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How to Access (Root) Disk under Solaris Volume Manager Control (SVM) from Failsafe or CDROM and Update the boot_archive in Solaris 10 (Doc ID 1340586.1)

Last updated on APRIL 17, 2023

Applies to:

Solstice DiskSuite Software - Version 4.2 and later
Solaris Operating System - Version 10 to 10 8/11 U10 [Release 10.0]
Sun Solaris Volume Manager (SVM) - Version 11.10.0 and later
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)


The documented procedure allows you to access a (root) file system under Solaris Volume Manager Control without unencapsulating it first. This is useful if your system cannot boot anymore and you have to boot it from failsafe, CDROM or network.

Please remember: Do not mount physical disks read-write, do not run fsck on a physical disk when the disk is in use by Solaris Volume Manager.
Note: The failsafe boot and boot archive features are introduced in SPARC Solaris 10 10/08 (Update 6) and higher and in Solaris 10 x86 1/06 (Update 1) and higher. The procedure can also be applied to earlier Solaris releases by booting from cdrom / dvd media or the network to access/modify the Solaris Volume Manager mirror.
Certainly, boot archive repair is not necessary in the earlier Solaris releases.


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