[ovirt-users] oVirt node with SHE on FC

[Simone Tiraboschi]

On Sat, Sep 9, 2017 at 8:25 PM, Gianluca Cecchi <gianluca.cecchi at gmail.com>
wrote:

> Hello,
> it is not clear to me the exact workflow in case of testing what in object.
>
> For sure first step is to install base node from iso.
> NGN has no more read only filesystem.
> Does this mean that I have to set up eg multipath for FC LUNs (engine and
> data domain) before running the engine setup via cockpit?
> Or when I specify FC in type of storage domain it would ask and setup
> automatically multipath for me?
>

No, it doesn't: HBA and mutipath are supposed to be directly configured
before running hosted-engine-setup.
It's exactly the same as for vlan and bonding.


> Are the ovirt repos already setup when I have installed from the iso or do
> I have to install ovirt-release-xx rpm?
> In another enviroment with block based storage domains (iSCSI) and an
> external engine and full CentOS hypervisors I customized vdsm creating a
> file /etc/vdsm/vdsm.conf.d named 50_thin_block_extension_rules.conf using
> volume_utilization_percent = 25
> volume_utilization_chunk_mb = 4096
>
> Can I make these sort of customization in NGN without any persist command,
> because the file system is read write now or should I manage from cockpit
> or other tools instead?
>
> I'm exploring situations where NGN could be suitable better than full
> CentOS OS for hypervisors and I would like to know clearly advantages and
> limits.
>
> Thanks in advance
>
> Gianluca
>
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