Error on big storage

[OlegVladimirov]

Hi!
If I made filesystem with command as showing in readme file - all working good, but when I'm increasing value in "s" parameter there is error while creating filesystem. Example below. How I can improve it?

$ sudo ~/chunkbd/chunkbd -c 5242880 -s 524288000 -v /dev/nbd1 /tmp/stor

# in other terminal:
$ sudo mkfs.ext4 /dev/nbd1
mke2fs 1.46.5 (30-Dec-2021)
Discarding device blocks: done
Creating filesystem with 128000 4k blocks and 128000 inodes
Filesystem UUID: d669b72d-e03d-4205-a1d0-dc17ef25c733
Superblock backups stored on blocks:
        32768, 98304

Allocating group tables: done
Writing inode tables: done
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done



rm -f /tmp/stor/*

# size - 100 Gb
$ sudo ~/chunkbd/chunkbd -c 5242880 -s 107374182400 -v /dev/nbd1 /tmp/stor 

# in other terminal:
$ sudo mkfs.ext4 /dev/nbd1
mke2fs 1.46.5 (30-Dec-2021)
Discarding device blocks: done
Warning: could not erase sector 2: Input/output error
Creating filesystem with 26214400 4k blocks and 6553600 inodes
Filesystem UUID: 395fd92c-2b44-418c-9717-03806ac334ca
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
        4096000, 7962624, 11239424, 20480000, 23887872

Allocating group tables: done
Warning: could not read block 0: Input/output error
Warning: could not erase sector 0: Input/output error
Writing inode tables: done
Creating journal (131072 blocks): done
Writing superblocks and filesystem accounting information: mkfs.ext4: Input/output error while writing out and closing file system