[ovirt-users] Re: nodectl on plain CentOS hypervisors

[Gianluca Cecchi]

On Fri, Aug 23, 2019 at 2:32 PM Sandro Bonazzola 
wrote:

>
>
> Or any other alternative for plain OS nodes vs ovirt-node-ng ones?
>>
>
> what's the use case here? check host sanity? because nodectl is not
> checking that, it just check node config matches to requirements to be able
> to perform rollback if needed.
>
>

ok, understood.
Thanks for clarifying

Gianluca
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[ovirt-users] Re: nodectl on plain CentOS hypervisors

[Sandro Bonazzola]

Il giorno ven 23 ago 2019 alle ore 11:27 Gianluca Cecchi <
gianluca.cec...@gmail.com> ha scritto:

> Does it make sense to install nodectl utility on plain CentOS 7.x nodes?
>

No, doesn't make sense. nodectl checks for oVirt Node specific
configuration.

# nodectl check
Status: OK
Bootloader ... OK
  Layer boot entries ... OK
  Valid boot entries ... OK
Mount points ... OK
  Separate /var ... OK
  Discard is used ... OK
Basic storage ... OK
  Initialized VG ... OK
  Initialized Thin Pool ... OK
  Initialized LVs ... OK
Thin storage ... OK
  Checking available space in thinpool ... OK
  Checking thinpool auto-extend ... OK
vdsmd ... OK

# nodectl info
layers:
  ovirt-node-ng-4.3.2-0.20190313.0:
ovirt-node-ng-4.3.2-0.20190313.0+1
bootloader:
  default: ovirt-node-ng-4.3.2-0.20190313.0+1
  entries:
ovirt-node-ng-4.3.2-0.20190313.0+1:
  index: 0
  title: ovirt-node-ng-4.3.2-0.20190313.0
  kernel:
/boot/ovirt-node-ng-4.3.2-0.20190313.0+1/vmlinuz-3.10.0-957.5.1.el7.x86_64
  args: "ro crashkernel=auto rd.lvm.lv=onn_host/swap
rd.lvm.lv=onn_host/ovirt-node-ng-4.3.2-0.20190313.0+1
rhgb quiet LANG=en_US.UTF-8 img.bootid=ovirt-node-ng-4.3.2-0.20190313.0+1"
  initrd:
/boot/ovirt-node-ng-4.3.2-0.20190313.0+1/initramfs-3.10.0-957.5.1.el7.x86_64.img
  root: /dev/onn_host/ovirt-node-ng-4.3.2-0.20190313.0+1
current_layer: ovirt-node-ng-4.3.2-0.20190313.0+1




> Or any other alternative for plain OS nodes vs ovirt-node-ng ones?
>

what's the use case here? check host sanity? because nodectl is not
checking that, it just check node config matches to requirements to be able
to perform rollback if needed.


> On my updated CentOS 7.6 oVirt node I have not the command; I think it is
> provided by the package ovirt-node-ng-nodectl, that is one of the available
> ones if I run "yum search" on the system.
>
> Thanks
> Gianluca
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-- 

Sandro Bonazzola

MANAGER, SOFTWARE ENGINEERING, EMEA R RHV

Red Hat EMEA 

sbona...@redhat.com
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