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Add back missing patches

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0012-RH-update-on-show-topology.patch
0013-RH-manpage-update.patch
0014-RH-RHEL5-style-partitions.patch
0015-RH-add-followover.patch
0016-RH-dont-remove-map-on-enomem.patch
0017-RH-fix-shutdown-crash.patch
0018-RH-warn-on-bad-dev-loss-tmo.patch
0019-RH-deprecate-uid-gid-mode.patch
0020-RH-dont-remove-map-twice.patch
0021-RH-validate-guid-partitions.patch
0022-RH-adjust-messages.patch
0023-RH-manpage-update.patch
This commit is contained in:
Benjamin Marzinski 2012-02-10 11:38:28 -06:00
parent a1478bc1bc
commit 8d4916400c
13 changed files with 1169 additions and 1 deletions
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141
0012-RH-update-on-show-topology.patch Normal file
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@ -0,0 +1,141 @@
---
libmultipath/structs_vec.c | 18 ++++++++++--------
libmultipath/structs_vec.h | 6 ++++--
libmultipath/waiter.c | 2 +-
multipathd/cli_handlers.c | 14 +++++++++++---
4 files changed, 26 insertions(+), 14 deletions(-)
Index: multipath-tools-120123/multipathd/cli_handlers.c
===================================================================
--- multipath-tools-120123.orig/multipathd/cli_handlers.c
+++ multipath-tools-120123/multipathd/cli_handlers.c
@@ -68,13 +68,16 @@ show_paths (char ** r, int * len, struct
}
int
-show_map_topology (char ** r, int * len, struct multipath * mpp)
+show_map_topology (char ** r, int * len, struct multipath * mpp,
+ struct vectors * vecs)
{
char * c;
char * reply;
unsigned int maxlen = INITIAL_REPLY_LEN;
int again = 1;
+ if (update_multipath(vecs, mpp->alias, 0))
+ return 1;
reply = MALLOC(maxlen);
while (again) {
@@ -112,9 +115,14 @@ show_maps_topology (char ** r, int * len
c = reply;
- vector_foreach_slot(vecs->mpvec, mpp, i)
+ vector_foreach_slot(vecs->mpvec, mpp, i) {
+ if (update_multipath(vecs, mpp->alias, 0)) {
+ i--;
+ continue;
+ }
c += snprint_multipath_topology(c, reply + maxlen - c,
mpp, 2);
+ }
again = ((c - reply) == (maxlen - 1));
@@ -232,7 +240,7 @@ cli_list_map_topology (void * v, char **
condlog(3, "list multipath %s (operator)", param);
- return show_map_topology(reply, len, mpp);
+ return show_map_topology(reply, len, mpp, vecs);
}
int
Index: multipath-tools-120123/libmultipath/structs_vec.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/structs_vec.c
+++ multipath-tools-120123/libmultipath/structs_vec.c
@@ -324,7 +324,7 @@ set_no_path_retry(struct multipath *mpp)
}
extern int
-setup_multipath (struct vectors * vecs, struct multipath * mpp)
+__setup_multipath (struct vectors * vecs, struct multipath * mpp, int reset)
{
if (dm_get_info(mpp->alias, &mpp->dmi)) {
/* Error accessing table */
@@ -353,11 +353,13 @@ setup_multipath (struct vectors * vecs,
condlog(3, "%s: no hardware entry found, using defaults",
mpp->alias);
}
- select_rr_weight(mpp);
- select_pgfailback(mpp);
- set_no_path_retry(mpp);
- select_pg_timeout(mpp);
- select_flush_on_last_del(mpp);
+ if (reset) {
+ select_rr_weight(mpp);
+ select_pgfailback(mpp);
+ set_no_path_retry(mpp);
+ select_pg_timeout(mpp);
+ select_flush_on_last_del(mpp);
+ }
return 0;
out:
@@ -479,7 +481,7 @@ verify_paths(struct multipath * mpp, str
return count;
}
-int update_multipath (struct vectors *vecs, char *mapname)
+int update_multipath (struct vectors *vecs, char *mapname, int reset)
{
struct multipath *mpp;
struct pathgroup *pgp;
@@ -496,7 +498,7 @@ int update_multipath (struct vectors *ve
free_pgvec(mpp->pg, KEEP_PATHS);
mpp->pg = NULL;
- if (setup_multipath(vecs, mpp))
+ if (__setup_multipath(vecs, mpp, reset))
return 1; /* mpp freed in setup_multipath */
adopt_paths(vecs->pathvec, mpp, 0);
Index: multipath-tools-120123/libmultipath/structs_vec.h
===================================================================
--- multipath-tools-120123.orig/libmultipath/structs_vec.h
+++ multipath-tools-120123/libmultipath/structs_vec.h
