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Full Discussion: Need help in loop script
Top Forums Shell Programming and Scripting Need help in loop script Post 302551610 by ranjancom2000 on Wednesday 31st of August 2011 05:09:57 AM
Old 08-31-2011
Need help in loop script
Hi,

This is script i am using currently for create SAN device creating. I need to do some change on this script

Code:
#!/bin/ksh
let x=0
let y=0
let count=$1
let size=$2
for dev in `cat /opt/emc/scripts/bin/noport-devs`
do
        if [[ "$dev" > "$start" ]]
        then
        if [ y -eq $count ]
        then
                exit
        fi
        if [ x -eq 0 ]
        then
                head=$dev 
                echo "form meta from dev $dev config=striped stripe_size=1920;"
        else
                echo "add dev $dev to meta $head;"
                
        fi
        let x=x+1
        if [ x -eq $size ]
        then
                let x=0
                let y=y+1
        fi
        fi

done

Curent output for the above script is

Code:
orm meta from dev 05DF config=striped stripe_size=1920;
add dev 05E1 to meta 05DF;
add dev 0657 to meta 05DF;
add dev 066C to meta 05DF;
form meta from dev 066D config=striped stripe_size=1920;
add dev 09F2 to meta 066D;
add dev 09F3 to meta 066D;
add dev 09F4 to meta 066D;
form meta from dev 09F5 config=striped stripe_size=1920;
add dev 09F6 to meta 09F5;
add dev 09F7 to meta 09F5;
add dev 09F8 to meta 09F5;


I need the oupput to append with this echo

echo "map dev $head to dir 0:0 LUN=00;"
echo "map dev $head to dir 0:0 LUN=00;"


Code:
form meta from dev 05DF config=striped stripe_size=1920;
add dev 05E1 to meta 05DF;
add dev 0657 to meta 05DF;
add dev 066C to meta 05DF;
map dev 05DF to dir 0:0 LUN=00;
map dev 05DF to dir 0:0 LUN=00;
form meta from dev 066D config=striped stripe_size=1920;
add dev 09F2 to meta 066D;
add dev 09F3 to meta 066D;
add dev 09F4 to meta 066D;
map dev 066D to dir 0:0 LUN=00;
map dev 066D to dir 0:0 LUN=00;
form meta from dev 09F5 config=striped stripe_size=1920;
add dev 09F6 to meta 09F5;
add dev 09F7 to meta 09F5;
add dev 09F8 to meta 09F5;
map dev 09F5 to dir 0:0 LUN=00;
map dev 09F5 to dir 0:0 LUN=00;


How i can make this work on the above script
Last edited by pludi; 08-31-2011 at 06:54 AM..
 

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LEARN ABOUT DEBIAN

o2image

o2image(8)							OCFS2 Manual Pages							o2image(8)

NAME

       o2image - Copy or restore OCFS2 file system meta-data

SYNOPSIS

       o2image [-r] [-I] device image-file

DESCRIPTION

       o2image	copies	the  OCFS2  file  system  meta-data from the device to the specified image-file.  This image file contains the file system
       skeleton that includes the inodes, directory names and file names. It does not include any file data.

       This image file can be useful to debug certain problems that are not reproducible otherwise.  Like on-disk corruptions. It  could  also	be
       used to analyse the file system layout in an aging file system with an eye towards improving performance.

       As  the	image-file  contains a copy of all the meta-data blocks, it can be a large file.  By default, it is created in a packed format, in
       which all meta-data blocks are written back-to-back. With the -r option, the user could choose to have the file in the raw (or sparse) for-
       mat, in which the blocks are written to the same offset as they are on the device.

       debugfs.ocfs2 understands both formats.

       o2image	also  has  the option, -I, to restore the meta-data from the image file onto the device. This option will rarely be useful to end-
       users and has been written specifically for developers and testers.

OPTIONS

       -r     Copies the meta-data to the image-file in the raw format. Use this option only if the destination file system supports sparse files.
	      If unsure, do not use this option and let the tool create the image-file in the packed format.

       -I     Restores meta-data from the image-file onto the device. CAUTION: This option could corrupt the file system.

       -i     Interactive mode - before writing out the image file print it's size and ask whether to proceed. This setting only applies when '-I'
	      is not specified. It can be useful when the file system holding the image is low on disk space and the user might need  to  free	up
	      space once the target image size is calculated.

EXAMPLES

       [root@node1 ~]# o2image /dev/sda1 sda1.out
       Copies metadata blocks from /dev/sda1 device to sda1.out file

       [root@node1 ~] o2image -I /dev/sda1 sda1.out
       Use with CAUTION. Copies meta-data blocks from sda1.out onto the
       /dev/sda1 device.

SEE ALSO

       debugfs.ocfs2(8) fsck.ocfs2(8)

AUTHORS

       Oracle Corporation

COPYRIGHT

       Copyright (C) 2007, 2010 Oracle. All rights reserved.

Version 1.6.4							  September 2010							o2image(8)
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