Failed to Open Vddk Disk [[] /.vmdk] ( Is Read-only Mode - [true] )

Hello,
I testing veeam 5.0 and we accept run in to some bug.
I take VMware ESX 4.i.0

It is not possible to complete reserve copying.
There is an error.

Bankroll up object "[datastore1_800] Win7/Win7.vmdk"
BackupDiskFull failed
Client fault: Failed to open VDDK disk [[datastore1_800] Win7/Win7.vmdk] ( is read-only mode - [true] )
Failed to open VMDK.
Logon effort with parameters [VC/ESX: [10.1.2.23];Port: 902;Login: [dik];VMX Spec: [moref=448];Snapshot mor: [448-snapshot-25];Transports: [nbd]] failed considering of the following errors:

Server error: End of file

December 16, 2010 three:18 pm

Hi Dik, welcome to our forums. Delight review the forum rules on posting back up issues provided when you lot click New Topic. Thanks.

Mail by **WesleyKnox** » May 11, 2011 1:27 pm this post

Hi Guys,

My proper name is Wesley and I have had the aforementioned issues for most a week now. I accept managed to resolve my result past enableing VSS for all backup jobs. A domain or local account needs to be local admin on the VM in gild to use VSS. Its makes total sense ( read only manner) = VM being on and app, data or files being in use. Having this option enabled will freeze the guest and backup the VM's in your job. I really hope this helps out people having the same issue.

Thanks

Wesley Knox

Jun 24, 2012 seven:45 am

VB&R 6.1 on Server 2008 R2

Twenty-four hours 1, total fill-in chore runs fine.
Solar day 2, incremental backup job runs, VM that worked fine yesterday now gives:

Error: Client error: Failed to open VDDK disk [[VMFS5-EQL] ZCM/ZCM_1.vmdk] ( is read-just mode - [true] ) Failed to open VMDK. Logon attempt with parameters....

The KB http://world wide web.veeam.com/KB1100
is of no help every bit this VM does Non have IDE disks!

Seb

Jun 24, 2012 11:23 pm

If you are running into this error while running a job then please open upwards a ticket with support to get squared away. This fault alone does not provide plenty information as to why the job is declining. The KB that yous are referring to ( while it does contain the "failed to open up vddk disk" string ) is referring to a specific error. As seen towards the end of the "problem" row it makes reference to checking the logs for a line forth the lines of "Cannot apply hotadd to ship to mount Virtual Machines with non-SCSI disks" which is referring to trying to run a job using Virtual Apparatus ship mode confronting a VM containing IDE disks. And so, this KB is helpful if someone is throwing the "failed to open vddk disk" mistake and they happen to run across that line within their logs, but I assume this is not the instance for you. This is but a generic error being thrown stating that we cannot open the disk for some reason. Then, go ahead and open up upward a ticket with support so we can attempt and find in the logs what other issue may exist causing this error to be thrown.

Sep 17, 2013 4:xiii pm

9/fifteen/2013 xi:55:16 PM :: Processing 'xxx1' Fault: Customer mistake: Failed to open up VDDK disk [[VMFS_LUN04] 30/xxx_17.vmdk] ( is read-but mode - [true] )
Failed to open VMDK.
Logon try with parameters [VC/ESX: [vcenter];Port: 443;Login: [****];VMX Spec: [moref=vm-748];Snapshot mor: [snapshot-1115];Transports: [san];Read Only: [true]] failed because of the following errors:
Failed to open VMDK.
Logon try with parameters [VC/ESX: [vcenter];Port: 443;Login: [****];VMX Spec: [mor

case 00446547

Sep 21, 2013 ix:54 pm

Information technology seems to working now I added addition ram and CPU on my vCenter and some esx host could communicate anymore with the vcenter so I restarted at that place management agents

Sep 23, 2013 2:11 pm

Hello all,

I have had this issue lot of times ... specifically on big VM with vhd larger than 1To.
It took me i month to discover that turning upwards jumbo frame on the storage side resolve the issue, at least for me. I think that my hardware was pushed to the limit because of the IO at the iSCSI layer, resulting in some strange behaviours ...
And so it seems that sometimes this issue could be caused past a misconfiguration of the storage.

Hope this could help.

Post by **EBoucq** » Apr 02, 2015 ane:47 pm this post

Hi,

I take to run replications of a VM (on a SAN) to a NFS datastore on a NAS.
I use Veeam V7.
Later a few successful replication, I started to get errors similar mentionnig "failed to open vddk disk" and "read-only manner"

Could it be linked to the proxy ship mode configuration that's been ready to "Virtual Appliance" ? What would exist the best choice for that kind of storage (NAS) ?

Thanks !

Apr 02, 2015 2:01 pm

Hi Eric,
What is the build number of VBRv7 version you are using?
Yous are correct, ane of possible reasons is that Hot Add proxy didn't unmount disks failed server. Another guess is that there is a VM with unsupported disks type like IDE virtual disks.
Delight review the topic and this article.
Thank you.

Post by **EBoucq** » Apr 02, 2015 3:07 pm this post

Hi Nikita,

I'm using VBR v vii.0.0.871.
If the VM source is on a SAN and the replica on a NAS (NFS), what transport manner would you recommend
Thanks !

