We have nearly 200
GB of data in a production Oracle database broken up into about 100
files of 2 GB. The database incurrs a 5% change per week in the form
of new data, no modification nor deletions. I need to copy this data from
one mount point to another then bring up the new database on the new mount
point in place of the original. The high availability and production
nature of this system means that my maintenance windows are few and far
between. To minimize my use of the maint window, I would like to pre-copy
as much data as I can with RSYNC before the window, then do a final sync of the
data during the window with the database down. My question is, will RSYNC
be a good option given that the Oracle database is up and running for the
initial sync? I'm hoping that RSYNC will be an option for us, as other
mirroring strategies I have seen rely upon same size disk devices/partitions,
which we do not want because the goal is to put up a single device larger
area to keep this data. Please ignore the gaping holes for ideas such as
just having Oracle use another mount point in addition to the one it is already
using or online VG expansions.
David Poe
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