WL#5498: Remove dead and unused source code

Remove the ancient and dead raid code. By now, even the server side
has been removed.

21 files changed, 55 insertions, 464 deletions

diff --git a/client/mysql.cc b/client/mysql.cc
index abf01d8127d..d768a01eb5d 100644
--- a/client/mysql.cc
+++ b/client/mysql.cc
@@ -627,10 +627,6 @@ static COMMANDS commands[] = {
   { "QUARTER", 0, 0, 0, ""},
   { "QUERY", 0, 0, 0, ""},
   { "QUICK", 0, 0, 0, ""},
-  { "RAID0", 0, 0, 0, ""},
-  { "RAID_CHUNKS", 0, 0, 0, ""},
-  { "RAID_CHUNKSIZE", 0, 0, 0, ""},
-  { "RAID_TYPE", 0, 0, 0, ""},
   { "READ", 0, 0, 0, ""},
   { "READS", 0, 0, 0, ""},
   { "REAL", 0, 0, 0, ""},
diff --git a/extra/replace.c b/extra/replace.c
index bbe70ba586e..5b5f9cee6f8 100644
--- a/extra/replace.c
+++ b/extra/replace.c
@@ -39,7 +39,6 @@
   fill_buffer_retaining() is taken from gnu-grep and modified.
 */
 
-#define DONT_USE_RAID
 #include <my_global.h>
 #include <m_ctype.h>
 #include <my_sys.h>
diff --git a/extra/resolve_stack_dump.c b/extra/resolve_stack_dump.c
index 432a207f424..6ea818c601b 100644
--- a/extra/resolve_stack_dump.c
+++ b/extra/resolve_stack_dump.c
@@ -17,7 +17,6 @@
    versions into symbolic names. By Sasha Pachev <sasha@mysql.com>
  */
 
-#define DONT_USE_RAID
 #include <my_global.h>
 #include <m_ctype.h>
 #include <my_sys.h>
diff --git a/include/my_global.h b/include/my_global.h
index b7ec40fc2e0..33eaefefe62 100644
--- a/include/my_global.h
+++ b/include/my_global.h
@@ -1125,22 +1125,6 @@ typedef long long intptr;
 
 #define MY_ERRPTR ((void*)(intptr)1)
 
-#ifdef USE_RAID
-/*
-  The following is done with a if to not get problems with pre-processors
-  with late define evaluation
-*/
-#if SIZEOF_OFF_T == 4
-#define SYSTEM_SIZEOF_OFF_T 4
-#else
-#define SYSTEM_SIZEOF_OFF_T 8
-#endif
-#undef  SIZEOF_OFF_T
-#define SIZEOF_OFF_T	    8
-#else
-#define SYSTEM_SIZEOF_OFF_T SIZEOF_OFF_T
-#endif /* USE_RAID */
-
 #if defined(_WIN32)
 typedef unsigned long long my_off_t;
 typedef unsigned long long os_off_t;
@@ -1699,8 +1683,6 @@ static inline double rint(double x)
 #undef HAVE_SMEM				/* No shared memory */
 #undef HAVE_NDBCLUSTER_DB /* No NDB cluster */
 
-#define DONT_USE_RAID
-
 #endif /* EMBEDDED_LIBRARY */
 
 #endif /* my_global_h */
diff --git a/include/my_nosys.h b/include/my_nosys.h
index ecb60333830..96ba6d4c464 100644
--- a/include/my_nosys.h
+++ b/include/my_nosys.h
@@ -30,7 +30,7 @@ extern "C" {
 #include <malloc.h>
 #endif
 
-#undef my_read			/* Can be predefined in raid.h */
+#undef my_read
 #undef my_write
 #undef my_seek
 #define my_read(a,b,c,d) my_quick_read(a,b,c,d)
diff --git a/include/my_sys.h b/include/my_sys.h
index 369a6b5b82b..95689535be5 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -78,7 +78,7 @@ extern int my_errno;  /* Last error in mysys */
 #define MY_WAIT_IF_FULL 32	/* Wait and try again if disk full error */
 #define MY_IGNORE_BADFD 32      /* my_sync: ignore 'bad descriptor' errors */
 #define MY_SYNC_DIR     8192    /* my_create/delete/rename: sync directory */
-#define MY_RAID         64      /* Support for RAID */
+#define MY_UNUSED       64      /* Unused (was support for RAID) */
 #define MY_FULL_IO     512      /* For my_read - loop intil I/O is complete */
 #define MY_DONT_CHECK_FILESIZE 128 /* Option to init_io_cache() */
 #define MY_LINK_WARNING 32	/* my_redel() gives warning if links */
diff --git a/include/myisam.h b/include/myisam.h
index 450b1cf366c..3efc65a900a 100644
--- a/include/myisam.h
+++ b/include/myisam.h
@@ -481,8 +481,7 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
 int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
 		      const char * name, int rep_quick);
 int change_to_newfile(const char * filename, const char * old_ext,
-		      const char * new_ext, uint raid_chunks,
-		      myf myflags);
+		      const char * new_ext, myf myflags);
 int lock_file(MI_CHECK *param, File file, my_off_t start, int lock_type,
 	      const char *filetype, const char *filename);
 void lock_memory(MI_CHECK *param);
diff --git a/include/mysql_embed.h b/include/mysql_embed.h
index b26b723381d..ae70b9723f8 100644
--- a/include/mysql_embed.h
+++ b/include/mysql_embed.h
@@ -28,7 +28,5 @@
 #undef HAVE_SMEM				/* No shared memory */
 #undef HAVE_NDBCLUSTER_DB /* No NDB cluster */
 
