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Alexander Bukhalo2014-05-12 11:05:31
Cloud computing
Alexander Bukhalo, 2014-05-12 11:05:31

Is there any reason to do storage on Ceph with a channel of 1 Gb / s?

What is: 6 servers for virtual machines. The servers have two regular SATA disks, a vLan with a bandwidth of 1 Gb / s is organized between the machines.
Task: Set up Ceph object storage on existing hardware. The 1st node disk is supposed to be used for the OS, the 2nd one for the storage.
Question: Will there be a big performance loss due to the small (1 Gb / s?) vLan throughput between nodes? Will pumping the channel up to 10 Gb / s change the situation? What channel is required between nodes for storage on SSD?
UPD: found network recommendations for regular drives. For SSD the question remains open.

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