2014-03-11 17:01 GMT+08:00 ChangBo Guo <[email protected]>: > > > > 2014-03-11 16:28 GMT+08:00 Chen CH Ji <[email protected]>: > > Hi >> We are trying to fix some eph disk related bugs and also >> considering our private driver implementation based for eph disk ,so this >> is not a usage question ,instead, it's a development question >> >> I have some questions related "ephemeral_gb" in flavor and nova >> boot option "--ephemeral", and I failed to find out descriptions in >> existing documents: >> >> 1. If I boot a new instance using flavor with "ephemeral_gb" defined >> as 20 G, and no "--ephemeral" specified, does the new instance have a 20G >> additional ephemeral disk after booted? >> >> ephemeral_gb means the maximum value allowed , need option --ephemeral > to provide actual value, otherwise, no ephemeral disk is created. The swap > option has same behavior with ephemeral_gb > Update: if without the option --ephemeral , the size in flavor will be used .
> >> 2. The flavor has 20 G ephemeral disk defined, but specified two 5 G >> ephemeral disk through "--ephemeral" option in nova boot cmd, what will >> happen to the new instance? Get one 20G additional ephemeral? Or two 5 G >> ephemeral disks instead? >> 3. If the answer to question 2 is "two 5 G ephemeral disks", what >> will happen if resize this instance to a flavor with "ephemeral_gb" >> defined >> as 40 G? >> 4. I think the "ephemeral_gb" in flavor means maximum disk size you >> can specified, is this understanding correct? >> 5. Also, above question can be applied to swap disk >> >> >> Best Regards! >> >> Kevin (Chen) Ji 纪 晨 >> >> Engineer, zVM Development, CSTL >> Notes: Chen CH Ji/China/IBM@IBMCN Internet: [email protected] >> Phone: +86-10-82454158 >> Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District, >> Beijing 100193, PRC >> >> >> _______________________________________________ >> OpenStack-dev mailing list >> [email protected] >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >> >> > > > -- > ChangBo Guo(gcb) > -- ChangBo Guo(gcb)
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