-#define DONT_USE_RAID
-
 #endif /* EMBEDDED_LIBRARY */
 #endif /* MYSQL_EMBED_INCLUDED */
diff --git a/libmysql/Makefile.am b/libmysql/Makefile.am
index 34bd443c0d0..07f66c28ddb 100644
--- a/libmysql/Makefile.am
+++ b/libmysql/Makefile.am
@@ -21,8 +21,8 @@
 # This file is public domain and comes with NO WARRANTY of any kind
 
 target =	libmysqlclient.la
-target_defs =	-DMYSQL_CLIENT_NO_THREADS -DDONT_USE_RAID \
-		-DDISABLE_MYSQL_THREAD_H @LIB_EXTRA_CCFLAGS@
+target_defs =	-DMYSQL_CLIENT_NO_THREADS -DDISABLE_MYSQL_THREAD_H \
+		@LIB_EXTRA_CCFLAGS@
 
 LIBS =		@CLIENT_LIBS@ 
 INCLUDES =	-I$(top_builddir)/include -I$(top_srcdir)/include \
diff --git a/libmysql_r/Makefile.am b/libmysql_r/Makefile.am
index dab45d93673..30aa2467dab 100644
--- a/libmysql_r/Makefile.am
+++ b/libmysql_r/Makefile.am
@@ -21,8 +21,7 @@
 # This file is public domain and comes with NO WARRANTY of any kind
 
 target = 	libmysqlclient_r.la
-target_defs = 	-DDISABLE_MYSQL_PRLOCK_H -DDONT_USE_RAID \
-		-DMYSQL_CLIENT @LIB_EXTRA_CCFLAGS@
+target_defs =   -DDISABLE_MYSQL_PRLOCK_H -DMYSQL_CLIENT @LIB_EXTRA_CCFLAGS@
 
