If you can architect around the loss of a node and subsequent recovery, then I reckon it's worth testing the notion of not running RAID.
On 12 December 2014 at 14:30, Nikolas Everett <[email protected]> wrote: > Striping raid is viable for 2 or 3 disks because of the redundancy. > Software raid works fine for me. Hardware raid enables battery backed write > behind but I don't know how important that is with ssds. Either way, we go > 2xSSDs per server with os in mirrored raid and data striped. > > Depending on your data you may want spinning disks instead, then battery > backed writes are probably a bigger win. > On Dec 12, 2014 7:32 AM, "Elvar Böðvarsson" <[email protected]> wrote: > >> When running Elasticsearch on physical hardware you have it create >> replicas to make sure no node is a single point of failure. From everyone's >> experiance should I use Hardware Raid as well, or is it not needed? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "elasticsearch" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elasticsearch/4827efb1-b5cf-4407-97ef-f6c4c3029cea%40googlegroups.com >> <https://groups.google.com/d/msgid/elasticsearch/4827efb1-b5cf-4407-97ef-f6c4c3029cea%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/CAPmjWd2k6KMPF%3Dw%3DzzAEg1bxCNp1Aa-7ft_BAT4wa6dZ%2Bfrupg%40mail.gmail.com > <https://groups.google.com/d/msgid/elasticsearch/CAPmjWd2k6KMPF%3Dw%3DzzAEg1bxCNp1Aa-7ft_BAT4wa6dZ%2Bfrupg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAEYi1X8pf%3DxopyPw9tGs_GXDUZ25y7o_b%2BU5KujXU%2BJJbN012w%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
