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Full Discussion: mksysb restoration using NIM
Operating Systems AIX mksysb restoration using NIM Post 302410859 by bakunin on Wednesday 7th of April 2010 04:09:18 AM
Old 04-07-2010
Quote:
Originally Posted by juredd1
I am not trying to take over here, bakunin is doing a fine job but I just wanted to mention that on my NIM server when you set up a mksysb install to a client the "Initiate reboot and installation now?" option is defaulted to "yes". If I misunderstood the task being performed here I beg for your forgiveness.
You are welcome. The idea of this board is to OPENLY DISCUSS and everybody contributing to this is welcome. Btw., my advice is far from being perfect, see below.

Quote:
Originally Posted by depam
Hi jurred1,

Thanks for the response. Yes, i saw this option when I do a smitty nim_bosinst. I am to try it later. I think the client should reboot by itself and boot thru network and in SMS. If my previous resource document is correct. I am doing this later and cross-fingered everything works fine. By then, I can only confirm the results of your suggestions. Thanks a lot.
Sorry for answering sloppily before: yes, you can initiate the reboot from the NIM server provided that the NIM client fileset is already installed on the client. You have to start up to the POST-menu and enter the IP address of the server like described above in case of some "virgin" hardware. The only thing you need to know to define a "standalone client" (NIM wording) is the MAC-address of the interface used to install it and you can find this out in the POST-menus too, so it is possible to install a system completely from scratch.

This brings me to a suggestion: if you don't want to risk your precious installation but you have some spare hardware you could get a maintainance-window, shut down the production machine (to avoid double IP addresses, etc.), install the spare hardware with the image you took (you can allocate the mksysb image to any client, not only the one it originated from) and restore there. Then test the installation, scratch your test installation and start up your production system again.

I hope this helps.

bakunin

PS: insist on getting such test hardware. It is necessary not only for such purposes but also for testing updates, regression tests, .... If it is argued that money is an issue: if the costs of such a test system do not equal the risk of interrupted service because of updates or maintainance gone awry then this risk is not all too big at all, yes? If the customer who is paying for the system isn't valueing its high availability why should you?
 

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LEARN ABOUT MOJAVE

install-solaris

install-solaris(1M)                                                                                                            install-solaris(1M)

NAME

       install-solaris - install the Solaris operating system

SYNOPSIS

       install-solaris

       install-solaris  invokes  the  Solaris  Install  program. Depending on graphical capability and available memory at the time of invocation,
       install-solaris invokes either a text-based installer or a graphical installer.

       The following minimum requirements for physical memory dictate which features are available during installation:

       For SPARC machines:

       128 MB

           Minimum physical memory for all installation types

       128 MB

           Minimum physical memory required for windowing system

       384 MB

           Minimum physical memory required for graphical-based installation

       For x86 machines:

       256 MB

           Minimum physical memory for all installation types

       256 MB

           Minimum physical memory required for windowing system

       512 MB

           Minimum physical memory required for graphical-based installation

       In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number  of  fea-
       tures available.

       install-solaris  exists  only  on  the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the  for more
       details.

       install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the
       installation media. Refer to the  for disk space requirements.

       Refer to the  for more information on the various menus and selections.

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcdrom  (Solaris instal-  |
       |                             |lation media)                |
       +-----------------------------+-----------------------------+
       |Interface Stability          |Evolving                     |
       +-----------------------------+-----------------------------+

       pkginfo(1), install(1M), pkgadd(1M), attributes(5)

       It is advisable to exit install-solaris by means of the exit options in the install-solaris menus.

                                                                    23 Sep 2005                                                install-solaris(1M)
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