<div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10pt" ><div dir="ltr" ><font size="2" face="Default Monospace,Courier New,Courier,monospace" >We are working on a new & improved version of online fsck which will show up in upcoming releases. Stay tuned. </font><div> </div>
<div><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt" ><div dir="ltr" >
<div class="line1" >Mit freundlichen Grüßen / Kind regards</div>
<div class="line2" ><b>Mathias Dietz</b></div>
<div class="inner" >Spectrum Scale RAS Architect</div>
<div class="inner" >Senior Technical Staff Member (STSM)</div>
<div class="inner" >Dept. M925 - IBM Spectrum Scale Software Development</div>
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<blockquote data-history-content-modified="1" style="border-left:solid #aaaaaa 2px; margin-left:5px; padding-left:5px; direction:ltr; margin-right:0px" >----- Original message -----<br>From: "Simon Thompson" <s.j.thompson@bham.ac.uk><br>Sent by: gpfsug-discuss-bounces@spectrumscale.org<br>To: "gpfsug main discussion list" <gpfsug-discuss@spectrumscale.org><br>Cc:<br>Subject: Re: [gpfsug-discuss] [External] 5.1.2.2 changes<br>Date: Mon, Jan 17, 2022 13:27<br> <br><!--Notes ACF
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<div><p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" >My guess is … they decided it was unsafe. I’m sure I’ve seen a few release notes that have referred to mmfsck and data corruption.<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" ><o:p> </o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" >e.g.:<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" >https://www.ibm.com/support/pages/ibm-spectrum-scale-alert-all-supported-versions-may-be-affected-issue-online-mmfsck-which-may-result-file-system-corruption<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" ><o:p> </o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" >So maybe it was classified as too dangerous to leave in the field?<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" ><o:p> </o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" >Simon<o:p></o:p></span></p>
<p style="margin: 0px;" ><span style="mso-fareast-language:EN-US" ><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm" ><p style="margin: 0px;" ><b><span style="font-size:12.0pt;color:black" >From: </span></b><span style="font-size:12.0pt;color:black" >gpfsug-discuss-bounces@spectrumscale.org <gpfsug-discuss-bounces@spectrumscale.org> on behalf of Jonathan Buzzard <jonathan.buzzard@strath.ac.uk><br><b>Date: </b>Friday, 14 January 2022 at 14:38<br><b>To: </b>gpfsug-discuss@spectrumscale.org <gpfsug-discuss@spectrumscale.org><br><b>Subject: </b>Re: [gpfsug-discuss] [External] 5.1.2.2 changes<o:p></o:p></span></p></div>
<div><p style="margin: 0px;" >On 13/01/2022 17:39, mark.bergman@uphs.upenn.edu wrote:<br>[SNIP]<br>><br>> The change that I noticed most was:<br>><br>> Repair functionality of mmfsck command in online mode is deprecated<br>> The repair functionality of mmfsck command in online mode is no longer available. The report-only operation still works in the online mode.<br>><br>> While I know that mmfsck is rarely needed and has gotten much faster, deprecating the ability to do any online repairs seems<br>> like a significant regression.<br>><br><br>I would concur with that sentiment, and given it is a significant<br>regression I would suggest that it IBM should give an explanation as to<br>why functionality has been removed.<br><br>Been able to do online repairs on large file systems is when you need it<br>a complete life saver. It could be the difference between several days<br>of outage vs. end users not realizing there was even a problem.<br><br><br>JAB.<br><br>--<br>Jonathan A. Buzzard Tel: +44141-5483420<br>HPC System Administrator, ARCHIE-WeSt.<br>University of Strathclyde, John Anderson Building, Glasgow. G4 0NG<br>_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss" target="_blank">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a><o:p></o:p></p></div></div>
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