[root@client-215-112 xxxxx_yyyyy]# myisamchk -r thread.MYI
- recovering (with sort) MyISAM-table 'thread.MYI'
Data records: 410162
myisamchk: error: Can't create new tempfile: 'thread.TMD'
MyISAM-table 'thread.MYI' is not fixed because of errors
Try fixing it by using the --safe-recover (-o), the --force (-f) option or by no t using the --quick (-q) flag