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authorAmar Tumballi <amar@gluster.com>2010-07-14 13:58:20 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-07-14 14:44:26 -0700
commit654a720eed0bc5faaeeaa4eb34f1cfc10df76230 (patch)
treeb84419d192c46e39a40b7a3133666ddde453aba2 /libglusterfs
parente73a856e926465068f6f6cf5a0cace501589957c (diff)
proper way to do defrag of a mountpoint
Usage: "glusterfs-defrag <MOUNTPOINT>" there are new features added to distribute with this patch: * bash# getfattr -n trusted.distribute.linkinfo <file> Gives output in the format "<hostname>:<directory>", if there is a linkfile present, where hostname is server, directory is backend directory where the actual linkfile is present. * bash# getfattr -n trusted.glusterfs.pathinfo <path> Gives layout information if directory, and info about actual location of file in backend servers, in the form of 'hostname:directory'. (TODO: should extend it to all xlators) * bash# getfattr -n trusted.distribute.fix.layout <path> scales out the directory layout in distribute, so when new servers are added, layouts are fixed to include them. * removed 'scale-n-defrag.sh' as its no more required. * changed 'defrag.sh' to have a feature to specify target bricks, so defrag happens to only those nodes. moved the file to 'glusterfs-defrag', which now gets installed to '${prefix}/bin' * storage/posix: takes new option 'hostname' so it can resolve to same hostname given during 'gluster volume create'. with 'trusted.glusterfs.pathinfo' posix returns the value in 'hostname:real_path' format. Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1073 ('gluster defrag <VOLNAME>' fails in mainline) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1073
Diffstat (limited to 'libglusterfs')
-rw-r--r--libglusterfs/src/glusterfs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libglusterfs/src/glusterfs.h b/libglusterfs/src/glusterfs.h
index 8ddb4e74c..8dc781d81 100644
--- a/libglusterfs/src/glusterfs.h
+++ b/libglusterfs/src/glusterfs.h
@@ -64,6 +64,9 @@
#define O_DIRECTORY 0
#endif
+#define GF_XATTR_PATHINFO_KEY "trusted.glusterfs.pathinfo"
+#define GF_XATTR_LINKINFO_KEY "trusted.distribute.linkinfo"
+
#define ZR_FILE_CONTENT_STR "glusterfs.file."
#define ZR_FILE_CONTENT_STRLEN 15