Richard W.M. Jones wrote: > On Wed, Sep 15, 2010 at 05:47:23PM +0200, Jim Meyering wrote: >> Richard W.M. Jones wrote: >> > If you take a virtual disk and truncate it, then likely some >> > partitions in the partition table will be off the end of the disk. >> > >> > However parted refuses to start up in this case. It says: >> > >> > Error: Can't have a partition outside the disk! >> > >> > even if you are trying to do something sensible such as deleting a >> > partition which is outside the disk. >> > >> > I can't really see a "good" way to solve this, since it happens in the >> > depths of the constraints/geometry code. The attached patch just >> > deletes the error check, on the basis that parted should confine >> > itself to partition tables and not worry about the size of the disk. >> > Discuss ... >> >> Hi Rich, >> >> What is your use case? It seems rather unusual >> to want to do something with existing partitions >> once you have shrunk the underlying device. >> IMHO, that is not enough of a reason to remove >> the offending check altogether. > > We want to shrink the disk, then recreate the partition table, but at > the same time preserve the boot sector and boot loader. To do this we > copy the blocks at the start of the disk (up to just before the first > partition), then attach to this disk and remove the existing > partitions. The parted program fails at this point.
Hi Rich, If you first remove all partitions (possibly exempting any GRUB_BIOS partition), or at least the partitions that would be impacted by the planned shrinkage, you will have no problem. Can you do that? That worked for me in a contrived example. _______________________________________________ parted-devel mailing list [email protected] http://lists.alioth.debian.org/mailman/listinfo/parted-devel
