Re: how to use cache tiering with proxy in ceph-10.2.2

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Where to find base docu?
Official website does not update the document


On Monday, July 18, 2016 5:16 PM, Oliver Dzombic <info@xxxxxxxxxxxxxxxxx> wrote:


Hi

i suggest you to read some base docu about that.

osd_tier_promote_max_bytes_sec = how much bytes per second are going on tier

ceph osd pool set ssd-pool target_max_bytes = maximum size in bytes on
this specific pool ( its like a quota )

--
Mit freundlichen Gruessen / Best regards

Oliver Dzombic
IP-Interactive

mailto:info@xxxxxxxxxxxxxxxxx

Anschrift:

IP Interactive UG ( haftungsbeschraenkt )
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63571 Gelnhausen

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Geschäftsführung: Oliver Dzombic

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UST ID: DE274086107


Am 18.07.2016 um 11:14 schrieb m13913886148@xxxxxxxxx:
> what is "osd_tier_promote_max_bytes_sec" in ceph.conf file  and command
> "ceph osd pool set ssd-pool target_max_bytes" are not the same ?
>
>
> On Monday, July 18, 2016 4:40 PM, Oliver Dzombic
> <info@xxxxxxxxxxxxxxxxx> wrote:
>
>
> Hi,
>
> osd_tier_promote_max_bytes_sec
>
> is your friend.
>
> --
> Mit freundlichen Gruessen / Best regards
>
> Oliver Dzombic
> IP-Interactive
>
> mailto:info@xxxxxxxxxxxxxxxxx <mailto:info@xxxxxxxxxxxxxxxxx>
>
> Anschrift:
>
> IP Interactive UG ( haftungsbeschraenkt )
> Zum Sonnenberg 1-3
> 63571 Gelnhausen
>
> HRB 93402 beim Amtsgericht Hanau
> Geschäftsführung: Oliver Dzombic
>
> Steuer Nr.: 35 236 3622 1
> UST ID: DE274086107
>
>
> Am 18.07.2016 um 10:19 schrieb m13913886148@xxxxxxxxx
> <mailto:m13913886148@xxxxxxxxx>:
>> hello cepher!
>>    I have a problem like this :
>>    I want to config a cache tiering to my ceph with writeback mode.In
>> ceph-0.94,it runs ok. IO is First through hot-pool. then it flush to
>> cold-pool.
>>    But in ceph-10.2.2,it doesn't like tihs. IO wrties to  hot-pool and
>> cold-pool at the same time. I think it is be associated with "proxy".
>>    So how to config a cache tiering in ceph-10.2.2 to Improve IO
>> performance as much as possible ?
>>    how to use the proxy in cache tiering ?
>
>>
>>
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@xxxxxxxxxxxxxx <mailto:ceph-users@xxxxxxxxxxxxxx>
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
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