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33. Appendix M: Disk System Documenter

This shell script was very kindly provided by Steffen Hulegaard. Run it as root (superuser) and it will generate a summary of your disk setup. Run it after you have implemented your design and compare it with what you designed to check for mistakes. Should your system develop defects this document will also be a useful starting point for recovery.

#!/bin/bash
#$Header$
#
# makediskdoc               Collects storage/disk info via df, mount,
#                           /etc/fstab and fdisk.  Creates a single
#                           reference file -- /root/sysop/doc/README.diskdoc
#                           Especially good for documenting storage
#                           config/partioning
#
# 11/11/1999  SC Hulegaard  Created just before RedHat 5.2 to
#                           RedHat 6.1 upgrade
# 12/31/1999  SC Hulegaard  Added sfdisk -glx usage just prior to
#                           collapse of my Quantum Grand Prix (4.3 Gb)
#
# SEE ALSO  Other /root/bin/make*doc commands to produce other /root/sysop/doc/README.*
#           files.  For example, /root/bin/makenetdoc.
#
FILE=/root/sysop/doc/README.diskdoc
echo Creating $FILE ...
echo ' ' > $FILE
echo $FILE >> $FILE
echo Produced By $0 >> $FILE
echo `date` >> $FILE
echo ' ' >> $FILE
echo $Header$ >> $FILE
echo ' ' >> $FILE
echo DESCRIPTION:  df -a >> $FILE
df -a >> $FILE 2>&1
echo ' ' >> $FILE
echo DESCRIPTION:  df -ia >> $FILE
df -ia >> $FILE 2>&1
echo ' ' >> $FILE
echo DESCRIPTION:  mount >> $FILE
mount >> $FILE 2>&1
echo ' ' >> $FILE
echo DESCRIPTION:  /etc/fstab >> $FILE
cat /etc/fstab >> $FILE
echo ' ' >> $FILE
echo DESCRIPTION:  sfdisk -s disk device size summary >> $FILE
sfdisk -s >> $FILE
echo ' ' >> $FILE
echo DESCRIPTION:  sfdisk -glx info for all disks listed in /etc/fstab >> $FILE
for x in `cat /etc/fstab | egrep /dev/[sh] | cut -c 0-8 | uniq`; do
  echo ' ' >> $FILE
  echo $x ============================= >> $FILE
  sfdisk -glx $x >> $FILE
done
echo ' ' >> $FILE
echo DESCRIPTION:  fdisk -l info for all disks listed in /etc/fstab >> $FILE
for x in `cat /etc/fstab | egrep /dev/[sh] | cut -c 0-8 | uniq`; do
  echo ' ' >> $FILE
  echo $x ============================= >> $FILE
  fdisk -l $x >> $FILE
done
echo ' ' >> $FILE
echo DESCRIPTION:  dmesg info on both sd and hd drives >> $FILE
dmesg | egrep [hs]d[a-z] >> $FILE
echo '' >> $FILE
echo Done >> $FILE
echo Done
exit

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