cloudstack-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Lotic Lists" <li...@lotic.com.br>
Subject RE: Strange size of template from snapshot on XenServer
Date Tue, 31 Oct 2017 17:36:46 GMT
Hi Rafael, thanks for test.

I found the issue https://issues.apache.org/jira/browse/CLOUDSTACK-9025
I think is a same case. I will up a new lab environment now for simulate the issue

Regards.
Marcelo

-----Original Message-----
From: Rafael Weingärtner [mailto:rafaelweingartner@gmail.com] 
Sent: segunda-feira, 30 de outubro de 2017 12:08
To: users@cloudstack.apache.org
Subject: Re: Strange size of template from snapshot on XenServer

I just did, and the size of the template is the size of the root disk + the 1GB file I created
in the test vm.

The system I tested this is an ACS 4.9.2, XenServer 6.5, Primary Stg ISCSI

On Mon, Oct 30, 2017 at 10:20 AM, Lotic Lists <lists@lotic.com.br> wrote:

> Good morning
>
> Guys, who could execute the test below?
>
> 1. Create a manual snapshot of a volume 2. Create a file (1GB) with dd 
> on VM 3. Create second snapshot of a volume 4. Convert latest snapshot 
> to a template 5. Verify the size of vhd of new template in secondary 
> storage.
>
> Here the template have 1GB, exactly the size of latest snapshot.
>
> ACS 4.9.3, XenServer 6.5, Primary Stg ISCSI
>
>
> -----Original Message-----
> From: Lotic Lists [mailto:lists@lotic.com.br]
> Sent: quinta-feira, 26 de outubro de 2017 15:03
> To: users@cloudstack.apache.org
> Subject: RE: Strange size of template from snapshot on XenServer
>
> I test the same case on other environment, create template from 
> snapshot, acs 4.9.2.0 and XenServer 6.5/iscsi
>
> 1. Was created two snapshots
>
> # ls -lh /var/cloud_mount/e5921d9a-70b0-3501-9fda-6097e721fffb/
> snapshots/131/617/
> total 3.0G
> -rw-r--r-- 1 4294967294 root  13G Oct 26 13:46 
> 42c7c51d-4aa7-40d2-b5eb- cb56fc963974.vhd
> -rw-r--r-- 1 4294967294 root 1.2G Oct 26 14:42 
> 53b33a5a-a7d9-4efa-b126- 38eec5482b05.vhd
>
> https://i.imgur.com/cSHZAJ3.png
>
> 2. create a template from latest snapshot
>
> # ls -lh
> total 37M
> -rw-r--r-- 1 4294967294 root 1.2G Oct 26 14:43 
> 637604a6-3085-444e-ba09- b9aab11a2c16.vhd
> -rw-r--r-- 1 4294967294 root  303 Oct 26 14:43 template.properties
>
> # cat template.properties
> #Thu Oct 26 16:43:54 UTC 2017
> filename=637604a6-3085-444e-ba09-b9aab11a2c16.vhd
> id=1
> vhd=true
> vhd.filename=637604a6-3085-444e-ba09-b9aab11a2c16.vhd
> public=true
> uniquename=637604a6-3085-444e-ba09-b9aab11a2c16
> vhd.virtualsize=21474836480
> virtualsize=21474836480
> hvm=
> vhd.size=1197752832
> size=1197752832
>
> # md5sum /var/cloud_mount/e5921d9a-70b0-3501-9fda-6097e721fffb/
> snapshots/131/617/53b33a5a-a7d9-4efa-b126-38eec5482b05.vhd
> 9d2078a6f41ca5e1eab824848c06df53  /var/cloud_mount/e5921d9a-
> 70b0-3501-9fda-6097e721fffb/snapshots/131/617/53b33a5a-
> a7d9-4efa-b126-38eec5482b05.vhd
>
> # md5sum /var/cloud_mount/e5921d9a-70b0-3501-9fda-6097e721fffb/
> template/tmpl/2/294/637604a6-3085-444e-ba09-b9aab11a2c16.vhd
> 9d2078a6f41ca5e1eab824848c06df53  /var/cloud_mount/e5921d9a-
> 70b0-3501-9fda-6097e721fffb/template/tmpl/2/294/637604a6-
> 3085-444e-ba09-b9aab11a2c16.vhd
>
> ACS not merge files of snapshots in a single file for template, I 
> think it's a bug.
>
>
> -----Original Message-----
> From: Rafael Weingärtner [mailto:rafaelweingartner@gmail.com]
> Sent: quarta-feira, 25 de outubro de 2017 22:51