 LIBS = 		@LIBS@ @ZLIB_LIBS@ @openssl_libs@
 
diff --git a/mysql-test/r/raid.result b/mysql-test/r/raid.result
deleted file mode 100644
index 459da1cdf49..00000000000
--- a/mysql-test/r/raid.result
+++ /dev/null
@@ -1,208 +0,0 @@
-DROP TABLE IF EXISTS t1,t2;
-DROP DATABASE IF EXISTS test_$1;
-create database test_$1;
-create table test_$1.r1 (i int) raid_type=1;
-create table test_$1.r2 (i int) raid_type=1 raid_chunks=32;
-drop database test_$1;
-create database test_$1;
-create table test_$1.r2 (i int) raid_type=1 raid_chunks=257;
-show create table test_$1.r2;
-Table	Create Table
-r2	CREATE TABLE `r2` (
-  `i` int(11) default NULL
-) ENGINE=MyISAM DEFAULT CHARSET=latin1 RAID_TYPE=striped RAID_CHUNKS=255 RAID_CHUNKSIZE=256
-drop database test_$1;
-CREATE TABLE t1 (
-id int unsigned not null auto_increment primary key,
-c char(255) not null
-) RAID_TYPE=STRIPED RAID_CHUNKS=2 RAID_CHUNKSIZE=123;
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-select count(*) from t1;
-count(*)
-450
-ALTER TABLE t1 ADD COLUMN x INT UNSIGNED NOT NULL;
-ALTER TABLE t1 ADD KEY c (c);
-ALTER TABLE t1 DROP KEY c;
-ALTER TABLE t1 DROP COLUMN x;
-ALTER TABLE t1 RENAME t2;
-select count(*) from t2;
-count(*)
-450
-DROP TABLE t2;
-/* variable rows */
-CREATE TABLE t1 (
-id int unsigned not null auto_increment primary key,
-c varchar(255) not null
-) RAID_TYPE=STRIPED RAID_CHUNKS=5 RAID_CHUNKSIZE=121;
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-INSERT INTO t1 VALUES 
-(NULL,'1'),(NULL,'a'),(NULL,'a'),(NULL,'a'),(NULL,'p'),(NULL,'a'),
-(NULL,'2'),(NULL,'b'),(NULL,'a'),(NULL,'a'),(NULL,'q'),(NULL,'a'),
-(NULL,'3'),(NULL,'c'),(NULL,'a'),(NULL,'a'),(NULL,'r'),(NULL,'a'),
-(NULL,'4'),(NULL,'d'),(NULL,'a'),(NULL,'a'),(NULL,'s'),(NULL,'a'),
-(NULL,'5'),(NULL,'e'),(NULL,'a'),(NULL,'a'),(NULL,'t'),(NULL,'a'),
-(NULL,'6'),(NULL,'f'),(NULL,'a'),(NULL,'a'),(NULL,'u'),(NULL,'a'),
-(NULL,'7'),(NULL,'g'),(NULL,'a'),(NULL,'a'),(NULL,'v'),(NULL,'a'),
-(NULL,'8'),(NULL,'h'),(NULL,'a'),(NULL,'a'),(NULL,'w'),(NULL,'a'),
-(NULL,'9'),(NULL,'i'),(NULL,'a'),(NULL,'a'),(NULL,'x'),(NULL,'a'),
-(NULL,'0'),(NULL,'j'),(NULL,'a'),(NULL,'a'),(NULL,'y'),(NULL,'a'),
-(NULL,'1'),(NULL,'k'),(NULL,'a'),(NULL,'a'),(NULL,'z'),(NULL,'a'),
-(NULL,'2'),(NULL,'l'),(NULL,'a'),(NULL,'a'),(NULL,'/'),(NULL,'a'),
-(NULL,'3'),(NULL,'m'),(NULL,'a'),(NULL,'a'),(NULL,'*'),(NULL,'a'),
-(NULL,'4'),(NULL,'n'),(NULL,'a'),(NULL,'a'),(NULL,'+'),(NULL,'a'),
-(NULL,'5'),(NULL,'o'),(NULL,'a'),(NULL,'a'),(NULL,'?'),(NULL,'a');
-select count(*) from t1;
-count(*)
-450
-ALTER TABLE t1 ADD COLUMN x INT UNSIGNED NOT NULL;
-ALTER TABLE t1 ADD KEY c (c);
-ALTER TABLE t1 DROP KEY c;
-ALTER TABLE t1 DROP COLUMN x;
-ALTER TABLE t1 RENAME t2;
-ALTER TABLE t2 CHANGE COLUMN c c VARCHAR(251) NOT NULL;
-select count(*) from t2;
-count(*)
-450
-DROP TABLE t2;
diff --git a/mysql-test/t/show_check.test b/mysql-test/t/show_check.test
index fa003c2fe69..3821701ad19 100644
--- a/mysql-test/t/show_check.test
+++ b/mysql-test/t/show_check.test
@@ -173,7 +173,7 @@ type_long_blob longblob,
 index(type_short)
 ) AVG_ROW_LENGTH=10 CHECKSUM=1 COMMENT="test" ENGINE=MYISAM MIN_ROWS=10 MAX_ROWS=100 PACK_KEYS=1 DELAY_KEY_WRITE=1 ROW_FORMAT=fixed CHARSET=latin1;
 
-# Not tested above: RAID_# UNION INSERT_METHOD DATA DIRECTORY INDEX DIRECTORY
+# Not tested above: UNION INSERT_METHOD DATA DIRECTORY INDEX DIRECTORY
 show create table t1;
 insert into t1 (type_timestamp) values ("2003-02-07 10:00:01");
 select * from t1;
diff --git a/mysys/mf_iocache.c b/mysys/mf_iocache.c
index daacc08044b..c4bba9c4e72 100644
--- a/mysys/mf_iocache.c
+++ b/mysys/mf_iocache.c
@@ -47,7 +47,6 @@ TODO:
   write buffer to the read buffer before we start to reuse it.
 */
 
-#define MAP_TO_USE_RAID
 #include "mysys_priv.h"
 #include <m_string.h>
 #ifdef HAVE_AIOWAIT
diff --git a/mysys/mf_iocache2.c b/mysys/mf_iocache2.c
index 5e34bff2b51..e940fc31c30 100644
--- a/mysys/mf_iocache2.c
+++ b/mysys/mf_iocache2.c
@@ -17,7 +17,6 @@
   More functions to be used with IO_CACHE files
 */
 
-#define MAP_TO_USE_RAID
 #include "mysys_priv.h"
 #include <m_string.h>
 #include <stdarg.h>
diff --git a/storage/myisam/mi_check.c b/storage/myisam/mi_check.c
index 13427130069..6bf01cd63c7 100644
--- a/storage/myisam/mi_check.c
+++ b/storage/myisam/mi_check.c
@@ -52,11 +52,6 @@
 #endif
 #include "rt_index.h"
 
