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Updated dRAID HOWTO (markdown)

Isaac Huang 2017-04-13 21:29:05 -06:00
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dRAID-HOWTO.md

@ -27,7 +27,7 @@ Parity declustering (the fancy term for shuffling drives) has been an active res
# Use dRAID # Use dRAID
First get the code [here](https://github.com/zfsonlinux/zfs/pull/5841), build spl and zfs with _configure --enable-debug_, and install. Then load the zfs kernel module with the following options: First get the code [here](https://github.com/zfsonlinux/zfs/pull/5841), build spl and zfs with _configure --enable-debug_, and install. Then load the zfs kernel module with the following options:
* zfs_vdev_scrub_min_active=2 zfs_vdev_scrub_max_active=10 zfs_vdev_async_write_min_active=8: These options help dRAID rebuild performance. * zfs_vdev_scrub_max_active=10 zfs_vdev_async_write_min_active=4: These options help dRAID rebuild performance.
* draid_debug_lvl=5: This option controls the verbosity level of dRAID debug traces, which is very useful for troubleshooting. * draid_debug_lvl=5: This option controls the verbosity level of dRAID debug traces, which is very useful for troubleshooting.
Again, very important to _configure_ both spl and zfs with _--enable-debug_. Again, very important to _configure_ both spl and zfs with _--enable-debug_.