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{"releasenotes/notes/disk_ratio_to_rt-b6224ab8c0272d86.yaml":[{"author":{"_account_id":782,"name":"John Garbutt","email":"john@johngarbutt.com","username":"johngarbutt"},"change_message_id":"27ea79d77a0908cd0aaaec50350d92e288d2a03f","unresolved":false,"context_lines":[{"line_number":3,"context_line":"  - Disk allocation ratio is now available per compute node, like CPU and RAM."},{"line_number":4,"context_line":"upgrade:"},{"line_number":5,"context_line":"  -  Allocation ratio for disk is now defined within the nova-compute service"},{"line_number":6,"context_line":"  (so per compute node). Ratios also need to be provided for the scheduler"},{"line_number":7,"context_line":"  service. Depending on whether a compute node is running Liberty or Mitaka,"},{"line_number":8,"context_line":"  the allocation ratios will behave differently : if the compute node is"},{"line_number":9,"context_line":"  running Liberty then the disk allocation ratio for that compute node will be"},{"line_number":10,"context_line":"  the one defaulted in the controller\u0027s nova.conf file."}],"source_content_type":"text/x-yaml","patch_set":3,"id":"3a57f1b5_0afe3b37","line":7,"range":{"start_line":6,"start_character":25,"end_line":7,"end_character":10},"updated":"2016-02-11 09:51:58.000000000","message":"Really? I think the scheduler service should be NOT configured such that the compute node configuration gets used?","commit_id":"c1e417a1970377087ca5c56974be1f6cf45395af"},{"author":{"_account_id":782,"name":"John Garbutt","email":"john@johngarbutt.com","username":"johngarbutt"},"change_message_id":"27ea79d77a0908cd0aaaec50350d92e288d2a03f","unresolved":false,"context_lines":[{"line_number":7,"context_line":"  service. Depending on whether a compute node is running Liberty or Mitaka,"},{"line_number":8,"context_line":"  the allocation ratios will behave differently : if the compute node is"},{"line_number":9,"context_line":"  running Liberty then the disk allocation ratio for that compute node will be"},{"line_number":10,"context_line":"  the one defaulted in the controller\u0027s nova.conf file."},{"line_number":11,"context_line":"  Or, if the compute node is Mitaka then you\u0027ll be able to set a per-compute"},{"line_number":12,"context_line":"  allocation ratio for disk. In order to leave the operator providing the"},{"line_number":13,"context_line":"  allocation ratio to all the compute nodes, the default allocation ratio will"}],"source_content_type":"text/x-yaml","patch_set":3,"id":"3a57f1b5_aaa3674e","line":10,"range":{"start_line":10,"start_character":20,"end_line":10,"end_character":49},"updated":"2016-02-11 09:51:58.000000000","message":"you mean nova-scheduler\u0027s nova.conf?\n\n\"the controller\" is not really a Nova concept, its deployment specific.","commit_id":"c1e417a1970377087ca5c56974be1f6cf45395af"},{"author":{"_account_id":782,"name":"John Garbutt","email":"john@johngarbutt.com","username":"johngarbutt"},"change_message_id":"27ea79d77a0908cd0aaaec50350d92e288d2a03f","unresolved":false,"context_lines":[{"line_number":9,"context_line":"  running Liberty then the disk allocation ratio for that compute node will be"},{"line_number":10,"context_line":"  the one defaulted in the controller\u0027s nova.conf file."},{"line_number":11,"context_line":"  Or, if the compute node is Mitaka then you\u0027ll be able to set a per-compute"},{"line_number":12,"context_line":"  allocation ratio for disk. In order to leave the operator providing the"},{"line_number":13,"context_line":"  allocation ratio to all the compute nodes, the default allocation ratio will"},{"line_number":14,"context_line":"  be set in nova.conf to 0.0 (even for the controller)."},{"line_number":15,"context_line":"  That doesn\u0027t mean that allocation ratio will actually be 0.0, just that the"},{"line_number":16,"context_line":"  operator needs to provide those before the next release (ie. Newton)."},{"line_number":17,"context_line":"  To be clear, the default allocation ratio is still 1.0 for disk_allocation_ratio"}],"source_content_type":"text/x-yaml","patch_set":3,"id":"3a57f1b5_ca326310","line":16,"range":{"start_line":12,"start_character":29,"end_line":16,"end_character":71},"updated":"2016-02-11 09:51:58.000000000","message":"this seems very confusing somehow.","commit_id":"c1e417a1970377087ca5c56974be1f6cf45395af"},{"author":{"_account_id":4393,"name":"Dan Smith","email":"dms@danplanet.com","username":"danms"},"change_message_id":"6c841452d42f913603129b40721f077ebac1c8e6","unresolved":false,"context_lines":[{"line_number":5,"context_line":"    setting it in the scheduler. This means the disk, RAM and CPU allocation"},{"line_number":6,"context_line":"    ratios now all work in the same way."},{"line_number":7,"context_line":"upgrade:"},{"line_number":8,"context_line":"  - For Liberty compute nodes, the disk_allocation_ration works as before, you"},{"line_number":9,"context_line":"    must set it on the scheduler if you want to change it."},{"line_number":10,"context_line":"    For Mitaka compute nodes, the disk_allocation_ratio set on the compute"},{"line_number":11,"context_line":"    nodes will be used only if the configuration is not set on the scheduler."}],"source_content_type":"text/x-yaml","patch_set":8,"id":"dae33548_73fc1fb8","line":8,"range":{"start_line":8,"start_character":35,"end_line":8,"end_character":57},"updated":"2016-02-18 16:41:48.000000000","message":"ratio?","commit_id":"0130407c3ce2ffc07955eb22df1cead5d7623b6b"}]}