Somewhat on the same topic.... Does Data Domain support various storage solutions on the back-end? Is there any worry that EMC might tie into their storage offerings somehow, rendering other solutions unusable and/or unsupported?
- Sean On Fri, Oct 30, 2009 at 11:23 AM, Kevin Lundy <[email protected]> wrote: > I had a box in for 2 weeks testing. It is very impressive. They give you > 2 metrics. They give you a deduplication amount, and then a compression. So > data is deduped, then compressed. In our tests, the total compression > (dedupe x compressed) varied quite a bit based on the data. The total > number also increases over time. So your first backup to DD only dedupes in > essence duplicate files. But the second and third and fourth start adding > significant dedupe. > > In 2 weeks, flat file backups were getting close to 20x. vRanger backups > of VMDC was getting 82x. I had one share of flat file data that got close > to 40x on the first pass which is not typical. That share holds our > "publications" data which we know has a lot of duplication even at the file > level, much less at the 4k block level. > > SQL dumps of our Solarwinds (network monitor) DB got a 2x dedupe and about > a 4x compression - with only 2 full backups. > > So yes, I believe 20x is realistic in most environments. > > On Fri, Oct 30, 2009 at 3:08 PM, Roger Wright <[email protected]> wrote: > >> After attending a recent presentation for Data Domain's platform and >> technology, I'm intrigued. The stated up to 20X compression is impressive >> if realistic. >> >> Can any of you relate your experience using DD's products? >> >> >> Roger Wright >> ___ >> >> >> >> >> >> >> > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
