undelete SCO UNIX下的反删除 _云知道

SCO OpenServer支持Versioning Filesystems(undelete),但是缺省却没有打开此项功能，下面是具体细节：
1) scoadmin中选择Hardware/Kernel Manager，选择Filesystem configuration，
设置MAXVDEPTH为一个非零值(n=保存多少以前版本，设置较大数时要考虑磁盘空间)
设置MINVTIME(文件versioned之前等待的秒数)
2) 重新编译(Relink)内核；
3) 重新启动服务器；
4) 启用Undelete，针对需要设置undelete的目录(例如:/u/data)
undelete -s /u/data
5) 为了察看Versioned情况,设置以下环境变量：
SHOWVERSIONS=1; export SHOWVERSIONS
6) 用文件察看命令察看Versioned的文件，可以根据需要恢复删除或覆盖的文件。
【undelete SCO UNIX下的反删除】
undelete supports the following options:If the -l, -p, -s, -u and -v options are not specifIEd, undelete recovers the specified files.
-l
print a listing of all versions of the specified file(s)-p
purge (permanently delete) specified source file(s)-s
turn the version attribute on for the specified Directories and its subsequent child directories-u
turn the version attribute off for the specified directories-v
force the specified file(s) to be versionedThe following additional options are recognized:-d
normally, if the specified file is a directory, undelete will operate on the files contained in that directory. If this option is specified, undelete operates on the directory itself.
--------------------------------------------------------------------------------
NOTE: undelete does not work on directories that are mounted.
---------------------------------------------------------------------------------i
undelete will prompt for confirmation prior to recovering a file that will overwrite the current version of the file. A y answer means that the undeletion should proceed. Any other answer prevents undelete from undeleting the file.-f
undelete will recover the file(s) without prompting even if it is overwriting over an existing current version of the file. This option overrides the -i option. Note that this is the default if the standard input is not a terminal.-r
undelete will operate recursively on any directories in the argument list. Symbolic links that are encountered with this option will not be traversed.-m [ -]days
undelete will only consider files that were deleted less than ( - ), greater than () or exactly (neither - nor) days ago.

undelete SCO UNIX下的反删除

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