NeilBrown wrote: > If a device is flagged 'WriteMostly' and the array has a bitmap, > and the bitmap superblock indicates that write_behind is allowed, > then write_behind is enabled for WriteMostly devices. Nice, but why is it dependent on WriteMostly? > This requires memory allocation to make a local copy of the data > being written. If there is insufficient memory, then we fall-back > on normal write semantics. Good! Also, it would be nice to have something like: echo 1 > /proc/md../../WriteBehindEnabled echo 10 > /proc/md../../WriteBehindMaxDelayBeforeSync Thanks! -- Al - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
