thread.myi crashed and will not repair no matter how many times tried

[corsacrazy]

patterns Check Warning: Table is marked as crashed and last repair failedpatterns Check Warning: Size of indexfile is: 8282112 Should be: 2353152

patterns Check Error: Found 288129 keys of 30953 patterns Check Error: Corrupt patterns

thread CheckWarning: Table is marked as crashed and last repair failed thread Check Warning: Size of datafile is: 768796 Should be: 765084 thread Check Error: Keypointers and record positions doesn't match thread Check Warning: Found 9194 parts Should be: 8958 parts thread CheckError: Corruptthread