Re: SSD only storage, where to place journal

Neo <neo@xxxxxxxxxxx> · Wed, 04 Sep 2013 17:40:41 +0200

      -------- Original-Nachricht --------

            Betreff:

            Re:  SSD only storage, where to place
              journal

            Datum: 
            Fri, 30 Aug 2013 22:13:12 +0200

            Von: 
            Stefan Priebe <s.priebe@xxxxxxxxxxxx>

            An: 
            Tobias Brunner <tobias@xxxxxxxx>

            Kopie
              (CC): 
            ceph-users@xxxxxxxxxxxxxx

      Hi Stefan.

      Am 30.08.2013 22:09, schrieb Tobias Brunner:

SSD only setup

>> Am I doing the correct considerations? What are best practices on an SSD
>> only storage cluster?

> Yes, thats correct what i hate at this point is that you lower the ssd 
> speed by writing to journal, reading to journal wirting to ssd. Sadly 
> there is no option to disable the journal. I think for SSD this would be 
> best.

Are there any considerations by now? Or, is disabling journal sowhat tricky, that we cant build an --nojournal switch for such scenarios?

I'd be glad for answers.

Have fun and keep up the good work

Neo

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