対象 VM の確認。Confirm target VM information
(VM が所属しているユーザ次第で情報が異なるので注意)
$ VBoxManage list vms
"vmname" {368f9ecf-e555-4bea-bac7-08c8fa288748}
$ VBoxManage showvminfo vmname
Name: vmname
Groups: /
Guest OS: Ubuntu (64-bit)
UUID: 368f9ecf-e555-4bea-bac7-08c8fa288748
Config file: /export/home/aaa/VirtualBox VMs/vmname/vmname.vbox
Snapshot folder: /export/home/aaa/VirtualBox VMs/vmname/Snapshots
Log folder: /export/home/aaa/VirtualBox VMs/vmname/Logs
Hardware UUID: 368f9ecf-e555-4bea-bac7-08c8fa288748
...
ディスクイメージの作成。Create a disk image
$ VBoxManage createmedium disk --filename VirtualBox\ VMs/vmname/splunk_data.vdi --size 1024000 --format VDI --variant Fixed
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
Medium created. UUID: 8348d1a3-9b5e-47d8-aaae-31afbefdcb73
$ ls -l VirtualBox\ VMs/vmname/splunk_data.vdi
-rw------- 1 aaa staff 536874057728 9月 20日 17:24 VirtualBox VMs/vmname/splunk_data.vdi
$ VBoxManage list hdds
(snip)
UUID: 58ddec39-f3ca-4ef2-adf3-204ce3408c21
Parent UUID: base
State: created
Type: normal (base)
Location: /export/home/aaa/VirtualBox VMs/vmname/splunk_data.vdi
Storage format: VDI
Capacity: 1024000 MBytes
Encryption: disabled
VM を止めてディスクをアタッチ。 VM 再起動 (今回はヘッドレスモード)。
$ VBoxManage controlvm vmname poweroff
$ VBoxManage storageattach vmname --storagectl SATA --port 1 --type hdd --medium 58ddec39-f3ca-4ef2-adf3-204ce3408c21
$ VBoxManage startvm vmname --headless
ゲスト VM でのマウント。Mount a disk on the VM
ゲスト VM 側にログインして、マウントを確認。
$ dmesg | grep sdb
[ 2.457817] sd 3:0:0:0: [sdb] 2097152000 512-byte logical blocks: (1.07 TB/1000 GiB)
[ 2.458478] sd 3:0:0:0: [sdb] Write Protect is off
[ 2.458886] sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[ 2.459478] sd 3:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 2.461131] sd 3:0:0:0: [sdb] Attached SCSI disk
LVM 用にフォーマット。Format a disk for LVM
$ sudo fdisk /dev/sdb
n (new) -> 1 (partition) -> p (primary) -> (default size)
t (type) -> 1 (partition) -> 8e (Linux LVM)
p (print)
Disk /dev/sdb: 1000 GiB, 1073741824000 bytes, 2097152000 sectors
Geometry: 255 heads, 63 sectors/track, 130541 cylinders
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: 0x95139aee
デバイス 起動 Start 最後から セクタ Size Id タイプ
/dev/sdb1 63 2097151999 2097151937 1000G 8e Linux LVM
w (write)
物理ボリュームの作成。Create a physical volume
$ sudo pvcreate /dev/sdb1
Physical volume "/dev/sdb1" successfully created
$ sudo pvscan
PV /dev/sda5 VG vmname-vg lvm2 [49.52 GiB / 0 free]
PV /dev/sdb1 lvm2 [1000.00 GiB]
Total: 2 [1.02 TiB] / in use: 1 [49.52 GiB] / in no VG: 1 [1000.00 GiB]
ボリュームグループの作成。Create a volume group
$ sudo vgcreate splunkdata /dev/sdb1
Volume group "splunkdata" successfully created
$ sudo vgscan
Reading all physical volumes. This may take a while...
Found volume group "splunkdata" using metadata type lvm2
Found volume group "vmname-vg" using metadata type lvm2
論理ボリュームの作成。Create a logical volume
$ sudo lvcreate -L 500G -n splunkvolume01 splunkdata
Logical volume "splunkvolume01" created.
$ sudo lvdisplay /dev/splunkdata/splunkvolume01
--- Logical volume ---
LV Path /dev/splunkdata/splunkvolume01
LV Name splunkvolume01
VG Name splunkdata
LV UUID 6HHLEe-nfRN-srzH-f8aD-ec0R-VMXM-XuEy2e
LV Write Access read/write
LV Creation host, time vmname, 2019-09-20 17:51:36 +0900
LV Status available
# open 0
LV Size 500.00 GiB
Current LE 128000
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:2
論理ボリュームのフォーマット。Format a logical volume
$ sudo mkfs.xfs /dev/splunkdata/splunkvolume01
meta-data=/dev/splunkdata/splunkvolume01 isize=512 agcount=4, agsize=32768000 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=0
data = bsize=4096 blocks=131072000, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal log bsize=4096 blocks=64000, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
論理ボリュームのマウント。Mount a logical volume
$ sudo mkdir /opt/splunkdata
$ sudo mount -t xfs /dev/splunkdata/splunkvolume01 /opt/splunkdata/
$ df /opt/splunkdata/
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/splunkdata-splunkvolume01 524032000 555200 523476800 1% /opt/splunkdata
永続化させるなら /etc/fstab へマウント情報を書き込み。
UUID を調べるには blkid で。
$ sudo blkid /dev/splunkdata/splunkvolume01
/dev/splunkdata/splunkvolume01: UUID="a8bba265-72b2-468c-b54d-9fb0ec92e02b" TYPE="xfs"