On 10/22/15 1:23 PM, krautus@xxxxxxxxx wrote:
> Hello I'm trying to understand why and how to add one or more SSD (as a cache
> drive / keeping xfs log)
> to a traditional spinning xfs storage volume.
> I mean: which data will go to the ssd ? Inodes and dentries will go to the
> ssd ?
> Will the _read_ performance increase ?
You might want to look into something like dm-cache
https://en.wikipedia.org/wiki/Dm-cache
(TBH, I've not used it before, so grains of salt apply for your usecase).
Putting the log on an ssd is not likely to be the solution you want;
it certainly won't speed up reads.
-Eric
> In general I'm looking to increase (cache) the reading performance of folders
> with a lot of small files (emails),
> for email servers.
>
> Feel free to let me rtfm :)
> I'd gladly study the documentation / articles / benchmarks but my google-fu
> isn't in best shape.
>
> Thank you,
> Mike
> _______________________________________________
> xfs mailing list
> xfs@xxxxxxxxxxx
> http://oss.sgi.com/mailman/listinfo/xfs
>
|