Difference between revisions of "Migrating a linux root partiton"
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=Rsync= | =Rsync= | ||
| − | A method for a backup that checks, if the selected partition is mounted: | + | A method for a backup that checks, if the selected partition is mounted. It further checks if there is a file with a special name (here: itsroot) assuring that it is the right partition. |
mkdir -p /${ROOTDIR} | mkdir -p /${ROOTDIR} | ||
| Line 41: | Line 41: | ||
rsync -a --progress --delete /${ROOTDIR}/. /${BACKUPDIR}/${ROOTDIR}/. | rsync -a --progress --delete /${ROOTDIR}/. /${BACKUPDIR}/${ROOTDIR}/. | ||
| + | |||
| + | from a personal backup script. | ||
| + | |||
| + | [[Category:Filesystem]] | ||
| + | [[Category:Ubuntu]] | ||
Latest revision as of 19:46, 8 January 2012
TAR
A method that only copies files and dirories from root "/":
$ mkfs -t ext2 /dev/hda4 $ mkdir /mnt/temp $ mount -t ext2 /dev/hda4 /mnt/temp $ cd / $ tar lcf - .|(cd /mnt/temp; tar xpvf - )
from Linux and XFS HowTo
Rsync
A method for a backup that checks, if the selected partition is mounted. It further checks if there is a file with a special name (here: itsroot) assuring that it is the right partition.
mkdir -p /${ROOTDIR}
if test -e /${ROOTDIR}/itsroot
then echo ${ROOTDEV} already mounted as /${ROOTDIR}...
echo ---------------------------------------------------------------
else
if mount -rv ${ROOTDEV} /${ROOTDIR}
then echo - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
echo Mounted ${ROOTDEV} on /${ROOTDIR} ...
echo ---------------------------------------------------------------
else
if mount -r -o bind / /${ROOTDIR}
then echo - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
echo Mounted ${ROOTDEV} on /${ROOTDIR} VIA BIND - OK.
echo ---------------------------------------------------------------
if test -e /${ROOTDIR}/itsroot
then echo Seams to be the right directory - OK.
else echo ERROR mounting ${ROOTDEV} on /${ROOTDIR};clear; canceled;
fi
else echo ERROR mounting ${ROOTDEV} on /${ROOTDIR};clear; canceled;
fi
fi
fi
rsync -a --progress --delete /${ROOTDIR}/. /${BACKUPDIR}/${ROOTDIR}/.
from a personal backup script.