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<div>FWIW, my contact said to do everything, even client only clusters.</div>
<div><span>
<pre>-- <br></pre>
<div>Jonathan Fosburgh</div>
<div>Principal Application Systems Analyst</div>
<div>Storage Team</div>
<div>IT Operations</div>
<div><a href="mailto:jfosburg@mdanderson.org">jfosburg@mdanderson.org</a></div>
<div>(713) 745-9346</div>
</span></div>
<div><br>
</div>
<div>-----Original Message-----</div>
<div><br>
</div>
<div><b>Date</b>: Fri, 24 Feb 2017 15:25:14 +0000</div>
<div><b>Subject</b>: Re: [gpfsug-discuss] Fw: Flash (Alert) IBM Spectrum Scale V4.2.1/4.2.2 parallel log recovery function may result in undetected data corruption</div>
<div><b>To</b>: gpfsug main discussion list <<a href="mailto:gpfsug%20main%20discussion%20list%20%3cgpfsug-discuss@spectrumscale.org%3e">gpfsug-discuss@spectrumscale.org</a>></div>
<div>Reply-to: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org></div>
<div><b>From</b>: Bryan Banister <<a href="mailto:Bryan%20Banister%20%3cbbanister@jumptrading.com%3e">bbanister@jumptrading.com</a>></div>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I just got word that you only need to update the active file system manager node… I’ll let you know if I hear differently,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">-Bryan<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> gpfsug-discuss-bounces@spectrumscale.org [mailto:gpfsug-discuss-bounces@spectrumscale.org]
<b>On Behalf Of </b>Sanchez, Paul<br>
<b>Sent:</b> Friday, February 24, 2017 9:16 AM<br>
<b>To:</b> gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
<b>Subject:</b> Re: [gpfsug-discuss] Fw: Flash (Alert) IBM Spectrum Scale V4.2.1/4.2.2 parallel log recovery function may result in undetected data corruption<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Can anyone from IBM confirm whether this only affects manager nodes or if parallel log recovery is expected to happen on any other nodes?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thx<br>
Paul<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif">
<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a> [<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">mailto:gpfsug-discuss-bounces@spectrumscale.org</a>]
<b>On Behalf Of </b>Bryan Banister<br>
<b>Sent:</b> Friday, February 24, 2017 9:08 AM<br>
<b>To:</b> gpfsug main discussion list<br>
<b>Subject:</b> Re: [gpfsug-discuss] Fw: Flash (Alert) IBM Spectrum Scale V4.2.1/4.2.2 parallel log recovery function may result in undetected data corruption<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Has anyone been hit by this data corruption issue and if so how did you determine the file system had corruption?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">-Bryan<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a> [<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">mailto:gpfsug-discuss-bounces@spectrumscale.org</a>]
<b>On Behalf Of </b>Oesterlin, Robert<br>
<b>Sent:</b> Thursday, February 23, 2017 9:46 AM<br>
<b>To:</b> gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>><br>
<b>Subject:</b> [gpfsug-discuss] Fw: Flash (Alert) IBM Spectrum Scale V4.2.1/4.2.2 parallel log recovery function may result in undetected data corruption<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">For those not subscribed, see below.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif">Bob Oesterlin<br>
Sr Principal Storage Engineer, Nuance<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-family:"Calibri",sans-serif;color:black">From:
</span></b><span style="font-family:"Calibri",sans-serif;color:black">"<a href="mailto:dW-notify@us.ibm.com">dW-notify@us.ibm.com</a>" <<a href="mailto:dW-notify@us.ibm.com">dW-notify@us.ibm.com</a>><br>
<b>Reply-To: </b>"<a href="mailto:dW-notify@us.ibm.com">dW-notify@us.ibm.com</a>" <<a href="mailto:dW-notify@us.ibm.com">dW-notify@us.ibm.com</a>><br>
<b>Date: </b>Thursday, February 23, 2017 at 9:42 AM<br>
<b>Subject: </b>[EXTERNAL] [Forums] 'gpfs@us.ibm.com' replied to the 'IBM Spectrum Scale V4.2.2 announcements' topic thread in the 'General Parallel File System - Announce (GPFS - Announce)' forum.<o:p></o:p></span></p>
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<span style="font-size:11.5pt;font-weight:normal"><img border="0" width="16" height="16" id="_x0000_i1025" src="cid:1487950179.36938.0.camel@mdanderson.org" data-inlinedata-name="image001.png"> <span class="vcard"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ibm.com_developerworks_community_profiles_html_profileView.do-3Fuserid-3D060000T9GF&d=DgMFaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=VnicQ7hM5kAbUhEZZxbyL6g9pAlwAYXG0f12gJWrEew&s=TdzECmVhE3t4jdrNWogfBMSo8vgP_met3YTFRRdJARc&e=" title="Open the profile of gpfs@us.ibm.com.">gpfs@us.ibm.com</a></span>
replied to the <a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.ibm.com_developerworks_community_forums_html_topic-3Fid-3Da1939921-2D633b-2D4a45-2D8f0f-2D8f9181fc2bc5&d=DgMFaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=VnicQ7hM5kAbUhEZZxbyL6g9pAlwAYXG0f12gJWrEew&s=DPv9xlNyJnRXkqQPzn7f9lieOuJi5GHz3HRuN7MhFXA&e=" title="Open original item">
IBM Spectrum Scale V4.2.2 announcements</a> topic thread in the <a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.ibm.com_developerworks_community_forums_html_forum-3Fid-3D11111111-2D0000-2D0000-2D0000-2D000000001606&d=DgMFaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=VnicQ7hM5kAbUhEZZxbyL6g9pAlwAYXG0f12gJWrEew&s=NYTL-LzWTlb2LrZOkD1DwKonf9YHX5ujTpJYQmfQYiE&e=" title="Open original item">
General Parallel File System - Announce (GPFS - Announce)</a> forum.<o:p></o:p></span></h1>
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<p class="MsoNormal"><span style="font-size:9.5pt">Flash (Alert) IBM Spectrum Scale V4.2.1/4.2.2 parallel log recovery function may result in undetected data corruption Abstract
<o:p></o:p></span></p>
<p><span style="font-size:9.5pt">IBM has identified a problem with the IBM Spectrum Scale parallel log recovery function in V4.2.1/V4.2.2, which may result in undetected data corruption during the course of a file system recovery.
<o:p></o:p></span></p>
<p><span style="font-size:9.5pt"> <o:p></o:p></span></p>
<p><span style="font-size:9.5pt">See the complete Flash at <a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www-2D01.ibm.com_support_docview.wss-3Fuid-3Dssg1S1009965&d=DgMFaQ&c=djjh8EKwHtOepW4Bjau0lKhLlu-DxM1dlgP0rrLsOzY&r=LPDewt1Z4o9eKc86MXmhqX-45Cz1yz1ylYELF9olLKU&m=VnicQ7hM5kAbUhEZZxbyL6g9pAlwAYXG0f12gJWrEew&s=GZ88LDgDtQk90LnHRUEAuf08BL83oSKb0NFcUH-j5mU&e=">
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1009965</a><o:p></o:p></span></p>
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