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第 13 章 卷
13.1. 创建卷
本节演示了如何在基于块的存储池中创建磁盘卷。在以下示例中，virsh vol-create-as 命令在 guest_images_disk 存储池中创建一个具有特定大小的存储卷。因为这个命令会根据卷重复，因此会创建三个卷，如示例所示。
# virsh vol-create-as guest_images_disk volume1 8G
Vol volume1 created
# virsh vol-create-as guest_images_disk volume2 8G
Vol volume2 created
# virsh vol-create-as guest_images_disk volume3 8G
Vol volume3 created
# virsh vol-list guest_images_disk
Name Path
-----------------------------------------
volume1 /dev/sdb1
volume2 /dev/sdb2
volume3 /dev/sdb3
# parted -s /dev/sdb print
Model: ATA ST3500418AS (scsi)
Disk /dev/sdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start End Size File system Name Flags
2 17.4kB 8590MB 8590MB primary
3 8590MB 17.2GB 8590MB primary
1 21.5GB 30.1GB 8590MB primary
