| ploop [message #45683] |
Wed, 28 March 2012 16:01  |
Mark Olliver
Messages: 11
Registered: September 2011
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Junior Member |
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Hi,
With ploop is it possible rather than using a file to use and lvm partition
as the backend storage?
Also plop is it possible for the guest to run it's own lvm layer, with kvm
currently you can assign each VE a kvm partition then as it boots up it runs
its own lvm layer where the root partition is stored.
Regards
Mark
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| Re: ploop [message #45692 is a reply to message #45688] |
Thu, 29 March 2012 09:43  |
massimiliano.sciabica
Messages: 11
Registered: March 2012
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Junior Member |
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Hi,
has anyone tryed to compress the file that simulates the VPS hard disk?
If so, what's the comressio achieved?
Thanks
On Thu, 29 Mar 2012 12:52:02 +0400, Kir Kolyshkin wrote:
> On 03/28/2012 08:01 PM, Mark Olliver wrote:
>>
>> Hi,
>>
>> With ploop is it possible rather than using a file to use and lvm
>> partition as the backend storage?
>>
>
> What for? The whole purpose of ploop is to use a file as a storage.
>
> If your question is can a CT use a dedicated LVM partition then the
> answer is yes, and it was quite possible before ploop.
>
>> Also plop is it possible for the guest to run it’s own lvm layer,
>> with kvm currently you can assign each VE a kvm partition then as it
>> boots up it runs its own lvm layer where the root partition is stored.
>>
>
> My rough guess is yes you can (and again, ploop is not about it).
>
> You can give a CT an access to physical disk or disk partition or LVM
> volume or volume group using vzctl set --devnodes and then manage it
> from the inside. But I haven't tried it, because I don't see any
> practical use for it.
>
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| Re: ploop [message #45693 is a reply to message #45692] |
Thu, 29 March 2012 09:59 |
Kirill Korotaev
Messages: 137
Registered: January 2006
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Senior Member |
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It depends on what content is put inside. If VPS has lot's of images/video files - near 0% compression is possible.
If lots of text or programs - about 50% can be achieved.
Reality is somewhere in the middle typically.
On Mar 29, 2012, at 13:43 , <massimiliano.sciabica@kiiama.com> <massimiliano.sciabica@kiiama.com> wrote:
> Hi,
> has anyone tryed to compress the file that simulates the VPS hard disk?
> If so, what's the comressio achieved?
> Thanks
>
>
> On Thu, 29 Mar 2012 12:52:02 +0400, Kir Kolyshkin wrote:
>> On 03/28/2012 08:01 PM, Mark Olliver wrote:
>>>
>>> Hi,
>>>
>>> With ploop is it possible rather than using a file to use and lvm
>>> partition as the backend storage?
>>>
>>
>> What for? The whole purpose of ploop is to use a file as a storage.
>>
>> If your question is can a CT use a dedicated LVM partition then the
>> answer is yes, and it was quite possible before ploop.
>>
>>> Also plop is it possible for the guest to run it’s own lvm layer,
>>> with kvm currently you can assign each VE a kvm partition then as it
>>> boots up it runs its own lvm layer where the root partition is stored.
>>>
>>
>> My rough guess is yes you can (and again, ploop is not about it).
>>
>> You can give a CT an access to physical disk or disk partition or LVM
>> volume or volume group using vzctl set --devnodes and then manage it
>> from the inside. But I haven't tried it, because I don't see any
>> practical use for it.
>>
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