[PVE-User] Pve 4.0
Jérémy Carnus
jeremy at jcarnus.fr
Tue Jul 7 03:14:45 CEST 2015
Perfect,
I will have another question. Does CRIU will be package inside the
proxmox 4.0 to enable checkpoint of LXC containers ? Does you have any
plan to support differential backup with vzdump too (today vzdump
require 2 more time space on hard disk to be able to backup a container
on vzdump) ?
Thanks
Jérémy
Le 06/07/2015 00:17, Wolfgang Bumiller a écrit :
> I'm not sure what difference that would make for the container though.
> With qemu it would be understandable, but with containers I don't immediately
> see where that would go wrong.
> It works fine on a single system anyway.
> /dev/loop0 3.9G 8.0M 3.6G 1% /mnt/tmp
> changed to
> /dev/loop0 4.8G 8.0M 4.6G 1% /mnt/tmp
>
>> On July 3, 2015 at 4:38 PM Alexandre DERUMIER <aderumier at odiso.com> wrote:
>>
>>
>>>> -c, --set-capacity loopdev
>> qemu-img resize volume.raw +1G : ok
>> losetup -c /dev/loopx : ok
>>
>> but now, resize2fs is not working inside the container.
>> (so it need to be mounted on the host, so not possible with container online)
>>
>> I'll try to find some infos about this.
>>
>> ----- Mail original -----
>> De: "Wolfgang Bumiller" <w.bumiller at proxmox.com>
>> À: "aderumier" <aderumier at odiso.com>
>> Cc: "dietmar" <dietmar at proxmox.com>, "proxmoxve" <pve-user at pve.proxmox.com>
>> Envoyé: Vendredi 3 Juillet 2015 14:20:20
>> Objet: Re: [PVE-User] Pve 4.0
>>
>>> I'm not sure we can do it "online" with loop device on top of raw file.
>> Maybe.
>>
>> From losetup(1):
>> -c, --set-capacity loopdev
>> Force the loop driver to reread the size of the file associated with the
>> specified loop device.
>>
>> Worth a try?
>>
>> On Fri, Jul 03, 2015 at 11:27:04AM +0200, Alexandre DERUMIER wrote:
>>>>> - I saw it not possible to resize disk of an lxc container after
>>>>> creation, is it a restriction ?
>>>> We try to implement that later.
>>> I'm not sure we can do it "online" with loop device on top of raw file.
>>> Offline should be possible.
>>>
>>> For block device (zfs, rbd,..) I think we can resize online. (and snapshot
>>> too)
>>>
>>>
>>> ----- Mail original -----
>>> De: "dietmar" <dietmar at proxmox.com>
>>> À: "proxmoxve" <pve-user at pve.proxmox.com>, "Jérémy Carnus"
>>> <jeremy at jcarnus.fr>
>>> Envoyé: Mercredi 1 Juillet 2015 21:17:33
>>> Objet: Re: [PVE-User] Pve 4.0
>>>
>>>> - I saw it not possible to resize disk of an lxc container after
>>>> creation, is it a restriction ?
>>> We try to implement that later.
>>>
>>>> - Trying to migrate a vz container to a lxc container using backup /
>>>> restore leads me to a "TASK ERROR: Insecure dependency in unlink while
>>>> running with -T switch at /usr/share/perl5/PVE/Tools.pm line 187." when
>>>> restoring the zip archive in the pve4.0
>>> Migration is currently not implemented, but we plan to implement (offline)
>>> migration soon.
>>>
>>> _______________________________________________
>>> pve-user mailing list
>>> pve-user at pve.proxmox.com
>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>>>
>>> _______________________________________________
>>> pve-user mailing list
>>> pve-user at pve.proxmox.com
>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> _______________________________________________
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--
Jérémy Carnus
Le 06/07/2015 06:27, Francisco Romero | VOZELIA a écrit :
> Hi,
>
> Are you running the last version? Issue:
>
> pveversion -v
>
> Could you run a manual vzdump? For example:
>
> -vzdump $VMID -dumpdir $Your-prefer-destination -bwlimit 0
>
> Attach vzdump log file and version please.
>
> Francisco.
>
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> Today's Topics:
>
> 1. slow backup (Ton?i Stipi?evi?)
