root@OpenWrt:/# ubinfo /dev/ubi0; ubinfo /dev/ubi0_0; ubinfo /dev/ubi0_1
ubi0
Volumes count:                           2
Logical eraseblock size:                 129024 bytes, 126.0 KiB
Total amount of logical eraseblocks:     7629 (984324096 bytes, 938.7 MiB)
Amount of available logical eraseblocks: 0 (0 bytes)
Maximum count of volumes                 128
Count of bad physical eraseblocks:       6
Count of reserved physical eraseblocks:  154
Current maximum erase counter value:     1
Minimum input/output unit size:          2048 bytes
Character device major/minor:            251:0
Present volumes:                         0, 1
Volume ID:   0 (on ubi0)
Type:        dynamic
Alignment:   1
Size:        36 LEBs (4644864 bytes, 4.4 MiB)
State:       OK
Name:        rootfs
Character device major/minor: 251:1
Volume ID:   1 (on ubi0)
Type:        dynamic
Alignment:   1
Size:        7435 LEBs (959293440 bytes, 914.8 MiB)
State:       OK
Name:        rootfs_data
Character device major/minor: 251:2
root@OpenWrt:/#