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Why does ClearCase Synchronizer silently miss some files?


Eric Jodet (6.3k599120) | asked Jun 08 '12, 8:23 a.m.
JAZZ DEVELOPER
edited Jun 08 '12, 9:16 p.m. by Geoffrey Clemm (29.2k23035)
Using RTC 3.0.1.3 with CC Synchronizer.
Found that upon import, some files were not imported from CC.
No error found in the build logs, but my files were not imported.
Is it a bug?

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Eric Jodet (6.3k599120) | answered Jun 08 '12, 8:25 a.m.
JAZZ DEVELOPER
After investigation, it turned out that the problematic files were hard-linked.
However - hard-links are not supported by the CC Synchronizer as not supported by the jazz SCM.
This restriction is documented here:
http://pic.dhe.ibm.com/infocenter/clmhelp/v3r0m1/topic/com.ibm.team.connector.scm.cc.doc/topics/t_import_paths.html

Note that this behavior will be improved in RTC 4.0 with the display of a warning message.

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Geoffrey Clemm commented Jun 08 '12, 9:44 p.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER

Since hard links are not supported by RTC-SCM, there is no way to store them in RTC-SCM. There is performance overhead for the Synchronizer to detect whether a file is hard-linked to another sync'ed file, but in 4.0, we figured out a way to minimize that overhead, and added that warning.

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