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Full Discussion: VxVM
Operating Systems Solaris VxVM Post 60294 by andy11983 on Friday 14th of January 2005 09:29:02 AM
Old 01-14-2005
VxVM

All solaris rescue gurus out there ....

I've a Solaris 2.6 E450 on which my sysadmin guy has deleted every file (not sub-directories) from the /etc directory.

The machine is (was) running Vxvm with the root volume encapsulated.

I've tried booting from CDROM, mounting the root volume directly, and copying the contents of the etc directory back into place then editing the /etc/system file to forceload drivers and put in Vxvm entries to get the root volume up but the system fails to forceload the drivers then panics with a mutex error.

A'm I going about this the right way, or is there a better way?

I need to get some data off one of the other Vxvm-managed volumes.

Problem is that /usr /var and /opt were all seperate volumes and have been encapsulated under volume manager. The / volume is not big enough to hold the whole OS and

We've patched enough of the etc directory back together to get the machine running off the rootvol but then the machine has no /usr contents and hence no commands to do anything..

The boot proess is falling apart every time I try to add back the VX config into the /etc/system file to allow boot with Volume Manager enabled, either because it can't do the focreload of the vx drivers.

Does anyone kno why (how to) when I'm booted from CD, how to eject the OS CD so that I can insert the Vol Manager install CD and try tools on there?

thanks for your help guys/gals

andy
 

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volunroot(8)						      System Manager's Manual						      volunroot(8)

NAME
volunroot - Remove Logical Storage Manager hooks for rootable volumes SYNOPSIS
/usr/sbin/volunroot [-a | -A] OPTIONS
Specifies that all volumes on the system disk be converted back to UNIX disk partitions, not just the root and swap volumes, rootvol and swapvol. Forces removal of the private region unless it is the last one in the system. DESCRIPTION
The volunroot script can be used to restore the accessibility of the root, swap, and other file systems on the boot disk directly through disk partitions instead of through volume devices. The script also removes other changes that were made to enable booting of the system from the root volume, so that the system will boot with no dependency on the Logical Storage Manager. When used with no options, volunroot affects only the root and swap volumes, rootvol and swapvol. For volunroot to work properly, only one plex must exist for each of the affected volumes. This plex must be the one created by volrootmir or the original plex created when the root disk was encapsulated. This ensures that the underlying subdisks will have equivalent partitions defined for them on the disk. If these conditions are not met, the volunroot operation fails and none of the volumes are converted to disk partitions. The unwanted plexes can be removed using either voledit or volplex. SEE ALSO
volencap(8), voldiskadm(8), voledit(8), volintro(8), volplex(8), volrootmir(8) volunroot(8)
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