@@ -21,7 +21,9 @@ void orphan_path (struct path * pp);
int verify_paths(struct multipath * mpp, struct vectors * vecs, vector rpvec);
int update_mpp_paths(struct multipath * mpp, vector pathvec);
-int setup_multipath (struct vectors * vecs, struct multipath * mpp);
+int __setup_multipath (struct vectors * vecs, struct multipath * mpp,
+ int reset);
+#define setup_multipath(vecs, mpp) __setup_multipath(vecs, mpp, 1)
int update_multipath_strings (struct multipath *mpp, vector pathvec);
void remove_map (struct multipath * mpp, struct vectors * vecs, int purge_vec);
@@ -32,7 +34,7 @@ void remove_maps_and_stop_waiters (struc
struct multipath * add_map_without_path (struct vectors * vecs, char * alias);
struct multipath * add_map_with_path (struct vectors * vecs,
struct path * pp, int add_vec);
-int update_multipath (struct vectors *vecs, char *mapname);
+int update_multipath (struct vectors *vecs, char *mapname, int reset);
void update_queue_mode_del_path(struct multipath *mpp);
void update_queue_mode_add_path(struct multipath *mpp);
Index: multipath-tools-120123/libmultipath/waiter.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/waiter.c
+++ multipath-tools-120123/libmultipath/waiter.c
@@ -157,7 +157,7 @@ int waiteventloop (struct event_thread *
*/
pthread_cleanup_push(cleanup_lock, &waiter->vecs->lock);
lock(waiter->vecs->lock);
- r = update_multipath(waiter->vecs, waiter->mapname);
+ r = update_multipath(waiter->vecs, waiter->mapname, 1);
lock_cleanup_pop(waiter->vecs->lock);
if (r) {

169
0013-RH-manpage-update.patch Normal file
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@ -0,0 +1,169 @@
---
multipath/multipath.conf.5 | 79 ++++++++++++++++++++++++++++++++++++---------
1 file changed, 64 insertions(+), 15 deletions(-)
Index: multipath-tools-120123/multipath/multipath.conf.5
===================================================================
--- multipath-tools-120123.orig/multipath/multipath.conf.5
+++ multipath-tools-120123/multipath/multipath.conf.5
@@ -82,6 +82,11 @@ maximal interval between two path checks
directory where udev creates its device nodes; default is
.I /dev
.TP
+.B multipath_dir
+directory where the dynamic shared objects are stored; default is system
+dependent, commonly
+.I /lib/multipath
+.TP
.B verbosity
default verbosity. Higher values increase the verbosity level. Valid
levels are between 0 and 6; default is
@@ -141,7 +146,7 @@ Default value is \fImultibus\fR.
The default program and args to callout to obtain a unique path
identifier. Should be specified with an absolute path. Default value
is
-.I /lib/udev/scsi_id --whitelisted --device=/dev/%n
+.I /lib/udev/scsi_id --whitelisted --replace-whitespace --device=/dev/%n
.TP
.B prio
The name of the path priority routine. The specified routine
@@ -177,17 +182,22 @@ Generate the path priority for Hitachi H
.B random
Generate a random priority between 1 and 10.
.TP 12
-.B weightedpath <hbtl|devname> <regex1> <prio1> <regex2> <prio2> ...
-.I hbtl
-regex can be of SCSI H:B:T:L format Ex: 1:0:.:. , *:0:0:.
-.I devname
-regex can be of device name format Ex: sda , sd.e
+.B weightedpath
Generate the path priority based on the regular expression and the
-priority provided as argument.
+priority provided as argument. requires prio_args keyword.
.TP
Default value is \fBnone\fR.
.RE
.TP
+.B prio_args
+Arguments to pass to to the prio function. Currently only used with
+.I weighted, which needs a value of the form
+.I "<hbtl|devname> <regex1> <prio1> <regex2> <prio2> ..."
+.I hbtl
+regex can be of SCSI H:B:T:L format Ex: 1:0:.:. , *:0:0:.
+.I devname
+regex can be of device name format Ex: sda , sd.e
+.TP
.B features
Specify any device-mapper features to be used. Syntax is
.I num list
@@ -238,19 +248,33 @@ Default value is \fIdirectio\fR.
.RE
.TP
.B failback
-Tell the daemon to manage path group failback, or not to. 0 or
-.I immediate
-means immediate failback, values >0 means deferred failback (in
-seconds).
