LU-611 utils: add restripe option to lfs_migrate

[fs/lustre-release.git] / lustre / scripts / lfs_migrate

diff --git a/lustre/scripts/lfs_migrate b/lustre/scripts/lfs_migrate
index 7ec1051..0652879 100644 (file)
--- a/lustre/scripts/lfs_migrate
+++ b/lustre/scripts/lfs_migrate
@@ -20,13 +20,13 @@ LFS=${LFS:-lfs}
 
 usage() {
     cat -- <<USAGE 1>&2
-usage: lfs_migrate [-c|-s] [-h] [-l] [-n] [-y] [file|dir ...]
-    -c compare file data after migrate (default)
-    -s skip file data comparison after migrate
+usage: lfs_migrate [-h] [-l] [-n] [-R] [-s] [-y] [file|dir ...]
     -h show this usage message
     -l migrate files with hard links (skip by default)
     -n only print the names of files to be migrated
     -q run quietly (don't print filenames or status)
+    -R restripe file using default directory striping
+    -s skip file data comparison after migrate
     -y answer 'y' to usage question
 
 If a directory is an argument, all files in the directory are migrated.
@@ -40,12 +40,13 @@ USAGE
 
 OPT_CHECK=y
 
-while getopts "chlnqsy" opt $*; do
+while getopts "chlnRqsSy" opt $*; do
     case $opt in
-       c) OPT_CHECK=y;;
+       c) echo "'-c' option deprecated, checking enabled by default" 1>&2;;
        l) OPT_NLINK=y;;
        n) OPT_DRYRUN=n; OPT_YES=y;;
        q) ECHO=:;;
+       R) OPT_RESTRIPE=y;;
        s) OPT_CHECK="";;
        y) OPT_YES=y;;
        h|\?) usage;;
@@ -104,13 +105,17 @@ lfs_migrate() {
                fi
 
 
+               if [ "$OPT_RESTRIPE" ]; then
+                       UNLINK=""
+               else
                # if rsync copies Lustre xattrs properly in the future
                # (i.e. before the file data, so that it preserves striping)
                # then we don't need to do this getstripe/mktemp stuff.
-               UNLINK="-u"
-               COUNT=$($LFS getstripe -c "$OLDNAME" 2> /dev/null)
-               SIZE=$($LFS getstripe -s "$OLDNAME" 2> /dev/null)
-               [ -z "$COUNT" -o -z "$SIZE" ] && UNLINK=""
+                       UNLINK="-u"
+                       COUNT=$($LFS getstripe -c "$OLDNAME" 2> /dev/null)
+                       SIZE=$($LFS getstripe -s "$OLDNAME" 2> /dev/null)
+                       [ -z "$COUNT" -o -z "$SIZE" ] && UNLINK=""
+               fi
                NEWNAME=$(mktemp $UNLINK "$OLDNAME.tmp.XXXXXX")
                if [ $? -ne 0 -o -z "$NEWNAME" ]; then
                        echo -e "\r$OLDNAME: can't make temp file, skipped" 1>&2