Wouldn't that be a good candidate for LVM snapshots? (Sorry, if that's not germane to the subject...I haven't followed the thread until now.)
On Wed, Aug 25, 2010 at 12:03 PM, Christian Paro <christian.p...@gmail.com>wrote: > Not quite what I meant. > > I was thinking of situations where the original system would be temporarily > shut down during the cloning or backup operation. In this case, the "owner" > would access the file system read-write, but it'd be safer for the "cloner" > to only have read-only access to those disks. They would not, however, be > accessing these file systems at the same time. > > On Wed, Aug 25, 2010 at 12:34 PM, Edmund R. MacKenty < > ed.macke...@rocketsoftware.com> wrote: > > > On Wednesday, August 25, 2010 12:21:50 pm Mark Post wrote: > > > This would be a very dangerous practice, and one I always tell people > to > > > never use. If a file system is going to be shared between Linux > systems, > > > it needs to be mounted read-only by all systems, including the "owner" > of > > > it. > > > > Thanks Mark! I was writing a similar reply when yours arrived. Having a > > read-write mount to a shared Linux filesystem is just asking for it to be > > corrupted, because of multiple caches being unaware of each other. > > Please do not do that! > > - MacK. > > ----- > > Edmund R. MacKenty > > Software Architect > > Rocket Software > > 275 Grove Street - Newton, MA 02466-2272 - USA > > Tel: +1.617.614.4321 > > Email: m...@rs.com > > Web: www.rocketsoftware.com > > > > ---------------------------------------------------------------------- > > For LINUX-390 subscribe / signoff / archive access instructions, > > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or > > visit > > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > ---------------------------------------------------------------------- > > For more information on Linux on System z, visit > > http://wiki.linuxvm.org/ > > > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/