-#ifndef USE_RAID
-#define my_raid_create(K, A, B, C, D, E, F, G) mysql_file_create(K, A, B, C, G)
-#define my_raid_delete(K, A, B, C) mysql_file_delete(K, A, B)
-#endif
-
 	/* Functions defined in this file */
 
 static int check_k_link(MI_CHECK *param, MI_INFO *info,uint nr);
@@ -1577,15 +1572,12 @@ int mi_repair(MI_CHECK *param, register MI_INFO *info,
   if (!rep_quick)
   {
     /* Get real path for data file */
-    if ((new_file= my_raid_create(mi_key_file_datatmp,
-                                  fn_format(param->temp_filename,
-                                            share->data_file_name, "",
-                                            DATA_TMP_EXT, 2+4),
-                                  0, param->tmpfile_createflag,
-                                  share->base.raid_type,
-                                  share->base.raid_chunks,
-                                  share->base.raid_chunksize,
-                                  MYF(0))) < 0)
+    if ((new_file= mysql_file_create(mi_key_file_datatmp,
+                                     fn_format(param->temp_filename,
+                                               share->data_file_name, "",
+                                               DATA_TMP_EXT, 2+4),
+                                     0, param->tmpfile_createflag,
+                                     MYF(0))) < 0)
     {
       mi_check_print_error(param,"Can't create new tempfile: '%s'",
 			   param->temp_filename);
@@ -1751,8 +1743,7 @@ err:
                          (size_t) info->s->mmaped_length);
         info->s->file_map= NULL;
       }
-      if (change_to_newfile(share->data_file_name,MI_NAME_DEXT,
-			    DATA_TMP_EXT, share->base.raid_chunks,
+      if (change_to_newfile(share->data_file_name, MI_NAME_DEXT, DATA_TMP_EXT,
 			    (param->testflag & T_BACKUP_DATA ?
 			     MYF(MY_REDEL_MAKE_BACKUP): MYF(0))) ||
 	  mi_open_datafile(info,share,name,-1))
@@ -1767,9 +1758,8 @@ err:
     if (new_file >= 0)
     {
       (void) mysql_file_close(new_file, MYF(0));
-      (void) my_raid_delete(mi_key_file_datatmp,
-                            param->temp_filename, info->s->base.raid_chunks,
-                            MYF(MY_WME));
+      (void) mysql_file_delete(mi_key_file_datatmp,
+                               param->temp_filename, MYF(MY_WME));
       info->rec_cache.file=-1; /* don't flush data to new_file, it's closed */
     }
     mi_mark_crashed_on_repair(info);
@@ -2011,7 +2001,7 @@ int mi_sort_index(MI_CHECK *param, register MI_INFO *info, char * name)
   (void) mysql_file_close(share->kfile, MYF(MY_WME));
   share->kfile = -1;
   (void) mysql_file_close(new_file, MYF(MY_WME));
-  if (change_to_newfile(share->index_file_name,MI_NAME_IEXT,INDEX_TMP_EXT,0,
+  if (change_to_newfile(share->index_file_name, MI_NAME_IEXT, INDEX_TMP_EXT,
 			MYF(0)) ||
       mi_open_keyfile(share))
     goto err2;
@@ -2141,18 +2131,9 @@ err:
 	*/
 
