Host :: OS Disk, SWAP Disk
추가 디스크 swap
..............
-drive file=/var/lib/nova/instances/xxxxxxxxxx/disk.swap,if=none,id=drive-virtio-disk1,format=qcow2,cache=none
-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,id=virtio-disk1
root@compute1:/var/lib/nova/instances/xxxxxxxxxx# ls -al
합계 9184
drwxr-xr-x 2 nova nova 4096 11월 17 14:21 .
drwxr-xr-x 6 nova nova 4096 11월 17 14:21 ..
-rw-rw---- 1 libvirt-qemu kvm 1 11월 17 14:21 console.log
-rw-r--r-- 1 libvirt-qemu kvm 9240576 11월 17 14:29 disk
-rw-r--r-- 1 nova nova 162 11월 17 14:21 disk.info
-rw-r--r-- 1 libvirt-qemu kvm 197120 11월 17 14:21 disk.swap
-rw-r--r-- 1 nova nova 2790 11월 17 14:21 libvirt.xml
# qemu-img info disk.info
image: disk.info :: OS 디스크
file format: raw
virtual size: 512 (512 bytes)
disk size: 4.0K
# qemu-img info disk.swap
image: disk.swap :: swap 디스크
file format: qcow2
virtual size: 1.0G (1073741824 bytes)
disk size: 196K
cluster_size: 65536
backing file: /var/lib/nova/instances/_base/swap_1024
Format specific information:
compat: 1.1
lazy refcounts: false
refcount bits: 16
corrupt: false
# qemu-img info swap_1024
image: swap_1024
file format: raw
virtual size: 1.0G (1073741824 bytes)
disk size: 4.0K
VM
# free -m
total used free shared buffers cached
Mem: 1877 103 1773 0 8 38
-/+ buffers/cache: 56 1820
Swap: 0 0 0
# fdisk -l
Disk /dev/vda: 26.8 GB, 26843545600 bytes
255 heads, 63 sectors/track, 3263 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0004d6c5
Device Boot Start End Blocks Id System
/dev/vda1 * 1 3264 26213376 83 Linux
Disk /dev/vdb: 1073 MB, 1073741824 bytes
16 heads, 63 sectors/track, 2080 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Host :: OS Disk, Ephemeral Disk ,SWAP Disk
Ephemeral Disk - Cinder 형태로 추가디스크를 붙인게 아닌 로컬디스크를 drive, device 추가방식
..............
-drive file=/var/lib/nova/instances/xxxxxxxxxx/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none
-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
-drive file=/var/lib/nova/instances/xxxxxxxxxx/disk.eph0,if=none,id=drive-virtio-disk1,format=qcow2,cache=none
-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,id=virtio-disk1
-drive file=/var/lib/nova/instances/xxxxxxxxxx/disk.swap,if=none,id=drive-virtio-disk2,format=qcow2,cache=none
-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk2,id=virtio-disk2
root@compute10:/var/lib/nova/instances/xxxxxxxxxx# ls -al
합계 9380
drwxr-xr-x 2 nova nova 4096 11월 17 14:45 .
drwxr-xr-x 7 nova nova 4096 11월 17 14:45 ..
-rw-rw---- 1 libvirt-qemu kvm 1 11월 17 14:45 console.log
-rw-r--r-- 1 libvirt-qemu kvm 9240576 11월 17 14:54 disk
-rw-r--r-- 1 libvirt-qemu kvm 197120 11월 17 14:45 disk.eph0
-rw-r--r-- 1 nova nova 245 11월 17 14:45 disk.info
-rw-r--r-- 1 libvirt-qemu kvm 197120 11월 17 14:45 disk.swap
-rw-r--r-- 1 nova nova 3027 11월 17 14:45 libvirt.xml
# qemu-img info disk.eph0
image: disk.eph0
file format: qcow2
virtual size: 10G (10737418240 bytes)
disk size: 196K
cluster_size: 65536
backing file: /var/lib/nova/instances/_base/ephemeral_10_0706d66
Format specific information:
compat: 1.1
lazy refcounts: false
refcount bits: 16
corrupt: false
# qemu-img info /var/lib/nova/instances/_base/ephemeral_10_0706d66
image: /var/lib/nova/instances/_base/ephemeral_10_0706d66
file format: raw
virtual size: 10G (10737418240 bytes)
disk size: 10M
VM
# fdisk -l
Disk /dev/vda: 26.8 GB, 26843545600 bytes
255 heads, 63 sectors/track, 3263 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0004d6c5
Device Boot Start End Blocks Id System
/dev/vda1 * 1 3264 26213376 83 Linux
Disk /dev/vdb: 10.7 GB, 10737418240 bytes
16 heads, 63 sectors/track, 20805 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
Disk /dev/vdc: 1073 MB, 1073741824 bytes
16 heads, 63 sectors/track, 2080 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
