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{"doc/user-guide/source/cli_cheat_sheet.rst":[{"author":{"_account_id":6772,"name":"Stephen Gordon","email":"sgordon@redhat.com","username":"sgordon"},"change_message_id":"1d5a453f2a0ae83c1570c4b945e918194983c54e","unresolved":false,"context_lines":[{"line_number":307,"context_line":""},{"line_number":308,"context_line":".. code-block:: console"},{"line_number":309,"context_line":""},{"line_number":310,"context_line":"   $ nova volume-attach INSTANCE_ID VOLUME_ID [\u003cdevice\u003e]"},{"line_number":311,"context_line":"   $ nova volume-attach MyVolumeInstance 573e024d-5235-49ce-8332-be1576d323f8 /dev/vdb"},{"line_number":312,"context_line":""},{"line_number":313,"context_line":"Manage volumes after login into the instance"}],"source_content_type":"text/x-rst","patch_set":1,"id":"bae84128_c3afd292","line":310,"updated":"2016-02-25 13:31:42.000000000","message":"I actually don\u0027t think this is a good improvement, because specifying a device name is only expected to work with one driver (Xen). Suggesting you can specify a device name without mentioning this leads to a lot of user confusion when they follow such instructions and then discover their device name preference doesn\u0027t actually get through to the guest and instead the device names are just assigned in order instead. This is a known limitation of the non-Xen drivers and not expected to change.","commit_id":"18a9320558be689ece2d2e99539f77964d25be00"},{"author":{"_account_id":6772,"name":"Stephen Gordon","email":"sgordon@redhat.com","username":"sgordon"},"change_message_id":"c7f8ec11242bea8b0854fbff840859b569412765","unresolved":false,"context_lines":[{"line_number":307,"context_line":""},{"line_number":308,"context_line":".. code-block:: console"},{"line_number":309,"context_line":""},{"line_number":310,"context_line":"   $ nova volume-attach INSTANCE_ID VOLUME_ID [\u003cdevice\u003e]"},{"line_number":311,"context_line":"   $ nova volume-attach MyVolumeInstance 573e024d-5235-49ce-8332-be1576d323f8 /dev/vdb"},{"line_number":312,"context_line":""},{"line_number":313,"context_line":"Manage volumes after login into the instance"}],"source_content_type":"text/x-rst","patch_set":1,"id":"9aed3d3a_8f5e8ae7","line":310,"in_reply_to":"bae84128_c3afd292","updated":"2016-02-26 13:22:53.000000000","message":"I would suggest a note here highlighting that specifying the device only works with Xen, and that the default behaviour both if nothing is specified and on all non-Xen hypervisors (regardless of what is specified) is \"auto\".","commit_id":"18a9320558be689ece2d2e99539f77964d25be00"},{"author":{"_account_id":6772,"name":"Stephen Gordon","email":"sgordon@redhat.com","username":"sgordon"},"change_message_id":"fd92db465d4994fff5c15f6782dfb30beed0aa7d","unresolved":false,"context_lines":[{"line_number":308,"context_line":".. code-block:: console"},{"line_number":309,"context_line":""},{"line_number":310,"context_line":"   $ nova volume-attach INSTANCE_ID VOLUME_ID [\u003cdevice\u003e]"},{"line_number":311,"context_line":"   $ nova volume-attach MyVolumeInstance 573e024d-5235-49ce-8332-be1576d323f8 /dev/vdb"},{"line_number":312,"context_line":""},{"line_number":313,"context_line":"Manage volumes after login into the instance"},{"line_number":314,"context_line":""}],"source_content_type":"text/x-rst","patch_set":1,"id":"bae84128_23cafe4f","line":311,"updated":"2016-02-25 13:33:18.000000000","message":"As above I would suggest in the default case using auto, or not specifying at all because with most Nova drivers that is the behavior you are going to get anyway...","commit_id":"18a9320558be689ece2d2e99539f77964d25be00"},{"author":{"_account_id":19779,"name":"Chason Chan","display_name":"chenxing","email":"chason.chan@foxmail.com","username":"chenxing"},"change_message_id":"66b63e0cf65194ebf148d4dc6e38fbcdcc300222","unresolved":false,"context_lines":[{"line_number":308,"context_line":".. code-block:: console"},{"line_number":309,"context_line":""},{"line_number":310,"context_line":"   $ nova volume-attach INSTANCE_ID VOLUME_ID [\u003cdevice\u003e]"},{"line_number":311,"context_line":"   $ nova volume-attach MyVolumeInstance 573e024d-5235-49ce-8332-be1576d323f8 /dev/vdb"},{"line_number":312,"context_line":""},{"line_number":313,"context_line":"Manage volumes after login into the instance"},{"line_number":314,"context_line":""}],"source_content_type":"text/x-rst","patch_set":1,"id":"9aed3d3a_fcf40988","line":311,"in_reply_to":"9aed3d3a_8f05eac3","updated":"2016-02-27 