On Mon, 2022-11-07 at 09:14 +0100, Anders Andersson wrote: > On Mon, Nov 7, 2022 at 3:04 AM hw <h...@adminart.net> wrote: > > > Hi, > > > > I discovered that Redhat has VDO[1] to take care of deduplicating file > > systems. > > Aptitude didn't find any packages towards that. > > > > Is there no VDO in Debian, and what would be good to use for deduplication > > with > > Debian? Why isn't VDO in the stardard kernel? Or is it? > > > > I'm not looking for deduplication that happens some time after files have > > already been written like btrfs would allow: There is no point in > > deduplicating > > backups after they're done because I don't need to save disk space for > > them when > > I can fit them in the first place. > > > > > > [1]: > > > > https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/deduplicating_and_compressing_storage/deploying-vdo_deduplicating-and-compressing-storage#doc-wrapper > > > > > You could always buy Red Hat Enterprise Linux license, sign up for a > support contract, and ask if they could start supporting other operating > systems? ("Each branch on this project is intended to work with a specific > release of Enterprise Linux").
Huh? What would that accomplish? > I would be more worried if my backup storage didn't have enough room for at > least a full fresh and unique backup from one client. > - If it doesn't and something unexpected happens (user fills the whole > disk with something, malware encrypts all data = changes everything to > unique files, etc) then it will fill up the disk and ruin every other > backup. > - If you *do* have room for one client but not many more, you can always > deduplicate after each client backup which should regain everything if > nothing changed. None of this applies in this case. Are you saying that deduplication is not possible with Debian?