On 01/14/11 01:58 PM, Drew Fisher wrote:
After talking with Darren, he and I came up with something that should
satisfy the multiple types of vdev redundancy options:
<target>
<disk>
<disk_name name="c3t0d0" name_type="ctd"/>
<partition action="create" name="1" part_type="191">
<size val="-" start_sector="-"/>
<slice name="0" action="create" force="false" zpool="rpool">
<size val="-" start_sector="-"/>
</slice> <slice name="1" action="create" force="false" zpool="rpool">
<size val="-" start_sector="-"/>
</slice>
<slice name="3" action="create" force="false" zpool="rpool"
vdev="my_mirror">
<size val="-" start_sector="-"/>
</slice>
<slice name="4" action="create" force="false" zpool="rpool"
vdev="my_mirror">
<size val="-" start_sector="-"/>
</slice>
<slice name="5" action="create" force="false" zpool="rpool" vdev="my_spare">
<size val="-" start_sector="-"/>
</slice>
<slice name="6" action="create" force="false" zpool="rpool" vdev="my_spare">
<size val="-" start_sector="-"/>
</slice>
</partition>
</disk>
<disk>
<disk_name name="c3t1d0" name_type="ctd" zpool="tank" />
</disk>
<disk>
<disk_name name="c3t2d0" name_type="ctd"/>
<partition action="create" name="1" part_type="-" zpool="code">
<size val="-" start_sector="-"/>
</partition>
<partition action="create" name="2" part_type="-" zpool="code"
vdev="my_spare2">
<size val="-" start_sector="-"/>
</partition>
</disk>
<logical>
<zpool name="rpool" action="create" is_root="true" />
<vdev name="my_mirror" redundancy="mirror"/>
<vdev name="my_spare" redundancy="spare"/>
</zpool>
<zpool name="tank" action="create" is_root="false" />
<zpool name="code" action="create" is_root="false" />
<vdev name="my_spare2" redundancy="spare" />
</zpool>
<filesystem name="rpool/ROOT/sol155" action="create">
<filesystem name="rpool/ROOT/sol156" action="create">
<filesystem name="tank/slim_source" action="create">
<filesystem name="code/my_gate" action="create">
</logical>
</target>
This allows us to link individual physical things (disk, partition,
slice) to zpools AND assign vdev redundancy.
What do people think about this version?
I'd suggest agreeing on a few use cases that we need to cover and
expressing them out so that we can get a feel for them. Suggested:
- Single disk, single pool
- Two disks, single pool, mirrored
- 10 disks: Mirrored root + raidz data pool with log, cache, spare
Maybe some others, but those were a quick attempt at a broad range.
Dave
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