Re: [gpfsug-discuss] 5.1.2.2 changes
We are working on a new & improved version of online fsck which will show up in upcoming releases. Stay tuned. Mit freundlichen Grüßen / Kind regards Mathias Dietz Spectrum Scale RAS Architect Senior Technical Staff Member (STSM) Dept. M925 - IBM Spectrum Scale Software Development Phone:+49-15152801035Am Weiher 24 Email:mdi...@de.ibm.com 65451 Kelsterbach IBM Data Privacy StatementIBM Deutschland Research & Development GmbHVorsitzender des Aufsichtsrats: Gregor PillenGeschäftsführung: Dirk WittkoppSitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294 - Original message -From: "Simon Thompson" Sent by: gpfsug-discuss-boun...@spectrumscale.orgTo: "gpfsug main discussion list" Cc:Subject: Re: [gpfsug-discuss] [External] 5.1.2.2 changesDate: Mon, Jan 17, 2022 13:27 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. e.g.: 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 So maybe it was classified as too dangerous to leave in the field? Simon From: gpfsug-discuss-boun...@spectrumscale.org on behalf of Jonathan Buzzard Date: Friday, 14 January 2022 at 14:38To: gpfsug-discuss@spectrumscale.org Subject: Re: [gpfsug-discuss] [External] 5.1.2.2 changes On 13/01/2022 17:39, mark.berg...@uphs.upenn.edu wrote:[SNIP]>> The change that I noticed most was:>> Repair functionality of mmfsck command in online mode is deprecated> The repair functionality of mmfsck command in online mode is no longer available. The report-only operation still works in the online mode.>> While I know that mmfsck is rarely needed and has gotten much faster, deprecating the ability to do any online repairs seems> like a significant regression.>I would concur with that sentiment, and given it is a significantregression I would suggest that it IBM should give an explanation as towhy functionality has been removed.Been able to do online repairs on large file systems is when you need ita complete life saver. It could be the difference between several daysof outage vs. end users not realizing there was even a problem.JAB.--Jonathan A. Buzzard Tel: +44141-5483420HPC System Administrator, ARCHIE-WeSt.University of Strathclyde, John Anderson Building, Glasgow. G4 0NG___gpfsug-discuss mailing listgpfsug-discuss at spectrumscale.orghttp://gpfsug.org/mailman/listinfo/gpfsug-discuss ___gpfsug-discuss mailing listgpfsug-discuss at spectrumscale.orghttp://gpfsug.org/mailman/listinfo/gpfsug-discuss ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss
Re: [gpfsug-discuss] [External] 5.1.2.2 changes
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. e.g.: 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 So maybe it was classified as too dangerous to leave in the field? Simon From: gpfsug-discuss-boun...@spectrumscale.org on behalf of Jonathan Buzzard Date: Friday, 14 January 2022 at 14:38 To: gpfsug-discuss@spectrumscale.org Subject: Re: [gpfsug-discuss] [External] 5.1.2.2 changes On 13/01/2022 17:39, mark.berg...@uphs.upenn.edu wrote: [SNIP] > > The change that I noticed most was: > > Repair functionality of mmfsck command in online mode is deprecated > The repair functionality of mmfsck command in online mode is no > longer available. The report-only operation still works in the online mode. > > While I know that mmfsck is rarely needed and has gotten much faster, > deprecating the ability to do any online repairs seems > like a significant regression. > I would concur with that sentiment, and given it is a significant regression I would suggest that it IBM should give an explanation as to why functionality has been removed. Been able to do online repairs on large file systems is when you need it a complete life saver. It could be the difference between several days of outage vs. end users not realizing there was even a problem. JAB. -- Jonathan A. Buzzard Tel: +44141-5483420 HPC System Administrator, ARCHIE-WeSt. University of Strathclyde, John Anderson Building, Glasgow. G4 0NG ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss
Re: [gpfsug-discuss] 5.1.2.2 changes
https://public.dhe.ibm.com/storage/spectrumscale/spectrum_scale_apars_512x.html Is normally the best place to look for changes in PTF releases. Peter Childs ITS Research Storage Queen Mary University Of London From: gpfsug-discuss-boun...@spectrumscale.org on behalf of Hannappel, Juergen Sent: Thursday, January 13, 2022 5:26 PM To: gpfsug main discussion list Subject: [EXTERNAL] [gpfsug-discuss] 5.1.2.2 changes CAUTION: This email originated from outside of QMUL. Do not click links or open attachments unless you recognise the sender and know the content is safe. Hi, just got notified that 5.1.2.2 is out. What are the changes to 5.1.2.1? https://www.ibm.com/docs/en/spectrum-scale/5.1.2?topic=summary-changes does not specify that -- Dr. Jürgen Hannappel DESY/ITTel. : +49 40 8998-4616 ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss
