zeitalex
Posts: 16
Joined: Sun Mar 06, 2016 7:05 am

Cannot mount EXT4 18TB USB3.0 HDD Error: filesystem too large to mount safely on this system

Thu Jun 17, 2021 6:39 pm

dmesg:

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[   41.660903] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: user_xattr,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl
[  354.512625] EXT4-fs (sda1): re-mounted. Opts: acl,grpjquota=aquota.group,jqfmt=vfsv0,user_xattr,usrjquota=aquota.user
[  354.590185] EXT4-fs (sda1): re-mounted. Opts: acl,grpjquota=aquota.group,jqfmt=vfsv0,user_xattr,usrjquota=aquota.user
[  354.739103] EXT4-fs (sde1): re-mounted. Opts: acl,grpjquota=aquota.group,jqfmt=vfsv0,user_xattr,usrjquota=aquota.user
[  354.813278] EXT4-fs (sde1): re-mounted. Opts: acl,grpjquota=aquota.group,jqfmt=vfsv0,user_xattr,usrjquota=aquota.user
[  355.123119] EXT4-fs (sdb1): re-mounted. Opts: acl,grpjquota=aquota.group,jqfmt=vfsv0,user_xattr,usrjquota=aquota.user
[  355.202531] EXT4-fs (sdb1): re-mounted. Opts: acl,grpjquota=aquota.group,jqfmt=vfsv0,user_xattr,usrjquota=aquota.user
[  355.290500] EXT4-fs (sdc1): filesystem too large to mount safely on this system

uname -a

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Linux 5.10.17-v7l+ #1421 SMP Thu May 27 14:00:13 BST 2021 armv7l GNU/Linux
RPi4 2GB RAM

pidd
Posts: 4164
Joined: Fri May 29, 2020 8:29 pm
Location: Wirral, UK

Re: Cannot mount EXT4 18TB USB3.0 HDD Error: filesystem too large to mount safely on this system

Thu Jun 17, 2021 7:21 pm

From elsewhere ....
32 bit kernels are limited to 16 TiB because the page cache entry index is only 32 bits.

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