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Must restore data to DR server

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Operating Systems AIX Must restore data to DR server
# 8  
Old 11-25-2008
Quote:
Originally Posted by pobman
was not sure about the PP though how can I tell what I should use? So I left it as 32MB
When a disk is added to a VG it is divided in parts the size of PPsize.

So you can tell by applying LVM restrictions: a single disk can hold max. 1019 PPs. If you have disks approximately 32GB in size you can go with a PP size of 32MB, arriving at ~1000 PPs per disk. If your disks are considerably larger than this you would only be able to use the first 32GB (1019x32MB to be exact) of the disk, losing the rest of it.

Since it is a good idea of leaving room for expansion everywhere consider using a PP size which divides the disk in 200-500 parts. For example: for 72GB disks use a PP size of 256MB giving ~300 PPs. This would allow for the use of disks up to 260GB without losing space.

I hope this helps.

bakunin
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LEARN ABOUT SUNOS

aset.restore

aset.restore(1M)					  System Administration Commands					  aset.restore(1M)

NAME

       aset.restore - restores system files to their content before ASET is installed

SYNOPSIS

       aset.restore [-d aset_dir]

DESCRIPTION

       aset.restore restores system files that are affected by the Automated Security Enhancement Tool (ASET) to their pre-ASET content. When ASET
       is executed for the first time,	it saves and archives the original system files in the	/usr/aset/archives  directory.	 The  aset.restore
       utility reinstates these files.	It also deschedules ASET, if it is currently scheduled for periodic execution. See  asetenv(4).

       If  you	have  made changes to system files after  running ASET, these changes are lost when you run  aset.restore. If you want to be abso-
       lutely sure that you keep the existing  system state, it is recommended that you back-up your  system before using  aset.restore.

       You should use  aset.restore, under the following circumstances:

	      You want to remove ASET permanently and restore the original system (if you want to deactivate ASET, you can remove it from schedul-
	      ing).
	      You are unfamiliar with ASET and want to experiment with it.  You can use aset.restore to restore the original system state.
	      When  some  major  system  functionality	is  not working properly and you suspect that ASET is causing the problem; you may want to
	      restore the  system to see if the problem persists without ASET.

       aset.restore requires root privileges to execute.

OPTIONS

       The following options are supported:

       -d aset_dir     Specify the working directory for ASET. By default, this directory is /usr/aset. With this option  the  archives  directory
		       will be located under aset_dir.

FILES

       /usr/aset/archives      archive of system files prior to executing aset

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWast			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       aset(1M), asetenv(4), attributes(5)

       System Administration Guide: Basic Administration

SunOS 5.10							    11 Oct 1991 						  aset.restore(1M)