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faizal2007/snapshot_restore

Last active March 1, 2020 07:31
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Sample related script to manage xen with xen-tools
Raw
snapshot_restore
## Need to run manual paste command
### Create snapshot
lvcreate -L50G -s -n centos-disk-snapshot /dev/sanbox-vg/centos-disk-fresh
### Restore snapshot
lvconvert --merge /dev/sanbox-vg/centos-disk-snapshot
lvchange -an /dev/sanbox-vg/centos-disk-fresh
lvchange -ay /dev/sanbox-vg/centos-disk-fresh
Raw
xen-create-img.sh
xen-create-image --hostname=dnsserver --size=10Gb --memory=1Gb --swap=2Gb \
--lvm=sanbox-vg --ip=10.10.5.21 --netmask=255.255.255.0 --gateway=10.10.5.1 \
--arch=amd64 --install-method=debootstrap --dist=stretch --passwd
Raw
xen-mem.sh
#!/bin/bash
total_memory=$(xm info | grep total_memory | awk '{print $3}')
remaining=$(xm info | grep free_memory | awk '{print $3 - 512}')
used_memory=$((total_memory-remaining))
echo -e 'Total Memory:\t'$total_memory'MB ('$((total_memory/1024))'GB)'
echo -e 'Memory Used:\t'$used_memory'MB ('$((used_memory/1024))'GB)'
echo -e 'Remaining:\t'$remaining'MB ('$((remaining/1024))'GB)'
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