Let's see what an interesting product...
I use Ceph (bluestore) with several nodes, but each one of them has only 1 HD. I want to add more hard drives to each node, but I see that the performance is not satisfactory for virtual machine disks on HD OSD's. So I'm looking to add NVMe's for walls and DBs. However, I have come across information that consumer NVMe's are not good, because they don't have supercaps, which served as a UPS for NVMe, as Ceph uses fsync() calls all the time.
Due to...
Read more
I use Ceph (bluestore) with several nodes, but each one of them has only 1 HD. I want to add more hard drives to each node, but I see that the performance is not satisfactory for virtual machine disks on HD OSD's. So I'm looking to add NVMe's for walls and DBs. However, I have come across information that consumer NVMe's are not good, because they don't have supercaps, which served as a UPS for NVMe, as Ceph uses fsync() calls all the time.
Due to...
Read more