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From Nux! <...@li.nux.ro>
Subject Re: XenServer
Date Fri, 31 Oct 2014 16:56:32 GMT
I meant to push the developers to do it. :)

--
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 15:35:20
> Subject: Re: XenServer

> 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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