03:23:58.000000000","message":"Excuse me, I didn\u0027t get the point. What you marked is the \"VOLUME_ID\" and the device parameter is \"/dev/vdb\", is that right?","commit_id":"18a9320558be689ece2d2e99539f77964d25be00"},{"author":{"_account_id":6772,"name":"Stephen Gordon","email":"sgordon@redhat.com","username":"sgordon"},"change_message_id":"b8a855dbfb4c7c2e4ce6eb74c29744236f3bc021","unresolved":false,"context_lines":[{"line_number":308,"context_line":".. code-block:: console"},{"line_number":309,"context_line":""},{"line_number":310,"context_line":"   $ nova volume-attach INSTANCE_ID VOLUME_ID [\u003cdevice\u003e]"},{"line_number":311,"context_line":"   $ nova volume-attach MyVolumeInstance 573e024d-5235-49ce-8332-be1576d323f8 /dev/vdb"},{"line_number":312,"context_line":""},{"line_number":313,"context_line":"Manage volumes after login into the instance"},{"line_number":314,"context_line":""}],"source_content_type":"text/x-rst","patch_set":1,"id":"9aed3d3a_2652d7dd","line":311,"in_reply_to":"9aed3d3a_fcf40988","updated":"2016-02-27 16:07:50.000000000","message":"I didn\u0027t mark anything, I believe you are referring to the colours of the diff indicating what you changed. Again, setting a device (e.g. /dev/vdb) is meaningless for every hypervisor driver except Xen. Please use auto or omit the parameter entirely.","commit_id":"18a9320558be689ece2d2e99539f77964d25be00"},{"author":{"_account_id":6772,"name":"Stephen Gordon","email":"sgordon@redhat.com","username":"sgordon"},"change_message_id":"c7f8ec11242bea8b0854fbff840859b569412765","unresolved":false,"context_lines":[{"line_number":308,"context_line":".. code-block:: console"},{"line_number":309,"context_line":""},{"line_number":310,"context_line":"   $ nova volume-attach INSTANCE_ID VOLUME_ID [\u003cdevice\u003e]"},{"line_number":311,"context_line":"   $ nova volume-attach MyVolumeInstance 573e024d-5235-49ce-8332-be1576d323f8 /dev/vdb"},{"line_number":312,"context_line":""},{"line_number":313,"context_line":"Manage volumes after login into the instance"},{"line_number":314,"context_line":""}],"source_content_type":"text/x-rst","patch_set":1,"id":"9aed3d3a_8f05eac3","line":311,"in_reply_to":"bae84128_23cafe4f","updated":"2016-02-26 13:22:53.000000000","message":"Here I would use auto or preferably omit the device parameter entirely.","commit_id":"18a9320558be689ece2d2e99539f77964d25be00"},{"author":{"_account_id":6772,"name":"Stephen Gordon","email":"sgordon@redhat.com","username":"sgordon"},"change_message_id":"9baaccb503d5efc3fd0d471b862db72c6a26d140","unresolved":false,"context_lines":[{"line_number":312,"context_line":""},{"line_number":313,"context_line":".. note::"},{"line_number":314,"context_line":""},{"line_number":315,"context_line":"   On Xen hypervisor, specifying the device name instead of the auto,"},{"line_number":316,"context_line":"   for example:"},{"line_number":317,"context_line":""},{"line_number":318,"context_line":"   .. code-block:: console"},{"line_number":319,"context_line":""}],"source_content_type":"text/x-rst","patch_set":2,"id":"9aed3d3a_72da90e9","line":316,"range":{"start_line":315,"start_character":3,"end_line":316,"end_character":15},"updated":"2016-03-01 15:42:57.000000000","message":"I would explain a bit further:\n\n\"On the Xen Hypervisor it is possible to provide a specific device name instead of automatic allocation. For example:\"","commit_id":"8a7d1cdbf9591b0a722c12495aef647c91e44d7e"},{"author":{"_account_id":6772,"name":"Stephen Gordon","email":"sgordon@redhat.com","username":"sgordon"},"change_message_id":"9baaccb503d5efc3fd0d471b862db72c6a26d140","unresolved":false,"context_lines":[{"line_number":318,"context_line":"   .. code-block:: console"},{"line_number":319,"context_line":""},{"line_number":320,"context_line":"      $ nova volume-attach MyVolumeInstance 573e024d-5235-49ce-8332-be1576d323f8 /dev/vdb"},{"line_number":321,"context_line":""},{"line_number":322,"context_line":"Manage volumes after login into the instance"},{"line_number":323,"context_line":""},{"line_number":324,"context_line":"List storage devices"}],"source_content_type":"text/x-rst","patch_set":2,"id":"7af24918_c63424e0","line":321,"updated":"2016-03-01 15:42:57.000000000","message":"\"This is not currently possible when using non-Xen hypervisors with OpenStack.\"","commit_id":"8a7d1cdbf9591b0a722c12495aef647c91e44d7e"}]}