2014-03-11 16:28 GMT+08:00 Chen CH Ji <jiche...@cn.ibm.com>: > 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
> > 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: jiche...@cn.ibm.com > Phone: +86-10-82454158 > Address: 3/F Ring Building, ZhongGuanCun Software Park, Haidian District, > Beijing 100193, PRC > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -- ChangBo Guo(gcb)
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