Re: Installation / Migration on Linux with 9.4 (large chunks)

tbarth@barth-rz.de wrote: > I have a question regarding IDS 9.4. Using our current 7.31 we have > 2 gig chunks for the db. Now we plan to move to 9.4. How can we > migrate the system from 2 gig to 8 gig chunks, convert and use > again without problems. Any guidelines available? Any advice? I've not seen any responses... It depends on your requirements. If chunk 0 of your root dbspace must also be resized, you are looking at a complete unload and reload of the system, I think. Assuming you aren't 100% fanatical about increasing the size of chunk 0 of the root dbspace, then you can add the new large chunks, migrate the data into them (alter fragment), and then drop the old ones. If the new big chunks must be built on disk space already occupied by 'small' (2GB) chunks, then I think you are back to unload and reload operations -- you need enough spare space to copy the data around. -- Jonathan Leffler #include <disclaimer.h> Email: jleffler@earthlink.net, jleffler@us.ibm.com Guardian of DBD::Informix v2003.04 -- http://dbi.perl.org/