X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fdoc%2Flfs_migrate.1;h=c6f198a3db16f12e71a590d99579d5c38303aa53;hb=94a34b9ad16e9dc2bbcc0ed7bad89f2e6a671a90;hp=d59b97643b52e19536987c35b806e06e1c543f62;hpb=b529a917a48cb0873f2898348b25a1074d7e9429;p=fs%2Flustre-release.git

diff --git a/lustre/doc/lfs_migrate.1 b/lustre/doc/lfs_migrate.1
index d59b976..c6f198a 100644
--- a/lustre/doc/lfs_migrate.1
+++ b/lustre/doc/lfs_migrate.1
@@ -27,7 +27,7 @@ Because
 .B lfs_migrate
 is
 .B not
-closely integrated with the MDS, it cannot determine whether a file
+yet closely integrated with the MDS, it cannot determine whether a file
 is currently open and/or in-use by other applications or nodes.  That makes
 it
 .B
@@ -88,15 +88,20 @@ against original to verify correctness.
 Answer 'y' to usage warning without prompting (for scripts, use with caution).
 .SH EXAMPLES
 To rebalance all files within
-.IR /mnt/lustre/dir :
+.I /testfs/jobs/2011
+(which are known not to be modified by in-use programs):
 .IP
-lfs_migrate /mnt/lustre/dir
+lfs_migrate /testfs/jobs/2011
 .PP
 To migrate files within the
-.I /test
-filesystem on OST0004 larger than 4GB in size:
+.I /testfs
+filesystem on OST0004 (perhaps because it is much more full than other OSTs),
+larger than 4GB (because it is more efficient to just migrate large files),
+and older than two days (to avoid files that are in use, though this is NOT
+a guarantee the files are not being modified, that is workload specific):
 .IP
-lfs find /test -obd test-OST0004 -size +4G | lfs_migrate -y
+lfs find /testfs -obd test-OST0004 -size +4G -mtime +2d |
+    lfs_migrate -y
 .SH KNOWN BUGS
 Hard links could be handled correctly in Lustre 2.0 by using
 .BR lfs (1) " fid2path" .