How to increase disk space on a virtual Linux server hosted on VSphere ?
Today we will see an interesting article to understand how to increase disk space on a Virtual Linux server which is hosted on vSphere.
Lets have a look step by step.
1. Check out the available PVs on the server.
[root@ngelinux01 ~]# pvscan PV /dev/sdg VG ngevolgroup lvm2 [<1.20 TiB / 28.98 GiB free] PV /dev/sda2 VG rootvg lvm2 [<39.47 GiB / 4.34 GiB free] Total: 2 [1.23 TiB] / in use: 2 [1.23 TiB] / in no VG: 0 [0 ] [root@ngelinux01 ~]# pvs PV VG Fmt Attr PSize PFree /dev/sda2 rootvg lvm2 a-- <39.47g 4.34g /dev/sdg ngevolgroup lvm2 a-- <1.20t 28.98g
2. Ask Storage team to increase the space on specific LUN id as visible in “multipath -ll” command.
3. Rescan the paths on the server.
[root@ngelinux01 ~]# rescan-scsi-bus.sh
which: no multipath in (/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/VRTS/bin)
Scanning SCSI subsystem for new devices
Scanning host 0 for SCSI target IDs 0 1 2 3 4 5 6 7, all LUNs
Scanning for device 0 0 0 0 ...
OLD: Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: VMware Model: Virtual disk Rev: 2.0
Type: Direct-Access ANSI SCSI revision: 06
Scanning for device 0 0 1 0 ...
OLD: Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning for device 0 0 2 0 ...
OLD: Host: scsi0 Channel: 00 Id: 02 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning for device 0 0 3 0 ...
OLD: Host: scsi0 Channel: 00 Id: 03 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning for device 0 0 4 0 ...
OLD: Host: scsi0 Channel: 00 Id: 04 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning for device 0 0 5 0 ...
OLD: Host: scsi0 Channel: 00 Id: 05 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning for device 0 0 6 0 ...
OLD: Host: scsi0 Channel: 00 Id: 06 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning host 1 for SCSI target IDs 0 1 2 3 4 5 6 7, all LUNs
Scanning for device 1 0 1 0 ...
OLD: Host: scsi1 Channel: 00 Id: 01 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning for device 1 0 2 0 ...
OLD: Host: scsi1 Channel: 00 Id: 02 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning for device 1 0 3 0 ...
OLD: Host: scsi1 Channel: 00 Id: 03 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning for device 1 0 4 0 ...
OLD: Host: scsi1 Channel: 00 Id: 04 Lun: 00
Vendor: 3PARdata Model: VV Rev: 3313
Type: Direct-Access ANSI SCSI revision: 06
Scanning host 2 for SCSI target IDs 0 1 2 3 4 5 6 7, all LUNs
Scanning host 3 for SCSI target IDs 0 1 2 3 4 5 6 7, all LUNs
Scanning for device 3 0 0 0 ...
OLD: Host: scsi3 Channel: 00 Id: 00 Lun: 00
Vendor: NECVMWar Model: VMware IDE CDR10 Rev: 1.00
Type: CD-ROM ANSI SCSI revision: 05
0 new or changed device(s) found.
0 remapped or resized device(s) found.
0 device(s) removed.
[root@ngelinux01 ~]#
4. Now resize the disk on which we have asked to increase the LUN size.
[root@ngelinux01 ~]# pvs PV VG Fmt Attr PSize PFree /dev/sda2 rootvg lvm2 a-- <39.47g 4.34g /dev/sdg ngevolgroup lvm2 a-- <1.20t 28.98g [root@ngelinux01 ~]# ### Resize the physical volume [root@ngelinux01 ~]# pvresize /dev/sdg Physical volume "/dev/sdg" changed 1 physical volume(s) resized or updated / 0 physical volume(s) not resized ### Now check the increased size. [root@ngelinux01 ~]# pvs PV VG Fmt Attr PSize PFree /dev/sda2 rootvg lvm2 a-- <39.47g 4.34g /dev/sdg ngevolgroup lvm2 a-- 1.68t 528.98g [root@ngelinux01 ~]# vgs VG #PV #LV #SN Attr VSize VFree ngevolgroup 1 1 0 wz--n- 1.68t 528.98g rootvg 1 14 0 wz--n- <39.47g 4.34g
5. Now extend the disk partition.
[root@ngelinux01 ~]# df -h /dev/mapper/ngevolgroup-ngevolgroup Filesystem Size Used Avail Use% Mounted on /dev/mapper/ngevolgroup-ngevolgroup 1.2T 1.2T 0 100% /NGEL_production [root@ngelinux01 ~]# vgs VG #PV #LV #SN Attr VSize VFree ngevolgroup 1 1 0 wz--n- 1.68t 528.98g rootvg 1 14 0 wz--n- <39.47g 4.34g [root@ngelinux01 ~]# lvextend -r -L +500G /dev/mapper/ngevolgroup-ngevolgroup Size of logical volume ngevolgroup/ngevolgroup changed from <1.17 TiB (305920 extents) to <1.66 TiB (433920 extents). Logical volume ngevolgroup/ngevolgroup successfully resized. resize2fs 1.42.9 (28-Dec-2013) Filesystem at /dev/mapper/ngevolgroup-ngevolgroup is mounted on /NGEL_production; on-line resizing required old_desc_blocks = 150, new_desc_blocks = 212 The filesystem on /dev/mapper/ngevolgroup-ngevolgroup is now 444334080 blocks long. [root@ngelinux01 ~]# df -h /dev/mapper/ngevolgroup-ngevolgroup Filesystem Size Used Avail Use% Mounted on /dev/mapper/ngevolgroup-ngevolgroup 1.7T 1.2T 413G 75% /NGEL_production
As we can see above, finally we have increased the partition by 500GB for a disk hosted on Vsphere virtual server.