US 12,461,766 B2
Online migration method and system for bare metal server
Lei Gong, Hangzhou (CN)
Assigned to HUAWEI CLOUD COMPUTING TECHNOLOGIES CO., LTD., Guizhou (CN)
Filed by Huawei Cloud Computing Technologies Co., Ltd., Guizhou (CN)
Filed on Feb. 28, 2023, as Appl. No. 18/175,853.
Application 18/175,853 is a continuation of application No. PCT/CN2021/092962, filed on May 11, 2021.
Claims priority of application No. 202010890874.4 (CN), filed on Aug. 29, 2020; and application No. 202011337002.1 (CN), filed on Nov. 25, 2020.
Prior Publication US 2023/0214245 A1, Jul. 6, 2023
Int. Cl. G06F 9/455 (2018.01)
CPC G06F 9/45541 (2013.01) [G06F 9/45558 (2013.01); G06F 2009/4557 (2013.01); G06F 2009/45579 (2013.01); G06F 2009/45583 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An online migration system for a bare metal server, wherein the online migration system comprises:
a first bare metal server comprising a first memory and configured to generate first dirty memory page location information for the first memory;
a second bare metal server;
a second hardware card; and
a first hardware card inserted into the first bare metal server, wherein the first hardware card is configured to:
receive a migration command for the first bare metal server from a cloud management platform;
notify, based on the migration command, the first bare metal server to start a virtual machine manager in the first bare metal server to record the first dirty memory page location information;
receive the first dirty memory page location information from the virtual machine manager; and
online migrate a dirty memory page of the first bare metal server to the second bare metal server based on the first dirty memory page location information.