# cinder list +--------------------------------------+-----------+-----------+------+-------------+----------+--------------------------------------+
| ID | Status | Name | Size | Volume Type | Bootable | Attached to |
+--------------------------------------+-----------+-----------+------+-------------+----------+--------------------------------------+
| eabfeedf-0942-4217-b51a-7bb0f199424e | in-use | Volume_01 | 30 | ceph | false | 7b11a435-aaae-42d7-ba4d-179d91a32dc5 |
| ef656b49-9919-428f-a981-33487127520d | in-use | Volume_02 | 30 | ceph | false | 57b401d2-a7d2-4fd8-80df-0003b026b5ec |
+--------------------------------------+-----------+-----------+------+-------------+----------+--------------------------------------+
# cinder extend eabfeedf-0942-4217-b51a-7bb0f199424e 20
ERROR: Invalid volume: Volume eabfeedf-0942-4217-b51a-7bb0f199424e status must be available to extend, but current status is: in-use. (HTTP 400) (Request-ID: req-c72e9318-6f3f-4cf9-8eed-ded737b871aa)
:: Volume 상태가 in-use 일때 작업을 위햬 detach
# nova volume-detach 7b11a435-aaae-42d7-ba4d-179d91a32dc5 eabfeedf-0942-4217-b51a-7bb0f199424e
:: 확장
확장시 Volume Size 명시는 추가분이 아닌.... ${기존 Size 30G} + ${추가 Volume Size}
즉 여기서는 전체크기 50G (30 + 20(추가볼륨))
# cinder extend eabfeedf-0942-4217-b51a-7bb0f199424e 20
ERROR: Invalid input received: New size for extend must be greater than current size. (current: 30, extended: 20). (HTTP 400) (Request-ID: req-d314465e-63c0-4ca0-b0ff-1c73e2487fbd)
# cinder extend eabfeedf-0942-4217-b51a-7bb0f199424e 50
# cinder list
+--------------------------------------+-----------+-----------+------+-------------+----------+--------------------------------------+
| ID | Status | Name | Size | Volume Type | Bootable | Attached to |
+--------------------------------------+-----------+-----------+------+-------------+----------+--------------------------------------+
| eabfeedf-0942-4217-b51a-7bb0f199424e | available | Volume_01 | 50 | ceph | false | |
| ef656b49-9919-428f-a981-33487127520d | in-use | Volume_02 | 30 | ceph | false | 57b401d2-a7d2-4fd8-80df-0003b026b5ec |
+--------------------------------------+-----------+-----------+------+-------------+----------+--------------------------------------+
# nova volume-attach 7b11a435-aaae-42d7-ba4d-179d91a32dc5 eabfeedf-0942-4217-b51a-7bb0f199424e
+----------+--------------------------------------+
| Property | Value |
+----------+--------------------------------------+
| device | /dev/vdb |
| id | eabfeedf-0942-4217-b51a-7bb0f199424e |
| serverId | 7b11a435-aaae-42d7-ba4d-179d91a32dc5 |
| volumeId | eabfeedf-0942-4217-b51a-7bb0f199424e |
+----------+--------------------------------------+
# e2fsck -f /dev/vdc1
e2fsck 1.42.9 (4-Feb-2014)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/vdc1: 19/1966080 files (0.0% non-contiguous), 2526715/7864064 blocks
# resize2fs /dev/vdc1
resize2fs 1.42.9 (4-Feb-2014)
Resizing the filesystem on /dev/vdc1 to 13106944 (4k) blocks.
The filesystem on /dev/vdc1 is now 13106944 blocks long.
# mount /dev/vdc1 /mnt
# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/vda1 5027456 3384836 1364196 72% /
none 4 0 4 0% /sys/fs/cgroup
udev 1014204 4 1014200 1% /dev
tmpfs 205004 348 204656 1% /run
none 5120 0 5120 0% /run/lock
none 1025012 0 1025012 0% /run/shm
none 102400 0 102400 0% /run/user
/dev/vdc1 51474044 9490288 39345988 20% /mnt
