pve下，105號群暉虛擬機器，btrfs系統，sata硬碟。
虛擬機器容量硬碟130G，擴充套件至140G，還需要命令列和網頁儲存管理器介面操作，以實現擴容的目的。
df -h
Filesystem Size Used Avail Use% Mounted on
/dev/md0 7.9G 1.8G 6.0G 23% /
devtmpfs 954M 0 954M 0% /dev
tmpfs 986M 80K 986M 1% /dev/shm
tmpfs 986M 23M 964M 3% /run
tmpfs 986M 0 986M 0% /sys/fs/cgroup
tmpfs 986M 660K 985M 1% /tmp
/dev/mapper/cachedev_0 115G 98G 18G 86% /volume1
使用 qm resize 105 sata1 +10G 命令或者在web介面手動擴充套件磁碟空間，增加磁碟空間大小。
parted /dev/sata1 print
Model: QEMU HARDDISK (scsi)
Disk /dev/sata1: 150GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
1 4194kB 8594MB 8590MB primary raid
2 8594MB 10.7GB 2147MB primary raid
3 10.9GB 140GB 129GB extended lba
5 10.9GB 140GB 129GB logical raid
parted /dev/sata1 resizepart 3 100%
Information: You may need to update /etc/fstab.
parted /dev/sata1 resizepart 5 100%
登入網站介面上儲存管理器下手動擴容，
最後檢視
fdisk -l
Disk /dev/ram0: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram1: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram2: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram3: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram4: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram5: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram6: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram7: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram8: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram9: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram10: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram11: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram12: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram13: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram14: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram15: 640 MiB, 671088640 bytes, 1310720 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/sata1: 140 GiB, 150323855360 bytes, 293601280 sectors
Disk model: HARDDISK
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x215332f1
Device Boot Start End Sectors Size Id Type
/dev/sata1p1 8192 16785407 16777216 8G fd Linux raid autodetect
/dev/sata1p2 16785408 20979711 4194304 2G fd Linux raid autodetect
/dev/sata1p3 21241856 293601279 272359424 129.9G f W95 Ext'd (LBA)
/dev/sata1p5 21257952 293601279 272343328 129.9G fd Linux raid autodetect
Disk /dev/synoboot: 1 GiB, 1073741824 bytes, 2097152 sectors
Disk model: HARDDISK
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xf110ee87
Device Boot Start End Sectors Size Id Type
/dev/synoboot1 * 2048 104447 102400 50M b W95 FAT32
/dev/synoboot2 104448 206847 102400 50M 83 Linux
/dev/synoboot3 206848 2097151 1890304 923M 83 Linux
Disk /dev/md0: 8 GiB, 8589869056 bytes, 16777088 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/zram0: 296 MiB, 310378496 bytes, 75776 sectors
Units: sectors of 1 * 4096 = 4096 bytes
Sector size (logical/physical): 4096 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/zram1: 296 MiB, 310378496 bytes, 75776 sectors
Units: sectors of 1 * 4096 = 4096 bytes
Sector size (logical/physical): 4096 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/zram2: 296 MiB, 310378496 bytes, 75776 sectors
Units: sectors of 1 * 4096 = 4096 bytes
Sector size (logical/physical): 4096 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/zram3: 296 MiB, 310378496 bytes, 75776 sectors
Units: sectors of 1 * 4096 = 4096 bytes
Sector size (logical/physical): 4096 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/md1: 2 GiB, 2147418112 bytes, 4194176 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/md2: 129.9 GiB, 139438718976 bytes, 272341248 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/vg1-syno_vg_reserved_area: 12 MiB, 12582912 bytes, 24576 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/vg1-volume_1: 129 GiB, 138512695296 bytes, 270532608 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/mapper/cachedev_0: 129 GiB, 138512695296 bytes, 270532608 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
可能注意到fdisk -l 與 parted /dev/sata1 print 顯示的最大容量不一致。