ZFS should be able to dump to a RAID-Z pool
Corresponds with Joyent issues
STOR-27 ZFS should be able to dump to a RAID-Z pool
STOR-57 new ZFS checksum algorithm: 'noparity'
STOR-60 zp_checksum == ZIO_CHECKSUM_OFF assertion blown in dbuf.c
STOR-62 incorrect asize assertion in vdev_raidz_physio()
Depends on Joyent STOR-57 for the following reason:
The implementation of STOR-27 (RAID-Z crash dump) does not compute the parity bits for each column in the RAID-Z map. As a result, when a pool is scrubbed, false ECKSUM errors are generated. These errors actually are reporting a parity failure, but the failure is expected since it was never computed in the first place.
We need a new checksum algorithm, 'noparity', which not only doesn't calculate the checksum of the data, but also does not check the parity of that block.
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