Sent to quickly — also note that consumer / client SSDs often don’t have powerloss protection, so if your whole cluster were to lose power at the wrong time, you might lose data. > On Nov 28, 2023, at 8:16 PM, Anthony D'Atri <aad@xxxxxxxxxxxxxx> wrote: > > >>> >>> 1) They’re client aka desktop SSDs, not “enterprise” >>> 2) They’re a partition of a larger OSD shared with other purposes >> >> Yup. They're a mix of SATA SSDs and NVMes, but everything is >> consumer-grade. They're only 10% full on average and I'm not >> super-concerned with performance. If they did get full I'd allocate >> more space for them. Performance is more than adequate for the very >> light loads they have. > > Fair enough. We sometimes see people bringing a toothpick to a gun fight and expecting a different result, so I had to ask. Just keep an eye on their endurance burn. > >> >> >> It is interesting because Quincy had no issues with the autoscaler >> with the exact same cluster config. It might be a Rook issue, or it >> might just be because so many PGs are remapped. I'll take another >> look at that once it reaches more of a steady state. >> >> In any case, if the balancer is designed more for equal-sized OSDs I >> can always just play with reweights to balance things. > > Look into the JJ balancer, I’ve read good things about it. > >> >> -- >> Rich > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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