Add extents to Datastore2024/01/15 |
Add extents to existing VMFS datastore.
On this example, it attaches a new local disk to ESXi computer and add it to existing VMFS datastore.
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[1] | To configure on shell access, set like follows. |
[root@ctrl:~] /usr/lib/vmware/misc/bin/fdisk -l
Found valid GPT with protective MBR; using GPT
Disk /dev/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00005_____________: 335544320 sectors, 0
Logical sector size: 512
Disk identifier (GUID): c6728d5b-b9c9-4bb2-bc46-b2c927d34dce
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 335544286
Number Start (sector) End (sector) Size Name
1 2048 335542272 159G
Disk /dev/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00007_____________: 160 GB, 171798691840 bytes, 335544320 sectors
20886 cylinders, 255 heads, 63 sectors/track
Units: sectors of 1 * 512 = 512 bytes
Disk /dev/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00007_____________ doesn't contain a valid partition table
Found valid GPT with protective MBR; using GPT
# ↑ new disk
Disk /dev/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00001_____________: 167772160 sectors, 0
Logical sector size: 512
Disk identifier (GUID): 1b312cd7-882f-4a40-86a9-48e7cc59ca13
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 167772126
Number Start (sector) End (sector) Size Name
1 64 204863 100M BOOT
5 208896 8595455 4095M BOOTBANK1
6 8597504 16984063 4095M BOOTBANK2
7 16986112 167772126 71.9G OSDATA
Found valid GPT with protective MBR; using GPT
Disk /dev/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00003_____________: 335544320 sectors, 0
Logical sector size: 512
Disk identifier (GUID): 14fe1482-4083-41a6-8d41-187a7e6694bc
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 335544286
Number Start (sector) End (sector) Size Name
1 2048 335542272 159G
[root@ctrl:~] esxcli storage core device capacity list Device Physical Blocksize Logical Blocksize Logical Block Count Size Format Type ------------------------------------------------------------------------ ------------------ ----------------- ------------------- ---------- ----------- t10.ATA_____QEMU_HARDDISK___________________________QM00007_____________ 512 512 335544320 163840 MiB 512n t10.ATA_____QEMU_HARDDISK___________________________QM00001_____________ 512 512 167772160 81920 MiB 512n t10.ATA_____QEMU_HARDDISK___________________________QM00003_____________ 512 512 335544320 163840 MiB 512n t10.ATA_____QEMU_HARDDISK___________________________QM00005_____________ 512 512 335544320 163840 MiB 512n
[root@ctrl:~]
partedUtil get "/vmfs/devices/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00007_____________" 20886 255 63 335544320 # create GPT partition table on the new disk # partedUtil setptbl [device] gpt ["(partiton num) (start sector) (end sector) (type) (attribute)"] # start sector ⇒ specify 2048 on VMFS-6 # type ⇒ specify VMFS Datastore → AA31E02A400F11DB9590000C2911D1B8 # VMFS : Virtual Machine File System
[root@ctrl:~] partedUtil setptbl \
"/vmfs/devices/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00007_____________" gpt \
"1 2048 $(expr 335544320 - 2048) AA31E02A400F11DB9590000C2911D1B8 0"
gpt
0 0 0 0
1 2048 335542272 AA31E02A400F11DB9590000C2911D1B8 0
[root@ctrl:~] partedUtil get "/vmfs/devices/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00007_____________" 20886 255 63 335544320 1 2048 335542272 0 0[root@ctrl:~] esxcli storage vmfs extent list Volume Name VMFS UUID Extent Number Device Name Partition ------------------------------------------ ----------------------------------- ------------- ------------------------------------------------------------------------ --------- VM-Data 65a4d8f4-5bbdd866-c7e6-5254003acc4c 0 t10.ATA_____QEMU_HARDDISK___________________________QM00003_____________ 1 ISO-DATA 65a4da79-81043fb4-8353-5254003acc4c 0 t10.ATA_____QEMU_HARDDISK___________________________QM00005_____________ 1 OSDATA-658296fd-86bd1530-6a78-5254003acc4c 658296fd-86bd1530-6a78-5254003acc4c 0 t10.ATA_____QEMU_HARDDISK___________________________QM00001_____________ 7 # add new partition to [VM-Data] partition # vmkfstools -Z [span-partiton] [head-partition] [root@ctrl:~] vmkfstools -Z \ /vmfs/devices/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00007_____________:1 \ /vmfs/devices/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00003_____________:1 VMware ESXi Question: All data on /vmfs/devices/disks/t10.ATA_____QEMU_HARDDISK___________________________QM00007_____________:1 will be lost. Continue and format? 0) _Yes 1) _No Select a number from 0-1: 0 Successfully spanned volume[root@ctrl:~] df -h /vmfs/volumes/VM-Data Filesystem Size Used Available Use% Mounted on VMFS-6 319.5G 1.4G 318.1G 0% /vmfs/volumes/VM-Data |
To configure on VMware Host Client, set like follows.
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[2] | Login to VMware Host Client with root user account and click [Storage] icon that is under [Navigator] menu. |
[3] | Click [New datastore] button. |
[4] | Select [Add an extent to existing VMFS datastore]. |
[5] | Select datastore you like to extend. |
[6] | Available devices are listed, select a device to add to datastore. |
[7] | Specify disk space you like to assign to Datastore and also select VMFS version. |
[8] | If that's OK, click [Finish] button to create Datastore. |
[9] | The warnings is shown that existing data in the new disk are erased with this operation. If no ploblem, Answer [Yes]. |
[10] | After Datastore successfully extended, it is listed with new capacity. |
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