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Randy Bush 2020-07-04 14:37:56 -07:00
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pages/AddDiskDrive.md
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pages/AddDiskDrive.md
# Creating an Nth disk drive for a VM
```
fallocate -l 500G /store/images/ran.psg.com.sdb
ls -lh /store/images/ran.psg.com.sdb
chown libvirt-qemu:mlocate /store/images/ran.psg.com.sdb
l -lh /store/images/ran.psg.com.sdb
chmod 600 /store/images/ran.psg.com.sdb
```
Create an xml file describing the disk
```
cat > ran.sdb.xml
<disk type='file' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source file='/store/images/ran.psg.com.sdb'/>
<target dev='vda'/>
</disk>
```
Attach the new store to the VM
```
virsh attach-device ran.psg.com ran.sdb.xml
```
You will have to reboot the VM to see the device.
Then you can
```
mkfs.ext4 /dev/vda
```
Edit /etc/fstab and mount the new volumey