Post by **Shestakov** » Apr 02, 2015 3:32 pm this post

EBoucq wrote:I'm using VBR v seven.0.0.871.

Great, that`s the last release version of v7 (patch four). Is there a reason why you are not updating to v8?

EBoucq wrote:If the VM source is on a SAN and the replica on a NAS (NFS), what transport way would you recommend

To streamline the replication process, y'all tin deploy a backup proxy on a VM. The virtual backup proxy must exist registered on an ESX(i) host that has a direct connexion to the target datastore. In this case, the backup proxy will be able to use the Virtual Apparatus transport mode for writing replica data to target.
What transport fashion for replication VBR is using at present? Practise you run into the [hotadd] or [nbd] tag next to the target proxy server name in the VM processing log?

This topic contains more than relevant info. Please take a wait.
Thanks.

Apr 03, 2015 7:14 am

Hi Nikita,

This is how the replication is set up:
Source proxy: transport style --> Virtual appliance --> [hotadd] appears in the log
target proxy: transport way --> Virtual appliance --> [hotadd] appears in the log
Shouldn't I cull an other option than Virtual appliance if I don't want hotadd

Source VM is a Windows Vista 64-bit with LSI Logic SAS controller.

Post past **Shestakov** » Apr 03, 2015 12:09 pm this mail

Thank you for the answer.
If you don`t want to use hot-add together, yous tin switch to the Network mode.
You tin instruct VBR to switch to the Network send mode and transfer VM data over the LAN if the primary ship style — Direct SAN Admission or Virtual Appliance — becomes inaccessible. This option is enabled by default to ensure that jobs and tasks can be completed successfully in any state of affairs.
Thank you.

Oct 08, 2019 3:33 pm

Hi Guys,

My proper name is Adrian, and I take this error trying to practice a Quick Migration with Veeam Backup and Replication Update iv:

8/x/2019 11:25:27 :: Copying VM files Mistake: Failed to open VDDK disk [[datastore1] VM HADES/hades_1-s001.vmdk] ( is read-merely style - [truthful] )
Logon try with parameters [VC/ESX: [192.168.i.3];Port: 902;Login: [root];VMX Spec: [moref=30];Snapshot mor: [30-snapshot-i];Transports: [nbd];Read Only: [true]] failed considering of the post-obit errors:
Failed to replicate content of the disk [vddk://<vddkConnSpec><viConn proper name="192.168.1.iii" authdPort="902" vicPort="443" /><vmxPath vmRef="thirty" datacenterRef="ha-datacenter" datacenterIn

The source is ESXI 5.five and the destination is ESXI 6.vii

Thanks!!!

Mail past **wishr** » Oct 08, 2019 3:47 pm this post

Hello Adrian,

Welcome to Veeam Community Forums!

If none of the aforementioned solutions help, delight reach out to our technical support team directly and postal service your support case ID here once you take it. This process is in place to brand certain you lot become a solution ASAP and community members do good from such posts.

Thanks

Mar 03, 2020 1:twenty pm

Hi everybody! I have similar problem. Backups oftentimes fail with error:

Failed to open up VDDK deejay [xxx.vmdk] ( is read-only fashion - [true] )
Logon effort with parameters [VC/ESX: [30];Port: 443;Login: [veeam@vsphere.local];VMX Spec: [moref=vm-23766];Snapshot mor: [snapshot-26772];Transports: [nbd];Read But: [truthful]] failed considering of the following errors:
Failed to open disk for read.
Failed to upload disk.
Agent failed to process method {DataTransfer.SyncDisk}.

and in log is this additional info: VDDK error: 30028 (Network operation timed out). Value: 0x000000000000754c

I have tried to utilize different send modes, and proxies but no difference. Originally I suspected network connection just there is no errors or any problems. Backup jobs sometime works fine, sometime some jobs are successful at retry and sometime jobs fail. Any advice or idea? Thanks a lot in advance!

Failed to Open Vddk Disk [[] /.vmdk] ( Is Read-only Mode - [true] )

Failed to open up VDDK disk - is read-only mode - [true]

Re: Failed to open VDDK disk - is read-merely manner - [true]

Re: Failed to open VDDK disk - is read-just style - [true]

Re: Failed to open VDDK disk - is read-only mode - [true]

Re: Failed to open VDDK disk - is read-but mode - [true]

[MERGED] Error: Customer fault: Failed to open VDDK disk [[vmf

Re: Failed to open VDDK disk - is read-just way - [true]

Re: Failed to open up VDDK disk - is read-only manner - [truthful]

[MERGED] Replication to NFS datastore (NAS)

Re: Failed to open VDDK disk - is read-simply manner - [truthful]

Re: Failed to open up VDDK deejay - is read-only mode - [true]

Re: Failed to open VDDK deejay - is read-only style - [true]

Re: Failed to open VDDK disk - is read-merely manner - [true]

Re: Failed to open VDDK disk - is read-but mode - [truthful]

Re: Failed to open VDDK deejay - is read-only mode - [truthful]

Re: Failed to open up VDDK disk - is read-only mode - [true]

Re: Failed to open up VDDK disk - is read-only manner - [true]

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