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HP B6960-90078 User Manual

Page 538

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Disaster Recovery

Disk Delivery Disaster Recovery of an UNIX Client

Chapter 10

508

• If the system that will be backed up has application processes active

at low run levels, establish a state of minimal activity (modified init 1
run level
) and enter the single user mode to prevent errors after
recovery (see “Consistent and Relevant Backup” on page 444).
Consult your operating system documentation for details.

HP-UX Example

1. Move some kill links from

/sbin/rc1.d

to

/sbin/rc0.d

and

complement the changes for the boot-up section. The kill links
include the basic services that would otherwise be suspended by
moving to run level 1, and they are needed for the backup. For an
example, see Appendix A, “Disaster Recovery: Move Kill Links on
HP-UX 11.x,” on page A-25.

2. Ensure that

rpcd

is configured on the system (configure the

variable

RPCD=1

within the file

/etc/rc.config.d/dce

).

This prepares the system so that it enters the state of minimal
activity. The state can be characterized as follows:

Init-1

(

FS_mounted, hostname_set, date_set,

syncer_running

)

— Network must be running

— The following processes should also be running:

inetd

,

rpcd

,

swagentd

Solaris Example

1. Move the

rpc

kill link from

/etc/rc1.d

to

/etc/rc0.d

and

complement the change for the boot-up section. The kill links
include the basic services that would otherwise be suspended by
moving to run level 1, and they are needed for the backup.

2. Ensure that

rpcbind

is configured on the system.

This prepares the system so that it enters the state of minimal
activity. The state can be characterized as follows:

Init 1

— Network must be running

— The following processes should also be running:

inetd

,

rpcbind

.

Tru64

— If the system is powered down, boot up the system and enter the

System Reference Manual (SRM) console (the firmware console).
Execute the following command from the SRM console to enter the