-.I manual
-means no failback. Default value is
-.I manual
+Tell multipathd how to manage path group failback.
+.RS
+.TP 12
+.B immediate
+Immediately failback to the highest priority pathgroup that contains
+active paths.
+.TP
+.B manual
+Do not perform automatic failback.
+.TP
+.B values > 0
+deferred failback (time to defer in seconds)
+.TP
+Default value is \fImanual\fR.
+.RE
.TP
.B rr_min_io
The number of IO to route to a path before switching to the next in
-the same path group. Default is
+the same path group. This is only for BIO based multipath. Default is
.I 1000
.TP
+.B rr_min_io_q
+The number of IO requests to route to a path before switching to the
+next in the same path group. This is only for request based multipath.
+Default is
+.I 1
+.TP
.B rr_weight
If set to \fIpriorities\fR the multipath configurator will assign
path weights as "path prio * rr_min_io". Possible values are
@@ -280,6 +304,13 @@ be overriden by any specific aliases in
Default is
.I no
.TP
+.B flush_on_last_del
+If set to
+.I yes
+, multipathd will disable queueing when the last path to a device has been
+deleted. Default is
+.I no
+.TP
.B max_fds
Specify the maximum number of file descriptors that can be opened by multipath
and multipathd. This is equivalent to ulimit -n. A value of \fImax\fR will set
@@ -413,12 +444,20 @@ section:
.TP
.B prio
.TP
+.B prio_args
+.TP
.B failback
.TP
+.B rr_weight
+.TP
+.B flush_on_last_del
+.TP
.B no_path_retry
.TP
.B rr_min_io
.TP
+.B rr_min_io_q
+.TP
.B features
.RE
.PD
@@ -446,6 +485,10 @@ subsection recognizes the following attr
.B product_blacklist
(Optional) Product strings to blacklist for this vendor
.TP
+.B alias_prefix
+(Optional) The user_friendly_names prefix to use for this
+device type, instead of the default "mpath"
+.TP
.B hardware_handler
(Optional) The hardware handler to use for this device type.
The following hardware handler are implemented:
@@ -483,6 +526,8 @@ section:
.TP
.B prio
.TP
+.B prio_args
+.TP
.B features
.TP
.B failback
@@ -493,9 +538,13 @@ section:
.TP
.B rr_min_io
.TP
+.B rr_min_io_rq
+.TP
.B fast_io_fail_tmo
.TP
.B dev_loss_tmo
+.TP
+.B flush_on_last_del
.RE
.PD
.LP

327
0014-RH-RHEL5-style-partitions.patch Normal file
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@ -0,0 +1,327 @@
---
kpartx/bsd.c | 35 ---------------
kpartx/dos.c | 7 +--
kpartx/kpartx.c | 123 +++++++-------------------------------------------------
kpartx/kpartx.h | 1
kpartx/sun.c | 35 ---------------
5 files changed, 24 insertions(+), 177 deletions(-)
Index: multipath-tools-120123/kpartx/bsd.c
===================================================================
--- multipath-tools-120123.orig/kpartx/bsd.c
+++ multipath-tools-120123/kpartx/bsd.c
@@ -50,10 +50,10 @@ int
read_bsd_pt(int fd, struct slice all, struct slice *sp, int ns) {
struct bsd_disklabel *l;
struct bsd_partition *p;
- unsigned int offset = all.start, end;
+ unsigned int offset = all.start;
int max_partitions;
char *bp;
- int n = 0, i, j;
+ int n = 0;
bp = getblock(fd, offset+1); /* 1 sector suffices */
if (bp == NULL)
@@ -79,36 +79,5 @@ read_bsd_pt(int fd, struct slice all, st
break;
}
}
- /*
- * Convention has it that the bsd disklabel will always have
- * the 'c' partition spanning the entire disk.
- * So we have to check for contained slices.
