[developer] Re: zdb as desperate recovery

2018-12-09 Thread allanjude
If you know the object number, i suppose it would be doable. zdb - -O media/svn/freebsd sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Will list all of the indirect blocks, with their DVAs, which you can then use `zdb -R pool DVA` on. Looping though all of the L0 blocks and copying th

Re: [developer] OpenZFS feature flag at zpool create proposal

2018-12-09 Thread allanjude
I would say that having the default be 'portable' (which itself may just be an alias to portable-2018 much like compress=on is now LZ4), makes the most sense. If a user wants to use a feature that is not included in that, 'zpool upgrade -o features=all' or specifically enabling individual featur