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Re: Decrease/increase XFS partitions

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On Wed, Aug 17, 2016 at 08:54:47AM -0400, Gene Heskett wrote:
> On Wednesday 17 August 2016 03:43:36 ML mail wrote:
> 
> > Hello
> >
> > On my Debian 8 machine I have two XFS data partitions on my disk:
> >
> > - /dev/sdb1 of 4TB
> > - /dev/sdb2 of 9TB
> >
> > Now I would like to decrease the first partition [...]

> I think this is a job for gparted [...]

Gparted will grow (or shrink) the partition. Not the file system.
The file system has to play along, otherwise you'll get a train
wreck.

 - Shrinking:
   - first, shrink the file system (make sure FS has no data
     beyond some block [1]
   - then, shrink the partition accordingly

 - Growing
   - first, grow the partition
   - then, grow the filesystem accordingly (i.e. tell the file
     system it can use the extra space [2]

[1] Ext2/3/4 supports shrinking. XFS not, according to the FAQ
[2] XFS (and Ext*) support growing

regards

- -- t
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Decrease/increase XFS partitions ML mail <mlnospam@yahoo.com> - 2016-08-17 09:50 +0200
  Re: Decrease/increase XFS partitions Igor Cicimov <icicimov@gmail.com> - 2016-08-17 10:00 +0200
    Re: Decrease/increase XFS partitions <tomas@tuxteam.de> - 2016-08-17 10:10 +0200
      Re: Decrease/increase XFS partitions Gene Heskett <gheskett@shentel.net> - 2016-08-17 15:40 +0200
        Re: Decrease/increase XFS partitions Dan Ritter <dsr@randomstring.org> - 2016-08-17 21:10 +0200
    Re: Decrease/increase XFS partitions Gene Heskett <gheskett@shentel.net> - 2016-08-17 15:00 +0200
  Re: Decrease/increase XFS partitions Gene Heskett <gheskett@shentel.net> - 2016-08-17 15:00 +0200
    Re: Decrease/increase XFS partitions <tomas@tuxteam.de> - 2016-08-17 15:20 +0200
      Re: Decrease/increase XFS partitions Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-08-17 15:30 +0200
        Re: Decrease/increase XFS partitions <tomas@tuxteam.de> - 2016-08-17 15:40 +0200
          Re: Decrease/increase XFS partitions Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-08-17 16:20 +0200
      Re: Decrease/increase XFS partitions Gene Heskett <gheskett@shentel.net> - 2016-08-17 16:00 +0200
        Re: Decrease/increase XFS partitions <tomas@tuxteam.de> - 2016-08-17 16:10 +0200
          Re: Decrease/increase XFS partitions Gene Heskett <gheskett@shentel.net> - 2016-08-17 16:30 +0200
          Re: Decrease/increase XFS partitions deloptes <deloptes@gmail.com> - 2016-08-17 21:20 +0200
    Re: Decrease/increase XFS partitions Brian <ad44@cityscape.co.uk> - 2016-08-17 15:40 +0200
      Re: Decrease/increase XFS partitions Gene Heskett <gheskett@shentel.net> - 2016-08-17 16:00 +0200
        Re: Decrease/increase XFS partitions Greg Wooledge <wooledg@eeg.ccf.org> - 2016-08-17 16:10 +0200
          Re: Decrease/increase XFS partitions Gene Heskett <gheskett@shentel.net> - 2016-08-17 16:30 +0200
            Re: Decrease/increase XFS partitions Darac Marjal <mailinglist@darac.org.uk> - 2016-08-17 17:00 +0200
          Re: Decrease/increase XFS partitions <tomas@tuxteam.de> - 2016-08-17 17:00 +0200
        Re: Decrease/increase XFS partitions Brian <ad44@cityscape.co.uk> - 2016-08-17 16:30 +0200
      Re: Decrease/increase XFS partitions deloptes <deloptes@gmail.com> - 2016-08-17 21:10 +0200

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