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Warning |
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It is always advisable to make a backup of the target VM first, ensuring you can recover your original VM should things go wrong ! |
Introduction
Generally you should only be needing to resize the partiton at the /data mountpoint on an NMIS VM as this partition contains the following directories:
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Install growpart:
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# centos|rhel sudo yum update sudo yum install -y cloud-utils-growpart # debian|ubuntu sudo apt update sudo apt install -y cloud-guest-utils |
Grow the partition at the /data mountpoint, which we now know from the df -h commands above is /dev/sdb1:
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Since disk 1 (/dev/sda) has more than 1 partition, GParted is probably a useful tool for this task:
https://gparted.org/display-doc.php%3Fname%3Dmoving-space-between-partitions
NMIS VMs' using Logical
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Volume Manager (LVM)
The resizing procedure is quite simple, for size increases at least. The two required steps are:
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cat /proc/scsi/scsi ... Host: scsi2 Channel: 00 Id: 01 Lun: # the '2' indicates /dev/sdc is the device file # this marks the whole disk as physical volume pvcreate /dev/sdc # this adddsadds the pv to the volume group vgextend vg_nmis64_data /dev/sdc |
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