 int change_to_newfile(const char * filename, const char * old_ext,
-		      const char * new_ext,
-		      uint raid_chunks __attribute__((unused)),
-		      myf MyFlags)
+                      const char * new_ext, myf MyFlags)
 {
   char old_filename[FN_REFLEN],new_filename[FN_REFLEN];
-#ifdef USE_RAID
-  if (raid_chunks)
-    return my_raid_redel(fn_format(old_filename,filename,"",old_ext,2+4),
-			 fn_format(new_filename,filename,"",new_ext,2+4),
-			 raid_chunks,
-			 MYF(MY_WME | MY_LINK_WARNING | MyFlags));
-#endif
   /* Get real path to filename */
   (void) fn_format(old_filename,filename,"",old_ext,2+4+32);
   return my_redel(old_filename,
@@ -2293,15 +2274,12 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
   if (!rep_quick)
   {
     /* Get real path for data file */
-    if ((new_file= my_raid_create(mi_key_file_datatmp,
-                                  fn_format(param->temp_filename,
-                                            share->data_file_name, "",
-                                            DATA_TMP_EXT, 2+4),
-                                  0, param->tmpfile_createflag,
-                                  share->base.raid_type,
-                                  share->base.raid_chunks,
-                                  share->base.raid_chunksize,
-                                  MYF(0))) < 0)
+    if ((new_file= mysql_file_create(mi_key_file_datatmp,
+                                     fn_format(param->temp_filename,
+                                               share->data_file_name, "",
+                                               DATA_TMP_EXT, 2+4),
+                                     0, param->tmpfile_createflag,
+                                     MYF(0))) < 0)
     {
       mi_check_print_error(param,"Can't create new tempfile: '%s'",
 			   param->temp_filename);
@@ -2527,7 +2505,7 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
 	skr < share->base.reloc*share->base.min_pack_length)
       skr=share->base.reloc*share->base.min_pack_length;
 #endif
-    if (skr != sort_info.filelength && !info->s->base.raid_type)
+    if (skr != sort_info.filelength)
       if (mysql_file_chsize(info->dfile, skr, 0, MYF(0)))
 	mi_check_print_warning(param,
 			       "Can't change size of datafile,  error: %d",
@@ -2565,8 +2543,7 @@ err:
     {
       mysql_file_close(new_file, MYF(0));
       info->dfile=new_file= -1;
-      if (change_to_newfile(share->data_file_name,MI_NAME_DEXT,
-			    DATA_TMP_EXT, share->base.raid_chunks,
+      if (change_to_newfile(share->data_file_name,MI_NAME_DEXT, DATA_TMP_EXT,
 			    (param->testflag & T_BACKUP_DATA ?
 			     MYF(MY_REDEL_MAKE_BACKUP): MYF(0))) ||
 	  mi_open_datafile(info,share,name,-1))
@@ -2580,9 +2557,8 @@ err:
     if (new_file >= 0)
     {
       (void) mysql_file_close(new_file, MYF(0));
-      (void) my_raid_delete(mi_key_file_datatmp,
-                            param->temp_filename, share->base.raid_chunks,
-                            MYF(MY_WME));
+      (void) mysql_file_delete(mi_key_file_datatmp,
+                               param->temp_filename, MYF(MY_WME));
       if (info->dfile == new_file) /* Retry with key cache */
         if (unlikely(mi_open_datafile(info, share, name, -1)))
           param->retry_repair= 0; /* Safety */
@@ -2751,16 +2727,12 @@ int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
   if (!rep_quick)
   {
     /* Get real path for data file */
-    if ((new_file= my_raid_create(mi_key_file_datatmp,
-                                  fn_format(param->temp_filename,
-                                            share->data_file_name, "",
-                                            DATA_TMP_EXT,
-                                            2+4),
-                                  0, param->tmpfile_createflag,
-                                  share->base.raid_type,
-                                  share->base.raid_chunks,
-                                  share->base.raid_chunksize,
-                                  MYF(0))) < 0)
+    if ((new_file= mysql_file_create(mi_key_file_datatmp,
+                                     fn_format(param->temp_filename,
+                                               share->data_file_name, "",
+                                               DATA_TMP_EXT, 2+4),
+                                     0, param->tmpfile_createflag,
+                                     MYF(0))) < 0)
     {
       mi_check_print_error(param,"Can't create new tempfile: '%s'",
 			   param->temp_filename);
@@ -3055,7 +3027,7 @@ int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
 	skr < share->base.reloc*share->base.min_pack_length)
       skr=share->base.reloc*share->base.min_pack_length;
 #endif
-    if (skr != sort_info.filelength && !info->s->base.raid_type)
+    if (skr != sort_info.filelength)
       if (mysql_file_chsize(info->dfile, skr, 0, MYF(0)))
 	mi_check_print_warning(param,
 			       "Can't change size of datafile,  error: %d",
@@ -3105,8 +3077,7 @@ err:
     {
       mysql_file_close(new_file, MYF(0));
       info->dfile=new_file= -1;
-      if (change_to_newfile(share->data_file_name,MI_NAME_DEXT,
-			    DATA_TMP_EXT, share->base.raid_chunks,
+      if (change_to_newfile(share->data_file_name, MI_NAME_DEXT, DATA_TMP_EXT,
 			    (param->testflag & T_BACKUP_DATA ?
 			     MYF(MY_REDEL_MAKE_BACKUP): MYF(0))) ||
 	  mi_open_datafile(info,share,name,-1))
@@ -3120,9 +3091,8 @@ err:
     if (new_file >= 0)
     {
       (void) mysql_file_close(new_file, MYF(0));
-      (void) my_raid_delete(mi_key_file_datatmp,
-                            param->temp_filename, share->base.raid_chunks,
-                            MYF(MY_WME));
+      (void) mysql_file_delete(mi_key_file_datatmp,
+                               param->temp_filename, MYF(MY_WME));
       if (info->dfile == new_file) /* Retry with key cache */
         if (unlikely(mi_open_datafile(info, share, name, -1)))
           param->retry_repair= 0; /* Safety */
diff --git a/storage/myisam/mi_create.c b/storage/myisam/mi_create.c
index 4a91c2d939b..46c61eb4709 100644
--- a/storage/myisam/mi_create.c
+++ b/storage/myisam/mi_create.c
@@ -549,11 +549,6 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
   share.base.pack_bits=packed;
   share.base.fields=fields;
   share.base.pack_fields=packed;
-#ifdef USE_RAID
-  share.base.raid_type=ci->raid_type;
-  share.base.raid_chunks=ci->raid_chunks;
-  share.base.raid_chunksize=ci->raid_chunksize;
-#endif
 
   /* max_data_file_length and max_key_file_length are recalculated on open */
   if (options & HA_OPTION_TMP_TABLE)
@@ -642,20 +637,6 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
 
