[root@murr sbin]# xtrabackup --help
xtrabackup Ver 1.6 Rev 245 for 5.1.55 unknown-linux-gnu (x86_64)
...
110412 22:36:14 innobackupex: Continuing after ibbackup has suspended
innobackupex: Starting to backup InnoDB tables and indexes
innobackupex: from original InnoDB data directory '/var/lib/mysql'
innobackupex: Backing up as tar stream 'ibdata1'
The file 'ibdata1' may not be InnoDB datafile or may be corrupted.
tar_append_tree("ibdata1", "ibdata1"): Input/output error
innobackupex: tar returned with exit code 255.
innobackupex: Error: Failed to stream '/var/lib/mysql/ibdata1': at /usr/bin/innobackupex line 336.
[root@murr sbin]# xtrabackup --help
xtrabackup Ver 1.6 Rev 245 for 5.1.55 unknown-linux-gnu (x86_64)
...
110412 22:36:14 innobackupex: Continuing after ibbackup has suspended
innobackupex: Starting to backup InnoDB tables and indexes tree("ibdata1" , "ibdata1"): Input/output error mysql/ibdata1' : at /usr/bin/ innobackupex line 336.
innobackupex: from original InnoDB data directory '/var/lib/mysql'
innobackupex: Backing up as tar stream 'ibdata1'
The file 'ibdata1' may not be InnoDB datafile or may be corrupted.
tar_append_
innobackupex: tar returned with exit code 255.
innobackupex: Error: Failed to stream '/var/lib/