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How Would You Install LVM CentOS 7 In A Contabo VPS Environment?
Hifihedgehog
Member
Hello! I currently use a Contabo M SSD VPS and I am looking to get CentOS 7 installed with LVM for the system partition. However, there is not a direct route to do this since Contabo's OS images are all non-LVM. One path I see around this is using their SystemRecovery image and manually STP'ing over the CentOS ISO and... besides installing the OS like so, getting there is where my expertise in doing something like this ends. I ask this because I would like to do daily "hot" snapshots to the cloud in the event that my system unexpectedly gave up the ghost. As it is, given that I am on a non-LVM install of CentOS, I am currently forced to do Duplicacy incremental backups of a selection of folders (/etc, /home, /opt, /root, /srv, /usr, /var) as well as separate daily backups of my WordPress and Discourse sites, all of which are pushed daily (or more) to the cloud. Though I have documentation completely written out with all the steps I would need to follow to rebuild my VPS, a full from-the-ground-up recovery is a lot more laborious than having to simply restore a snapshot. Before going officially live, I did a from-the-ground-up recovery twice as a sort of self-inflicted fire drill to ensure it would work out but I would much rather have a system snapshot solution in place. Thoughts and advice?
Note: I have crossposted this help request on Reddit here and here.
Comments
@contabo_m
This is something I found so far but it is not using an ISO and at first blush, it looks a tad tricky.
https://gist.github.com/aspann/431805ad3cc56ef325543eb13e1bc9ae
Bingo! I think I've found it!
https://gist.github.com/AndersonIncorp/28aabd6be1a43199ee1bd27d1bcfd654
@Hifihedgehog you can also contact our support staff with such requests and our tech team will look at it. Although we cannot promise to always come up with a solution
No way of booting an centos ISO?
In theory, it should work, but I couldn't get it to work. It kept going into emergency mode instead of proceeding with the install. Having installed CentOS before from a non-VPS context, this leads me to believe there is some sort of incompatibility in the stock editions of CentOS with Contabo's VPS platform. That or I am making a mistake somewhere along the way. For now, I will just settle on my non-LVM solution. A restore will be a piece of work but Duplicacy works fine for grabbing my data so I can't at all complain.
If you're looking for snapshots, have you considered using ZFS or BTRFS instead?