   if (!(flags & HA_DONT_TOUCH_DATA))
   {
-#ifdef USE_RAID
-    if (share.base.raid_type)
-    {
-      (void) fn_format(filename, name, "", MI_NAME_DEXT,
-                       MY_UNPACK_FILENAME | MY_APPEND_EXT);
-      if ((dfile=my_raid_create(filename, 0, create_mode,
-				share.base.raid_type,
-				share.base.raid_chunks,
-				share.base.raid_chunksize,
-				MYF(MY_WME | MY_RAID))) < 0)
-	goto err;
-    }
-    else
-#endif
     {
       if (ci->data_file_name)
       {
@@ -841,7 +822,6 @@ err:
     (void) mysql_file_close(dfile, MYF(0));
     /* fall through */
   case 2:
-    /* QQ: Tõnu should add a call to my_raid_delete() here */
   if (! (flags & HA_DONT_TOUCH_DATA))
     mysql_file_delete_with_symlink(mi_key_file_dfile,
                                    fn_format(filename, name, "", MI_NAME_DEXT,
diff --git a/storage/myisam/mi_delete_table.c b/storage/myisam/mi_delete_table.c
index 58a60a760aa..a05a2ad6237 100644
--- a/storage/myisam/mi_delete_table.c
+++ b/storage/myisam/mi_delete_table.c
@@ -22,40 +22,11 @@
 int mi_delete_table(const char *name)
 {
   char from[FN_REFLEN];
-#ifdef USE_RAID
-  uint raid_type=0,raid_chunks=0;
-#endif
   DBUG_ENTER("mi_delete_table");
 
 #ifdef EXTRA_DEBUG
   check_table_is_closed(name,"delete");
 #endif
-#ifdef USE_RAID
-  {
-    MI_INFO *info;
-    /*
-      When built with RAID support, we need to determine if this table
-      makes use of the raid feature. If yes, we need to remove all raid
-      chunks. This is done with my_raid_delete(). Unfortunately it is
-      necessary to open the table just to check this. We use
-      'open_for_repair' to be able to open even a crashed table. If even
-      this open fails, we assume no raid configuration for this table
-      and try to remove the normal data file only. This may however
-      leave the raid chunks behind.
-    */
-    if (!(info= mi_open(name, O_RDONLY, HA_OPEN_FOR_REPAIR)))
-      raid_type= 0;
-    else
-    {
-      raid_type=   info->s->base.raid_type;
-      raid_chunks= info->s->base.raid_chunks;
-      mi_close(info);
-    }
-  }
-#ifdef EXTRA_DEBUG
-  check_table_is_closed(name,"delete");
-#endif
-#endif /* USE_RAID */
 
   fn_format(from,name,"",MI_NAME_IEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
   if (my_is_symlink(from) && (*myisam_test_invalid_symlink)(from))
@@ -73,10 +44,6 @@ int mi_delete_table(const char *name)
       DBUG_RETURN(my_errno);
   }
   fn_format(from,name,"",MI_NAME_DEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
-#ifdef USE_RAID
-  if (raid_type)
-    DBUG_RETURN(my_raid_delete(from, raid_chunks, MYF(MY_WME)) ? my_errno : 0);
-#endif
   if (my_is_symlink(from) && (*myisam_test_invalid_symlink)(from))
   {
     /*
diff --git a/storage/myisam/mi_open.c b/storage/myisam/mi_open.c
index 5b3da9841b8..2b2161ef029 100644
--- a/storage/myisam/mi_open.c
+++ b/storage/myisam/mi_open.c
@@ -260,25 +260,6 @@ MI_INFO *mi_open(const char *name, int mode, uint open_flags)
     set_if_smaller(max_data_file_length, INT_MAX32);
     set_if_smaller(max_key_file_length, INT_MAX32);
 #endif
-#if USE_RAID && SYSTEM_SIZEOF_OFF_T == 4
-    set_if_smaller(max_key_file_length, INT_MAX32);
-    if (!share->base.raid_type)
-    {
-      set_if_smaller(max_data_file_length, INT_MAX32);
-    }
-    else
-    {
-      set_if_smaller(max_data_file_length,
-		     (ulonglong) share->base.raid_chunks << 31);
-    }
-#elif !defined(USE_RAID)
-    if (share->base.raid_type)
-    {
-      DBUG_PRINT("error",("Table uses RAID but we don't have RAID support"));
-      my_errno=HA_ERR_UNSUPPORTED;
-      goto err;
-    }
-#endif
     share->base.max_data_file_length=(my_off_t) max_data_file_length;
     share->base.max_key_file_length=(my_off_t) max_key_file_length;
 
@@ -1036,10 +1017,7 @@ uint mi_base_info_write(File file, MI_BASE_INFO *base)
   mi_int2store(ptr,base->max_key_length);		ptr +=2;
   mi_int2store(ptr,base->extra_alloc_bytes);		ptr +=2;
   *ptr++= base->extra_alloc_procent;
-  *ptr++= base->raid_type;
-  mi_int2store(ptr,base->raid_chunks);			ptr +=2;
-  mi_int4store(ptr,base->raid_chunksize);		ptr +=4;
-  bzero(ptr,6);						ptr +=6; /* extra */
+  bzero(ptr,13);					ptr +=13; /* extra */
   return mysql_file_write(file, buff, (size_t) (ptr-buff), MYF(MY_NABP)) != 0;
 }
 
