defaria.com/blogs/Status/2006/06/salira-vob-corr.html

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  73                       <li class="asset-meta-list-item">Posted on <time datetime="2006-06-27T11:18:54-08:00" itemprop="datePublished">June 27, 2006</time></li>
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  85   <li>Cleaned up Multisite Packets</li>
  86
  87   <li>Cleaned up sons-sc-cc:/Windows/temp and sons-clearcase salira vob cleartext pools due to disk space crunch</li>
  88
  89   <li>Ran dbcheck on salira vob to fix corruption</li>
  90
  91   <li>Tested changing mastership of a test branch</li>
  92 </ul>
  93
  94 <p><b>Time spend:</b> 7 hours</p>
  95                   <h3>Cleaning up Multisite Packets</h3>
  96
  97 <p>First order of business was to attempt to clean up multisite packets that reside in the shipping bays for both sons-clearcase and sons-sc-cc as much as possible. As per my prior work there seems to be huge sync packets to sync, which takes time. I wanted to attempt a chmaster on an older branch to see how that changes from sons-clearcase -&gt; sons-sc.cc.  Part of the chmaster involves informing the other replica of the change. This happens through the normal multisite syncreplica. If the bays are full of huge packets then I need to process them first. One problem I hit was running out of space on sons-sc-cc. Normally this is not a problem as there is enough space on the C drive where the vobs reside. But with these huge packets going back and forth I was running out of space. Cleaned up some space and attempt to import all packets on sons-sc-cc. I also attempted to scrub the cleartext pool on sons-clearcase, which has grown to 4 gig! The cleartext pool is a caching mechanism thus since Clearcase can reconstruct the cleartext pool at any time (cleartext is mutable) I figured I could save 4 gig.</p>
  98
  99 <h3>Testing chmaster</h3>
 100
 101 <p>Tested out that I cannot check out, and back in, and element on the rel_1.0 branch from a view on sons-sc-cc. I then attempted to transfer mastership of the rel_1.0 branch -&gt;  sons-sc-cc but received the following error:<br>
 102
 103 <div class=code><pre>
 104 <b>[ccadmin] sons-clearcase:</b><u>ct chmaster SantaClara brtype:rel_1.0@\\salira</u>
 105 cleartool: Error: Branch type "rel_1.0" has branches (with default mastership) that have outstanding checkouts.
 106 </pre></div>
 107
 108 <p>Actually there are still checkout on the rel_1.0 branch in, for example, the view YXiu_view_desktop (e.g. salira/neopon/build/makefile).</p>
 109
 110 <h3>Ran dbcheck on salira vob to fix corruption</h3>
 111
 112 <p><b>10:40 Pm:</b> Decided to give up on the testing of chmaster and get the vob fixed. Locked salira vob. Started copy of db</p>
 113
 114 <p><b>:10:43 Pm:</b> Dtarted keybuild procedure. Keybuild failed with:</p>
 115
 116 <div class=code><pre>
 117 db_VISTA Version 3.20
 118 Key File Build Utility
 119 Copyright (C) 1985-1990 Raima Corporation, All Rights Reserved
 120
 121 initializing key file: vob_db.k01
 122 initializing key file: vob_db.k02
 123 initializing key file: vob_db.k03
 124 initializing key file: vob_db.k04
 125 processing data file: vob_db.d01, total records = 3555277
 126  record:       9000
 127  record:      19000
 128  record:      29000
 129  record:      39000
 130  record:      49000
 131  record:      59000
 132  record:      69000
 133  record:      79000
 134  record:      89000
 135  record:      99000
 136  record:     109000
 137  record:     119000
 138  record:     129000
 139  record:     139000
 140  record:     149000
 141  record:     159000
 142 </pre></div>
 143
 144 <p>keybuild failed with an exit code of 58. Ran keybuild again... This seems to be going better... Did d01 file. Proceeded to work on the d02 file then (11:07 Pm):</p>
 145
 146 <div class=code><pre>
 147 record:   863000<br>
 148 *** db_VISTA database error -901 - system error
 149
 150 Bad read  863475
 151     863474processing data file vob_db.d02, total records = 1
 152
 153  record:       1
 154
 155 key file rebuild completed
 156 </pre></div>
 157
 158 <p>Hmmm... Doesn't seem like the key file rebuild was really completed. I wonder... Should I try again? Trying again...</p>
 159
 160 <p>Third times a charm they say! keybuild ran to completion but for a while it was touch and go as sons-clearcase was not responding. Now, however, I can import the packets that were stuck... Well most of them:</p>
 161
 162 <div class=code><pre>
 163 Applied sync. packet sync_SantaClara_26-Jun-06.02.00.01_5308 to VOB \\sons-clearcase\VOBs\salira.vbs
 164 Multitool.exe: Error: Database identifier (dbid) not found in database: "\salira".
 165 Multitool.exe: Error: Could not get oplog entry with order:2886884 from replica:
 166 China with oplog_id:376595: reference to non-existent ClearCase object.
 167 Multitool.exe: Error: Could not check oplog entry for divergence: reference to non-existent ClearCase object.
 168 Multitool.exe: Error: Cannot apply sync. packet sync_China_26-Jun-06.16.32.42_3292_1 to VOB replica \\sons-clearcase\VOBs\salira.vbs: reference to non-existent ClearCase object
 169 </pre></div>
 170
 171 <p>Damn. Ran syncreplica -import again and everything got processed. I'm glad it's processed but I can't help but wonder why I hit these errors...</p>
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