Question
New droplet from an existing snapshot misses a network interface (Centos 6 x64)
- Posted on February 22, 2013
Asked by site.digitalocean
Re,
I did a snapshot of my system, then created a new droplet using the snapshot and ended up without eth0. Running CentOS 6 x64.
Could be completely unrelated, but there’s a SUSE customer with a missing network interface as well: http://digitalocean.uservoice.com/forums/136585-digital-ocean/suggestions/3639542-put-a-priority-on-fixing-your-32-bit-suse-image
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The OpenSUSE image does have a few issues and that’s why we’ve taken it down for maintenance. Some of the smaller less supported distros need a few updates however CentOS and Ubuntu are the most popular and should be pretty rock solid. <br> <br>The issue that you ran into is very surprising and if you open a ticket about it we can move it to engineering and dive deeper into it to see if the problem recurs.
Thanks. Up until yesterday I have also not experienced any problems, having created and restored numerous snapshots of Centos 6. This is the first time (and, as luck would have it, a snapshot of the most configured and complete system) that the network configuration wasn’t properly restored. <br> <br>For those who happen to come across this issue, follows are some basic steps to configure networking: <br> <br>1) run “ifconfig -a” <br>1a) take note of the available “eth” interface and of its HWaddr (MAC) address <br>2) go to “/etc/sysconfig/network-scripts” and check for “ifcfg-ethX” (where X is the interface number from 0 to n) script. <br>2a) it exists but the number does not match the “eth” interface that you got from step 1a), then rename it to “ifcfg-eth[proper interface number]”, edit the file and replace the information inside (DEVICE, HWADDR, IPADDR, NETMASK and GATEWAY fields". <br>2a) if it doesn’t exist, then create it with the following content: <br> <br>DEVICE=“eth[proper interface number]” <br>HWADDR=XX:XX:XX:XX:XX:XX <br>IPADDR=192.XX.XX.XX <br>BOOTPROTO=none <br>ONBOOT=“yes” <br>DNS1=8.8.8.8 <br>NETMASK=255.255.255.0 <br>GATEWAY=192.XX.XX.XX <br>PREFIX=24 <br>TYPE=Ethernet <br>NM_CONTROLLED=“yes” <br> <br>3) reboot and profit.
I would get in touch with DO’s support department directly. I’ve not had any issues with snapshots or backups missing configurations, so it could simply be a blip in the system, or it could be a more widespread failure during the restoration. Either way, they should be able to help you directly via ticket,