in determining where the issue lies and some methods to resolve the issue.


Note. There is a known issue with Solaris 11.3 , described on this BUG:
Bug 23329230 - Backport 23575819 to 11.3-SRU - Running format against large amount of LUNs 800+
format may run very slow when there is a large amount of disks,
the workaround is to use NOINUSE_CHECK=1 ,
but this Bug is fixed in Oracle Solaris (or greater)


Troubleshooting Steps

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In this Document
Troubleshooting Steps
 Affected tools
 Is disk in-use checking causing the hang?
 Disk in-use checking confirmed as a cause
 Disk in-use checking not causing behaviour

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