Dear listmembers,
I need to move
/var/lib/postgresql/8.4/main
from the / partion to another disc.
Based on the
http://wiki.postgresql.org/wiki/Simple_Configuration_Recommendation#File_System_Layouts
I plan the following.
0.) Mount new pgroot, are there any hints for the mount command?
mount -t ext4 -o noatime,nodiratime,nodev,noexec,nosuid /dev/sde1
/pgroot
output from mount
/dev/sde1 on /pgroot type ext4
(rw,nosuid,nodev,noexec,noatime,nodiratime,barrier=1,data=ordered)
1.) create a full backup of the current DB
/usr/bin/pg_dumpall --file=/tmp/backup_before_part_move.tar
--format=tar --oids --verbose --username=postgres
2.) Stop the database and the Apps which use the DB
/etc/init.d/postgresql stop
....
3.) copy the current /var/lib/postgresql/8.4/main to the new dir as
user postgres
cd /var/lib/postgresql/
tar cvf - . | (cd /pgroot/pgdata && tar xvf -)
4.) sync filesystems
sync
5.) change data_directory to /pgroot/pgdata/8.4/main
6.) Start postgres
/etc/init.d/postgresql start
OS: ubuntu 11.04
PG: postgresql-8.4 8.4.14-0ubuntu11.04
Please can anybody take a look about my planned process and tell me if
I have
forgotten something and maybe point me to the right Doc, thanks.
Thanks for feedback.
Best regards
Aleks
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