[OmniOS-discuss] Adding a disk array after boot
Graham Stephens
graham at thestephensdomain.com
Sat Jun 13 14:36:39 UTC 2015
On 13/06/2015 15:01, Stephan Budach wrote:
> Am 13.06.15 um 14:54 schrieb Graham Stephens:
>> Perhaps another dumb question, but here goes...
>>
>> I currently have a FC disk array attached to a server acting, among
>> other things, as a Samba file server. I don't need the files serving
>> all the time, so mainly start the machine (it is normally off
>> overnight due to the noise) without the disk array turned on unless I
>> know I will need the files in advance. ZFS doesn't seem to mind as
>> long as the disks are attached/not attached at boot, and I don't try
>> turning the array on while the server is running.
>>
>> I am moving several boxes into one quieter zoned box that I would like
>> to have on 24/7, and the Samba server is intended to go into one of
>> those zones. I will eventually swap the external array over to
>> internal disks, but it isn't going to happen straight away; so what I
>> would like to ask is:
>> Is there a way for me to be able to turn the disk array on and off as
>> necessary (it will become the noisy part of the setup), without me
>> having to reboot the main box (with all the zones, etc) every time?
>
> Each FC equipment I know of will issue a FC reset upon booting and
> OmniOS will pick that up. However, there is of course also a means of
> having the OmniOS box perform a FC reset on the bus which would also
> spurr a disk discovery, after which ZFS will happily import your
> formerly exportet(!) zpool without fuss.
>
> Cheers
>
Ah! I hadn't thought to export the zpools first. If that's all I need to
do then I'll be a very happy chap!
Thanks.
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