[Users] Shortest guide about running OpenVZ containers on top of ZFS

Pavel Odintsov pavel.odintsov at gmail.com
Wed Nov 12 12:55:01 PST 2014


Parallels Cloud Storage is not an real filesystem in "old filesystems"
terms, it based on ext4 locally and provides only remote features like
redundancy and multi level caching.

On Wed, Nov 12, 2014 at 11:40 PM, Nick Knutov <mail at knutov.com> wrote:
> When you need quotes and there is only one way to get them...
>
> I don't think ploop is about to solve ext4 troubles. I's just solve some
> troubles (which are common to a lot of file systems).
>
> ZFS in this case is more alternative to Parallels Cloud Storage which is
> closed source and hard to get even for money (I contacted Parallels
> sales several times and never got the pricelist from them).
>
> Also, ZFS is good in case of NAS with large amount of SSDs or usual
> disks with l2arc cache on SSD. And you can use ploop over ZFS in this
> case. I suppose ploop over glusterfs (for example) and most of others
> file system with any redundancy (I mean any realization of raid idea)
> will be more pain then usable solution, for comparison.
>
>
> 13.11.2014 0:25, Pavel Odintsov пишет:
>> Hello, Nick!
>>
>> Ploop is really useless for ZFS because it solves ext4 troubles and
>> ZFS haven't this issues by design. Quotes maybe problems, good
>> addition. I just added remark about quotes to comparison table.
>>
>> On Wed, Nov 12, 2014 at 9:56 PM, Nick Knutov <mail at knutov.com> wrote:
>>> Well, good beginning, but..
>>>
>>> as we discussed earlier:
>>>
>>> in most cases of hosting purposes users need quotes. And quotes work
>>> only with ext4. So the only real possible case of usage is ploop over
>>> zfs and the only good reason to have zfs here is l2arc cache on ssd or
>>> large amount SSD disks in raidz3 over iSCSI...
>>>
>>> ..and there are still no speed tests.
>>>
>>>
>>>
>>> 12.11.2014 15:20, Pavel Odintsov пишет:
>>>> Any questions/suggestions/performance test and other feedback are
>>>> welcome here or on GitHub!
>>>
>>> --
>>> Best Regards,
>>> Nick Knutov
>>> http://knutov.com
>>> ICQ: 272873706
>>> Voice: +7-904-84-23-130
>>> _______________________________________________
>>> Users mailing list
>>> Users at openvz.org
>>> https://lists.openvz.org/mailman/listinfo/users
>>
>>
>>
>
> --
> Best Regards,
> Nick Knutov
> http://knutov.com
> ICQ: 272873706
> Voice: +7-904-84-23-130
> _______________________________________________
> Users mailing list
> Users at openvz.org
> https://lists.openvz.org/mailman/listinfo/users



-- 
Sincerely yours, Pavel Odintsov



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