Jose Luis Lopez Campoy wrote: > Good evening! > > Here at work we are considering switching our linux-based NAS systems to > OpenSolaris because of ZFS, but I have some doubts. > > Imagine we have a 500Gb hard disk full of data. We do an snapshot of the > data, for backup or whatever, then we delete those files and try to save > another 500 gigs of info there.
that won't work - the snapshot is will cause the data to be retained *as it was at the time of taking the snapshot*. > How does the copy-on-write manage the free space? the space isn't free as long as there's a snapshot referencing it. > Would the snapshot be overwritten or the system would warn there is no > free space? I'd expect you'd get "no free space" or something like that. Michael -- Michael Schuster http://blogs.sun.com/recursion Recursion, n.: see 'Recursion' _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