- */
- for(i = 0; i < n; i++) {
- if (sp[i].size == 0)
- continue;
-
- end = sp[i].start + sp[i].size;
- for(j = 0; j < n; j ++) {
- if ( i == j )
- continue;
- if (sp[j].size == 0)
- continue;
-
- if (sp[i].start < sp[j].start) {
- if (end > sp[j].start &&
- end < sp[j].start + sp[j].size) {
- /* Invalid slice */
- fprintf(stderr,
- "bsd_disklabel: slice %d overlaps with %d\n", i , j);
- sp[i].size = 0;
- }
- } else {
- if (end <= sp[j].start + sp[j].size) {
- sp[i].container = j + 1;
- }
- }
- }
- }
return n;
}
Index: multipath-tools-120123/kpartx/dos.c
===================================================================
--- multipath-tools-120123.orig/kpartx/dos.c
+++ multipath-tools-120123/kpartx/dos.c
@@ -16,7 +16,7 @@ is_extended(int type) {
}
static int
-read_extended_partition(int fd, struct partition *ep, int en,
+read_extended_partition(int fd, struct partition *ep,
struct slice *sp, int ns)
{
struct partition p;
@@ -53,7 +53,6 @@ read_extended_partition(int fd, struct p
if (n < ns) {
sp[n].start = here + le32_to_cpu(p.start_sect);
sp[n].size = le32_to_cpu(p.nr_sects);
- sp[n].container = en + 1;
n++;
} else {
fprintf(stderr,
@@ -98,7 +97,9 @@ read_dos_pt(int fd, struct slice all, st
break;
}
if (is_extended(p.sys_type)) {
- n += read_extended_partition(fd, &p, i, sp+n, ns-n);
+ n += read_extended_partition(fd, &p, sp+n, ns-n);
+ /* hide the extended partition itself */
+ sp[i].size = 2;
}
}
return n;
Index: multipath-tools-120123/kpartx/kpartx.c
===================================================================
--- multipath-tools-120123.orig/kpartx/kpartx.c
+++ multipath-tools-120123/kpartx/kpartx.c
@@ -190,7 +190,7 @@ get_hotplug_device(void)
int
main(int argc, char **argv){
- int i, j, m, n, op, off, arg, c, d, ro=0;
+ int i, j, m, n, op, off, arg, ro=0;
int fd = -1;
struct slice all;
struct pt *ptp;
@@ -380,49 +380,30 @@ main(int argc, char **argv){
else
continue;
+ /*
+ * test for overlap, as in the case of an extended partition
+ * zero their size to avoid mapping
+ */
+ for (j = 0; j < n; j++) {
+ for (m = j + 1; m < n; m++) {
+ if (slices[m].start > slices[j].start &&
+ slices[m].start < slices[j].start +
+ slices[j].size)
+ slices[j].size = 0;
+ }
+ }
+
switch(what) {
case LIST:
- for (j = 0, c = 0, m = 0; j < n; j++) {
+ for (j = 0; j < n; j++) {
if (slices[j].size == 0)
continue;
- if (slices[j].container > 0) {
- c++;
- continue;
- }
-
- slices[j].minor = m++;
printf("%s%s%d : 0 %" PRIu64 " %s %" PRIu64"\n",
mapname, delim, j+1,
slices[j].size, device,
slices[j].start);
}
- /* Loop to resolve contained slices */
- d = c;
- while (c) {
- for (j = 0; j < n; j++) {
- uint64_t start;
- int k = slices[j].container - 1;
-
- if (slices[j].size == 0)
- continue;
- if (slices[j].minor > 0)
- continue;
- if (slices[j].container == 0)
- continue;
- slices[j].minor = m++;
-
- start = slices[j].start - slices[k].start;
- printf("%s%s%d : 0 %" PRIu64 " /dev/dm-%d %" PRIu64 "\n",
- mapname, delim, j+1,
- slices[j].size,
- slices[k].minor, start);
- c--;
- }
- /* Terminate loop if nothing more to resolve */
- if (d == c)
- break;
- }
break;
@@ -461,16 +442,10 @@ main(int argc, char **argv){
case ADD:
case UPDATE:
/* ADD and UPDATE share the same code that adds new partitions. */
- for (j = 0, c = 0; j < n; j++) {
+ for (j = 0; j < n; j++) {
if (slices[j].size == 0)
continue;
- /* Skip all contained slices */
- if (slices[j].container > 0) {
- c++;
- continue;
- }
-
if (safe_sprintf(partname, "%s%s%d",
mapname, delim, j+1)) {
fprintf(stderr, "partname too small\n");
@@ -511,72 +486,6 @@ main(int argc, char **argv){
slices[j].minor, slices[j].size,
DM_TARGET, params);
}
- /* Loop to resolve contained slices */
- d = c;
- while (c) {
- for (j = 0; j < n; j++) {
- uint64_t start;
- int k = slices[j].container - 1;
-
- if (slices[j].size == 0)
- continue;
-
- /* Skip all existing slices */
- if (slices[j].minor > 0)
- continue;
-
- /* Skip all simple slices */
- if (slices[j].container == 0)
- continue;
-
- /* Check container slice */
- if (slices[k].size == 0)
- fprintf(stderr, "Invalid slice %d\n",
- k);
-
- if (safe_sprintf(partname, "%s%s%d",
- mapname, delim, j+1)) {
- fprintf(stderr, "partname too small\n");
- exit(1);
- }
- strip_slash(partname);
-
- start = slices[j].start - slices[k].start;
- if (safe_sprintf(params, "%d:%d %" PRIu64,
- slices[k].major,
- slices[k].minor,
- start)) {
- fprintf(stderr, "params too small\n");
- exit(1);
- }
-
- op = (dm_map_present(partname) ?
