[zfs-discuss] Dedup... still in beta status

2010-06-15 Thread Fco Javier Garcia
Data: 90% of current computers has less than 9 GB of RAM, less than 5% has SSD systems. Let use a computer storage "standard", with a capacity of 4 TB ... dedupe on, dataset with blocks of 32 kb ..., 2 TB of data in use ... need 16 GB of memory just only for DTT ... but this will not see it unti

Re: [zfs-discuss] Dedup... still in beta status

2010-06-15 Thread Fco Javier Garcia
> Realistically, I think people are overtly-enamored > with dedup as a > feature - I would generally only consider it > worth-while in cases where > you get significant savings. And by significant, I'm > talking an order of > magnitude space savings. A 2x savings isn't really > enough to counte

Re: [zfs-discuss] Dedup... still in beta status

2010-06-15 Thread Fco Javier Garcia
or as a member of the ZFS team > (which I'm not). > Then you have to be brutally good with Java > -- > Erik Trimble > Java System Support > Mailstop: usca22-123 > Phone: x17195 > Santa Clara, CA > > ___ > zfs-discuss mailing list > zfs-discus

Re: [zfs-discuss] Dedup... still in beta status

2010-06-16 Thread Fco Javier Garcia
> This may also be accomplished by using snapshots and > clones of data > sets. At least for OS images: user profiles and > documents could be > something else entirely. Yes... but that will need a manager with access to zfs itself... but with dedupe you can use a userland manager (much more

Re: [zfs-discuss] Dedup... still in beta status

2010-06-16 Thread Fco Javier Garcia
> > I think, with current bits, it's not a simple matter > of "ok for > enterprise, not ok for desktops". with an ssd for > either main storage > or l2arc, and/or enough memory, and/or a not very > demanding workload, it > seems to be ok. The main problem is not performance (for a home serve

Re: [zfs-discuss] Dedup... still in beta status

2010-06-16 Thread Fco Javier Garcia
> > Does the machine respond to ping? Yes > > If there is a gui does the mouse pointer move? > There is no GUI (nexentastor) > Does the keyboard numlock key respond at all ? Yes > > I just find it very hard to believe that such a > situation could exist as I > have done some *abusive* tes

Re: [zfs-discuss] Dedup... still in beta status

2010-06-16 Thread Fco Javier Garcia
I had the same experience. Finally i could remove the dedup dataset (1,7 TB)... i was wrong... it wasnt 30 hours... it was "only" 21 (the reason of the mistake: first i tried to delete with nexentastor enterprises trial 3.02... but when i see that there was a new version of nexentastor comunity