Mike Gerdts wrote, On 17/07/2009 04:18: > I see that memory dynamic reconfiguration was just putback to ON. > > http://hg.genunix.org/onnv-gate.hg/rev/b235491976d3 > > I have a couple questions... > > How does this compare to memory DR on a sun4u system? In particular, > will it ever cause the domain to pause as memory used by the kernel is > removed? >
No. Non-relocatable memory cannot be deleted so as a result copy-rename, OS quiesce, and driver suspend/resume functionality are not required. Others could probably give more in-depth details/differences. > Based on the case materials, it looks as though this was scheduled to > work with LDoms 1.2, but I didn't see a mention of it in the release > notes. Will this work with 1.2 or will I need to wait for the next > release? > Memory DR will require LDoms Manager and Firmware changes in addition to what is in 1.2 so yeah, you'll need a new release (the 1.2 release was brought forward sooner than what was planned when those ARC materials were written). > Is anyone able to share the schedule for backport to S10? > It's definitely planned (and in progress) but a concrete release date is not available yet. - Liam
