Re: [gentoo-user] Re: Suggestions for backup scheme?

2024-02-09 Thread Peter Humphrey
On Friday, 9 February 2024 15:48:45 GMT Wols Lists wrote: > ... And I'm not worried about a double failure - yes it could happen, > but ... > > Given that my brother's ex-employer was quite happily running a raid-6 > with maybe petabytes of data, over a double disk failure (until an > employee

Re: [gentoo-user] Re: Suggestions for backup scheme?

2024-02-09 Thread Wols Lists
On 09/02/2024 12:57, J. Roeleveld wrote: I don't understand it exactly, but what I think happens is when I create the snapshot it allocates, let's say, 1GB. As I write to the master copy, it fills up that 1GB with CoW blocks, and the original blocks are handed over to the backup snapshot. And

Re: [gentoo-user] Re: Suggestions for backup scheme?

2024-02-09 Thread J. Roeleveld
On Thursday, February 8, 2024 6:44:50 PM CET Wols Lists wrote: > On 08/02/2024 06:38, J. Roeleveld wrote: > > ZFS doesn't have this "max amount of changes", but will happily fill up > > the > > entire pool keeping all versions available. > > But it was easier to add zpool monitoring for this on

Re: [gentoo-user] Re: Suggestions for backup scheme?

2024-02-09 Thread J. Roeleveld
On Thursday, February 8, 2024 6:36:56 PM CET Wols Lists wrote: > On 08/02/2024 06:32, J. Roeleveld wrote: > >> After all, there's nothing stopping*you* from combining Linux and ZFS, > >> it's just that somebody else can't do that for you, and then give you > >> the resulting binary. > > > >