jscha...@netmeister.org (Jan Schaumann) writes: >Hi,
Hi, >$ sudo newfs -C 2 /dev/rvnd0a There is no '-C'. Maybe -O 2 ? But resize_ffs doesn't support shrinking FFS2 and should complain when you try. >[ back to two '1048576' sized partitions ] >$ sudo fsck_ffs -y -f /dev/rvnd0b >[ all ok ] The 'b' filesystem was probably never changed but maybe trashed in a way that fsck doesn't understand. >$ sudo resize_ffs -v /dev/rvnd0b >No change requested: already 524288 blocks The superblock and partition agree. Nothing to do and nothing to check. >$ sudo fsck_ffs -y -f /dev/rvnd0a >** /dev/rvnd0a >CANNOT READ: BLK 2010160 >CONTINUE? yes The 'a' filesystem still thinks it is 1GB and you try to shrink it. But the disklabel already restricts access to the lower half. Any attempt to access data from the upper half fails. >$ sudo resize_ffs -v /dev/rvnd0a >resize_ffs: read failed: Invalid argument Dito. Shrinking requires access to all the data. >So... how do I shrink a filesystem? You tell resize_fsck the new size with -s and then reduce the partition size accordingly.