> 2. Re: Pve 4.0 (Wolfgang Bumiller)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 5 Jul 2015 21:19:49 +0200
> From: Ton?i Stipi?evi? <tonci at suma-informatika.hr>
> To: pve-user at pve.proxmox.com
> Subject: [PVE-User] slow backup
> Message-ID: <55998355.7050405 at suma-informatika.hr>
> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>
> Hello to all
>
> I'm using 4xIntelAtom CPU 2558 @2,4GHz on the host
> a backup storages are (1G) freenas nfs and local sata disk
>
> So classic backup (vzdump) of 32G image takes about 1h ... the same
> result to the nfs storage and to local sata disk
> I tried changing bwlimit in vzdump.conf the result is allways the same
> slow
>
> But Clone VM takes less then 10 min
>
> manual lzop backup of this image (nfs storage or sata disk) takes less
> than 10' too ... tar runs same fast
>
> So we cannot say tha CPU is not capable of doing archiving with
> commpression
>
> Why is backup so slow and what can I do to optimize it?
>
> thank you very much in advance and
> BR
>
> Tonci //
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> ------------------------------
>
> Message: 2
> Date: Mon, 6 Jul 2015 06:17:16 +0200 (CEST)
> From: Wolfgang Bumiller <w.bumiller at proxmox.com>
> To: Alexandre DERUMIER <aderumier at odiso.com>
> Cc: proxmoxve <pve-user at pve.proxmox.com>
> Subject: Re: [PVE-User] Pve 4.0
> Message-ID:
> <1254753605.2.1436156236749.JavaMail.open-xchange at ronja.mits.lan>
> Content-Type: text/plain; charset=UTF-8
>
> I'm not sure what difference that would make for the container though.
> With qemu it would be understandable, but with containers I don't
> immediately
> see where that would go wrong.
> It works fine on a single system anyway.
> /dev/loop0 3.9G 8.0M 3.6G 1% /mnt/tmp
> changed to
> /dev/loop0 4.8G 8.0M 4.6G 1% /mnt/tmp
>
> > On July 3, 2015 at 4:38 PM Alexandre DERUMIER <aderumier at odiso.com>
> wrote:
> >
> >
> > >>-c, --set-capacity loopdev
> >
> > qemu-img resize volume.raw +1G : ok
> > losetup -c /dev/loopx : ok
> >
> > but now, resize2fs is not working inside the container.
> > (so it need to be mounted on the host, so not possible with
> container online)
> >
> > I'll try to find some infos about this.
> >
> > ----- Mail original -----
> > De: "Wolfgang Bumiller" <w.bumiller at proxmox.com>
> > ?: "aderumier" <aderumier at odiso.com>
> > Cc: "dietmar" <dietmar at proxmox.com>, "proxmoxve"
> <pve-user at pve.proxmox.com>
> > Envoy?: Vendredi 3 Juillet 2015 14:20:20
> > Objet: Re: [PVE-User] Pve 4.0
> >
> > > I'm not sure we can do it "online" with loop device on top of raw
> file.
> > Maybe.
> >
> > From losetup(1):
> > -c, --set-capacity loopdev
> > Force the loop driver to reread the size of the file associated with the
> > specified loop device.
> >
> > Worth a try?
> >
> > On Fri, Jul 03, 2015 at 11:27:04AM +0200, Alexandre DERUMIER wrote:
> > > >> - I saw it not possible to resize disk of an lxc container after
> > > >> creation, is it a restriction ?
> > > >
> > > >We try to implement that later.
> > >
> > > I'm not sure we can do it "online" with loop device on top of raw
> file.
> > > Offline should be possible.
> > >
> > > For block device (zfs, rbd,..) I think we can resize online. (and
> snapshot
> > > too)
> > >
> > >
> > > ----- Mail original -----
> > > De: "dietmar" <dietmar at proxmox.com>
> > > ?: "proxmoxve" <pve-user at pve.proxmox.com>, "J?r?my Carnus"
> > > <jeremy at jcarnus.fr>
> > > Envoy?: Mercredi 1 Juillet 2015 21:17:33
> > > Objet: Re: [PVE-User] Pve 4.0
> > >
> > > > - I saw it not possible to resize disk of an lxc container after
> > > > creation, is it a restriction ?
> > >
> > > We try to implement that later.
> > >
> > > > - Trying to migrate a vz container to a lxc container using
> backup /
> > > > restore leads me to a "TASK ERROR: Insecure dependency in unlink
> while
> > > > running with -T switch at /usr/share/perl5/PVE/Tools.pm line
> 187." when
> > > > restoring the zip archive in the pve4.0
> > >
> > > Migration is currently not implemented, but we plan to implement
> (offline)
> > > migration soon.
> > >
> > > _______________________________________________
> > > pve-user mailing list
> > > pve-user at pve.proxmox.com
> > > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> > >
> > > _______________________________________________
> > > pve-user mailing list
> > > pve-user at pve.proxmox.com
> > > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> >
>
>
>
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Jérémy Carnus
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