Regarding juju Storage - using MAAS as cloud provider

[Blake Rouse]

Looks like curtin is having an issue installing the grub boot loader onto
sdb. If you have an sda disk select that disk as the boot disk to see if
grub will install to that disk. If not could you please provide the output
of the entire installation log on the node details page. Also the output of
the curtin config would be helpful, you can get this from the cli.

maas {session} node {system_id} get_curtin_config

On Wed, Oct 19, 2016 at 3:20 PM, Shilpa Kaul <shilkaul at in.ibm.com> wrote:

> Hi,
>
> I have configured a MAAS cluster and have block device 'sdb' attached to
> one of the nodes which I am using to deploy my charm as shown below:
>
>
> After this I created a storage pool called maastest with attribute tag as
> 'sdb' and deployed my charm. In the MAAS controller console I see that the
> node status is "Failed Deployment" and I see the below error in the UI for
> the node on which I am trying to deploy the charm making use of MAAS
> storage:
>
> *Installing for i386-pc platform.*
> *grub-install : error: unable to identify a filesystem in
> hostdisk//dev/sdb; safety check cant be performed*
> *failed to install grub!*
> *Command: ['install-grub', 'tmp/tmpqwTtyG/target', '/dev/sdb]'*
>
> MAAS version is 1.9.4 and Ubuntu version : 14.04
>
> I am new to MAAS and not sure why the above error is coming, can someone
> please help me in resolving  this error.
>
> Thanks and Regards,
> Shilpa Kaul
>
>
>
> From:        Matt Bruzek <matthew.bruzek at canonical.com>
> To:        Shilpa Kaul/India/IBM at IBMIN, Juju email list <
> juju at lists.ubuntu.com>, maas-devel at lists.ubuntu.com
> Cc:        Kevin Monroe <kevin.monroe at canonical.com>, Suchitra
> Venugopal1/India/IBM at IBMIN, Andrew Wilkins <andrew.wilkins at canonical.com>,
> Antonio Rosales <antonio.rosales at canonical.com>, Marco Ceppi <
> marco.ceppi at canonical.com>, Randall Ross <randall.ross at canonical.com>
> Date:        10/19/2016 09:24 PM
> Subject:        Re: Regarding juju Storage - using MAAS as cloud provider
> ------------------------------
>
>
>
> Shilpa,
>
> There are some documentation about creating storage on MAAS here:
> *https://maas.ubuntu.com/docs/storage.html*
> <https://maas.ubuntu.com/docs/storage.html>
>
> Using this document you should be able to create block devices in MAAS
> that you can later use in Juju.
>
> The Juju storage documentation can be found here:
> *https://jujucharms.com/docs/stable/charms-storage*
> <https://jujucharms.com/docs/stable/charms-storage>
>
> As an example, once you have your MAAS storage created and tagged, you
> could create a storage pool in Juju like this:
>
> juju create-storage-pool mypool maas tags=<maas-tag>
>
> And then you could add a storage constraint to deploy your charm like this:
>
> juju deploy <charm> --storage disks=mypool,1G
>
> I have not tried MAAS storage with Juju so you may need some additional
> commands. If anyone else has examples of combining MAAS storage with Juju
> please reply here to let us know. Thanks!
>
>    - Matt Bruzek <*matthew.bruzek at canonical.com*
> <matthew.bruzek at canonical.com>>
>
> On Tue, Oct 18, 2016 at 11:29 AM, Shilpa Kaul <*shilkaul at in.ibm.com*
> <shilkaul at in.ibm.com>> wrote:
> Hi Matt/Kevin,
>
> We have a charm called as Spectrum Scale (previously called as gpfs) which
> is making use of Juju Storage feature. I have tested this on AWS, making
> use of ebs as storage option. When I deploy the charm say  "*juju deploy
> ibm-spectrum-scale-manager --storage disks=ebs,1G*", I am able to get
> block storage disks. My charm uses this disk and then creates a file sytem
> on top of that.
> I am able to test this on AWS, but now we have got a scenario where we
> have to deploy the charm on physical servers or VM's. We have configured
> MAAS for VM's and are able to deploy a sample charm as well using MAAS as
> cloud provider, but I am not sure how to make use of juju storage options
> incase of MAAS. Can you please provide us with any contact who can help us
> in making use of storage option with MAAS as cloud provider.
>
> Thanks and Regards,
> Shilpa Kaul
>
>
>
>
>
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