Mounting vhdx
Igor Varfolomeev
- Create a new dummy 100MB vhdx file on a local HDD with "right click on start -> disk management -> Action -> Create VHD".
- The vhdx is mounted OK, it is possible to copy a file into it. Disconnecting and re-attaching also works OK.
- Disconnect the vhdx and move it to "\\sshfs.r\user@host\path\test.vhdx"
- Try mount it with "disk management -> Action-> Attach VHD" using the WinFsp drive letter or full path - it fails with the following dummy error message:"""---------------------------Virtual Disk Manager---------------------------The parameter is incorrect.---------------------------OK---------------------------
""" - Try mount it with "elevated cmd -> `diskpart` -> `select vdisk file="\\sshfs.r\user@host\path\test.vhdx"`" - it fails with
"""
DiskPart has encountered an error: The parameter is incorrect.
See the System Event Log for more information.
There is no virtual disk selected.
"""
- Here Shermatr0n mentioned that similar symptoms might be related to a disk quota.
I've noticed that "Quotas" is mentioned in the unsupported features list. - There's a fairly large number of posts mentioning that mounting vhdx that is located on a linux-based NAS is problematic. Sometimes people attribute this to the lack of SMB3 support.
- OS version and build: Windows 10 version 1803, 17134.1304
- WinFsp version and build: 1.8.20304 , sshfs-win-3.5.20357-x64
Igor Varfolomeev
Bill Zissimopoulos
Thanks. I have responded there.
Bill
From: win...@googlegroups.com <win...@googlegroups.com>
On Behalf Of Igor Varfolomeev
Sent: Friday, April 2, 2021 1:29 PM
To: WinFsp <win...@googlegroups.com>
Subject: [winfsp] Re: Mounting vhdx
Just for reference, I've also opened an issue here: https://github.com/billziss-gh/winfsp/issues/358 .
On Saturday, March 20, 2021 at 3:52:00 PM UTC+3 Igor Varfolomeev wrote:
I fount that it's not possible to mount vhdx disk image via WinFsp.
Reproduction steps:
1. Create a new dummy 100MB vhdx file on a local HDD with "right click on start -> disk management -> Action -> Create VHD".
2. The vhdx is mounted OK, it is possible to copy a file into it. Disconnecting and re-attaching also works OK.
3. Disconnect the vhdx and move it to "\\sshfs.r\user@host\path\test.vhdx"
4. Try mount it with "disk management -> Action-> Attach VHD" using the WinFsp drive letter or full path - it fails with the following dummy error message:
"""
---------------------------
Virtual Disk Manager
---------------------------
The parameter is incorrect.
---------------------------
OK
---------------------------
"""
5. Try mount it with "elevated cmd -> `diskpart` -> `select vdisk file="\\sshfs.r\user@host\path\test.vhdx"`" - it fails with
"""
DiskPart has encountered an error: The parameter is incorrect.
See the System Event Log for more information.
There is no virtual disk selected.
"""
Known issues related to vhdx mounting:
1. Here Shermatr0n mentioned that similar symptoms might be related to a disk quota.
I've noticed that "Quotas" is mentioned in the unsupported features list.
2. There's a fairly large number of posts mentioning that mounting vhdx that is located on a linux-based NAS is problematic. Sometimes people attribute this to the lack of SMB3 support.
So, is there any chance to make WinFsp work for vhd/vhdx mounting?
Should it work, or it a known incompatibility?
· OS version and build: Windows 10 version 1803, 17134.1304
· WinFsp version and build: 1.8.20304 , sshfs-win-3.5.20357-x64
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