[SOLVED] A physical disk with an exFAT partition passed through to VM Win 10 is detected by the guest OS as a disk with a RAW partition

POKOB

New Member
Oct 4, 2021
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There are several disks with exFAT and NTFS partitions. NTFS partition disks are visible in the guest OS. Disks with an exFAT partition are visible as disks with a RAW partition. Can you tell me where my mistake is?

Guest OS with Linux Server 20.04 work with such disks correctly

Code:
agent: 1
boot: order=scsi0;net0
cores: 2
machine: pc-i440fx-6.0
memory: 4096
name: VM_Win10
net0: e1000=08:00:27:FB:C3:A4,bridge=vmbr0,firewall=1
numa: 0
ostype: win10
scsi0: local-lvm:vm-102-disk-0,discard=on,size=60G
scsihw: virtio-scsi-pci
smbios1: uuid=9c4d2ec8-dbf7-4a26-bf1f-af41d22a566c
sockets: 1
virtio1: /dev/disk/by-id/ata-ST8000VX0022-2EJ112_ZA1KGPGQ,size=7814026584K
virtio10: /dev/disk/by-id/ata-ST8000DM004-2CX188_ZR112N5S,size=7814026584K
virtio2: /dev/disk/by-id/ata-ST8000DM004-2CX188_ZR111DS1,size=7814026584K
virtio3: /dev/disk/by-id/ata-ST8000DM004-2CX188_ZCT4336X,size=7814026584K
virtio4: /dev/disk/by-id/ata-ST8000VX0022-2EJ112_ZA1KELZN,size=7814026584K
virtio5: /dev/disk/by-id/ata-ST8000DM004-2CX188_ZR10YMDP,size=7814026584K
virtio6: /dev/disk/by-id/ata-WDC_WD80EDAZ-11TA3A0_VGHGSYGG,size=7814026584K
virtio7: /dev/disk/by-id/ata-ST8000DM004-2CX188_ZR10CXMM,size=7814026584K
virtio8: /dev/disk/by-id/ata-ST8000DM004-2CX188_ZR111CXM,size=7814026584K
virtio9: /dev/disk/by-id/ata-WDC_WD80EDAZ-11TA3A0_VGH1VS6G,size=7814026584K
vmgenid: c055c493-5512-4bc3-8088-e6dc3e7cc6c4
 

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It looks very likely that the problem appeared due to formatting of disks by means that do not fully comply with exFAT standards.