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<p class="MsoNormal"><span style="color:#1F497D">We have a culprit!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">We did it!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">We have an OME function which created an optimizedb call. It relied on doing a system(shellScript.sh). The trouble was that this database was moved to a new installation and the shellScript.sh did not make the
trip.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">As a consequence it then returned ‘sh: …/shellScript.sh:
</span><span class="text2"><span lang="EN" style="font-size:11.5pt;color:#282828">No such file or directory’ and somehow managed to write that information over the data file.
<o:p></o:p></span></span></p>
<p class="MsoNormal"><span class="text2"><span lang="EN" style="font-size:11.5pt;color:#282828"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I am moving that script into position on the new installation as well as adding a stat() call to the OME so that it checks to see if the script exists and is executable.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Marty<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">PS. I’m actually a *<b>LOT</b>* happier about finding this out. A mystery disk corruption really gnaws at your confidence.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Paul White [mailto:paul.white@shift7solutions.com.au]
<br>
<b>Sent:</b> 10 October 2018 08:49<br>
<b>To:</b> info-ingres@lists.planetingres.org<br>
<b>Subject:</b> Re: [Info-ingres] W_DM500C_ORPHAN_DATA_PAGE<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">Hi Marty,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">Is key compression stable?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">About a year ago I worked on a problem in 10.2 where a simple transaction rollback left the DB inconsistent.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">The work around was to avoid using key compression on an index.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">Original issue: a normal operational transaction roll back failed.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM0055_NONEXT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM968E_DMVE_BTREE_FIND<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM968F_DMVE_BID_CHECK
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM964E_DMVE_BTREE_PUT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM967A_DMVE_UNDO<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM9639_DMVE_UNDO<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM9509_DMXE_PASS_ABORT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM0055_NONEXT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM968E_DMVE_BTREE_FIND<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM968F_DMVE_BID_CHECK<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM964E_DMVE_BTREE_PUT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM967A_DMVE_UNDO<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM9639_DMVE_UNDO<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM943A_APPLY_UNDO<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM943E_RCP_DBUNDO_ERROR<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM943B_RCP_DBINCONSISTENT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_CL0F0F_LG_DB_INCONSISTENT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">Then cycling<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM900C_BAD_LOG_BEGIN<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM9500_DMXE_BEGIN
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_CL0F0F_LG_DB_INCONSISTENT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM900C_BAD_LOG_BEGIN<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM9500_DMXE_BEGIN<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">So I tried Rollforwarddb but failed with
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM943E_RCP_DBUNDO_ERROR<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM943B_RCP_DBINCONSISTENT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_CL0F0F_LG_DB_INCONSISTENT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM0152_DB_INCONSIST_DETAIL<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM9015_BAD_LOG_WRITE
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM9215_DM0L_PUT Error
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM0100_DB_INCONSISTENT
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">and<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM9352_BAD_DMP_NOT_FOUND
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">E_DM1307_RFP_RESTORE<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">Our Ingres support guru had a magic parameter for rollforwardb which allowed us to restore all but inconsistent index. Dropped and recreated the index to fix the problem.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">So, we don’t use key compression.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D">Paul<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> info-ingres-bounces@lists.planetingres.org [mailto:info-ingres-bounces@lists.planetingres.org]
<b>On Behalf Of </b>Martin Bowes<br>
<b>Sent:</b> Wednesday, 10 October 2018 5:12 PM<br>
