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Full Discussion: Mksysb restoration
Operating Systems AIX Mksysb restoration Post 302976825 by bakunin on Wednesday 6th of July 2016 01:28:29 PM
Old 07-06-2016
Quote:
Originally Posted by rbatte1
Another thing I could suggest would be that LV mirrors will need to be respected too. I fell over that when restoring to a server with a HUGE single disk protected externally. I can't remember if it was local hardware RAID or a SAN.
True, but as threads O/P said he has two target disks i thought that should be cared for. In fact, you are right: for the taking of an mksysb image the mirrors should all be edited out in the image.data file before taking it. I do that routinely because it allows for greater flexibility when restoring. One can always set up a mirror afterwards if that is necessary.

Quote:
Originally Posted by rbatte1
I must say that using tapes for such a large rootvg seems a little odd.
I'd say the large rootvg in itself is ridiculous. The rootvg is for holding the OS and everything pertaining to the systems configuration, not for the application data or the videos taken on the last holiday. Even my biggest systems have a rootvg built from a single 40GB LUN and even that is half empty on most systems.

I hope this helps.

bakunin
These 2 Users Gave Thanks to bakunin For This Post:
AIXBlueCat rbatte1
 

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LEARN ABOUT SUNOS

raidctl

raidctl(1M)						  System Administration Commands					       raidctl(1M)

NAME

       raidctl - RAID hardware utility

SYNOPSIS

       raidctl -c disk1 disk2

       raidctl -d disk1

       raidctl [-f] -F filename controller...

       raidctl -l [controller...]

DESCRIPTION

       The  raidctl  utility  creates, deletes, or displays RAID volumes of the LSI1030 HW Raid controllers that include RAID support. The utility
       also updates firmware/fcode/BIOS for both RAID and non-RAID controllers.

       The raidctl utility requires privileges that are controlled by the underlying file-system permissions. Only privileged users can manipulate
       the RAID system configuration. If a non-privileged user attempts to create or delete a RAID volume, the command fails with EPERM.

       Without options, raidctl displays the current RAID configuration on all exisiting controllers.

OPTIONS

       The following options are supported:

       -c disk1 disk2 (for on board)

	   Create  a  mirror using disk1 and disk2. Replace the contents of disk2 with the contents of disk1. Specify disk1 and disk2 in canonical
	   form, for example, c0t0d0.

	   When you create a a RAID volume, the RAID volume assumes the identity of the first target in the disk pair (disk1). The  second  target
	   (disk2) disappears from the system. Therefore, the RAID volume appears as one disk.

	   To  have  a successful RAID creation, there must not already be a RAID configuration present on the specified controller. Additionally,
	   the secondary disk must not be mounted, as it has all its data erased and replaced with the primary disk's data.

       -d disk1 (for on board)

	   Delete the RAID volume specified as disk1.

	   Specify disk1 in canonical form, for example, c0t0d0.

       -f (for HBA)

	   Force an update. Do not prompt.

       -F filename controller (for HBA)

	   Update the firmware running on the specified controller (controller).

       -l [controller ...] (for on board)

	   List the system's RAID configuration. If controller is specified, list RAID configurations for controller.

	   Output from the -l lists the following information:

	   RAID Volume	   Displays logical RAID volume name.

	   RAID Status	   Displays RAID status as either RESYNCING (disks are syncing), DEGRADED RAID is operating with  reduced  functionality),
			   OK (operating optimally), or FAILED (non-functional).

	   RAID Disk	   Displays RAID disk name.

	   Disk Status	   Displays disk status as either OK or FAILED.

EXAMPLES

       Example 1: Creating the RAID Configuration

       The following command creates the RAID configuration:

       # raidctl -c c0t0d0 c0t1d0
       RAID Volume 'c0t0d0' created

       Example 2: Displaying the RAID Configuration

       The following command displays the RAID configuration:

       # raidctl
       RAID	 RAID	   RAID      Disk
       Volume	 Status    Disk      Status
       ----------------------------------------
       c0t0d0	 RESYNCING c0t0d0    OK
			   c0t1d0    OK

       Example 3: Deleting the RAID Configuration

       The following command deletes the RAID configuration:

       # raidctl -d c0t0d0
       RAID Volume 'c0t0d0' deleted

       Example 4: Updating Flash Images on the Controller

       The following command updates flash images on the controller:

       # raidctl -F lsi1030.fw 0
       Update flash image on controller 0? (y/N): y
       Flash updated successfully

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       1	Invalid command line input.

       2	Request operation failed.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

       System Administration Guide: Basic Administration

SunOS 5.10							    17 Aug 2004 						       raidctl(1M)
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