Hi, If the backup is not failing, I would think this is not caused by Hyper-V. Please disable the floppy drive in the Device Manager of Windows and see if the error goes away. If in doubt, scan the disks with SAMdisk and see what shows up. It’s in this archive http: I think there is a bug between the VM VSS writer and this virtual floppy drive, even though it is not added as hardware from the host.
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The short-write feature of the driver relies on proper DMA behaviour too. If in doubt, scan the disks with SAMdisk and see what shows up.
Event 12289 Volume Shadow Copy Service error: Unexpected error DeviceIoControl
It’s on his website here http: The question is then whether the controller BIOS can coexist with or even replace the original BIOS floppy routines, which is a requirement in my case since there will be two disks on fdc generic floppy drive of the two controllers.
If you happened to have any disassembly that shows port addresses let me know, although the BIOS seems pretty small so I wonder whether all it does is tweak some values for floppy drives 3 and 4 before passing control on to the existing BIOS, rather than drove full software support for the fdc generic floppy drive controller.
You need a disk utility to make use of the driver. If you can’t figure it out let me know, I have a disassembly somewhere where I documented most things.
Francis’ home page – MB floppy disk controller project
fdc generic floppy drive Remove From My Forums. It will only work with a second drive connected to the same cable, and your FDC must support both drives. Volume Shadow Copy Service error: Monday, September 24, 2: The problem is that if you have a floppy card at a secondary address, you can’t simply use a 4 drive controller to accommodate 2 drives on one controller and 2 on another, secondary controller.
The drive motor never goes off again and fdc generic floppy drive first two floppies on the primary controller stop working whether I tell SDRIVE to handle the primary drives or not. By continuing to browse this site, you agree to this use. It’ll take awhile to find it, but I know that I’ve got it.
Sign in to vote. You still have one FDC, but with lines diverted as appropriate.
Note that there currently is no floppy drive attached to this guest. Many modern motherboards only support a single floppy drive.
volume shadow copy error consistantly showing up on our VM servers Windows Logs
Writing CRC errors with specific sector contents Writing sectors with missing data fields Writing truncated sectors e. If the backup is not failing, I would think this is not caused by Hyper-V.
It used to be done with type controllers quite a bit. Drrive Owen simon simonowen. Does anyone know whether BIOS images from these controllers are available online?
Well I spent several hours last fdc generic floppy drive looking for my documented disassembly on my hard drives mainly for my own purposes, it was part of a larger project I want to continue but I can’t find it.
Most Fdc generic floppy drive soft-sectored disks should work. The drive type is set with rdive on the card. I found several other threads having this same issue however they were using VMWare.
SDRIVE manages to switch the motor on for the fourth fdc generic floppy drive, but only when a third drive is connected and that’s as far as it gets. I think there is a bug between the VM VSS writer and this virtual floppy drive, even though it is not added as hardware from the host.
No — USB floppy drives contain a separate floppy controller chip, which is not directly accessible from the host PC. It’s in this archive http: For general purpose copying try SAMdisk.