On Wed, Dec 9, 2009 at 2:47 PM, Bruno Sousa <bso...@epinfante.com> wrote: > Hi Andrey, > > For instance, i talked about deduplication to my manager and he was > happy because less data = less storage, and therefore less costs . > However, now the IT group of my company needs to provide to management > board, a report of duplicated data found per share, and in our case one > share means one specific company department/division. > Bottom line, the mindset is something like : > > * one share equals to a specific department within the company > * the department demands a X value of data storage > * the data storage costs Y > * making a report of the amount of data consumed by a department, > before and after deduplication, means that data storage costs can > be seen per department
Do you currently have tools that report storage usage per share? What you ask for looks like a request to make these deduplication-aware. > * if theres a cost reduction due to the usage of deduplication, part > of that money can be used for business , either IT related > subjects or general business > * management board wants to see numbers related to costs, and not > things like "the racio of deduplication in SAN01 is 3x", because > for management this is "geek talk" Just divide storage costs by deduplication factor (>1), and here you are (provided you can do it by department). Regards, Andrey > > I hope i was somehow clear, but i can try to explain better if needed. > > Thanks, > Bruno > > Andrey Kuzmin wrote: >> On Wed, Dec 9, 2009 at 2:26 PM, Bruno Sousa <bso...@epinfante.com> wrote: >> >>> Hi all, >>> >>> Is there any way to generate some report related to the de-duplication >>> feature of ZFS within a zpool/zfs pool? >>> I mean, its nice to have the dedup ratio, but it think it would be also >>> good to have a report where we could see what directories/files have >>> been found as repeated and therefore they "suffered" deduplication. >>> >> >> Nice to have at first glance, but could you detail on any specific >> use-case you see? >> >> Regards, >> Andrey >> >> >>> Thanks for your time, >>> Bruno >>> >>> _______________________________________________ >>> zfs-discuss mailing list >>> zfs-discuss@opensolaris.org >>> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss >>> >>> >>> >> >> > > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
