Installation guide

2. An upgrade period, typically performed over a weekend, during which the IMPAX software
and database are upgraded from the previous to the new version.
After the upgrade period, users switch over to using the new version exclusively.
With a parallel migration, by contrast, both the previous and the upgraded versions of IMPAX run
simultaneously for a period of time, which could last weeks or months. Cluster linking is deployed
to keep the two clusters in synchronicity with each other. Parallel migrations require that a new
Database Server be deployed (rather than upgrading the existing one). Downtime is greatly reduced,
and users transition more gradually from the previous system to the new version.
When using direct attached archives, it can take a long time to move the archive data from that
system to a new HSM archive. Therefore, it becomes necessary to use a parallel migration approach.
(Direct attached archives are not supported in IMPAX 6.5.3.)
DAA consolidation
(Topic number: 123304)
A Direct Attached Archive (DAA) is a non-networked long-term storage device directly connected
to a server. IMPAX 6.4 and later versions do not support DAA. Therefore, all legacy IMPAX systems
with DAA that upgrade to IMPAX 6.5.3 must migrate the obsolete DAA to a network-based archive;
that is, to DICOM PACS Store and Remember or to HSM archiving.
Different methods exist of transitioning the legacy IMPAX cluster to the new archiving method.
Tools are available to aid in the effort.
Parallel Migration Tool Set (PMTS) and Volume
Migration Tool (VMT)
(Topic number: 124892)
With any IMPAX upgrade, you must use some of the tools and scripts included with the IMPAX 6.5.3
Migration Toolbox to extract relevant database information and upgrade the database schema. The
IMPAX migration tools are in a dedicated Migration CD ISO.
When having to convert DAA (direct attached archive) entries—no longer supported in
IMPAX 6.5.3—to PACS Store and Remember and HSM archiving (which is supported), two
additional tools are required:
1. Parallel Migration Tool Set (PMTS), which includes scripts to convert DAA entries to PACS
Store and Remember archiving, and which de-references and re-references all of the cache and
archive locations, and update all relevant database tables.
2. Volume Migration Tool (VMT), which performs the archive migration from the direct attached
archive to HSM.
These tools are available from Agfa. They are not distributed with IMPAX.
AS300 Preparing to Upgrade Guide—IMPAX 4.5, 5.2, 5.3,or WEB1000 to IMPAX 6.5.3 14
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