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

dsmc restore /home/monnett/ -subdir=yes -replace=all -tapeprompt=nodsmc restore /home/gillis/ -subdir=yes -replace=all -tapeprompt=nodsmc restore /home/stewart/ -subdir=yes -replace=all -tapeprompt=noYou can also use the quiet option with the restore commands to save processingtime. However, you will not receive informational messages for individual files.Note: If you already have the appropriate values set for the subdir, replace,tapeprompt, and quiet options in your client user options file, you do not need toinclude those options in the commands.When you enter multiple commands to restore your files, you must specify aunique part of the file space in each restore command. Be sure you do not use anyoverlapping file specifications in the commands.To display a list of the directories in a file space, use the query backup command.For example:dsmc query backup -dirsonly -subdir=no /Users/As a general rule, you can enter from two to four restore commands at one time.The maximum number you can run at one time without degrading performancedepends on factors such as how much memory you have and network utilization.The speed at which you can restore the files also depends on how many tapedrives are available on the server, and whether your administrator is usingcollocation to keep file spaces assigned to as few volumes as possible.For example, if /Users/user1 and /Users/user2 are on the same tape, the restorefor /Users/user2 must wait until the restore for /Users/user1 is complete.However, if /Users/user3 is on a different tape, and there are at least two tapedrives available, the restore for /Users/user3 can begin at the same time as therestore for /Users/user1.Set the system ulimit values to unlimited (-1) if you are restoring very large (2 GB)files with HSM or the backup-archive client. The Tivoli Storage Manager client canrestore these large files with enough system resources. If the ulimits are set tolower values, there might be restore failures.Standard query restore, no query restore, and restartablerestoreThis topic describes the standard (or classic) restore, the no query restore, and therestartable restore processes.Standard restore processThe standard restore process is also known as classic restore, and is outlinedbelow.1. The client queries the server for a list of files backed up for the client file spaceyou want to restore.2. The server sends a list of backed up files that match the restore criteria. If youwant to restore both active and inactive files, the server sends informationabout all backed up files to the client.3. The list of files returned from the server is sorted in client memory todetermine the file restore order and to minimize tape mounts required toperform the restore.Chapter 5. Restoring your data 189