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From Andrija Panic <andrija.pa...@gmail.com>
Subject Re: XenServer
Date Fri, 31 Oct 2014 15:35:20 GMT
Nux, I agree that we need to push that - but since I'm not a develoepr, no
reall use of me :) If I need to push somewhere, just let me know.
Anyway, user want a single click SNAPSHOT - and an option for revert -
talking about public cloud....

Cheers

On 31 October 2014 16:18, Nux! <nux@li.nux.ro> wrote:

> Andrija,
>
> AFAIK you can't snapshot all the volumes in the exact same moment, but I
> am not sure if it really needed in your case.
> VM snapshot it's what you would need, only supported for Xenserver and
> VMware; we need to push for VM snapshot for KVM as well, I know it's
> possible as I have done it manually with "virsh".
>
> There are different ways around a problem though, if you are running mysql
> with innodb for example you could just do a mysqldump (with
> --single-transaction to avoid locking the tables).
>
> HTH
> Lucian
>
> --
> Sent from the Delta quadrant using Borg technology!
>
> Nux!
> www.nux.ro
>
> ----- Original Message -----
> > From: "Andrija Panic" <andrija.panic@gmail.com>
> > To: users@cloudstack.apache.org
> > Sent: Friday, 31 October, 2014 15:10:26
> > Subject: Re: XenServer
>
> > Nux,
> >
> > I understand this - but a question for you - you have i.e. 3 volumes
> > attached to a VM - how do you snapshot those and make sure they are
> > snapshoted in the EXACT same moment, to preserve data integrity of the
> data
> > inside VM - you have i.e. database files on 1 volume, database logs on
> > another.
> >
> > This is a reall question, not kidding ? What I know, you can turnoff VM,
> > and then snapshot one by one - but this is not the goal of the
> > snapshotting...
> > ?
> >
> > Thanks
> >
> >
> >
> > On 31 October 2014 16:06, Nux! <nux@li.nux.ro> wrote:
> >
> >> Andrija,
> >>
> >> You can still do volume snapshotting with KVM, works fine.
> >>
> >>
> http://www.nux.ro/archive/2014/01/Taking_KVM_volume_snapshots_with_Cloudstack_4_2_on_CentOS_6_5.html
> >>
> >> All we need is a way to quickly restore the volume, some guys at
> leaseweb
> >> were working on something like this, hope to see this feature in future
> >> versions.
> >>
> >> --
> >> Sent from the Delta quadrant using Borg technology!
> >>
> >> Nux!
> >> www.nux.ro
> >>
> >> ----- Original Message -----
> >> > From: "Andrija Panic" <andrija.panic@gmail.com>
> >> > To: users@cloudstack.apache.org
> >> > Sent: Friday, 31 October, 2014 09:37:49
> >> > Subject: Re: XenServer
> >>
> >> > My vote also for KVM snapshooting - having all the nice fetaures, but
> >> > without basic virtualization stuff like snapshotting - it simply
> drives
> >> me
> >> > and our client nuts...
> >> >
> >> > On 31 October 2014 10:03, Andrei Mikhailovsky <andrei@arhont.com>
> wrote:
> >> >
> >> >> Is there a feature request for this support or should we open one?
I
> >> would
> >> >> like to see this implemented for KVM.
> >> >>
> >> >> Andrei
> >> >> ----- Original Message -----
> >> >>
> >> >> > From: "Nux!" <nux@li.nux.ro>
> >> >> > To: users@cloudstack.apache.org
> >> >> > Sent: Thursday, 30 October, 2014 11:25:10 PM
> >> >> > Subject: Re: XenServer
> >> >>
> >> >> > Andrei, I am hopeful the next incarnation of XenServer will be
much
> >> >> > better/modern, with support for CEPH, GlusterFS etc.
> >> >>
> >> >> > Re KVM snapshotting, KVM can do live snapshots of the
> volumes+memory
> >> >> > (you can do it with "virsh"), but ACS doesn't support it; forgot
> >> >> > why.
> >> >>
> >> >> > Lucian
> >> >>
> >> >> > --
> >> >> > Sent from the Delta quadrant using Borg technology!
> >> >>
> >> >> > Nux!
> >> >> > www.nux.ro
> >> >>
> >> >> > ----- Original Message -----
> >> >> > > From: "Andrei Mikhailovsky" <andrei@arhont.com>
