On 12/30/2017 05:56 PM, Joshua M. Clulow wrote:
On 29 December 2017 at 19:03, Ian Collins <[email protected]> wrote:
On 12/30/2017 03:09 PM, Lightspoke Discussion wrote:
Hi - I have a compute node with 6 disks - when the head node sets up > the
CN, it automatically creates a zpool with 2 striped raidz1 arrays > with 3
disks each. I'd like a 3 striped mirrors. Is there a way to > specify - what
if someone wanted a raidz2 or 3-way mirror?
This should be on the SDC list however...
There was some work underway to make this task easier, but I don't know what
became of it.
If I want a stripe of mirrors, I pull all bar one drive before the install
and then build the pool around it later.
The last couple of CNs I built had too much memory to allow this with the
smallish drives they had so I just let the install go through. I then
snapshotted the pool (modulo dump and swap), sent the snapshot to another
box, rebuilt the CN zones pool and sent the snapshot back. Inelegant but
effective!
I don't think I have ever wanted the default layout and do wish it could be
specified.
I believe a layout (as well as cache and spare options) can be
specified at compute node setup time, by virtue of work done in at
least this change:
https://smartos.org/bugview/HEAD-2326
More detail appears to be available in RFD 53:
https://github.com/joyent/rfd/blob/master/rfd/0053/README.md#changes-to-compute-node-setup
Ah thanks,
That was the change I was half remembering. I didn't think to check the
CLI rather than the GUI.. It would be nice to see this documented on
https://docs.joyent.com/private-cloud/install/compute-node-setup.
Cheers,
--
Ian.
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