<b>To:</b> Laframboise, André (BAC/LAC); info-ingres@lists.planetingres.org<br>
<b>Subject:</b> Re: [Info-ingres] W_DM500C_ORPHAN_DATA_PAGE<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-AU"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">We tried.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">It didn’t.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I was disappointed.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Marty</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Laframboise, André (BAC/LAC) [mailto:andre.laframboise@canada.ca]
<br>
<b>Sent:</b> 09 October 2018 13:53<br>
<b>To:</b> Martin Bowes; info-ingres@lists.planetingres.org<br>
<b>Subject:</b> Re: [Info-ingres] W_DM500C_ORPHAN_DATA_PAGE</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#1F497D">Hi,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#1F497D">Errors look related to an indexing structure problem. Data pages themselves seem to be intact. A verifydb –table operation may have also fixed it.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-CA" style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="FR-CA" style="color:black">André Laframboise<br>
<br>
Conseiller Principal Base de Données, Direction générale de l'Innovation et du Dirigeant principal de l'information<br>
</span><span lang="EN-CA" style="color:black"><a href="http://www.bac-lac.gc.ca/fra/Pages/bac-web.aspx"><span lang="FR-CA">Bibliothèque et Archives Canada</span></a></span><span lang="FR-CA" style="color:black"> / Gouvernement du Canada
<br>
</span><span lang="EN-CA" style="color:black"><a href="mailto:andre.laframboise@canada.ca"><span lang="FR-CA">andre.laframboise@canada.ca</span></a></span><span lang="FR-CA" style="color:black"> / Tél. : 613-298-1346<br>
<br>
Senior Database Advisor, Innovation and Chief Information Officer Branch<br>
</span><span lang="EN-CA" style="color:black"><a href="http://www.bac-lac.gc.ca/eng/Pages/lac-web.aspx"><span lang="FR-CA">Library and Archives Canada</span></a></span><span lang="FR-CA" style="color:black"> / Government of Canada<br>
</span><span lang="EN-CA" style="color:black"><a href="mailto:andre.laframboise@canada.ca"><span lang="FR-CA">andre.laframboise@canada.ca</span></a></span><span lang="FR-CA" style="color:black"> / Tel: 613-298-1346<br>
<br>
</span><span lang="EN-AU" style="border:solid windowtext 1.0pt;padding:0cm"><a href="http://www.bac-lac.gc.ca/eng/events/Pages/events.aspx"><span style="text-decoration:none"><img border="0" width="320" height="112" id="Picture_x0020_6" src="cid:image001.jpg@01D4615C.012A4560" alt="Image removed by sender. http://www.bac-lac.gc.ca/eng/events/PublishingImages/banner.jpg"></span></a></span><span lang="FR-CA" style="color:black"><br>
</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> info-ingres-bounces@lists.planetingres.org <info-ingres-bounces@lists.planetingres.org>
<b>On Behalf Of </b>Martin Bowes<br>
<b>Sent:</b> Monday, October 8, 2018 6:46 AM<br>
<b>To:</b> Martin Bowes <martin.bowes@ndph.ox.ac.uk>; info-ingres@lists.planetingres.org<br>
<b>Subject:</b> Re: [Info-ingres] W_DM500C_ORPHAN_DATA_PAGE</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-CA"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">And an addendum…</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I copied the data to disk and loaded it into a temp database. The expected number of rows came with it and the verifydb said the same thing on the temp database.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I modified the table to reconstruct with nocompression and the verifydb problem disappeared.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">So I’ve decided that the message is probably more incendiary than real.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Marty</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Martin Bowes [<a href="mailto:martin.bowes@ndph.ox.ac.uk">mailto:martin.bowes@ndph.ox.ac.uk</a>]
<br>
<b>Sent:</b> 08 October 2018 10:51<br>
<b>To:</b> <a href="mailto:info-ingres@lists.planetingres.org">info-ingres@lists.planetingres.org</a><br>
<b>Subject:</b> [Info-ingres] W_DM500C_ORPHAN_DATA_PAGE</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Hi All,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Recently had a need to run verifydb over every table in a database. How concerned should I be about:<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">W_DM502B_INVALID_BT_KIDS WARNING: index/leaf page 1 is unreadable because bt_kids has invalid value<o:p></o:p></p>
<p class="MsoNormal">of 511. (Valid values range from 0 to 510.)<o:p></o:p></p>
<p class="MsoNormal">…<o:p></o:p></p>
<p class="MsoNormal">W_DM500C_ORPHAN_DATA_PAGE WARNING: data page 326618 is an unreferenced page (or orphan). All data on this<o:p></o:p></p>
<p class="MsoNormal">page or any overflow pages chained to it is effectively lost.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">How concerned should I be given these are warnings?<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">The table in question is a btree unique. It has data and key compression.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Martin Bowes<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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