Ceph管理端的操作：

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#?rbd?ls?-p?openshift openshift-storage01 #?rbd?resize?openshift/openshift-storage01?--size?20000 Resizing?image:?100%?complete...done.

Ceph客戶端的操作：

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#?rbd?showmapped id?pool??????image???????????????snap?device???? 0??openshift?openshift-storage01?-????/dev/rbd0? #?df?-h 文件系統?????????????容量??已用??可用?已用%?掛載點 /dev/mapper/cl-root??179G??5.7G??174G????4%?/ devtmpfs?????????????1.9G?????0??1.9G????0%?/dev tmpfs????????????????1.9G??316K??1.9G????1%?/dev/shm tmpfs????????????????1.9G???49M??1.9G????3%?/run tmpfs????????????????1.9G?????0??1.9G????0%?/sys/fs/cgroup /dev/vda1????????????297M??122M??176M???41%?/boot tmpfs????????????????380M???16K??380M????1%?/run/user/42 tmpfs????????????????380M???48K??380M????1%?/run/user/0 /dev/vdb????????????1008G???92G??866G???10%?/mnt/backup tmpfs????????????????380M?????0??380M????0%?/run/user/1001 /dev/rbd0?????????????10G??2.0G??8.1G???20%?/cephmount #?xfs_growfs?-d?/cephmount/ meta-data=/dev/rbd0??????????????isize=512????agcount=17,?agsize=162816?blks ?????????=???????????????????????sectsz=512???attr=2,?projid32bit=1 ?????????=???????????????????????crc=1????????finobt=0?spinodes=0 data?????=???????????????????????bsize=4096???blocks=2621440,?imaxpct=25 ?????????=???????????????????????sunit=1024???swidth=1024?blks naming???=version?2??????????????bsize=4096???ascii-ci=0?ftype=1 log??????=internal???????????????bsize=4096???blocks=2560,?version=2 ?????????=???????????????????????sectsz=512???sunit=8?blks,?lazy-count=1 realtime?=none???????????????????extsz=4096???blocks=0,?rtextents=0 data?blocks?changed?from?2621440?to?5120000 說明：容量已經擴展了 #?ceph?df? GLOBAL: ????SIZE?????AVAIL?????RAW?USED?????%RAW?USED? ????224G??????212G???????12736M??????????5.53? POOLS: ????NAME????????????????ID?????USED??????%USED?????MAX?AVAIL?????OBJECTS? ????rbd?????????????????0????????422?????????0????????68433M???????????7? ????openstack???????????1??????2159M??????3.06????????68433M?????????554? ????cloudstack-test?????2????????194?????????0????????68433M???????????6? ????test????????????????3??????????0?????????0????????68433M???????????0? ????openshift???????????4??????2014M??????2.86????????68433M?????????539

本文轉自 冰凍vs西瓜 51CTO博客，原文鏈接：http://blog.51cto.com/molewan/2063761，如需轉載請自行聯系原作者

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