Gilberto Ferreira
2021-Aug-04 17:57 UTC
[Gluster-users] Gluster x Ceph: disk space consuming...
Back to score 0 --- Gilberto Nunes Ferreira (47) 99676-7530 - Whatsapp / Telegram Em qua., 4 de ago. de 2021 ?s 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 ?s 13:41, Dmitry Melekhov <dm at belkam.com> > escreveu: > >> 04.08.2021 20:19, Gilberto Ferreira ?????: >> >> 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 ?s 07:26, Dmitry Melekhov <dm at belkam.com> >> escreveu: >> >>> 04.08.2021 14:19, Strahil Nikolov ?????: >>> >>> 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>
Strahil Nikolov
2021-Aug-05 03:49 UTC
[Gluster-users] Gluster x Ceph: disk space consuming...
VDO cannot compress everything very well, but the deduplication feature can deal pretty well with VMs of same type.Imagine that you don't use template for OS disks, then 10 VMs' OS disks should eat less space ontop VDO. Best Regards,Strahil Nikolov On Wed, Aug 4, 2021 at 20:58, Gilberto Ferreira<gilberto.nunes32 at gmail.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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.gluster.org/pipermail/gluster-users/attachments/20210805/3e3934a3/attachment.html>