[PVE-User] Proxmox and IBM StorWize V3700

Yannis Milios yannis.milios at gmail.com
Sun Jul 20 16:48:04 CEST 2014


As long as it supports only iscsi and not nfs then snapshots through
proxmox I think would not be possible.
If it had NFS support then you could live snapshot by using qcow2 format
vms.
On Jul 20, 2014 5:37 PM, "Gilberto Nunes" <gilberto.nunes32 at gmail.com>
wrote:

> Thanks for all answers, but I meant make snapshot through Proxmox Web
> Interface...
>
>
>
>
> 2014-07-20 10:53 GMT-03:00 THe_ZiPMaN <flavio-pve at zipman.it>:
>
>> On 07/20/2014 01:32 AM, Gilberto Nunes wrote:
>> > Hi
>> >
>> > I'm about to install Proxmox lastest version in a customer and this
>> > customer has a IBM Storwize V3700...
>> >
>> > So I am collecting some data about this storage... Mainly if it has
>> > hability to make snapshots on ISCSI protocol...
>> >
>> > Somebody knows something about it??
>>
>> It can make flash copies which are snapshots or clones of LUNS. Using
>> them is really simple and you can join multiple flash copies into
>> consistency groups, which is really helpful if you want to keep parts of
>> the same application on multiple LUNS. Putting all them in the same
>> consistency group allows to keep a synchronous snapshot of all the luns
>> at the same time, giving you sure application consistency (I think this
>> is the most important missing feature of LVM).
>>
>> Then you can map the snapshot targets to the backup server and make
>> backup from them.
>>
>> The only problem is how to take the snapshots... you can schedule them
>> on the Storewize software, but if you need to take them in a software
>> controlled manner then you have to buy FlashCopy Manager (a bit
>> expensive) or prepare scripts and launch them via ssh (not too difficult
>> but prone to errors if you don't know exactly how to deal with SVC
>> internals and CLI).
>>
>> See this video for a presentation.
>> http://www.youtube.com/watch?v=MXWgGWjBzG4
>> It's for the V7000 but it applies seamlessy to V3700 for this specific
>> feature.
>>
>>
>> --
>> Flavio Visentin
>>
>> A computer is like an air conditioner,
>> it stops working when you open Windows
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>>
>
>
>
> --
> Gilberto Ferreira
>
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