I once had a research assistant come to me almost trembling because he'd deleted the disk images for a set of critical VMs. I asked if the VMs were still running, and he said they were. So, I dd'd a copy of the disk images using the technique you describe here, and all was well.
He bought me more free coffees than I could drink for the next month :-) -Chris On Tue, Jul 7, 2020 at 7:52 PM Bill Bogstad <[email protected]> wrote: > On Tue, Jul 7, 2020 at 10:54 AM Jerry Feldman <[email protected]> wrote: > > > > Additionally, you can use debugfs along with the inode to create a link > > Never used that command, but from the manual page it looks straight > forward to do so. > Two thoughts though: > > 1. debugfs appears to only work with ext* filesystems. The > /proc/PID/fd method should work with XFS, ZFS, etc.. > 2. debugfs appears to need read/write access to the disk partition. > The method I suggested can be > used by any unprivileged user who accidentally removes the output file > of a long running program. > > Bill Bogstad > _______________________________________________ > Discuss mailing list > [email protected] > http://lists.blu.org/mailman/listinfo/discuss > _______________________________________________ Discuss mailing list [email protected] http://lists.blu.org/mailman/listinfo/discuss
