IBM Tivoli Storage Manager has used the 'incrementals forever' model for many years, and in environments from mainframes on down - just not with dedupe, though that may now be a feature. The more I play with other solutions, the more I miss TSM.
On Wed, Feb 16, 2011 at 04:44, Paul Hutchings <[email protected]> wrote: > Thanks Andrew, I am already trialling the d2d and dedupe with Commvault (our > current product). > > > > Don’t misunderstand me, I’m not suggesting I’m dealing with flat-earther’s > and they aren’t suggesting “don’t’ do it”, I just found it a bit of an odd > stance how they seemed inherantly distrusting of dedupe “because it’s a > database” whilst no-one questions the numbers in a financial system that is > held in a database, or if they do, the assumption is the input or the > formulae are wrong, nobody ever questions if the database has stuffed up and > randomized a value etc. > > > > I’ll happily admit myself that I’d still want to take traditional full’s > every so often rather than rely on a single full and then “incremental > forever”, and I’d still be looking to spool the deduped backups to > non-deduped tape. > > > > Paul > > From: Andrew S. Baker [mailto:[email protected]] > Sent: 16 February 2011 12:07 > To: NT System Admin Issues > Cc: Paul Hutchings > Subject: Re: Dedupe - Do you trust it? > > > > The basic concepts of data deduplication is used in a lot of places, not the > least of which are compression algorithms, data encryption, WAN > optimization, etc. > > > > I think that the technology is mature, and that there's a lot of impetus to > do it right, in general. > > > > Unless they're going to suggest that they don't trust ANY data in non-native > format, they'll have to concede that they accept all sorts of data > abstraction for other reasons on a regular basis. > > > > This one saves both time and disk space. > > > > You should speak to your favorite vendor in this space and get a pilot, so > you can see/smell/feel it in action for yourself. > > > > ASB (Find me online via About.Me) > Exploiting Technology for Business Advantage... > > > > On Wed, Feb 16, 2011 at 6:30 AM, Paul Hutchings <[email protected]> > wrote: > > Just having a discussion with my boss and a colleague about backup strategy. > > > > They’re a little mistrusting of dedupe on the basis “It’s a database it can > go wrong”, to which my retort was largely a combination of having to have > faith in an established vendor, combined with “If a database gives you a > value you assume it’s correct, you don’t think “what if the database has > corrupted the value” because you have faith in the checks and balances that > ensure the data is atomic”. > > > > So, what are you views on dedupe when it comes to backups? > > ________________________________ > > MIRA Ltd > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > ________________________________ > MIRA Ltd > Watling Street, Nuneaton, Warwickshire, CV10 0TU, England > Registered in England and Wales No. 402570 > VAT Registration GB 100 1464 84 > The contents of this e-mail are confidential and are solely for the use of > the intended recipient. If you receive this e-mail in error, please delete > it and notify us either by e-mail, telephone or fax. You should not copy, > forward or otherwise disclose the content of the e-mail as this is > prohibited. > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