> To: users@cloudstack.apache.org
> Subject: Re: Strange size of template from snapshot on XenServer
>
> It is easy to test, get one of these files and try to use them in 
> Virtualbox. If they run, they do not require anything else.
>
> On Wed, Oct 25, 2017 at 10:49 PM, Lotic Lists <lists@lotic.com.br> wrote:
>
> > Sure but files on secondary storage don't have parents, I don't know 
> > if ACS can connect standalone files.
> >
> > vhd-util scan -f -m'*.vhd' -p
> > vhd=14818597-55bb-49be-9ace-761e9e01c074.vhd capacity=311385128960
> > size=304124744192 hidden=0 parent=none 
> > vhd=bbd9e9b5-53fb-44a2-afbe-f262396a2d84.vhd capacity=311385128960
> > size=17770869248 hidden=0 parent=none 
> > vhd=3b90bbb2-7ce5-41f6-9f7e-fd0ea061cb2d.vhd capacity=311385128960
> > size=52199817728 hidden=0 parent=none 
> > vhd=4b450217-c9ad-45a2-946b-de3cb323469b.vhd capacity=311385128960
> > size=51615670784 hidden=0 parent=none
> >
> >
> > -----Original Message-----
> > From: Rafael Weingärtner [mailto:rafaelweingartner@gmail.com]
> > Sent: quarta-feira, 25 de outubro de 2017 22:35
> > To: users@cloudstack.apache.org
> > Subject: Re: Strange size of template from snapshot on XenServer
> >
> > If it was not executing coalesce you would see the parent reference 
> > when you listed the hierarchy, right?
> >
> > On Wed, Oct 25, 2017 at 10:25 PM, Lotic Lists <lists@lotic.com.br>
> wrote:
> >
> > > I think ACS preserve all VHDs for coalesce but coalesce not occur 
> > > when create a template or before starting next snapshot scheduled.
> > > If I create a template from any snapshots (2) showing in GUI, the 
> > > template have 49GB. 49 GB is the size of the 2 latest files on 
> > > secondary
> > storage.
> > >
> > > What do you think? Bug?
> > >
> > >
> > > -----Original Message-----
> > > From: Rafael Weingärtner [mailto:rafaelweingartner@gmail.com]
> > > Sent: quarta-feira, 25 de outubro de 2017 22:07
> > > To: users@cloudstack.apache.org
> > > Subject: Re: Strange size of template from snapshot on XenServer
> > >
> > > Aha, The two destroyed entries are showing " removed: NULL".
> > >
> > > In ACS one thing is the "destroying" of a resource, another is the 
> > > removal of this resource from the system. I believe there is 
> > > something to do with the expunge interval, but I am not sure if 
> > > the snapshots complete removal also happens within the expunge 
> > > interval of user VMs or if it is configured by something else.
> > >
> > >
> > > On Wed, Oct 25, 2017 at 10:03 PM, Lotic Lists <lists@lotic.com.br>
> > wrote:
> > >
> > > > I not start manual snapshot, just scheduled with keep=2
> > > >
> > > > GUI showing 2 snapshots, database showing 4 entries, 2 Destroyed 
> > > > and
> > > > 2 BackedUp
> > > >
> > > > *************************** 132. row ***************************
> > > >               id: 6380
> > > >   data_center_id: 2
> > > >       account_id: 64
> > > >        domain_id: 49
> > > >        volume_id: 2102
> > > > disk_offering_id: 230
> > > >           status: Destroyed
> > > >             path: NULL
> > > >             name: FullCRM_ROOT-542_20171022030205
> > > >             uuid: 1294cdb7-01bf-4e76-b4c0-11b3c6b395e9
> > > >    snapshot_type: 4
> > > > type_description: DAILY
> > > >             size: 311385128960
> > > >          created: 2017-10-22 03:02:05
> > > >          removed: NULL
> > > >   backup_snap_id: NULL
> > > >         swift_id: NULL
