 | | | snap shot of live system? | snap shot of live system? 2007-09-11 - By Mertens, Bram
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Hi,
Not really, if you have enough disk space you might be able to move some
partitions around but it would be quite cumbersome. You need to create
partitions on the LVM logical volumes so you'll have to make place on
your disk to create the physical volumes.
Take a look at http://www.redhat.com/magazine/009jul05/features/lvm2/
for a quick intro. It has links to more LVM docs.
Regards
Bram
--
Bram Mertens
Web application Administrator / Red Hat Certified Technician
Mazda Motor Logistics Europe N.V.
Tel.: +32 3 860 12 61
>
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VAT BE 406.024.281, RPR Mechelen, ING 310-0092504-52, IBAN : BE64 3100 0925
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-- --Original Message-- --
> From: redhat-list-bounces@(protected)
> [mailto:redhat-list-bounces@(protected)] On Behalf Of Anne Moore
> Sent: maandag 10 september 2007 19:04
> To: 'General Red Hat Linux discussion list'
> Subject: RE: snap shot of live system?
>
> Thanks!
>
> Is it possible to create LVM's on already configured red Hat machines
> without hurting any data?
>
> Thanks
>
> Anne
>
> -- --Original Message-- --
> From: redhat-list-bounces@(protected)
> [mailto:redhat-list-bounces@(protected)]
> On Behalf Of Romeo Theriault
> Sent: Sunday, September 09, 2007 8:29 PM
> To: General Red Hat Linux discussion list
> Subject: Re: snap shot of live system?
>
> On 9/9/07, Anne Moore <diabeticithink@(protected)> wrote:
> >
> > Hi All, does anyone know if there is a Red Hat
> command/backup solution
> > that allows taking a snap shot of the system while it's mounted and
> > running in multi-user mode? (It would be equivalent to the fssnap
> > Solaris 10 command).
> >
> > Thank you!
> >
> > Anne
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> >
>
> Yes, but you need to be using LVM (Logical Volume Management)
> on the mount
> that you want to take a snapshot of. A quick way to tell if
> your using LVM
> is to type `lvs` at the command line. If you are using LVM it
> will show you
> somethin similiar to this.
>
> LV VG Attr LSize Origin Snap% Move Log Copy%
> LogVol00 VolGroup00 -wi-ao 31.78G
> LogVol01 VolGroup00 -wi-ao 1.94G
>
> For more info take a look at this webpage:
>
> http://www.redhat.com/magazine/009jul05/features/lvm2/
>
>
> --
> Romeo Theriault
> System Administrator
> University of Maine at Fort Kent
> Ph#: 207-834-7815
> Em@: romeo.theriault@(protected)
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