Hi Johannes, Thanks for your reply.
I am naive for this, no idea how to make a configurations or where I can starts? based on the 4 options mentioned. Hope you can expound it further if possible. Best regards, Mario On Tue, Jul 21, 2015 at 2:44 PM, Johannes Formann <mlm...@formann.de> wrote: > Hi, > > > Can someone give an insights, if it possible to mixed SSD with HDD? on > the OSD. > > you’ll have more or less four options: > > - SSDs for the journals of the OSD-process (SSD must be able to perform > good on synchronous writes) > - an SSD only pool for „high performance“ data > - Using SSDs for the primary copy (fast reads), can be combined with the > first > - Using a cache pool with an SSD-only pool in front of the main disk-pool > > > How can we speed up the uploading for file for example, as per > experience it took around 18mins to load 20Gb images (via glance), in 1Gb > network. Or it is just normal? > > That’s about 20MB/s, for (I guess) sequential writes on a disk only > cluster that’s ok. But you can improve that with SSDs, but you have to > choose the best option for your setup, depending on the expected workload. > > greetings > > Johannes > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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