[Bug 455024] Re: resize2fs: memory allocation failed while trying to resize

[elatllat]

e2fsck -y $D
fails with 
"ext2fs_get_mem: Cannot allocate memory"
on a computer with 100GB swap and 2GB RAM.
#e2fsck 1.42.13 (17-May-2015) 

e2fsprogs is clearly not designed to scale, guess it's time to switch to
btrfs

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https://bugs.launchpad.net/bugs/455024

Title:
  resize2fs: memory allocation failed while trying to resize

Status in e2fsprogs package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: e2fsprogs

  When I try to resize a big EXT3 filesystem on a RAID5 (/dev/md0) from
  5TB to 7TB i get this output:

  # resize2fs -p /dev/md0                                 
  resize2fs 1.41.9 (22-Aug-2009)
  Resizing the filesystem on /dev/md0 to 1709329888 (4k) blocks.
  Start von Durchgang 1 (max = 14904)
  Vergrößere die Inode-TabelleXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
  resize2fs: Memory allocation failed beim Versuch, die Größe von /dev/md0 zu ändern
  Please run 'e2fsck -fy /dev/md0' to fix the filesystem
  after the aborted resize operation.

  Note: Im using Ubuntu Hardy due to its LTS. But I installed the
  packages from Karmic, because they had no special dependencies, I
  could install them without any problem. The message above is from this
  updated e2fsprogs version (note the version). I get the exactly same
  message from the original e2fsprogs, except the last two lines (Please
  run...).

  I use 4KB Blocks, so EXT3 should be able to address 8TB...

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