[pve-devel] backup : adding a storage option like "max concurrent backup" ?

Alexandre DERUMIER aderumier at odiso.com
Thu Nov 26 11:51:26 CET 2015


>> My idea was to add some kind of job queue for the backup storage 
> You could use the pmxcfs locking feature (instead of local lock)... 
> 
> That way only one task can be started cluster wide. 

>>The cfs_lock_domain method could be helpful here: 

Sound great! I'll try to look at this. 

----- Mail original -----
De: "Thomas Lamprecht" <t.lamprecht at proxmox.com>
À: "pve-devel" <pve-devel at pve.proxmox.com>
Envoyé: Jeudi 26 Novembre 2015 09:42:12
Objet: Re: [pve-devel] backup : adding a storage option like "max concurrent backup" ?

On 11/26/2015 09:04 AM, Dietmar Maurer wrote: 
>> My idea was to add some kind of job queue for the backup storage 
> You could use the pmxcfs locking feature (instead of local lock)... 
> 
> That way only one task can be started cluster wide. 

The cfs_lock_domain method could be helpful here: 

> add function to lock a domain 
> 
> This can be used to execute code on an 'action domain' basis. 
> E.g.: if there are actions that cannot be run simultaneously even if 
> they, for example, don't access a common file and maybe also spread 
> across different packages we can now secure the consistence of said 
> actions on an 'action domain' basis. 



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