is the backup for physical drives or the VSS backup?

Hello - I'm seeing this for virtual machines that are being backed up through the Avamar agent.

Hallo I have the same error on two servers:

Unable to retrieve volume information for 'E:\' (Code: 0x57 code 87: The parameter is incorrect)

But as far as I know on this server was never mounted a E: network or physical disk.

Thanks, Pietro.

again is the backup for the server or the VSS,

if you have your policy setup correctly any windows server with Avamar installed will get 2 backups.

one for the physical server and one for VSS.

Depending on how you have your backup setup, your exclude may only be applied to the physical backup and not the vss backup.

in activity monitor look a the good and the bad backup - go look at the Plug in column.

We recently had a couple of escalations come through for this issue (Unable to retrieve volume information for 'A:\'). In both these cases, the systems were virtual machines where there was a floppy drive configured in the machine but no floppy drive or floppy image available. Removing the floppy drive from the VM resolved these issues.

Hi Ian,

I have the same problem on some physical servers which have a sort of removable device.

2014-03-19 20:11:47 avtar Error <0000>: Unable to retrieve volume information for 'Y:\' (Code: 0x57 code 87: Falscher Parameter)

2014-03-19 20:11:47 avtar Info <7324>: Volume Type for "Y:\" is "", Supports Compression=0, Encryption=0, ACLS=0, DataStreams=0, Reparse=0, Sparse=0, Hardlinks=0

2014-03-19 20:11:47 avtar Info <7324>: Volume Type for "Z:\" is "", Supports Compression=0, Encryption=0, ACLS=0, DataStreams=0, Reparse=0, Sparse=0, Hardlinks=0

2014-03-19 20:11:47 avtar Info <5811>: - Traversing drive 'C:' kind 'Local Fixed Disk'

2014-03-19 20:11:47 avtar Info <5811>: - Traversing drive 'D:' kind 'Local Fixed Disk'

2014-03-19 20:11:48 avtar Info <5811>: - Traversing drive 'E:' kind 'Local Fixed Disk'

2014-03-19 20:11:48 avtar Info <5810>: - Not traversing drive 'X:' kind 'CDROM'

2014-03-19 20:11:48 avtar Info <5810>: - Not traversing drive 'Y:' kind 'Removable'

2014-03-19 20:11:48 avtar Info <5810>: - Not traversing drive 'Z:' kind 'CDROM'

I removed the setting "Backup Natively Attached Virtual Hard Disks" in the dataset options, but this didn´t help.

Is there any workaround for this issue?

I haven't seen this on physical machines before. I would recommend opening a service request.

I have exactly the same with excluding C and D when I didn't excluded ....please any help I appreciated;

2014-03-27 13:23:39 avtar Info <6074>: VSS snapshot set creation successful

2014-03-27 13:23:39 avtar Info <7324>: Volume Type for "\" is "NTFS", Supports Compression=1, Encryption=1, ACLS=1, DataStreams=1, Reparse=1, Sparse=1

2014-03-27 13:23:39 avtar Info <5811>: - Traversing drive 'C:' kind 'Local Fixed Disk'

2014-03-27 13:23:39 avtar Info <5811>: - Traversing drive 'D:' kind 'Local Fixed Disk'

2014-03-27 13:23:39 avtar Info <7324>: Volume Type for "D:\" is "NTFS", Supports Compression=1, Encryption=1, ACLS=1, DataStreams=1, Reparse=1, Sparse=1

2014-03-27 13:23:39 avtar Info <5810>: - Not traversing drive 'F:' kind 'CDROM'

2014-03-27 13:23:39 avtar Info <5810>: - Not traversing drive 'Z:' kind 'CDROM'

2014-03-27 13:23:39 avtar Info <5163>: Backup complete, wrapping-up session with Server

2014-03-27 13:23:41 avtar Info <11035>: Reading 17 user profiles

2014-03-27 13:23:50 avtar Info <11036>: Done reading user profiles

2014-03-27 13:23:50 avtar Info <5375>:   1 match for exclude pattern "C:\*".

2014-03-27 13:23:50 avtar Info <5375>:   1 match for exclude pattern "D:\*".

My concern is why it's skipping C: and D: ?

search your backup log for the word exclude.

it looks to me like C and D have been excluded - either in the datastore or in the avtar file on the client.

Hello, I have just been informed that after 7.1 client there is new command.

If you are using 7.0.1-61 client or lower there is a hotfix 187776 which replaces the avtar binary .

A flag was used:

--no-query-vols=z: would then be used in an avtar.cmd file.

c:\program files\avs\var\avtar.cmd

If the Client is 7.1 or Higher, the hotfix is worked into the code, so you can just use the flag.

This means if you need to exclude A: or CD letter use the --no-query-vols=Drive letter in the avtar.cmd file on that server.

Also the line could be added in the dataset, to exclude all floppies.

/Göran