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Re: Re: Please help me resize my ext4 file system to size > 16TB

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> > Hi,
> >
> >   I have kernel 3.13 and e2fsprog 1.42.9 (as part of mybuntu 14.04.5 LTS).
> > With this, is it possible to resize2fs my ext4 RAID6 /dev/md0 to 24TB (ie
> > >16TB)? If so, please help me get there. If not, please recommend the
> > upgrades needed to the setup before this can be done. So, far, my google
> > says I need to do "tune2fs -O extents,uninit_bg,dir_index /dev/md0" which I
> > already did and I still get the dreaded message "resize2fs: New size too
> > large to be expressed in 32 bits."
> >
> > There are mentions of a 64bit option for the ext4 file system. I can see how
> > this relates to the error message from resize2fs, but I do not know what I
> > should do to get that update done for my /dev/md0. Also all of the message
> > that I come across relating to 64bit option, only talk about  how to
> > *create* a brand new file system with 64bit. None of them tell me how to
> > convert existing one. In fact, many of them scare me saying that it will be
> > unsupported in older kernels. I am not really sure if my kernel is too old
> > or not. Also, they talk about a switch -b for resize2fs that is not
> > supported in the version installed currently on my system/release.
> >
> > Pleas help me figure out the correct sequence of steps. What packages need
> > update, if current kernel/release is ok? Or, do I need to upgrade to a newer
> > release before this is possible?
> >
> > Thanks
> > Ramesh
> >
>
> I think you ran into this problem:
> http://blog.ronnyegner-consulting.de/2011/08/18/ext4-and-the-16-tb-limit-now-solved/
>
> I know of no way to get resize2fs to work with partitions larger than 16 TB,
> however in the blog post it's explained how to make mke2fs work with such
> sizes by editing /etc/mke2fs.conf. Not sure if this is an option for you
> though.

I have no way of backing up 16TB to use mke2fs. There is a solution ( 
https://askubuntu.com/questions/779754/how-do-i-resize-an-ext4-partition-beyond-the-16tb-limit 
), but needs updates that I am not
ready to do yet. So, I am checking if there is something that I missed 
that will allow me to resize without having to upgrade 
release/kernel/e2fsprogs and all of its friends.

Ramesh

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Please help me resize my ext4 file system to size > 16TB Ram Ramesh <rramesh2400@gmail.com> - 2017-06-12 00:20 +0200
  Re: Please help me resize my ext4 file system to size > 16TB Jonathan Marquardt <parckwart@parckwart.de> - 2017-06-12 14:30 +0200
    Re: Re: Please help me resize my ext4 file system to size > 16TB Ramasubramanian Ramesh <rramesh@ti.com> - 2017-06-12 23:20 +0200
      Re: Please help me resize my ext4 file system to size > 16TB Henrique de Moraes Holschuh <hmh@debian.org> - 2017-06-13 01:40 +0200
        Re: Re: Please help me resize my ext4 file system to size > 16TB "R. Ramesh" <rramesh@verizon.net> - 2017-06-13 07:00 +0200
          Re: Please help me resize my ext4 file system to size > 16TB Henrique de Moraes Holschuh <hmh@debian.org> - 2017-06-13 12:10 +0200
            Re: Re: Please help me resize my ext4 file system to size > 16TB "R. Ramesh" <rramesh@verizon.net> - 2017-06-14 02:50 +0200
              Re: Please help me resize my ext4 file system to size > 16TB Henrique de Moraes Holschuh <hmh@debian.org> - 2017-06-14 15:30 +0200
          Re: Please help me resize my ext4 file system to size > 16TB Doug <dmcgarrett@optonline.net> - 2017-06-13 18:10 +0200
            Re: Please help me resize my ext4 file system to size > 16TB "R. Ramesh" <rramesh@verizon.net> - 2017-06-14 02:40 +0200

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