Welcome to the Haiku shell.

~/Desktop> sync
~/Desktop> checkfs /ocz1
name (inode = 4988), invalid b+tree
size (inode = 5087), invalid b+tree
Recreating broken index b+trees...
        17921 nodes checked,
        0 blocks not allocated,
        0 blocks already set,
        7 blocks could be freed

        files           16959
        directories     964
        attributes      73
        attr. dirs      56
        indices         9

        direct block runs               16387 (2.08 GiB)
        indirect block runs             65 (in 3 array blocks, 6.42 GiB)
        double indirect block runs      0 (in 0 array blocks, 0 byte)
~/Desktop> 
~/Desktop> checkfs /ocz1
        18061 nodes checked,
        0 blocks not allocated,
        0 blocks already set,
        0 blocks could be freed

        files           16959
        directories     964
        attributes      73
        attr. dirs      56
        indices         9

        direct block runs               16388 (2.08 GiB)
        indirect block runs             65 (in 3 array blocks, 6.42 GiB)
        double indirect block runs      0 (in 0 array blocks, 0 byte)
~/Desktop>