> > > >       sechost_id: NULL
> > > >     prev_snap_id: NULL
> > > >  hypervisor_type: XenServer
> > > >          version: 2.2
> > > >            s3_id: NULL
> > > >         min_iops: NULL
> > > >         max_iops: NULL
> > > > *************************** 133. row ***************************
> > > >               id: 6416
> > > >   data_center_id: 2
> > > >       account_id: 64
> > > >        domain_id: 49
> > > >        volume_id: 2102
> > > > disk_offering_id: 230
> > > >           status: Destroyed
> > > >             path: NULL
> > > >             name: FullCRM_ROOT-542_20171023030205
> > > >             uuid: 0a8067a3-ad15-40b6-8b16-c1881d7d9f41
> > > >    snapshot_type: 4
> > > > type_description: DAILY
> > > >             size: 311385128960
> > > >          created: 2017-10-23 03:02:05
> > > >          removed: NULL
> > > >   backup_snap_id: NULL
> > > >         swift_id: NULL
> > > >       sechost_id: NULL
> > > >     prev_snap_id: NULL
> > > >  hypervisor_type: XenServer
> > > >          version: 2.2
> > > >            s3_id: NULL
> > > >         min_iops: NULL
> > > >         max_iops: NULL
> > > > *************************** 134. row ***************************
> > > >               id: 6455
> > > >   data_center_id: 2
> > > >       account_id: 64
> > > >        domain_id: 49
> > > >        volume_id: 2102
> > > > disk_offering_id: 230
> > > >           status: BackedUp
> > > >             path: NULL
> > > >             name: FullCRM_ROOT-542_20171024030207
> > > >             uuid: 1ca646e5-a155-4a59-aa31-5889eec7536f
> > > >    snapshot_type: 4
> > > > type_description: DAILY
> > > >             size: 311385128960
> > > >          created: 2017-10-24 03:02:07
> > > >          removed: NULL
> > > >   backup_snap_id: NULL
> > > >         swift_id: NULL
> > > >       sechost_id: NULL
> > > >     prev_snap_id: NULL
> > > >  hypervisor_type: XenServer
> > > >          version: 2.2
> > > >            s3_id: NULL
> > > >         min_iops: NULL
> > > >         max_iops: NULL
> > > > *************************** 135. row ***************************
> > > >               id: 6497
> > > >   data_center_id: 2
> > > >       account_id: 64
> > > >        domain_id: 49
> > > >        volume_id: 2102
> > > > disk_offering_id: 230
> > > >           status: BackedUp
> > > >             path: NULL
> > > >             name: FullCRM_ROOT-542_20171025030208
> > > >             uuid: 759d61dc-e3db-4815-b68b-b90904ccbda5
> > > >    snapshot_type: 4
> > > > type_description: DAILY
> > > >             size: 311385128960
> > > >          created: 2017-10-25 03:02:08
> > > >          removed: NULL
> > > >   backup_snap_id: NULL
> > > >         swift_id: NULL
> > > >       sechost_id: NULL
> > > >     prev_snap_id: NULL
> > > >  hypervisor_type: XenServer
> > > >          version: 2.2
> > > >            s3_id: NULL
> > > >         min_iops: NULL
> > > >         max_iops: NULL
> > > >
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Rafael Weingärtner [mailto:rafaelweingartner@gmail.com]
> > > > Sent: quarta-feira, 25 de outubro de 2017 21:50
> > > > To: users@cloudstack.apache.org
> > > > Subject: Re: Strange size of template from snapshot on XenServer
> > > >
> > > > The file "14818597-55bb-49be-9ace-761e9e01c074.vhd" seems more 
> > > > like a manual snapshot. It was created 2 hours after the "normal"
> > > > time. I would check these snapshots in ACS and see how they are