> >> >> > > To: users@cloudstack.apache.org
> >> >> > > Sent: Thursday, 30 October, 2014 21:24:06
> >> >> > > Subject: Re: XenServer
> >> >>
> >> >> > > I would happily switch to XenServer once they will have ceph
> >> >> > > support. I do
> >> >> > > prefer XenServer and the feature list of ACS + XenServer
is a bit
> >> >> > > better.
> >> >> > >
> >> >> > > It sucks not having proper snapshotting in KVM where one
can
> create
> >> >> > > the whole vm
> >> >> > > snapshot (volumes + memory) very quickly without the need
to
> bother
> >> >> > > snapshotting every volume and wait for ages.
> >> >> > >
> >> >> > > Andrei
> >> >> > > ----- Original Message -----
> >> >> > >
> >> >> > >> From: "motty cruz" <motty.cruz@gmail.com>
> >> >> > >> To: users@cloudstack.apache.org
> >> >> > >> Sent: Thursday, 30 October, 2014 8:43:32 PM
> >> >> > >> Subject: Re: XenServer
> >> >> > >
> >> >> > >> I am no expert by any means but my personal opinion,
I really
> like
> >> >> > >> XenServer a lot better. I have a cluster of about 5 machines
> >> >> > >> running
> >> >> > >> KVM,
> >> >> > >> ACS 4.3. I unable to do snapshot, migrating VMs from
one host to
> >> >> > >> another
> >> >> > >> takes a long time. I had a very bad experience with "Balloon
> >> >> > >> driver",
> >> >> > >> I am
> >> >> > >> traumatize using KVM.
> >> >> > >
> >> >> > >> XenServer don't need to install cloudstack agent is already
> >> >> > >> integrated. I
> >> >> > >> am very happy with XenServer. I still need to work out
a few
> >> >> > >> lingering
> >> >> > >> issues but thus far am a happy person.
> >> >> > >
> >> >> > >> Thanks,
> >> >> > >> -Motty
> >> >> > >
> >> >> > >> On Thu, Oct 30, 2014 at 1:15 PM, Andrei Mikhailovsky
> >> >> > >> <andrei@arhont.com>
> >> >> > >> wrote:
> >> >> > >
> >> >> > >> > I wold love to see the ability to do proper snapshotting
on
> KVM.
> >> >> > >> > XenServer
> >> >> > >> > does it so much better!
> >> >> > >> >
> >> >> > >> > ----- Original Message -----
> >> >> > >> >
> >> >> > >> > > From: "Vladimir Melnik" <v.melnik@uplink.ua>
> >> >> > >> > > To: users@cloudstack.apache.org
> >> >> > >> > > Sent: Thursday, 30 October, 2014 8:09:17 PM
> >> >> > >> > > Subject: RE: XenServer
> >> >> > >> >
> >> >> > >> > > Oh, thank you so much, folks, for your replies
on this
> topic!
> >> >> > >> > > Now
> >> >> > >> > > I
> >> >> > >> > > understand that I shouldn't migrate to XenServer,
as I
> already
> >> >> > >> > > have
> >> >> > >> > > a bunch of hosts running KVM and it really
won't be a good
> >> >> > >> > > idea
> >> >> > >> > > to
> >> >> > >> > > bread such a zoo.
> >> >> > >> >
> >> >> > >> > > The only thing that makes me feel envy is an
ability to
> change
> >> >> > >> > > configuration of a virtual machine without
restarting it.
> As I
> >> >> > >> > > know,
> >> >> > >> > > KVM doesn't support it yet, am I right? Other
XenServer
> >> >> > >> > > features
> >> >> > >> > > don't seem to be so exciting to me :)
> >> >> > >> >
> >> >> > >> > > One more time - thanks to all who have helped
me to decide
> not
> >> >> > >> > > to
> >> >> > >> > > do
> >> >> > >> > > something that I would regret.
> >> >> > >> >
> >> >> > >> > > Best regards,
> >> >> > >> > > V.
> >> >> > >> >
> >> >> > >
> >> >> > >> --
> >> >> > >> Thanks for your support,
> >> >> > > > Motty
> >> >>
> >> >
> >> >
> >> >
> >> > --
> >> >
> >> > Andrija Panić
> >> > --------------------------------------
> >> >  http://admintweets.com
> >> > --------------------------------------
> >>
> >
> >
> >
> > --
> >
> > Andrija Panić
> > --------------------------------------
> >  http://admintweets.com
> > --------------------------------------
>



-- 

Andrija Panić
--------------------------------------
  http://admintweets.com
--------------------------------------

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