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[Xen-users] suspend&resume without balloon hvm virtual machines

  • To: xen-users <xen-users@xxxxxxxxxxxxxxxxxxxx>
  • From: lcy985a <lcy985a@xxxxxxx>
  • Date: Sat, 20 Jan 2018 19:35:19 +0800 (CST)
  • Delivery-date: Sat, 20 Jan 2018 11:38:39 +0000
  • List-id: Xen user discussion <xen-users.lists.xenproject.org>

hi, guys:
    i am using xenserver7.1.1, but when try to suspend a redhat6.5 hvm guest. it fails for it's max_memory is larger than current memory, and i find the guest runing without balloon driver.

   it will out of PoD memory when suspend or migrate hvm guest without balloon driver.

  so i  larger PoD eager_reclam cache, the guest suspend successed, but restoring failed because restore function desgined allocate actual number of memory when it doing suspend.

  at all, there's two things puzzled me:
  1. vm save/restore 1024 pages a batch, so 32 pages PoD eager_reclam cache is less usefull for this situation;
  2. why not designing restore fuction deal with no balloon guest.


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