[one-users] Re; Snapshots ... rendering bug on Placement ...
Daniel Molina
dmolina at opennebula.org
Tue Nov 26 01:57:54 PST 2013
Hi Gareth,
Could you send us the output of onevm show -x when this value is shown in
Sunstone. Are the server and client time synchronise?
Cheers
On 21 November 2013 15:58, Gareth Bult <gareth at linux.co.uk> wrote:
> Ok, looks like a rendering bug following migration .. if I wait a few
> minutes and refresh, it reverts to the "onevm show" value ...
>
> #HostAction ReasonChg timeTotal time Prolog time 0node3 live-migrateUSER13:23:38 21/11/20130d
> 00:03 0d 00:01 1 node1live-migrate USER13:27:02 21/11/2013 0d 00:020d
> 00:00 2node3 live-migrateUSER 13:29:32 21/11/20130d 01:04 0d 00:00 3 node2
> live-migrate USER14:32:51 21/11/2013 0d 00:010d 00:00 4node1 noneNONE14:33:52 21/11/2013*30d
> 23:56* 0d 00:00
>
> $ onevm show 225
> VIRTUAL MACHINE 225 INFORMATION
> ID : 225
> NAME : Ten
> USER : oneadmin
> GROUP : oneadmin
> STATE : ACTIVE
> LCM_STATE : RUNNING
> RESCHED : No
> HOST : node1
> CLUSTER ID : -1
> START TIME : 11/21 13:23:21
> END TIME : -
> DEPLOY ID : one-225
>
> VIRTUAL MACHINE MONITORING
> USED MEMORY : 1024M
> USED CPU : 0
> NET_TX : 1K
> NET_RX : 71K
>
> PERMISSIONS
> OWNER : um-
> GROUP : ---
> OTHER : ---
>
> VM DISKS
> ID TARGET IMAGE TYPE SAVE SAVE_AS
> 0 sda Ubuntu 12.04 Clone file NO -
>
> VM NICS
> ID NETWORK VLAN BRIDGE IP MAC
> 0 Public Range 1 no public 193.111.185.139 02:00:c1:6f:b9:8b
> fe80::400:c1ff:fe6f:b98b
>
> VIRTUAL MACHINE HISTORY
> SEQ HOST ACTION DS START TIME PROLOG
> 0 node3 live-migrate 0 11/21 13:23:38 0d 00h03m 0h01m34s
> 1 node1 live-migrate 0 11/21 13:27:02 0d 00h02m 0h00m00s
> 2 node3 live-migrate 0 11/21 13:29:32 0d 01h04m 0h00m00s
> 3 node2 live-migrate 0 11/21 14:32:51 0d 00h01m 0h00m00s
> 4 node1 none 0 11/21 14:33:52 0d *00h05m* 0h00m00s
>
> VIRTUAL MACHINE TEMPLATE
> CONTEXT=[
> DISK_ID="1",
> ETH0_DNS="8.8.8.8",
> ETH0_GATEWAY="193.111.185.1",
> ETH0_IP="193.111.185.139",
> ETH0_MASK="255.255.255.0",
> ETH0_NETWORK="193.111.185.0",
> HOSTNAME="demo",
> NETWORK="YES",
> TARGET="hda",
> VDC_CACHE_SIZE="1G" ]
> CPU="0.1"
> GRAPHICS=[
> LISTEN="0.0.0.0",
> PORT="6125",
> TYPE="VNC" ]
> MEMORY="1024"
> RAW=[
> TYPE="kvm" ]
> TEMPLATE_ID="1"
> VMID="225"
>
> --
> *Gareth Bult*
> “The odds of hitting your target go up dramatically when you aim at it.”
>
>
>
> ------------------------------
> *From: *"Ruben S. Montero" <rsmontero at opennebula.org>
> *To: *"Gareth Bult" <gareth at linux.co.uk>
> *Cc: *"users" <users at lists.opennebula.org>
> *Sent: *Wednesday, 20 November, 2013 12:36:57 PM
> *Subject: *Re: [one-users] Re; Snapshots ...
>
> Ups my mistake, Storage tab I meant... When you save a disk you can do it
> live or deferred, deferred is when the VM is shutdown, live calls the cpds
> script to copy the disk to the datastore.
>
>
> On Wed, Nov 20, 2013 at 1:41 PM, Gareth Bult <gareth at linux.co.uk> wrote:
>
>> Ok, I've completely missed the capacity / cpds bit , indeed I can't see
>> any other snapshot option on the GUI
>> so I'm going to have to go back and read some more .. however
>>
>> Re; the bug, looks like rendering, gone back to it now and it looks fine
>> ...
>>
>> #HostAction ReasonChg timeTotal time Prolog time 0node3 live-migrateUSER19:08:46 19/11/20130d
>> 00:01 0d 00:00 1 node2live-migrate USER19:09:44 19/11/2013 0d 00:030d
>> 00:00 2node1 live-migrateUSER 19:12:56 19/11/20130d 00:01 0d 00:00 3node3
>> live-migrate USER19:13:59 19/11/2013 0d 14:470d 00:00 4node1 noneNONE10:00:15 20/11/20130d
>> 02:17 0d 00:00
>> I must admit to being a little confused, my "capacity" tab on VM's has
>> only a "resize" button .. which is inactive (?)
