php - Set EC2 instance Root Device type as SSD -


i creating ec2 instances using aws. able attach ssd drives using config.

'blockdevicemappings' => array(     array(         'virtualname' => 'data_volume',         'devicename' => '/dev/sdg',         'ebs' => array(             'volumesize' => 2,             'volumetype' => 'gp2'         )     ),

but i'm not able make root device ssd one. tried volumetype , rootdevicetype parameters didn't worked.

any solution this?

you can create ec2 instances ebs ssd root volume console. typically use ruby sdk, so:

ec2.instances.create(:image_id => 'image', :key_name => 'key', :instance_type => 'class', :security_groups => 'group', :count => 1, :block_device_mappings => [{:device_name => '/dev/sda1', :ebs => {:volume_size => 10, :volume_type => 'gp2'}}])

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