Hi -
I have a database and used symbolic links in the tablespace definitions.
I just wanted to validate that I can move the database objects to a
different physical volume by the following:
1) issuing `pg_ctl stop`
2) hard copying the tablespace files from one drive to another
3) pointing the symbolic links to the new drive
4) issuing `pg_ctl start`
A semi-complete example is as follows:
#> mount /dev/snn1 /mnt/myolddrive
#> mount /dev/sno1 /mnt/mynewdrive
#> cd /mnt
#> ln -s /mnt/myolddrive mypsqllink
#> pg_ctl start
#> psql mydb -c 'CREATE TABLESPACE "mytablespacename" OWNER wtadmin LOCATION
''/mnt/mypsqllink'';'
#> psql mydb -c 'CREATE TABLE "mytable" ("mycol" int) TABLESPACE
"mytablespacename";'
#> pg_ctl stop
#> cp -r ./myolddrive ./mynewdrive
#> rm mypsqllink
#> ln -s /mnt/mynewdrive mypsqllink
#> pg_ctl start
I would think this is okay, but want to double-check before running...
Thanks!
BTW -
Linux 2.6.27.29-170.2.78.fc10.x86_64 #1 SMP Fri Jul 31 04:16:20 EDT 2009
x86_64 GNU/Linux
psql (PostgreSQL) 8.3.7
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