ZFS script to take backup

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# Ayotunde ITAYEMI (28-July-2009) and Modify for this backup by Lloyd Johnson

# Please modify if deployed on another system or if the configuration

# of this system changes

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# Areas to modify (zfs list )file system : Note  during the installation make sure, that the directory #make /root must be check before installation, if that path is there, the script cannot execute, #however you can delete it or change the path from your script. AERAS marked with red must be #check before executing the script.

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Restoring  ZFS file system

# NOTE: I have commented out the backup for mmp01pool since that's

# the temporary location in which rpool will be backed up to

# the backup administrator MUST remember to take the backup

# of the mmp01pool as the ZONE O/S resides in that pool

#

# alternatively, change the BACKUPLOCATION to a mounted external (NFS) filesyste

m

# then uncomment the commented steps for backing up the mmp01pool zpool.

#


HOSTNAME=`hostname`

DATE=`date +%d%m%Y`

#BACKUPLOCATION=/mmp01pool/$HOSTNAME.OS.BACKUP.$DATE

BACKUPLOCATION=/tmp/osbackup/$HOSTNAME.OS.BACKUP.$DATE

# directory to mount your backup location

mkdir /tmp/osbackup

# The backup Location i use nfs, use can be different

mount -f nfs 172.16.103.47:/vol/bkup4unixtest/ /tmp/osbackup

if [ $? != 0 ]

then

# mount of backup destination failed. Abort backup

   exit

fi


mkdir $BACKUPLOCATION

#This path must not be there, check from cd / delete it or change the location

mkdir /root

cd /root


# Save various details about O/S storage configuration:

echo "O/S storage configuration ...." > $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "\nzpool list" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zpool list >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "\nzpool status" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zpool status >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "\nzfs list" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs list >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

 

# Take a copy of the properties that are set in the rpool and all filesystems associated with it:


zpool get all rpool >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all rpool >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all rpool/ROOT >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all rpool/ROOT/s10s_u7wos_08 >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all rpool/ROOT/s10s_u7wos_08/var >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all rpool/dump >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all rpool/export >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all rpool/export/home >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all rpool/swap >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt


# ZONE pool (include filesystem for mmp01lz ZONE)

# Take a copy of the properties that are set in the mmp01pool and all filesystems associated with it:

# ---------------- applies to mmp01gz ----------------------------

zpool get all mmp01pool >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all mmp01pool >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all mmp01pool/mmp01lz >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

zfs get all mmp01pool/oracleapps >> $HOSTNAME.zfs.zpools.props.$DATE.txt

echo "" >> $HOSTNAME.zfs.zpools.props.$DATE.txt

# ---------------- end applies to mmp01gz ------------------------

 

# Prepare TEMPORARY! backup location

#mkdir $BACKUPLOCATION


cp $HOSTNAME.zfs.zpools.props.$DATE.txt $BACKUPLOCATION/


# Actually take the Backups

# I will take the backup of the zpools (rpool) to mmp01pool/

# then move them out and then take the backup of mmp01pool/ to somewhere else


# Preparation - destroy existing snapshots????

zfs destroy rpool@backup

zfs destroy rpool/ROOT@backup

zfs destroy rpool/ROOT/s10s_u7wos_08@backup

zfs destroy rpool/ROOT/s10s_u7wos_08/var@backup

zfs destroy rpool/export@backup

zfs destroy rpool/export/home@backup


zfs destroy mmp01pool@backup

zfs destroy mmp01pool/mmp01lz@backup

zfs destroy mmp01pool/oracleapps@backup

 

# Now snapshot the rpools with a suitable snapshot name:

zfs snapshot -r rpool@backup

zfs snapshot -r mmp01pool@backup


# Destroy the SWAP and DUMP snapshots - they don't need to be backed up

zfs destroy rpool/swap@backup

zfs destroy rpool/dump@backup


# For each filesystem, send the data to a suitable backup file/location.

zfs send -v rpool@backup > $BACKUPLOCATION/$HOSTNAME.rpool.$DATE.dump

zfs send -v rpool/ROOT@backup > $BACKUPLOCATION/$HOSTNAME.rpool.ROOT.$DATE.dump

zfs send -vR rpool/ROOT/s10s_u7wos_08@backup > $BACKUPLOCATION/$HOSTNAME.rpool.ROOT.s10s_u7wos_08.$DATE.dump

zfs send -v rpool/ROOT/s10s_u7wos_08/var@backup > $BACKUPLOCATION/$HOSTNAME.rpool.ROOT.s10s_u7wos_08.var.$DATE.dump

zfs send -v rpool/export@backup > $BACKUPLOCATION/$HOSTNAME.rpool.export.$DATE.dump

zfs send -v rpool/export/home@backup > $BACKUPLOCATION/$HOSTNAME.rpool.export.home.$DATE.dump

 

# Now snapshot the mmp01pool with a suitable snapshot name:

# backup mmp01pool

zfs send -v mmp01pool@backup > $BACKUPLOCATION/$HOSTNAME.mmp01pool.$DATE.dump

zfs send -v mmp01pool/mmp01lz@backup > $BACKUPLOCATION/$HOSTNAME.mmp01pool.mmp01lz.$DATE.dump

zfs send -v mmp01pool/oracleapps@backup > $BACKUPLOCATION/$HOSTNAME.mmp01pool.oracleapps$DATE.dump


# Cleaning up - destroy snapshotss?????

zfs destroy rpool@backup

zfs destroy rpool/ROOT@backup

zfs destroy rpool/ROOT/s10s_u7wos_08@backup

zfs destroy rpool/ROOT/s10s_u7wos_08/var@backup

zfs destroy rpool/export@backup

zfs destroy rpool/export/home@backup


zfs destroy mmp01pool@backup

zfs destroy mmp01pool/mmp01lz@backup

zfs destroy mmp01pool/oracleapps@backup

 

# Transfer backup files off system

# will stop script run and prompt for password unless using password-less authentication:  ssh user equivalence with RSA/DSA keys

# scp -r $BACKUPLOCATION jlloyd@172.16.65.32:/test


Scp –r $BACKUPLOCATION jlloyd@172.16.65.32:/test


umount /tmp/osbackup

rmdir /tmp/osbackup


# END OF BACKUP SCRIPT

 

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