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Hi! I’ve been checking some of the available information about Cache pools and I’ve come out with some questions:
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What do you think is a better approach to improve the performance of RBD for VMs: Caching OSDs with FlashCache or using SSD Cache Pools? -
As I understand kernel driver will not be able to mount RBD images from cached pools until it gets upgraded, am I right? (Kernel 3.14 probably?) -
As QEMU / KVM does use librbd, if I upgrade Ceph client packages on Hypervisor host will VMs be able to mount RBD images from cached pools? (As I understand QEMU / KVM link dynamically to librbd libraries, right?)
Actually, I plan to perform some tests by myself soon, but if someone could give me some insight before I get my hands over proper HW to run some tests it would be really great. Thanks! Saludos cordiales, Xavier Trilla P. ¿Todavía no conoces Bare Metal Cloud? ¡La evolución de los Servidores VPS ya ha llegado! más información en:
siliconhosting.com/cloud |
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