In EC2 EBS, when I attach a device via UI or api, I specify the device name (eg /dev/sdf through sdp). That drive letter is consistent between reboots ? It seems implied that it is (otherwise why would they let me set it).
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If you actually mean you are just rebooting the server then yes, the device name will remain. This is because you do the attach to the instance, and during a reboot everything about the instance stays the same. (Even data on the non-persistent instance disk.) If on the other hand what you mean by "reboot" is you terminate the instance, and restart the AMI as a new instance, then technically the answer is no - but you can just re-attach the EBS drive to the instance, and use the same device name, so the effect is the same. | |||
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