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scripts's Issues

vol_resize.sh - not resizing the SD devices for qemu/KVM

After increasing a qemu disk, the script is not asking the SCSI subsytem to resize it.

[root@localhost ~]# virsh blockresize mytestvm vda 51G
Block device 'vda' is resized


mvutcovi@mytestvm:~$ sudo bash vol_resize.sh --block-device /dev/vda1
sfdisk -d /dev/vda > dev_vda-partition-table-$(date +%F_%H%M%S).txt   # Backup MS-DOS partition table for /dev/vda block device.
parted -s /dev/vda resizepart 1   # Resize MS-DOS partition /dev/vda1
# Update kernel with new partition table from disk
partx -u /dev/vda
partprobe /dev/vda
blockdev --rereadpt /dev/vda
kpartx -u /dev/vda
resize2fs /dev/vda1    # Resize ext3 or ext4 filesystem
mvutcovi@mytestvm:~$

vol_resize.sh - fails to resize mmcblk block devices

When resizing a SD card, the script fails with the following trace:

2023-08-16 03:23:14 DEBUG: Debug enabled from command line.
2023-08-16 03:23:15 DEBUG: Expanding /dev/mmcblk0 --> /dev/mmcblk0. Command: "dmsetup deps /dev/mmcblk0" returns "Device mmcblk0 not found
Command failed."
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" aka "/dev/mmcblk0" device is a MD device and resize it.
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" is a MS-DOS or UEFI GPT partition.
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" aka "/dev/mmcblk0" device is a SCSI device and rescan it.
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" aka "/dev/mmcblk0" device is a NVME device and rescan it.
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" aka "/dev/mmcblk0" device is a Virtio block device.
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" aka "/dev/mmcblk0" device is DM multipath.
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" aka "/dev/mmcblk0" device is DM crypt.
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" aka "/dev/mmcblk0" device is LVM2 logical volume.
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" aka "/dev/mmcblk0" device is a loop volume.
2023-08-16 03:23:15 DEBUG: Check if "/dev/mmcblk0" aka "/dev/mmcblk0" is a file.
2023-08-16 03:23:15 FATAL: The type of the "/dev/mmcblk0" device could not be determined. Stack trace:
        ./vol_resize.sh:45      log
        ./vol_resize.sh:50      die
        ./vol_resize.sh:253     expand_block_device
        ./vol_resize.sh:519     main

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