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Configuring the extra volume in the new instance
That extra volume is not mounted (or even formatted) by default. You must log in to your freshly created instance, and then follow the instructions below:
- You may need to trigger a rescan of the new block device, typically named vd*. We assume here the name of the extra volume is vdb:
No Format |
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sudo echo 1 > /sys/class/block/vdb/device/rescan |
or, alternatively:
No Format |
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sudo apt-get install scsitools # or yum install scitools for CentOS sudo rescan-scsi-bus.sh |
Then you will be able to see the vdb disk when you run lsblk.
Create a partition and format it. You may use parted to do all in one go:
No Format sudo parted -s -a optimal -- /dev/vdb mkpart primary ext4 0% 100%
Info You may partition the disk differently and use any other filesystem type.
Add this entry to your VM's /etc/fstab:
No Format echo "/dev/vdb1 /data1 ext4 defaults 0 0" | sudo tee -a /etc/fstab > /dev/null
If your VM uses disk IDs then use the following command to find the vdb ID and amend the line above as required:
No Format echo "UID-$(blkid /dev/vdb) /data1 ext4 defaults 0 0" | sudo tee -a /etc/fstab > /dev/null
Make the directory where you are mounting your filesystem. Make sure you use the same path as defined in fstab:
No Format sudo mkdir /data1
Mount the file system
No Format sudo mount -av
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