> presented.
> > > > BTW, how many snapshots is ACS showing for this volume? I would 
> > > > also check the "snapshots" table for the volume you have 
> > > > configured
> them.
> > > > select * from snapshots where volume_id = ?
> > > >
> > > > you may also filter for removed:
> > > > select * from snapshots where volume_id = ? and removed is null
> > > >
> > > > On Wed, Oct 25, 2017 at 9:39 PM, Lotic Lists 
> > > > <lists@lotic.com.br>
> > wrote:
> > > >
> > > > > Hi Rafael, I check
> > > > >
> > > > > # ls -lrt
> > > > > total 285368382
> > > > > -rw-r--r-- 1 root root 304124744192 Oct 22 03:28
> > > > > 14818597-55bb-49be-9ace- 761e9e01c074.vhd
> > > > > -rw-r--r-- 1 root root  17770869248 Oct 23 01:10
> > > > > bbd9e9b5-53fb-44a2-afbe- f262396a2d84.vhd
> > > > > -rw-r--r-- 1 root root  52199817728 Oct 24 01:30
> > > > > 3b90bbb2-7ce5-41f6-9f7e- fd0ea061cb2d.vhd
> > > > > -rw-r--r-- 1 root root  51615670784 Oct 25 01:28
> > > > > 4b450217-c9ad-45a2-946b- de3cb323469b.vhd
> > > > >
> > > > > # vhd-util scan -f -m'*.vhd' -p 
> > > > > vhd=14818597-55bb-49be-9ace-761e9e01c074.vhd
> > > > > capacity=311385128960
> > > > > size=304124744192 hidden=0 parent=none 
> > > > > vhd=bbd9e9b5-53fb-44a2-afbe-f262396a2d84.vhd
> > > > > capacity=311385128960
> > > > > size=17770869248 hidden=0 parent=none 
> > > > > vhd=3b90bbb2-7ce5-41f6-9f7e-fd0ea061cb2d.vhd
> > > > > capacity=311385128960
> > > > > size=52199817728 hidden=0 parent=none 
> > > > > vhd=4b450217-c9ad-45a2-946b-de3cb323469b.vhd
> > > > > capacity=311385128960
> > > > > size=51615670784 hidden=0 parent=none
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > -----Original Message-----
> > > > > From: Rafael Weingärtner [mailto:rafaelweingartner@gmail.com]
> > > > > Sent: quarta-feira, 25 de outubro de 2017 20:44
> > > > > To: users@cloudstack.apache.org
> > > > > Subject: Re: Strange size of template from snapshot on 
> > > > > XenServer
> > > > >
> > > > > Did you check the hierarchy of those snapshot files in your 
> > > > > secondary storage?
> > > > >
> > > > >
> > > > >
> > > > > On Wed, Oct 25, 2017 at 7:44 PM, Lotic Lists 
> > > > > <lists@lotic.com.br>
> > > wrote:
> > > > >
> > > > > > Hi all
> > > > > >
> > > > > >
> > > > > >
> > > > > > Anyone identify problems with templates from snapshots on
> > XenServer?
> > > > > >
> > > > > > I created a recurrent snapshot, first VHD on secondary 
> > > > > > storage have a similar size of volume. If I create a 
> > > > > > template from latest snapshot, the size of VHD of template 
> > > > > > is smaller equal from last snapshot, I think 
> > > > > > CloudStack/Xenserver not coalesce VHD files of secondary 
> > > > > > storage for create the template
> > > > > >
> > > > > >
> > > > > >
> > > > > > I keep two recurrent snapshots, on secondary storage have 
> > > > > > four
> > files.
> > > > > >
> > > > > >
> > > > > >
> > > > > > Environment is ACS 4.9.3.0 and XenServer 6.5, primary 
> > > > > > storage is PreSetup with ISCSI.
> > > > > >
> > > > > >
> > > > > >
> > > > > > Thanks
> > > > > >
> > > > > > Marcelo
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Rafael Weingärtner
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > > Rafael Weingärtner
> > > >
> > > >
> > >
> > >
> > > --
> > > Rafael Weingärtner
> > >
> > >
> >
> >
> > --
> > Rafael Weingärtner
> >
> >
>
>
> --
> Rafael Weingärtner
>
>
>


--
Rafael Weingärtner


Mime
View raw message