[ovirt-users] 100% disk utilization on Hosted Engine

[Yedidyah Bar David]

On Sun, Oct 30, 2016 at 3:01 PM, Anantha Raghava
<raghav at exzatechconsulting.com> wrote:
> Hi,
>
> In another instance where the engine is on a different host, we have
> observed that out of 100 GB nearly 70% is consumed in just about 20 odd
> days.
>
> Is it that DWH database and the logs really take so much of space so fast?

Are you sure that DWH database is the only thing using much space? Did you
check disk space usage?

DWH db size depends on the size of your setup - number of
hosts/VMs/disks/NICs/etc.

You can also affect this by configuring granularity and history
length, check e.g.:

https://www.mail-archive.com/search?l=users@ovirt.org&q=subject:%22Re\%3A+\[ovirt\-users\]+Limit+DWH+database+size%22&o=newest

http://lists.ovirt.org/pipermail/users/2016-September/042419.html

> How do we reduce the disk utilization? This will be a major issue when
> compared to other hypervisors management platform.
>
> How do we address this and arrest this super fast disc consumption?
>
> --
>
> Thanks & Regards,
>
>
> Anantha Raghava eXza Technology Consulting & Services Do not print this
> e-mail unless required. Save Paper & trees.
> On Saturday 29 October 2016 08:32 AM, Anantha Raghava wrote:
>
> Hi,
>
> I have hit a unique problem. Using oVirt 4.0.2.7-1.el7.centos since last one
> month and I have hit a unique problem. The Engine is reporting that Disk
> space allocated to Hosted engine is full and is not allowing to login to
> engine's console to clear some files as well. When I try to add additional
> storage to Hosted engine, engine admin portal reports that as Engine VM is
> not managed by oVirt Engine, it cannot extend the storage.
>
> Now the questions are:
>
> 1. Is it that enabling advanced DWH on the engine host is the root cause for
> 100GB of disk getting filled in about 1 month?
>
> 2. How do we clear the disk of some unwanted files and extend the space?
>
> 3. How do we reset the DWH database to basic?
>
>
> Note: CentOS 7.2 is not even allowing us to login to console to do any
> action. Booting the Hosted Engine VM with Live CD etc., looks like is ruled
> out in this case.
> --
>
> Thanks & Regards,
>
>
> Anantha Raghava eXza Technology Consulting & Services
>
> Do not print this e-mail unless required. Save Paper & trees.
>
>
>
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-- 
Didi