The phases (passes) performed by the UFS version of the fsck command are: Initialization, the fsck command performs successive passes over each file system, checking blocksĪnd sizes, path names, connectivity, reference counts, and the map of free blocks Each pass invokesĪ different phase of the fsck command with different sets of messages. The fsck command is a multipass file system check program. Severity of data loss might be determined from the fsck diagnostic output. Some corrective actions will result in some loss of data. Or no to the default response suggested by the fsck command for each With the -y or -n options, your response is predefined as yes However, for more serious errors, the command reports the inconsistencyĪnd prompts you to choose a response. When you run the fsck command interactively, it reports each inconsistency found andįixes innocuous errors. More serious conditions, the command reports the error and terminates. While preening a file system, theįsck command fixes the inconsistencies it expects from such an abrupt halt. Preening automatically fixes any basic file system inconsistencies and does Normally, the fsck command is run non-interactively to preen the file systems afterĪn abrupt system halt in which the latest file system changes were not
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