@@ -1070,17 +1048,8 @@ uchar *my_n_base_info_read(uchar *ptr, MI_BASE_INFO *base)
   base->max_key_length = mi_uint2korr(ptr);		ptr +=2;
   base->extra_alloc_bytes = mi_uint2korr(ptr);		ptr +=2;
   base->extra_alloc_procent = *ptr++;
-  base->raid_type= *ptr++;
-  base->raid_chunks= mi_uint2korr(ptr);			ptr +=2;
-  base->raid_chunksize= mi_uint4korr(ptr);		ptr +=4;
-  /* TO BE REMOVED: Fix for old RAID files */
-  if (base->raid_type == 0)
-  {
-    base->raid_chunks=0;
-    base->raid_chunksize=0;
-  }
 
-  ptr+=6;
+  ptr+=13;
   return ptr;
 }
 
@@ -1223,7 +1192,7 @@ uchar *mi_recinfo_read(uchar *ptr, MI_COLUMNDEF *recinfo)
 }
 
 /**************************************************************************
-Open data file with or without RAID
+Open data file.
 We can't use dup() here as the data file descriptors need to have different
 active seek-positions.
 
@@ -1251,20 +1220,8 @@ int mi_open_datafile(MI_INFO *info, MYISAM_SHARE *share, const char *org_name,
       data_name= real_data_name;
     }
   }
-#ifdef USE_RAID
-  if (share->base.raid_type)
-  {
-    info->dfile=my_raid_open(data_name,
-			     share->mode | O_SHARE,
-			     share->base.raid_type,
-			     share->base.raid_chunks,
-			     share->base.raid_chunksize,
-			     MYF(MY_WME | MY_RAID));
-  }
-  else
-#endif
-    info->dfile= mysql_file_open(mi_key_file_dfile,
-                                 data_name, share->mode | O_SHARE, MYF(MY_WME));
+  info->dfile= mysql_file_open(mi_key_file_dfile,
+                               data_name, share->mode | O_SHARE, MYF(MY_WME));
   return info->dfile >= 0 ? 0 : 1;
 }
 
diff --git a/storage/myisam/mi_rename.c b/storage/myisam/mi_rename.c
index 56ccb333d03..455d45cecfe 100644
--- a/storage/myisam/mi_rename.c
+++ b/storage/myisam/mi_rename.c
@@ -22,28 +22,12 @@
 int mi_rename(const char *old_name, const char *new_name)
 {
   char from[FN_REFLEN],to[FN_REFLEN];
-#ifdef USE_RAID
-  uint raid_type=0,raid_chunks=0;
-#endif
   DBUG_ENTER("mi_rename");
 
 #ifdef EXTRA_DEBUG
   check_table_is_closed(old_name,"rename old_table");
   check_table_is_closed(new_name,"rename new table2");
 #endif
-#ifdef USE_RAID
-  {
-    MI_INFO *info;
-    if (!(info=mi_open(old_name, O_RDONLY, 0)))
-      DBUG_RETURN(my_errno);
-    raid_type =      info->s->base.raid_type;
-    raid_chunks =    info->s->base.raid_chunks;
-    mi_close(info);
-  }
-#ifdef EXTRA_DEBUG
-  check_table_is_closed(old_name,"rename raidcheck");
-#endif
-#endif /* USE_RAID */
 
   fn_format(from,old_name,"",MI_NAME_IEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
   fn_format(to,new_name,"",MI_NAME_IEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
@@ -51,11 +35,6 @@ int mi_rename(const char *old_name, const char *new_name)
     DBUG_RETURN(my_errno);
   fn_format(from,old_name,"",MI_NAME_DEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
   fn_format(to,new_name,"",MI_NAME_DEXT,MY_UNPACK_FILENAME|MY_APPEND_EXT);
-#ifdef USE_RAID
-  if (raid_type)
-    DBUG_RETURN(my_raid_rename(from, to, raid_chunks, MYF(MY_WME)) ? my_errno :
-		0);
-#endif
   DBUG_RETURN(mysql_file_rename_with_symlink(mi_key_file_dfile,
                                              from, to,
                                              MYF(MY_WME)) ? my_errno : 0);
diff --git a/storage/myisam/myisamchk.c b/storage/myisam/myisamchk.c
index e1cedf6bc31..6cc3ef9081b 100644
--- a/storage/myisam/myisamchk.c
+++ b/storage/myisam/myisamchk.c
@@ -29,11 +29,6 @@
 #endif
 SET_STACK_SIZE(9000)			/* Minimum stack size for program */
 
-#ifndef USE_RAID
-#define my_raid_create(A,B,C,D,E,F,G) my_create(A,B,C,G)
-#define my_raid_delete(A,B,C) my_delete(A,B)
-#endif
-
 static uint decode_bits;
 static char **default_argv;
 static const char *load_default_groups[]= { "myisamchk", 0 };
@@ -782,7 +777,6 @@ static int myisamchk(MI_CHECK *param, char * filename)
 {
   int error,lock_type,recreate;
   int rep_quick= param->testflag & (T_QUICK | T_FORCE_UNIQUENESS);
-  uint raid_chunks;
   MI_INFO *info;
   File datafile;
   char llbuff[22],llbuff2[22];
@@ -844,7 +838,6 @@ static int myisamchk(MI_CHECK *param, char * filename)
   share->options&= ~HA_OPTION_READ_ONLY_DATA; /* We are modifing it */
   share->tot_locks-= share->r_locks;
   share->r_locks=0;
-  raid_chunks=share->base.raid_chunks;
 
