I've a question regarding advice from these threads: https://mail.google.com/mail/u/0/#label/ceph/1476b93097673ad7?compose=1476ec7fef10fd01
https://www.mail-archive.com/ceph-users@lists.ceph.com/msg11011.html Our current setup has 4 osd's per node. When a drive fails the cluster is almost unusable for data entry. I want to change our set up so that under no circumstances ever happens. Network: we use 2 IB switches and bonding in fail over mode. Systems are two Dell Poweredge r720 and Supermicro X8DT3 . So looking at how to do things better we will try '#4- anti-cephalopod' . That is a seriously funny phrase! We'll switch to using raid-10 or raid-6 and have one osd per node, using high end raid controllers, hot spares etc. And use one Intel 200gb S3700 per node for journal My questions: is there a minimum number of OSD's which should be used? should OSD's per node be the same? best regards, Rob PS: I had asked above in middle of another thread... please ignore there.
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