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  • %META:TOPICPARENT{name="VirtTipsAndTricksGuide"}% ---+ How do I recover from "Invalid log entry in replay" when transaction log is being replayed during server start? %TOC% ---++ Error Condition A Virtuoso transaction log file may fail to replay, with an error of the form: <verbatim> 11:42:57 Invalid log entry in replay. Delete transaction log virtuoso.trx or truncate at point of error. Valid data may exist after this record. A log record begins with bytes 193 188 5 188 0. Error at offset 13205546 11:42:57 Searching for the next valid header signature starting at 13205547 11:42:57 No valid looking header found. 11:42:57 Server exiting </verbatim> Resolution of this error varies with the kind of Virtuoso server you're running. ---++ Recovery Methods ---+++ Single-Server Deployments of both Open Source and Commercial Edition <i><b>WARNING:</b> Do not use this recovery method on Cluster Deployments of Commercial Edition.</i> This can be recovered by truncating to the transaction log to the reported error offset. Unix-like OS can use the built-in <code>dd</code> command; Windows users must first install [[http://sourceforge.net/projects/windd/][WinDD]] or [[http://www.cygwin.com/][cygwin]] to get the same functionality. Given the error above, the recovery steps on a Unix-like OS would look like -- <verbatim> # mv virtuoso.trx old.trx # dd if=old.trx of=new.trx bs=1 count=13205546 13205546+0 records in 13205546+0 records out # mv new.trx virtuoso.trx # virtuoso-iodbc-t -f </verbatim> Restarting Virtuoso should now succeed. ---+++ Replication Cluster Deployments of Commercial Edition <i>Recovery instructions coming soon! Until then, please [[http://support.openlinksw.com/support/online-support.vsp][contact Support for assistance]].</i> ---+++ Elastic Cluster Deployments of Commercial Edition <i>Recovery instructions coming soon! Until then, please [[http://support.openlinksw.com/support/online-support.vsp][contact Support for assistance]].</i>
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  • 45ef0c1300111c9977f2bc56a8094a6d
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  • 2017-06-13T05:36:24Z
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  • 2017-06-13T05:36:24Z
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