Back to bug 1305498
| Who | When | What | Removed | Added |
|---|---|---|---|---|
| Michal Skrivanek | 2016-02-08 12:56:30 UTC | Doc Text | large guests have a significant overhead on the host which is not accounted for when scheduling the VM 1/128th of the VM memory size is required to be available on host as a consecutive non-swapped block of memory. End-user effect is that "sometimes" VMs do not run despite the memory on host seems to be sufficient. Please document the difference on ppc64le hypervisors - default max memory size is 1TB, hotplug memory is disabled (can be enabled via engine-config) |
|
| Yaniv Lavi | 2016-02-09 13:04:46 UTC | CC | ydary | |
| Doc Type | Bug Fix | Known Issue | ||
| Red Hat Bugzilla | 2016-02-09 13:04:46 UTC | Doc Type | Known Issue | Bug Fix |
| Yaniv Lavi | 2016-02-09 13:05:25 UTC | Target Milestone | ovirt-3.6.4 | ovirt-3.6.3 |
| Summary | [PPC64LE] - memory hotplug support | [PPC64LE] - ppc64le hypervisors do not have memory hotplug support | ||
| Michal Skrivanek | 2016-02-10 12:21:51 UTC | oVirt Team | Virt | Docs |
| Bronce McClain | 2016-02-15 15:37:31 UTC | Blocks | 1308609 | |
| Lucy Bopf | 2016-02-16 03:51:44 UTC | Status | NEW | RELEASE_PENDING |
| CC | lbopf | |||
| Doc Text | large guests have a significant overhead on the host which is not accounted for when scheduling the VM 1/128th of the VM memory size is required to be available on host as a consecutive non-swapped block of memory. End-user effect is that "sometimes" VMs do not run despite the memory on host seems to be sufficient. Please document the difference on ppc64le hypervisors - default max memory size is 1TB, hotplug memory is disabled (can be enabled via engine-config) | Large virtual machines have a significant overhead on Red Hat Enterprise Linux hosts on IBM POWER8 hardware, which is not accounted for when scheduling the virtual machine. 1/128th of the virtual machine memory size is required to be available on the host as a consecutive non-swapped block of memory. The end-user effect is that sometimes virtual machines do not run, even though the memory on the host seems to be sufficient. The default maximum memory size for a Red Hat Enterprise Linux host on IBM POWER8 hardware is 1TB. Memory hot plugging is disabled by default, but can be enabled using the engine-config utility. | ||
| Summary | [PPC64LE] - ppc64le hypervisors do not have memory hotplug support | [Docs][PPC64LE][Release Note Only] - ppc64le hypervisors do not have memory hotplug support | ||
| Doc Type | Bug Fix | Known Issue | ||
| Hanns-Joachim Uhl | 2016-02-18 16:20:27 UTC | Blocks | 1308609 | |
| Lucy Bopf | 2016-03-10 07:13:14 UTC | Status | RELEASE_PENDING | CLOSED |
| Resolution | --- | CURRENTRELEASE | ||
| Last Closed | 2016-03-10 02:13:14 UTC | |||
| Hanns-Joachim Uhl | 2016-08-01 14:11:34 UTC | Blocks | 1284775 | |
| Depends On | 1284775 |
Back to bug 1305498