Re: Number of SSD for OSD journal

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Hallo Mike,

> This is also have another way.
> * for CONF 2,3 replace 200Gb SSD to 800Gb and add another 1-2 SSD to
> each node.
> * make tier1 read-write cache on SSDs
> * also you can add journal partition on them if you wish - then data
> will moving from SSD to SSD before let down on HDD
> * on HDD you can make erasure pool or replica pool

Do you have some experience (performance ?)  with SSD as caching tier1? Maybe some small benchmarks? From the mailing list, I "feel" that SSD-tearing is not much used in productive.

regards
Danny


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