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Active System Manager Release 8.1.1 User’s Guide

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Migrating servers (service mobility)

In ASM, service mobility refers to the capability to migrate server’s BIOS, NICs, storage connectivity, and assigned identity information to another server in a designated server pool, in order to perform planned maintenance or service activities or to respond to a hardware fault or failure issue. 

Currently, migration is supported only for boot form SAN server, and it is supported only for bare metal OS installs of Linux or Windows. It is not supported for ESXi. Therefore, the migration will not affect the virtual machines. 

It is recommended only to migrate between identically configured hardware. Different operating systems may not boot correctly on hardware that is different.

Migration prerequisites

  • ASM does not install operating systems on the boot from SAN volume. Therefore, you must install operating system on the servers prior to migration.

  • Make sure that the free servers are available in the server pool for migration, and it is compatible.

  • During the migration, the operating systems will not be booted. Therefore, it is recommended to shut down the server before migrating the boot from SAN image.

  • It is recommended configure a server pool that has servers with same model, RAID, and networking devices, including the specific slot to which network resources are connected.

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