So this sounds like a draw to me ;-)
On Tue, Jul 9, 2013 at 4:49 PM, Stefan Folkerts <[email protected]>wrote: > I don't think this is correct, TSM for Virtual Environments (and even just > the BA client with a simple full backup) will only backup the blocks that > are in use inside the .vmdk file, this information is provided by the > vSphere storage API. > > > On Tue, Jul 9, 2013 at 3:15 AM, Stackwick, Stephen < > [email protected]> wrote: > > > According to this: > > > > > > > http://www-01.ibm.com/support/docview.wss?uid=swg21641914&myns=swgtiv&mynp=OCSS8TDQ&mync=E > > > > TSM4VE backs up the whole disk. And that's been my experience. > > > > Steve > > > > STEPHEN STACKWICK | Senior Consultant | 301.518.6352 (m) | > > [email protected] | icfi.com > > ICF INTERNATIONAL | 410 E. Pratt Street Suite 2214, Baltimore, MD 21202 | > > 410.539.1135 (o) > > > > > -----Original Message----- > > > From: ADSM: Dist Stor Manager [mailto:[email protected]] On Behalf > > > Of Robert Ouzen > > > Sent: Monday, July 08, 2013 8:58 AM > > > To: [email protected] > > > Subject: [ADSM-L] FW: [ADSM-L] Should CBT be enabled before using TSM > for > > > VE to save space? > > > > > > Hi Wanda > > > > > > No quite sure at least in Vsphere 5 (maybe Vsphere 5.1) , I always > check > > with the > > > command: dsmc show VM all and the parameter : changeTracking: Off > > > > > > About the first backup will take only the USED space , at least in my > > environment > > > some machines works fine but some others backup the ALL space !!! > > > > > > Best Regards > > > > > > Robert > > > > > > -----Original Message----- > > > From: ADSM: Dist Stor Manager [mailto:[email protected]] On Behalf > > > Of Prather, Wanda > > > Sent: Monday, July 08, 2013 3:47 PM > > > To: [email protected] > > > Subject: Re: [ADSM-L] Should CBT be enabled before using TSM for VE to > > save > > > space? > > > > > > If your VM's were created in VSphere 5, CBT will be on by default. > > > > > > My understanding is that either way (starting with CBT on or off), you > > should > > > only get USED space on the first backup. > > > > > > > > > -----Original Message----- > > > From: ADSM: Dist Stor Manager [mailto:[email protected]] On Behalf > > > Of Michael Roesch > > > Sent: Monday, July 08, 2013 4:29 AM > > > To: [email protected] > > > Subject: [ADSM-L] Should CBT be enabled before using TSM for VE to save > > > space? > > > > > > Hi there, > > > > > > I've read here > http://www-01.ibm.com/support/docview.wss?uid=swg21608413 > > > that TSM for VE is using "content-aware" backup, if CBT is enabled. It > > also says > > > that TSM for VE will enable CBT after the first backup. > > > > > > So I'm wondering if enabling CBT before performing the first backup > would > > > make TSM for VE backup only the used blocks (i.e. used space) and hence > > would > > > save space on the storage pool? > > > > > > Or would TSM for VE still backup the full VMDK, including possible lots > > of unused > > > space inside it on the first backup? > > > > > > Regards, > > > Michael > > >
