Maybe I’m misunderstanding the big picture here, but Time Machine allows you to specify files and volumes that are not to be backed up; and, although I’ve never tried it, I would try setting discretionary read-only permissions on the bundle and/or the interior volume to prevent any accidental modification of the contents.
On Mar 29, 2015, at 6:57 AM, Michael <keybou...@gmail.com> wrote: > > On 2015-03-28, at 12:36 AM, @lbutlr <krem...@kreme.com> wrote: > >>> >>> On Mar 27, 2015, at 21:33, Michael <keybou...@gmail.com> wrote: >>> >>> Is there a way to mount a sparse bundle as read only? >>> >>> keybounceMBP:~ michael$ mount -o ro /dev/disk3s2 >>> mount: /dev/disk3s2: unknown special file or file system. >>> keybounceMBP:~ michael$ mount -o ro /Volumes/Isolated\ old\ stuff/ >>> mount: /Volumes/Isolated old stuff/: unknown special file or file system. >>> keybounceMBP:~ michael$ >> >> Unmount the image first, then >> >> hdiutil attach -readonly /path/to/image.dmg >> >> (I think that’s right, double check the man page, it’s been a while since I >> used hdiutil_ > > So what works is simply > > disk=0s5; diskutil umount disk$disk ; diskutil mount readOnly disk$disk > > Then, changing that first bit (with ^5^6, or ^0s5^2s2) lets you apply that > read-only to any partition that you don't want updated. > > Good? No. > > Every read-only partition gets a deep scan on every backup. > > I even made sure it was read-write, backup could complete successfully, and > then read-only. Still gets deep scans. > > The good news: Now I know how to force a deep scan. > The bad news: I don't know how to have a read-only archive that does not need > to be updated (I don't want it to be updated) and still just "backup is a > no-op because it is read-only and not changing". > >> -- >> All I know is that using the strap makes me feel like a hot woman in >> sunglasses. :-) ~jeffcarlson >> >> _______________________________________________ >> MacOSX-talk mailing list >> MacOSX-talk@omnigroup.com >> http://www.omnigroup.com/mailman/listinfo/macosx-talk > > --- > Entertaining minecraft videos > http://YouTube.com/keybounce > > _______________________________________________ > MacOSX-talk mailing list > MacOSX-talk@omnigroup.com > http://www.omnigroup.com/mailman/listinfo/macosx-talk _______________________________________________ MacOSX-talk mailing list MacOSX-talk@omnigroup.com http://www.omnigroup.com/mailman/listinfo/macosx-talk
