Re: [gpfsug-discuss] struct dirent d_type for fifos on gpfs

[Lyle Gayne]

He's already handled this.
 
Lyle
 
- Original message -From: IBM Spectrum Scale/Poughkeepsie/IBMSent by: gpfsug-discuss-boun...@spectrumscale.orgTo: Steve Xiao/Fishkill/IBM@IBMCc: gpfsug-discuss-boun...@spectrumscale.org, "gpfsug main discussion list" , Ted Anderson/Almaden/IBM@IBMMailSubject: [EXTERNAL] Re: [gpfsug-discuss] struct dirent d_type for fifos on gpfsDate: Fri, Jan 14, 2022 2:12 AM  Hi Steve, Can you please look into the below query from Hannappel. Regards, The Spectrum Scale (GPFS) team -- If you feel that yourZjQcmQRYFpfptBannerStart  

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Hi Steve,Can you please look into the below query from Hannappel.Regards, The Spectrum Scale (GPFS) team--If you feel that your question can benefit other users of  Spectrum Scale (GPFS), then please post it to the public IBM developerWroks Forum at https://www.ibm.com/developerworks/community/forums/html/forum?id=----0479.If your query concerns a potential software error in Spectrum Scale (GPFS) and you have an IBM software maintenance contract please contact  1-800-237-5511 in the United States or your local IBM Service Center in other countries.The forum is informally monitored as time permits and should not be used for priority messages to the Spectrum Scale (GPFS) team."Hannappel, Juergen" ---13-01-2022 11.46.55 PM---Hi, I noticed that whe I read directory entries with the usual readdir() function thatFrom: "Hannappel, Juergen" To: "gpfsug main discussion list" Date: 13-01-2022 11.46 PMSubject: [EXTERNAL] [gpfsug-discuss] struct dirent d_type for fifos on gpfsSent by: gpfsug-discuss-boun...@spectrumscale.org
Hi,I noticed that whe I read directory entries with the usual readdir() function thatfor fifos I get in the d_type files a 0, i.e. DT_UNKNOWN while if I try that on adifferent file system e.g. ext4 I get the expected DT_FIFO.Is this a bug or an expected feature?--Dr. Jürgen Hannappel  DESY/IT    Tel.  : +49 40 8998-4616___gpfsug-discuss mailing listgpfsug-discuss at spectrumscale.orghttp://gpfsug.org/mailman/listinfo/gpfsug-discuss  
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Re: [gpfsug-discuss] struct dirent d_type for fifos on gpfs

[IBM Spectrum Scale]

This is expected.   GPFS readdir only support d_type: DT_REG, DT_DIR and 
DT_LNK.   All other type will be returned as DT_UNKNOWN. 
 
Regards, The Spectrum Scale (GPFS) team

--
If you feel that your question can benefit other users of  Spectrum Scale 
(GPFS), then please post it to the public IBM developerWroks Forum at 
https://www.ibm.com/developerworks/community/forums/html/forum?id=----0479
. 

If your query concerns a potential software error in Spectrum Scale (GPFS) 
and you have an IBM software maintenance contract please contact 
1-800-237-5511 in the United States or your local IBM Service Center in 
other countries. 

The forum is informally monitored as time permits and should not be used 
for priority messages to the Spectrum Scale (GPFS) team.

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Re: [gpfsug-discuss] [External] 5.1.2.2 changes

[Jonathan Buzzard]

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
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