[Gluster-users] Gluster x Ceph: disk space consuming...

[Gilberto Ferreira]

Back to score 0
---
Gilberto Nunes Ferreira
(47) 99676-7530 - Whatsapp / Telegram






Em qua., 4 de ago. de 2021 às 14:10, Gilberto Ferreira <
gilberto.nunes32 at gmail.com> escreveu:

> Ok.
> But, with VDO I should see less consumed space, compared to a mounted
> point without VDO.
> But this does not happen.
>
> ---
> Gilberto Nunes Ferreira
> (47) 99676-7530 - Whatsapp / Telegram
>
>
>
>
>
>
> Em qua., 4 de ago. de 2021 às 13:41, Dmitry Melekhov <dm at belkam.com>
> escreveu:
>
>> 04.08.2021 20:19, Gilberto Ferreira пишет:
>>
>> Well
>> I make some POC but doesn't seems to me any advantage in use VDO.
>> Without VDO I have created a single Ubuntu VM Server, and the SO just
>> used 3.6G.
>> But using VDO I noticed that the underlay used the very same 3.6G.
>> Perhaps I am doing something wrong.
>> I had have used the following command in order to create VDO:
>> vdo create --name=vdo1 --device=/dev/sdb --emulate512=enabled
>> --vdoLogicalSize=200G
>>
>> Thanks for any advice.
>>
>>
>> Well, I use VDO on RHEL based backup server and here is how it looks like:
>>
>>  vdostats --si
>> Device                    Size      Used Available Use% Space saving%
>> /dev/mapper/vdo1          3.8T      2.3T      1.6T  59%           54%
>>
>>
>> df -h
>>
>> /dev/mapper/vdo1        7,5T         4,6T  3,0T           61% /BACKUP
>>
>> As you can see I saved 1/2 of space.
>>
>> On filesystem level file sizes will be the same , of course...
>>
>>
>>
>>
>>
>> ---
>> Gilberto Nunes Ferreira
>> (47) 99676-7530 - Whatsapp / Telegram
>>
>>
>>
>>
>>
>>
>> Em qua., 4 de ago. de 2021 às 07:26, Dmitry Melekhov <dm at belkam.com>
>> escreveu:
>>
>>> 04.08.2021 14:19, Strahil Nikolov пишет:
>>>
>>> Are you sure you did enable the '--emulate512' when creating VDO ?
>>>
>>> I'm sure we did not add  this option.
>>>
>>> Thank you, we'll try .
>>>
>>>
>>>
>>> Best Regards,
>>> Strahil Nikolov
>>>
>>> On Wed, Aug 4, 2021 at 5:36, Dmitry Melekhov
>>> <dm at belkam.com> <dm at belkam.com> wrote:
>>> ________
>>>
>>>
>>>
>>> Community Meeting Calendar:
>>>
>>> Schedule -
>>> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
>>> Bridge: https://meet.google.com/cpu-eiue-hvk
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> https://lists.gluster.org/mailman/listinfo/gluster-users
>>>
>>>
>>> ________
>>>
>>>
>>>
>>> Community Meeting Calendar:
>>>
>>> Schedule -
>>> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
>>> Bridge: https://meet.google.com/cpu-eiue-hvk
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> https://lists.gluster.org/mailman/listinfo/gluster-users
>>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.gluster.org/pipermail/gluster-users/attachments/20210804/705dee86/attachment.html>