>> (cpds sounds ideal if I can find how to use it .. :) )
>>
>> --
>> *Gareth Bult*
>> “The odds of hitting your target go up dramatically when you aim at it.”
>>
>>
>>
>> ------------------------------
>> *From: *"Ruben S. Montero" <rsmontero at opennebula.org>
>> *To: *"Gareth Bult" <gareth at linux.co.uk>
>> *Cc: *"users" <users at lists.opennebula.org>
>> *Sent: *Wednesday, 20 November, 2013 11:20:09 AM
>> *Subject: *Re: [one-users] Re; Snapshots ...
>>
>> Hi
>>
>> As you know there are two types of snapshots, system and disk. Disk only
>> snapshots are handled through the capacity tab in sunstone and eventually
>> by the CPDS script in the TM. System snapshots are handled by the snapshot
>> script of VMM.
>>
>> There are no plans to redesign this, disk snapshotting can use a custom
>> storage facility through "cpds", but system snapshots will be handled
>> through the hypervisor....
>>
>> Note that system snapshots require also to checkpoint the memory state of
>> the system, thats the reason for requiring qcow2 in kvm. So I am not really
>> sure how this two processes, memory and disk snapshot, can be orchestrated
>> outside of libvirt, maybe libvirt hooks?
>>
>> About the bug, I am wondering if this is a rendering issue or something
>> deeper, could you send the output of:
>>
>> onevm show <VM_ID> -x
>>
>> Cheers
>>
>> Ruben
>>
>>
>>
>>
>>
>> On Wed, Nov 20, 2013 at 11:19 AM, Gareth Bult <gareth at linux.co.uk> wrote:
>>
>>> Hi,
>>>
>>> It seems that the snapshot facility relies on the "libvirt" snapshot
>>> facility wh
>>
>> ich at the moment
>>> relies entirely upon the QEMU snapshot facility, which means you can
>>> really only snapshot QCOW
>>> images. Before I start to modify remotes/bmm/kvm/snapshot*, is there a
>>> way or are there any plans
>>> to move snapshot functionality to the drivers such that we can use a
>>> custom snapshot facility on
>>> a per storage facility basis?
>>>
>>> Case in point;
>>>
>>> At the moment there seems to be a script which does this;
>>>
>>> virsh --connect $LIBVIRT_URI snapshot-create-as $DOMAIN (which is QCOW2
>>> only?)
>>>
>>> I would like it to be able to handle this;
>>>
>>> vdc-tool -n ON_IM_81 --mksnap "First Snapshot"
>>> > :: Snapshot created [First Snapshot]
>>>
>>> vdc-tool -n ON_IM_81 --lssnap
>>>
>>> +----------+--------------------------------------+----------+----------+----------------------+
>>> | UniqueID | Snapshot Name | Size | Blocks
>>> | Created@ |
>>>
>>> +----------+--------------------------------------+----------+----------+----------------------+
>>> | 1 | First Snapshot | 662.53M | 370404
>>> | 20 Oct 2013 09:55:08 |
>>> | | 6c0ca1c0-9d62-474a-83fc-369fa01d4068 | |
>>> | Root: 1196295401 |
>>>
>>> +----------+--------------------------------------+----------+----------+----------------------+
>>> Number of snapshot blocks used (370404) taking ( 662.53M)
>>> Current committed blocks = 652079
>>> Current blocks (0 ) and current size ( 0.00b)
>>>
>>> Obviously the vdc-tool output can be tweaked as necessary .. I would
>>> like to be able to integrate
>>> this into libvirt, but the snapshot API in libvirt appears still to be
>>> on the drawing board whereas
>>> I already have a working / usable snapshot facility ... any thoughts ?
>>>
>>> Incidentally, I think I just spotted a bug on the Placement log;
>>>
>>> # Host Action Reason Chg time Total
>>> time Prolog time
>>> 0 node3 live-migrate USER 19:08:46 19/11/2013 0d 00:01
>>> 0d 00:00
>>> 1 node2 live-migrate USER 19:09:44 19/11/2013 0d 00:03
>>> 0d 00:00
>>> 2 node1 live-migrate USER 19:12:56 19/11/2013 0d 00:01
>>> 0d 00:00
>>> 3 node3 live-migrate USER 19:13:59 19/11/2013 0d 14:47
>>> 0d 00:00
>>> 4 node1 none NONE 10:00:15 20/11/2013 30d
>>> 23:55 0d 00:00
>>>
>>> We've accumulated 30d of total time overnight ?!
>>> (yes, the clocks are in sync ...)
>>>
>>> --
>>> Gareth Bult
>>> “The odds of hitting your target go up dramatically when you aim at it.”
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opennebula.org
>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>
>>
>>
>>
>> --
>> --
>> Ruben S. Montero, PhD
>> Project co-Lead and Chief Architect
>> OpenNebula - Flexible Enterprise Cloud Made Simple
>> www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
>>
>>
>
>
> --
> --
> Ruben S. Montero, PhD
> Project co-Lead and Chief Architect
> OpenNebula - Flexible Enterprise Cloud Made Simple
> www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>
--
--
Daniel Molina
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org | dmolina at opennebula.org | @OpenNebula
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