Contingency planning for System Failure Post: 302350321

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Operating Systems Solaris Contingency planning for System Failure Post 302350321 by Tirmazi on Thursday 3rd of September 2009 11:55:54 AM

09-03-2009

Registered User

Contingency planning for System Failure

I have inhereted a Solaris 8 server which is running an important application in our production environment.
The dilema is that the server has just one internal hard drive I believe it was installed using jump start, it does not even have a CD ROM drive and root is not mirrored (since there is only one hard drive)
I cannot take the server down for any reason.
The best I could do is take the backup of the entire server from root on a tape using netbackup.
The only comforting aspect is that I have a server similar to this server which I can use in case of emergency which does have a CD ROM drive.
My question is, if the server dies, what can I do now to restore with minimum down time on to the spare server

I was inclined and please correct me if I am wrong is to create a flash archive from root of this server on to another server's spare drive.

Quote:

flarcreate -n flash_root_archive -c -R / -e root_archive -x /anotherdrive/flash -a admin_operator -S anotherserver:/anotherdrive/flash/flash_archive1

If the server dies I can use the spare server, boot it from solaris 8 CD and do an installation using flash archive i have created.

Please excuse my ignorance, but I surely appreciate some guidence.

Thanks

Last edited by Tirmazi; 09-03-2009 at 01:03 PM..

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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)