any ideas how to make a proxmox equalent of vmwares site recovery

offerlam

Renowned Member
Dec 30, 2012
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hi all...

any ideas how to make something like site recovery mananger in a proxmox enviroment?

Im using synology nas for shared storage.. so maybe some rsync magic?

Thanks!

Casper
 
hi all...

any ideas how to make something like site recovery mananger in a proxmox enviroment?

Im using synology nas for shared storage.. so maybe some rsync magic?

Thanks!

Casper
Could you explain a bit more about what site recovery in VmWare does for us not familiar with VmWare?
 
Mir

site replication is a feature in vmware, a VARY expensive one, that replicate your entire Vmware infrastructor to another site... in case your main site goes down... power failure, loss of internet connectivity or struck by a meteor, your entire infrastructor fails over to the other site and manages all the little things in the process like ip addresses and such...

hope that explained it..

what im looking for is a way to make a replication site for my proxmox enviroment in case my primary site goes down...

is appears a Rsync of the vm storage was not an option... any other ideas?
 
The reasons mentioned by you (power failure, loss of internet connectivity or struck by a meteor) for doing site replication implies either an off-line replication or a two site strategy.

off-line: This is tricky because latest changes will be hard to recapture.
two site: Everything should be duplicated and changes must be synchronized on both sites. ZFS could help you here by using send/receive -> http://docs.oracle.com/cd/E18752_01/html/819-5461/gbchx.html

However, none of the above is handled automatically and will required a great deal of hand written scripts and, to some extend, manual intervention by a sysadm.
 
I just learned that with a proxmox backup file i can restore that VM on any proxmox node.. even nodes on other clusters or a single node installation...

I have a guy who says his vmware if his main site goes down turn back time 2 hours.. so they are set back two hours..

Im thinking if i somehow can have a backup running every hour to a offsite.. it shouldn't take much more than an hour to spin up the proxmox nodes there and load the backups.. but that would require some sort of incremental backup solution i would thing.. any ideas on that approach?

Thanks for answering!!

Casper
 
I just learned that with a proxmox backup file i can restore that VM on any proxmox node.. even nodes on other clusters or a single node installation...

I have a guy who says his vmware if his main site goes down turn back time 2 hours.. so they are set back two hours..

Im thinking if i somehow can have a backup running every hour to a offsite.. it shouldn't take much more than an hour to spin up the proxmox nodes there and load the backups.. but that would require some sort of incremental backup solution i would thing.. any ideas on that approach?

Thanks for answering!!

Casper

Incremental backup is not yet possible with proxmox backup.
It's possible with advanced storage (ceph,zfs,..)
 
are you looking for this by any chance? www.ayufan.eu/projects/proxmox-ve-differential-backups/

before you implement this kind of off-site backup, make sure to do a proper analysis of your situation - whether or not its actually worth it to add a considerable amount of network usage for the odd chance that your main server location explodes because imo it is much more reasonable to categorize this under force majeure. there actually is such a thing as taking safety too far
 
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are you looking for this by any chance? www.ayufan.eu/projects/proxmox-ve-differential-backups/

before you implement this kind of off-site backup, make sure to do a proper analysis of your situation - whether or not its actually worth it to add a considerable amount of network usage for the odd chance that your main server location explodes because imo it is much more reasonable to categorize this under force majeure. there actually is such a thing as taking safety too far

Hi Mo..

A friend of mine pointed me to that site and was looking for other solution aswell.. :)
I hear you on taking safety too fare and im just exploring option and waying them...

but i take it the site you link to is the only alternative out there..

Thanks

Casper
 
well its one way to do differential backups. generally if you consider this off-site location you either need frequent backups (being transferred off-site) OR a storage setup that allows for replication. Im guessing most NAS systems have a replication option - if youre using some commercial NAS box, a replication addon is probably VERY expensive. Once youve setup storage replication, the only other thing you need is the automated failover... if you even want/need that to happen automatically.

Also, I didnt say dont do it, was merely suggesting to thoroughly evaluate, whether or not you actually need to bother with it.
 
well its one way to do differential backups. generally if you consider this off-site location you either need frequent backups (being transferred off-site) OR a storage setup that allows for replication. Im guessing most NAS systems have a replication option - if youre using some commercial NAS box, a replication addon is probably VERY expensive. Once youve setup storage replication, the only other thing you need is the automated failover... if you even want/need that to happen automatically.

Also, I didnt say dont do it, was merely suggesting to thoroughly evaluate, whether or not you actually need to bother with it.

Hi Mo,

Spirit says i can't use the Rsync feature of my NAS which is what i think of when you say


Im guessing most NAS systems have a replication option - if youre using some commercial NAS box, a replication addon is probably VERY expensive

Or do you have any experince with this actually working?

Thanks

Casper
 
I do not, but I dont see a reason why this shouldnt work. Really the only thing I can think of that would be problematic is mysql instances because mysql appears to be incapable of keeping the database files on disk in a consistent state whiles its running
 
I do not, but I dont see a reason why this shouldnt work. Really the only thing I can think of that would be problematic is mysql instances because mysql appears to be incapable of keeping the database files on disk in a consistent state whiles its running

Hi Mo,

Thanks for your input and may i say my thoughts excatly.. i will have to test this in the future...

Thanks you all for your inputs..!

Casper
 

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