IBM Tivoli Storage Manager for UNIX and Linux Backup-Archive ...

modified after the last incremental or image backup with a modification dateearlier than the last incremental backup time stamp.If the client time is ahead of the server time, all files that had been created ormodified before the last incremental or image backup and have a modificationtime stamp later than the last incremental backup time stamp, are backed up again.Typically, these files would not get backed up because they had already beenbacked up.The backup date can be checked by the query filespace command.The Tivoli Storage Manager client must support the raw device type on the specificplatform to perform an image backup of a raw device. You can only perform animage backup on local devices. Clustered devices or file systems as well as devicesor file systems shared between two or more systems are not supported. If youwant to perform an image backup for a file system mounted on a raw device, theraw device must be supported.Use the include.image option to include a file system or logical volume for imagebackup, or to specify volume-specific options for image backup.The backup image command uses the compression option.Supported ClientsThis command is valid for AIX, HP-UX, all Linux clients, and Solaris.Syntax►►Backup Imageoptions▼filespec►◄ParametersoptionsTable 72. Backup Image command: Related optionsOptionWhere to usecompressalwaysClient options file (dsm.opt) or command line.“Compressalways” onpage 282compression“Compression” on page283dynamicimage“Dynamicimage” on page302imagegapsize“Imagegapsize” on page328mode “Mode” on page350Client options file or command line.Use with the backup image command or the include.imageoption in the options file.Use with the backup image command, the include.imageoption, or in the options file.Command line only.Chapter 11. Using commands 449