[gpfsug-discuss] What NSDs does a file have blocks on?

Marc A Kaplan makaplan at us.ibm.com
Tue Jul 10 14:08:45 BST 2018


As long as we're giving hints...
Seems tsdbfs has several subcommands that might be helpful.
I like "inode"
But there's also "listda"
Subcommand "desc" will show you the structure of the file system under 
"disks:" you will see which disk numbers are which NSDs.

Have fun, but DO NOT use the any of the *patch* subcommands!



From:   Simon Thompson <S.J.Thompson at bham.ac.uk>
To:     gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date:   07/09/2018 05:21 PM
Subject:        Re: [gpfsug-discuss] What NSDs does a file have blocks on?
Sent by:        gpfsug-discuss-bounces at spectrumscale.org



I was going to say something like that … e.g.
 
blockaddr 563148261
Inode 563148261 snap 0 offset 0 N=2  1:45255923200  13:59403784320
1: and 13: in the output are the NSD disk devices for inode 563148261
 
Simon
 
From: <gpfsug-discuss-bounces at spectrumscale.org> on behalf of 
"makaplan at us.ibm.com" <makaplan at us.ibm.com>
Reply-To: "gpfsug-discuss at spectrumscale.org" 
<gpfsug-discuss at spectrumscale.org>
Date: Monday, 9 July 2018 at 22:04
To: "gpfsug-discuss at spectrumscale.org" <gpfsug-discuss at spectrumscale.org>
Subject: Re: [gpfsug-discuss] What NSDs does a file have blocks on?
 
(psss... )  tsdbfs 

Not responsible for anything bad that happens...!

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