[Users] HDD and SSD for OpenVZ legagy

CoolCold coolthecold at gmail.com
Thu Feb 11 01:41:43 PST 2016


Hello!

On Thu, Feb 11, 2016 at 2:08 AM, Corrado Fiore <lists at corradofiore.it> wrote:
> Hi,
>
> you've got basically two choices:
>
> (1) pstorage (known as Parallels Cloud Storage, Odin Cloud Storage and now Virtuozzo Storage).  Check on the OpenVZ wiki for that.
>
> Notes:
>
>   • it can be distributed over multiple nodes (clustering)
>   • it will prevent data corruption / file system corruption through ongoing scrubbing; that'a huge plus.
>   • it's commercial, but priced reasonably
>   • it can be used with OpenVZ
>
>
> (2) btier 1.3.x from Mark Ruijter (http://www.lessfs.com/wordpress/).
I've setup dm-cache on ssd, no particular tests from me, but well, it
does something. Planning to add graphs of hits/misses, may be publish
it later.
>
> You'll need to create a hybrid partition on your system and put /vz on it.
>
> Notes:
>
>   • Btier is VERY fast!
>   • you really want to use RAID1 for the underlying devices, something that you wouldn't need with pstorage (tiering vs. caching)
>   • This setup does nothing to protect you from data corruption or file system corruption, which on EXT4 will eventually happen.  This is a key difference from pstorage.
>
> Hope this helps.
>
> Best,
> Corrado
>
> _________________________________________
>> On 11 Feb 2016, at 4:05 AM, Volker Janzen <voja at voja.de> wrote:
>>
>> Hi,
>>
>> if my server for OpenVZ legacy has HDD and SSD, what can I do to benefit from SSD speed?
>
>
> _______________________________________________
> Users mailing list
> Users at openvz.org
> https://lists.openvz.org/mailman/listinfo/users



-- 
Best regards,
[COOLCOLD-RIPN]



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