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I. Ceph

要配置Ceph以使用不同的存儲設備，請參閱:?Ceph 2 speed storage with CRUSH.

II. Cinder

假設調用了兩個池:

• rbd-sata 指向 SATA rack
• rbd-ssd 指向 SSD rack

II.1 配置操作

Cinder 配置文件:

#多后端選項 #定義多個卷后端組的名稱 enabled_backends=rbd-sata,rbd-ssd#定義上面的組 [rbd-sata] volume_driver=cinder.volume.driver.RBDDriver rbd_pool=cinder-sata volume_backend_name=RBD_SATA # 如果啟用cephX需要配置下面內容 #rbd_user=cinder #rbd_secret_uuid=<None> [rbd-ssd] volume_driver=cinder.volume.driver.RBDDriver rbd_pool=cinder-ssd volume_backend_name=RBD_SSD #如果啟用cephX需要配置下面內容 #rbd_user=cinder #rbd_secret_uuid=<None>

最終創建兩個卷類型，分別指向各自的后端。

$ cinder type-create ssd +--------------------------------------+------+ | ID | Name | +--------------------------------------+------+ | b1522968-e4fa-4372-8ac4-3925b7c79ee1 | ssd | +--------------------------------------+------+$ cinder type-create sata +--------------------------------------+------+ | ID | Name | +--------------------------------------+------+ | b50bf5a3-6044-4392-beeb-432302f6421c | sata | +--------------------------------------+------+

然后創建指針

$cinder type-key ssd set volume_backend_name=RBD_SSD $cinder type-key sata set volume_backend_name=RBD_SATA $cinder extra-specs-list +--------------------------------------+------+---------------------------------------+ | ID | Name | extra_specs | +--------------------------------------+------+---------------------------------------+ | b1522968-e4fa-4372-8ac4-3925b7c79ee1 | ssd | {u'volume_backend_name': u'RBD_SSD'} | | b50bf5a3-6044-4392-beeb-432302f6421c | sata | {u'volume_backend_name': u'RBD_SATA'} | +--------------------------------------+------+---------------------------------------+

然后重啟cinder服務

$ sudo restart cinder-api ; sudo restart cinder-scheduler ; sudo restart cinder-volume

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II.2. 使用它

$ cinder create --volume_type ssd --display_name vol-ssd 1 +---------------------+--------------------------------------+ | Property | Value | +---------------------+--------------------------------------+ | attachments | [] | | availability_zone | nova | | bootable | false | | created_at | 2013-04-22T14:54:53.917580 | | display_description | None | | display_name | vol-ssd | | id | 4c777d96-66e4-4f85-815c-92d4503c5c8c | | metadata | {} | | size | 1 | | snapshot_id | None | | source_volid | None | | status | creating | | volume_type | ssd | +---------------------+--------------------------------------+$ cinder create --volume_type ssd --display_name vol-sata 1 +---------------------+--------------------------------------+ | Property | Value | +---------------------+--------------------------------------+ | attachments | [] | | availability_zone | nova | | bootable | false | | created_at | 2013-04-22T14:54:58.831327 | | display_description | None | | display_name | vol-sata | | id | 8e347bd1-2044-40a2-ae87-ee9a23cddd71 | | metadata | {} | | size | 1 | | snapshot_id | None | | source_volid | None | | status | creating | | volume_type | ssd | +---------------------+--------------------------------------+

驗證是否配置生效

$ rbd -p cinder-ssd ls volume-8e347bd1-2044-40a2-ae87-ee9a23cddd71$ rbd -p cinder-sata ls volume-4c777d96-66e4-4f85-815c-92d4503c5c8c

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轉載自: http://luozn.top/2018/04/23/290/

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轉載于:https://my.oschina.net/jennerlo/blog/1799982

總結

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