> For the background: we have many Perc H800+MD1200 [1] systems running > with > 10TB HDDs (raid0, read ahead, writeback cache). > One server has LSI SAS3008 [0] instead of the Perc H800, > which comes with 512MB RAM + BBU. On most servers latencies are around > 4-12ms (average 6ms), on the system with the LSI controller we see > 20-60ms (average 30ms) latency. How did you get these latencies? Then I can show you maybe what I have with the SAS2308. _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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