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# ./resize/resize2fs /dev/mapper/vg-lvname
resize2fs 1.43.8 (1-Jan-2018)
Filesystem at /dev/mapper/vg-lvname is mounted on /point; on-line resizing required
old_desc_blocks = 1024, new_desc_blocks = 1152
./resize/resize2fs: Not enough reserved gdt blocks for resizing
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# ./misc/tune2fs -l /dev/mapper/vg-lvname
tune2fs 1.43.8 (1-Jan-2018)
Filesystem volume name: <none>
Last mounted on: /point
Filesystem UUID: 916b341b-6955-4f9c-bbf4-16d3e0314120
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: ext_attr resize_inode dir_index filetype extent 64bit sparse_super large_file
Filesystem flags: signed_directory_hash
Default mount options: user_xattr acl
Filesystem state: not clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 536870912
Block count: 2147483648
Reserved block count: 107374182
Free blocks: 885604510
Free inodes: 536627250
First block: 0
Block size: 4096
Fragment size: 4096
Group descriptor size: 64
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
Filesystem created: Fri Mar 16 14:51:06 2018
Last mount time: Fri Mar 16 15:45:08 2018
Last write time: Thu Jun 7 10:42:14 2018
Mount count: 1
Maximum mount count: -1
Last checked: Fri Mar 16 14:51:06 2018
Check interval: 0 (<none>)
Lifetime writes: 6251 GB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 32
Desired extra isize: 32
Default directory hash: half_md4
Directory Hash Seed: 277aa5a5-8dc2-4896-8ee3-8c0d4d952045
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# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lvname vg -wi-ao---- 9.00t
# df -hP
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg-lvname 7.9T 4.6T 2.9T 62% /point
# cat /etc/redhat-release
CentOS release 6.6 (Final)
# uname -a
Linux hostname 2.6.32-504.el6.x86_64 #1 SMP Wed Oct 15 04:27:16 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Is desc_blocks limited to 1024? How can I raise it?