   /*
     Skip the checking of the file if:
@@ -1013,9 +1006,7 @@ static int myisamchk(MI_CHECK *param, char * filename)
 	if (param->out_flag & O_NEW_DATA)
 	{			/* Change temp file to org file */
 	  (void) my_close(info->dfile,MYF(MY_WME)); /* Close new file */
-	  error|=change_to_newfile(filename,MI_NAME_DEXT,DATA_TMP_EXT,
-				   raid_chunks,
-				   MYF(0));
+	  error|=change_to_newfile(filename, MI_NAME_DEXT, DATA_TMP_EXT, MYF(0));
 	  if (mi_open_datafile(info,info->s, NULL, -1))
 	    error=1;
 	  param->out_flag&= ~O_NEW_DATA; /* We are using new datafile */
@@ -1146,12 +1137,10 @@ end2:
   {
     if (param->out_flag & O_NEW_DATA)
       error|=change_to_newfile(filename,MI_NAME_DEXT,DATA_TMP_EXT,
-			       raid_chunks,
 			       ((param->testflag & T_BACKUP_DATA) ?
 				MYF(MY_REDEL_MAKE_BACKUP) : MYF(0)));
     if (param->out_flag & O_NEW_INDEX)
-      error|=change_to_newfile(filename,MI_NAME_IEXT,INDEX_TMP_EXT,0,
-			       MYF(0));
+      error|=change_to_newfile(filename, MI_NAME_IEXT, INDEX_TMP_EXT, MYF(0));
   }
   (void) fflush(stdout); (void) fflush(stderr);
   if (param->error_printed)
@@ -1247,16 +1236,9 @@ static void descript(MI_CHECK *param, register MI_INFO *info, char * name)
 	     share->base.auto_key,
 	     llstr(share->state.auto_increment,llbuff));
     }
-    if (share->base.raid_type)
-    {
-      printf("RAID:                Type:  %u   Chunks: %u  Chunksize: %lu\n",
-	     share->base.raid_type,
-	     share->base.raid_chunks,
-	     share->base.raid_chunksize);
-    }
     if (share->options & (HA_OPTION_CHECKSUM | HA_OPTION_COMPRESS_RECORD))
       printf("Checksum:  %23s\n",llstr(info->state->checksum,llbuff));
-;
+
     if (share->options & HA_OPTION_DELAY_KEY_WRITE)
       printf("Keys are only flushed at close\n");
 
@@ -1527,14 +1509,11 @@ static int mi_sort_records(MI_CHECK *param,
     goto err;
   }
   fn_format(param->temp_filename,name,"", MI_NAME_DEXT,2+4+32);
-  new_file=my_raid_create(fn_format(param->temp_filename,
-				    param->temp_filename,"",
-				    DATA_TMP_EXT,2+4),
-			  0,param->tmpfile_createflag,
-			  share->base.raid_type,
-			  share->base.raid_chunks,
-			  share->base.raid_chunksize,
-			  MYF(0));
+  new_file= my_create(fn_format(param->temp_filename,
+                                param->temp_filename, "",
+                                DATA_TMP_EXT, 2+4),
+                      0, param->tmpfile_createflag,
+                      MYF(0));
   if (new_file < 0)
   {
     mi_check_print_error(param,"Can't create new tempfile: '%s'",
@@ -1609,8 +1588,7 @@ err:
   {
     (void) end_io_cache(&info->rec_cache);
     (void) my_close(new_file,MYF(MY_WME));
-    (void) my_raid_delete(param->temp_filename, share->base.raid_chunks,
-			  MYF(MY_WME));
+    (void) my_delete(param->temp_filename, MYF(MY_WME));
   }
   if (temp_buff)
   {
diff --git a/storage/myisam/myisamdef.h b/storage/myisam/myisamdef.h
index 7312500abbd..c7f0cb27a40 100644
--- a/storage/myisam/myisamdef.h
+++ b/storage/myisam/myisamdef.h
@@ -26,8 +26,9 @@
 #endif
 #include <mysql/psi/mysql_file.h>
 
-#if defined(my_write) && !defined(MAP_TO_USE_RAID)
-#undef my_write				/* undef map from my_nosys; We need test-if-disk full */
+/* undef map from my_nosys; We need test-if-disk full */
+#if defined(my_write)
+#undef my_write
 #endif
 
 typedef struct st_mi_status_info
@@ -130,9 +131,6 @@ typedef struct st_mi_base_info
   /* Extra allocation when using dynamic record format */
   uint extra_alloc_bytes;
   uint extra_alloc_procent;
-  /* Info about raid */
-  uint raid_type,raid_chunks;
-  ulong raid_chunksize;
   /* The following are from the header */
   uint key_parts,all_key_parts;
 } MI_BASE_INFO;