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Description of problem: Now that domain ballooning works from a kernel/hypervisor perspective, it would be nice if the tools were a little more accomodating for users. In particular, if you start a domain with the following in the config file: maxmem = "512" memory = "300" you can balloon up the domU, but *only* if you first balloon down dom0 sufficiently. You can successfully accomplish the balloon by running: xm mem-set Domain-0 1024 (or whatever, freeing up enough memory from dom0) xm mem-set domU 500 It would be nice if xm either did this automatically, or had a flag to do this automatically, i.e. just running xm mem-set domU 500 would balloon down dom0 (if it could), and balloon up the domain.
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
This request was previously evaluated by Red Hat Product Management for inclusion in the current Red Hat Enterprise Linux release, but Red Hat was unable to resolve it in time. This request will be reviewed for a future Red Hat Enterprise Linux release.
No customers have asked for this, and it was just a "nice to have" anyway, so I'm going to close this out. If customers ask for it, we can re-open it in the future. Chris Lalancette
*** Bug 545088 has been marked as a duplicate of this bug. ***