ext4 filesystems larger than 16T

Ray Van Dolson rvandolson at esri.com
Wed Mar 24 21:48:45 UTC 2010


On Wed, Mar 24, 2010 at 02:37:35PM -0700, Brad White wrote:
> I have a LVM based ext4 filesystem on RHEL 5.4.  The LV is just over
> 21T, but I am unable to extend the filesystem past the 15T that it is
> currently using.  I get this error from resize4fs:
> 
> resize4fs 1.41.5 (23-Apr-2009)
> resize4fs: File too large while trying to determine filesystem size
> 
> lvdisplay:
> 
>  --- Logical volume ---
>   LV Name                /dev/ProgramArchive/ProgramArchive01
>   VG Name                ProgramArchive
>   LV UUID                g7Ndek-tZzc-irZX-7yiB-pbAC-NCHZ-7QetqV
>   LV Write Access        read/write
>   LV Status              available
>   # open                 1
>   LV Size                21.82 TB
>   Current LE             5720062
>   Segments               2
>   Allocation             inherit
>   Read ahead sectors     auto
>   - currently set to     256
>   Block device           253:6
> 
> I guess large filesystem support still is not present in ext4?  I
> this the case, or do newer versions of the ext2/3/4 tools permit
> growing a filesystem past 16T?

You may need a newer version of the e4fsprogs. :(

Ray




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