> It's not a 100% clear to me, but is the pdcache the same as the disk > internal (non battery backed up) cache? Yes, AIUI. > As we are located very nearby the hydropower plant, we actually connect > each server individually to an UPS. Lucky you. I’ve seen an entire DC go dark with a power outage thanks to a transfer switch not kicking in generators. Then again two weeks later. Taught me to be paranoid about power loss. And with dual power supplies, to proactively check status, so that I don’t find out only when it’s too late that a cord unseated or a PSU died, resulting in a silent loss of redundancy. _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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