Difference between revisions of "Migrating a VistA/GT.M installation from one platform to another"

Latest revision as of 19:29, 30 July 2007

These are instructions for copying a GT.M SemiVivA installation from one platform to another. For this discussion, the platforms are assumed to be of different endian-ness, e.g., x86 GNU/Linux and Sun SPARC Solaris).

Notes

1. Existing SemiVivA scripts use the bash shell, and assume that it is located at /bin/bash. Modify the location if bash is located elsewhere. Edit the scripts as needed to use other shells.
2. The GT.M version in these examples is V5.2-001.
3. The steps to change the endian-ness of database files, and to create new global directories is not needed if the source and target platforms have the same endian-ness.
4. The VistA environments to be copied must be identified, along with the hierarchical structure (see Software Development (WG1) Version Control (T3)). In this example, the structure is assumed to be:
   • /usr/local/WorldVistAEHRvTEST20070616
     • /var/WorldVistAEHR
     • /home/vista/myWorldVistAEHR

Steps

• Obtain and install GT.M for the new platform in a sub-directory of /usr/local, e.g., in /usr/local/gtm_V5.2-001.

• Copy the identified directories, including subdirectories from the originating machine to the target machine. Object files (.o) should not be copied, and if they are, they should be deleted e.g., for the top level directory of each working environment (as root for the top level :

        cd <directory>
        find . -type d -name o -exec chmod u+w {} \;
        find . -name \*.o -exec rm -f {} \;

• Change the endian-ness of the database (see Technical Bulletin: GT.M Database Endian Conversion - UNIX for more information) in the top level release environment, from which other environments are derived (in this example, /usr/local/WorldVistAEHRvTEST20070616). As root:

        cd /usr/local/WorldVistAEHRvTEST20070616/gtm_V5.2-001
        chmod u+w g
        cd g
        gzip -d mumps.dat.gz
        source /usr/local/gtm_V5.2-001/gtmprofile
        mupip endiancvt mumps.dat
        gzip mumps.dat
        cd ..
        chmod a-w g

• Change the endian-ness of the database in each working environment (/var/WorldVistAEHR and /home/vista/myWorldVistAEHR in this example). As the normal user for each working environment:

        source /usr/local/gtm/gtm_V5.2-001/gtmprofile
        cd /var/WorldVistAEHR/gtm_V5.2-001/g
        mupip endiacvt mumps.dat

and

        source /usr/local/gtm/gtm_V5.2-001/gtmprofile
        cd /home/vista/myWorldVistAEHR/gtm_V5.2-001/g
        mupip endiacvt mumps.dat

• Replace the global directory in the top level release environment. As root:

        source /usr/local/gtm_V5.2-001/gtmprofile
        cd /usr/local/WorldVistAEHRvTEST20070616/gtm_V5.2-001
        chmod u+w g
        cd g
        rm mumps.gld
        mumps -run ^GDE
        change -segment DEFAULT -block=4096 -alloc=75000 -ext=2000 -glob=2048 -file=$vista_home/$gtmver/g/mumps.dat
        change -region DEFAULT -rec=4080 -key=255 -std
        exit
        cd ..
        chmod -R a-w g

• Copy this global directory file to each working environment. As the normal user for each environment:

        rm -f /var/WorldVistAEHR/gtm_V5.2-001/g/mumps.gld
        cp /usr/local/WorldVistAEHRvTEST20070616/gtm_V5.2-001/g/mumps.gld /var/WorldVistAEHR/gtm_V5.2-001/g/

and

        rm -f /home/vista/myWorldVistAEHR/gtm_V5.2-001/g/mumps.gld
        cp /usr/local/WorldVistAEHRvTEST20070616/gtm_V5.2-001/g/mumps.gld /home/vista/myWorldVistAEHR/gtm_V5.2-001/g/

• Recompile the object files in the top level release environment (ignore compilation errors; remember that some directories may not be empty this script takes care of the general case where there may be files in the different source directories). As root:

        source /usr/local/gtm_V5.2-001/gtmprofile
        cd /usr/local/WorldVistAEHRvTEST20070616/gtm_V5.2-001
        chmod u+w o
        cd o
        find ../../r -type f -name \*.m -print -exec mumps {} \;
        find ../../p -type f -name \*.m -print -exec mumps {} \;
        find ../r -type f -name \*.m -print -exec mumps {} \;
        find ../p -type f -name \*.m -print -exec mumps {} \;
        cd ..
        chmod -R a-w o
        cd add-ons
        chmod u+w o
        cd o
        mumps ../../../add-ons/*/{r,p}/*.m
        mumps ../*/{r,p}/*.m
        cd ..
        chmod -R a-w o

• Object files in the working environments will be automatically recompiled as needed. In the event you wish to recompile them, e.g., to not see compilation errors when using VistA, do the following as the normal user in each environment (ignore compilation errors and complaints about files not found):

        source /usr/local/gtm/gtm_V5.2-001/gtmprofile
        cd /var/WorldVistAEHR/gtm_V5.2-001/o
        mumps ../../{r,p}/*.m
        mumps ../{r,p}/*.m
        cd ../add-ons/o
        mumps ../../../add-ons/{r,p}/*.m
        mumps ../*/{r,p}/*.m

and

        source /usr/local/gtm/gtm_V5.2-001/gtmprofile
        cd /home/vista/myWorldVistAEHR/gtm_V5.2-001/o
        mumps ../../{r,p}/*.m
        mumps ../{r,p}/*.m
        cd ../add-ons/o
        mumps ../../../add-ons/{r,p}/*.m
        mumps ../*/{r,p}/*.m

• Create new journal files in each working environment. As the normal user for each environment:

        source /usr/local/gtm/gtm_V5.2-001/gtmprofile
        cd /var/WorldVistAEHR/gtm_V5.2-001/g
        mupip set -journal="enable,on,before" -file mumps.dat
        rm mumps.mjl_*

and

        source /usr/local/gtm/gtm_V5.2-001/gtmprofile
        cd /home/vista//myWorldVistAEHR/gtm_V5.2-001/g
        mupip set -journal="enable,on,before" -file mumps.dat
        rm mumps.mjl_*

• Verify each environment. As the normal user for each environment:

        /var/WorldVistAEHR/gtm_V5.2-001/run

and

        /home/myvista/myWorldVistAEHR/gtm_V5.2-001/run