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Correct Handling of Segmented Files During Automatic Recovery

10 June 2009

Affected Builds: All builds prior to 090610
Criteria: Segmented file, Automatic recovery after a failed c‑treeACE Server process
Indications: Renamed file segments

During automatic recovery of a failed c‑treeACE process, existing file segments were renamed and thus subsequently not available to the application resulting in apparent missing data. During recovery, an attempt is made to open all segments of a segmented file found in the transaction logs. To open the segments, the segment definition resource must be read from the primary segment. However, an internal file map attribute had not been initialized resulting in a failed call. This failed call caused the recovery process to believe the additional segments did not exist. When later attempting to create the file segment, and that segment already existed, c‑treeACE then renamed the segment. The uninitialized attributes are now properly assigned avoiding this potential incorrect renaming of segmented files.

FairCom customers on current maintenance can request an updated V9 server line at any time. Please contact your nearest FairCom office should you have any concerns that you are impacted by this update.

Since its inception in 1979, Software Technology, Inc. (STI) has been developing, marketing, selling and supporting computer software for the legal and accounting markets. STI develops Tabs3, one of the most widely used professional time and billing systems in the North America. Professionals in solo, small and medium sized firms have depended on Tabs3 for their timekeeping, billing and reporting needs. A complementary product to Tabs3 is STI's PracticeMaster practice management system. This powerful application has been highly acclaimed for its flexible customization and integration capabilities, and is considered one of the best practice management systems on the market today.

STI has used c-tree Plus for their data management needs for many years. Their applications use a blend of FairCom's peer-to-peer and client/server models. The flexibility of FairCom's technology allows STI to deliver the operational model that best suits the needs of individual customers.

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