[PVE-User] One VM won't backup

Mon Jan 4 04:15:13 CET 2016

Just a quick update to let everyone know how I solved this issue. 

It turns out one of the previous backup attempts left some corrupt files on the backup target. Once I manually deleted those, the backup worked perfectly. 

Thanks to everyone for their help, 
Daniel 

From: "Daniel Bayerdorffer" <danielb at numberall.com> 
To: "PVE User List" <pve-user at pve.proxmox.com> 
Sent: Tuesday, December 8, 2015 9:35:27 AM 
Subject: Re: [PVE-User] One VM won't backup 

I will try shutting it down and doing a backup then. It will have to wait for after business hours. 

From: "Gilberto Nunes" <gilberto.nunes32 at gmail.com> 
To: "PVE User List" <pve-user at pve.proxmox.com> 
Sent: Monday, December 7, 2015 10:09:42 AM 
Subject: Re: [PVE-User] One VM won't backup 

Hello... 

Well... It's hard to say.... But I bet that perhaps there is something in side the VM running atsame time the back task... 
Just a shot in the dark.... 

2015-12-07 13:07 GMT-02:00 Daniel Bayerdorffer < danielb at numberall.com > : 

Hi Gilberto, 

There is a big difference in size. The one that is failing is about 80GB, the others are around 2-3GB. However the big one (VM101) was working even at this size for several weeks. The connection is Giga Ethernet. 

Could there be some sort of leftover file lock or something that I need to disable? Because as the log file shows, it doesn't even start copying data. 

Thanks, 
Daniel 

From: "Gilberto Nunes" < gilberto.nunes32 at gmail.com > 
To: "PVE User List" < pve-user at pve.proxmox.com > 
Sent: Monday, December 7, 2015 5:26:34 AM 

Subject: Re: [PVE-User] One VM won't backup 

Hello 

Can you tell us, how the size of each backup and VM image file? 
Perhaps, the CIFS protocol has some bottleneck regard file size or something like that. 
How about the network connection between PVE and samba server?? Is it fast or giga ethernet?? 

2015-12-07 0:31 GMT-02:00 Daniel Bayerdorffer < danielb at numberall.com > : 

BQ_BEGIN

Hi Gilberto and Lindsay, 

The remote backup is samba. I have two other VM's that backup just fine to it. And this VM was backing up just fine, it stopped working a couple weeks ago. 

The local storage is a hardware raid controller on the same machine as Proxmox. 

Thanks for your help, 
Daniel 

From: "Lindsay Mathieson" < lindsay.mathieson at gmail.com > 
To: "PVE User List" < pve-user at pve.proxmox.com > 
Sent: Sunday, December 6, 2015 4:20:52 PM 
Subject: Re: [PVE-User] One VM won't backup 

What sort of storage is VM 101 hosted on? 

On 6/12/2015 2:39 PM, Daniel Bayerdorffer wrote: 

BQ_BEGIN

Hello Everyone, 

I'm having trouble with one of my VMs not backing up. The other ones will backup just fine. I've tried doing a backup with both types of compression, but it doesn't make a difference. 

I'm using Proxmox 3.4-11 

Here's the log file, and it ends where the backup gets stuck. 

INFO: starting new backup job: vzdump 101 --remove 0 --mode snapshot --compress gzip --storage vmbackup --node proxmox 
INFO: Starting Backup of VM 101 (qemu) 
INFO: status = running 
INFO: update VM 101: -lock backup 
INFO: backup mode: snapshot 
INFO: ionice priority: 7 
INFO: snapshots found (not included into backup) 
INFO: creating archive '/mnt/vmbackup/dump/vzdump-qemu-101-2015_12_05-23_29_58.vma.gz' 
INFO: started backup task 'b66f6edd-fe4f-4c1d-9cf9-8ee1eb42b72a' 
INFO: status: 0% (45613056/966367641600), sparse 0% (14249984), duration 3, 15/10 MB/s 

Thanks for any help, 
Daniel 

-- 
Daniel Bayerdorffer, VP danielb at numberall.com 
Numberall Stamp & Tool Co., Inc. www.numberall.com 
PO BOX 187, Sangerville, ME 04479 USA 
TEL: 207-876-3541 FAX: 207-876-3566 

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-- 

Gilberto Ferreira 
+55 (47) 9676-7530 
Skype: gilberto.nunes36 

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+55 (47) 9676-7530 
Skype: gilberto.nunes36 

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