ceph\u652f\u6301 layering,striping exclusive lock, object map,fast diff ,deep-flatten \u7b49\u65b0\u7684new features
\nlayering
\nimage\u7684\u514b\u9686\u64cd\u4f5c\u3002\u53ef\u4ee5\u5bf9image\u521b\u5efa\u5feb\u7167\u5e76\u4fdd\u62a4\uff0c\u7136\u540e\u4ece\u5feb\u7167\u514b\u9686\u51fa\u65b0\u7684image\u51fa\u6765\uff0c\u7236\u5b50image\u4e4b\u95f4\u91c7\u7528COW\u6280\u672f\uff0c\u5171\u4eab\u5bf9\u8c61\u6570\u636e\u3002<\/p>\n
striping v2
\n\u6761\u5e26\u5316\u5bf9\u8c61\u6570\u636e\uff0c\u7c7b\u4f3craid 0\uff0c\u53ef\u6539\u5584\u987a\u5e8f\u8bfb\u5199\u573a\u666f\u8f83\u591a\u60c5\u51b5\u4e0b\u7684\u6027\u80fd\u3002<\/p>\n
exclusive lock
\n\u4fdd\u62a4image\u6570\u636e\u4e00\u81f4\u6027\uff0c\u5bf9image\u505a\u4fee\u6539\u65f6\uff0c\u9700\u8981\u6301\u6709\u6b64\u9501\u3002\u8fd9\u4e2a\u53ef\u4ee5\u770b\u505a\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u9501\uff0c\u5728\u5f00\u542f\u7684\u65f6\u5019\uff0c\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u5728\u8bbf\u95eeimage\uff0c\u5426\u5219\u9501\u7684\u7ade\u4e89\u4f1a\u5bfc\u81f4io\u6025\u5267\u4e0b\u964d\u3002 \u4e3b\u8981\u5e94\u7528\u573a\u666f\u662fqemu live-migration\u3002<\/p>\n
object map
\n\u6b64\u7279\u6027\u4f9d\u8d56\u4e8eexclusive lock\u3002\u56e0\u4e3aimage\u7684\u5bf9\u8c61\u5206\u914d\u662fthin-provisioning\uff0c\u6b64\u7279\u6027\u5f00\u542f\u7684\u65f6\u5019\uff0c\u4f1a\u8bb0\u5f55image\u6240\u6709\u5bf9\u8c61\u7684\u4e00\u4e2a\u4f4d\u56fe\uff0c\u7528\u4ee5\u6807\u8bb0\u5bf9\u8c61\u662f\u5426\u771f\u7684\u5b58\u5728\uff0c\u5728\u4e00\u4e9b\u573a\u666f\u4e0b\u53ef\u4ee5\u52a0\u901fio\u3002<\/p>\n
fast diff
\n\u6b64\u7279\u6027\u4f9d\u8d56\u4e8eobject map\u548cexlcusive lock\u3002\u5feb\u901f\u6bd4\u8f83image\u7684snapshot\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n
deep-flatten
\nlayering\u7279\u6027\u4f7f\u5f97\u514b\u9686image\u7684\u65f6\u5019\uff0c\u7236\u5b50image\u4e4b\u95f4\u91c7\u7528COW\uff0c\u4ed6\u4eec\u4e4b\u95f4\u7684\u5bf9\u8c61\u6587\u4ef6\u5b58\u5728\u4f9d\u8d56\u5173\u7cfb\uff0cflatten\u64cd\u4f5c\u7684\u76ee\u7684\u662f\u89e3\u9664\u7236\u5b50image\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u4f46\u662f\u5b50image\u7684\u5feb\u7167\u5e76\u6ca1\u6709\u89e3\u9664\u4f9d\u8d56\uff0cdeep-flatten\u7279\u6027\u4f7f\u5f97\u5feb\u7167\u7684\u4f9d\u8d56\u4e5f\u89e3\u9664\u3002<\/p>\n
journaling
\n\u4f9d\u8d56\u4e8eexclusive lock\u3002\u5c06image\u7684\u6240\u6709\u4fee\u6539\u64cd\u4f5c\u8fdb\u884c\u65e5\u5fd7\u5316\uff0c\u5e76\u4e14\u590d\u5236\u5230\u53e6\u5916\u4e00\u4e2a\u96c6\u7fa4\uff08mirror)\uff0c\u53ef\u4ee5\u505a\u5230\u5757\u5b58\u50a8\u7684\u5f02\u5730\u707e\u5907\u3002\u8fd9\u4e2a\u7279\u6027\u5728\u90e8\u7f72\u7684\u65f6\u5019\u9700\u8981\u65b0\u90e8\u7f72\u4e00\u4e2adaemon\u8fdb\u7a0b\uff0c\u76ee\u524d\u8fd8\u5728\u8bd5\u9a8c\u9636\u6bb5\uff0c\u4e0d\u8fc7\u8fd9\u4e2a\u7279\u6027\u5f88\u91cd\u8981\uff0c\u53ef\u4ee5\u505a\u8de8\u96c6\u7fa4\/\u673a\u623f\u5bb9\u707e\u3002<\/p>\n
\u521b\u5efaimage\u7684\u65f6\u5019\uff0cjewel\u9ed8\u8ba4\u5f00\u542f\u7684\u7279\u6027\u5305\u62ec: layering\/exlcusive lock\/object map\/fast diff\/deep flatten<\/p>\n
Exclusive Lock
\n\u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\uff0c\u5f88\u591a\u7279\u6027\u90fd\u4f9d\u8d56\u4e8eexclusive lock\uff0c\u91cd\u70b9\u4ecb\u7ecd\u4e00\u4e0b\u3002<\/p>\n
exclusive lock \u662f\u5206\u5e03\u5f0f\u9501\uff0c\u5b9e\u73b0\u7684\u65f6\u5019\u9ed8\u8ba4\u662f\u5ba2\u6237\u7aef\u5728\u7b2c\u4e00\u6b21\u5199\u7684\u65f6\u5019\u83b7\u53d6\u9501\uff0c\u5e76\u4e14\u5728\u6536\u5230\u5176\u4ed6\u5ba2\u6237\u7aef\u7684\u9501\u8bf7\u6c42\u65f6\u81ea\u52a8\u91ca\u653e\u9501\u3002\u8fd9\u4e2a\u7279\u6027\u5728jewel\u9ed8\u8ba4\u5f00\u542f\u540e\uff0c\u672c\u8eab\u6ca1\u4ec0\u4e48\u95ee\u9898\uff0c \u5ba2\u6237\u7aef\u53ef\u4ee5\u81ea\u52a8\u83b7\u53d6\u548c\u91ca\u653e\u9501\uff0c\u5728\u5ba2\u6237\u7aefcrash\u540e\u4e5f\u80fd\u591f\u6b63\u786e\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
ceph\u652f\u6301 layering,striping …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[84],"tags":[180,165],"_links":{"self":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/771"}],"collection":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=771"}],"version-history":[{"count":1,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/771\/revisions"}],"predecessor-version":[{"id":772,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=\/wp\/v2\/posts\/771\/revisions\/772"}],"wp:attachment":[{"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=771"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.selinuxplus.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}