[CentOS] Re: Freeing pv space for snapshots

Scott Silva ssilva at sgvwater.com
Sat Jan 6 23:21:44 UTC 2007


Johnny Hughes spake the following on 1/6/2007 1:05 AM:
> On Fri, 2007-01-05 at 11:25 -0800, Scott Silva wrote:
> <snip>
> 
>>> Right, if you can't unmount there are several options ... we have a
>>> rescue mode on CD-1, the DVD, or the Single Server CD ... also we have
>>> the live CD.
>>>
>>> The OS you boot to needs LVM2 and all the EXT3 tools ... personally I
>>> recommend the LiveCD ... that was one of it's main purposes.  It is much
>>> more full featured than the rescue mode on the other CDs.
> 
>> What would be nice, if it already isn't in the live cd, would be a command or
>> binary to look for and mount the existing installations like the rescue mode
>> does. If this is already there, then pardon me, as I haven't seen it.
>> A lot of us know how to walk through and do this, but many people do not.
> 
> While the LiveCD does not mount the devices in /mnt/sysimage ... it can
> automount all partitions.
> 
> If you start it with the command:
> 
> linux automount
> 
> You end up with all your partitions mounted in /mnt/ by their name.
> 
But does that mount LV's in LVM? Or do you still need to use LVM commands to
activate LV's?

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