Running a mon on a USB stick

[Jake Young <jak3kaj@xxxxxxxxx>]

I was planning to setup a small Ceph cluster with 5 nodes. Each node will have 12 disks and run 12 osds.

I want to run 3 mons on 3 of the nodes. The servers have an internal SD card that I'll use for the OS and an internal 16GB USB port that I want to mount the mon files to. 

From what I understand, the mons don't need much space.

Is there an issue with IO performance?

Thanks,

Jake

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