- DM_DEVICE_RELOAD : DM_DEVICE_CREATE);
-
- dm_addmap(op, partname, DM_TARGET, params,
- slices[j].size, ro, uuid, j+1,
- buf.st_mode & 0777,
- buf.st_uid, buf.st_gid,
- &cookie);
-
- if (op == DM_DEVICE_RELOAD)
- dm_simplecmd(DM_DEVICE_RESUME,
- partname, 1,
- &cookie);
-
- dm_devn(partname, &slices[j].major,
- &slices[j].minor);
-
- if (verbose)
- printf("add map %s : 0 %" PRIu64 " %s %s\n",
- partname, slices[j].size,
- DM_TARGET, params);
- c--;
- }
- /* Terminate loop */
- if (d == c)
- break;
- }
if (what == ADD) {
/* Skip code that removes devmappings for deleted partitions */
Index: multipath-tools-120123/kpartx/kpartx.h
===================================================================
--- multipath-tools-120123.orig/kpartx/kpartx.h
+++ multipath-tools-120123/kpartx/kpartx.h
@@ -24,7 +24,6 @@
struct slice {
uint64_t start;
uint64_t size;
- int container;
int major;
int minor;
};
Index: multipath-tools-120123/kpartx/sun.c
===================================================================
--- multipath-tools-120123.orig/kpartx/sun.c
+++ multipath-tools-120123/kpartx/sun.c
@@ -62,8 +62,8 @@ int
read_sun_pt(int fd, struct slice all, struct slice *sp, int ns) {
struct sun_disk_label *l;
struct sun_raw_part *s;
- unsigned int offset = all.start, end;
- int i, j, n;
+ unsigned int offset = all.start;
+ int i, n;
char *bp;
bp = getblock(fd, offset);
@@ -95,37 +95,6 @@ read_sun_pt(int fd, struct slice all, st
break;
}
}
- /*
- * Convention has it that the SUN disklabel will always have
- * the 'c' partition spanning the entire disk.
- * So we have to check for contained slices.
- */
- for(i = 0; i < SUN_DISK_MAXPARTITIONS; i++) {
- if (sp[i].size == 0)
- continue;
-
- end = sp[i].start + sp[i].size;
- for(j = 0; j < SUN_DISK_MAXPARTITIONS; j ++) {
- if ( i == j )
- continue;
- if (sp[j].size == 0)
- continue;
-
- if (sp[i].start < sp[j].start) {
- if (end > sp[j].start &&
- end < sp[j].start + sp[j].size) {
- /* Invalid slice */
- fprintf(stderr,
- "sun_disklabel: slice %d overlaps with %d\n", i , j);
- sp[i].size = 0;
- }
- } else {
- if (end <= sp[j].start + sp[j].size) {
- sp[i].container = j + 1;
- }
- }
- }
- }
return n;
}

156
0015-RH-add-followover.patch Normal file
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@ -0,0 +1,156 @@
---
libmultipath/dict.c | 12 ++++++++++++
libmultipath/print.c | 2 ++
libmultipath/structs.h | 3 ++-
multipath/multipath.conf.5 | 5 +++++
multipathd/main.c | 29 ++++++++++++++++++++++++++++-
5 files changed, 49 insertions(+), 2 deletions(-)
Index: multipath-tools-120123/libmultipath/dict.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/dict.c
+++ multipath-tools-120123/libmultipath/dict.c
@@ -406,6 +406,8 @@ default_failback_handler(vector strvec)
conf->pgfailback = -FAILBACK_MANUAL;
else if (strlen(buff) == 9 && !strcmp(buff, "immediate"))
conf->pgfailback = -FAILBACK_IMMEDIATE;
+ else if (strlen(buff) == 10 && !strcmp(buff, "followover"))
+ conf->pgfailback = -FAILBACK_FOLLOWOVER;
else
conf->pgfailback = atoi(buff);
@@ -1031,6 +1033,8 @@ hw_failback_handler(vector strvec)
hwe->pgfailback = -FAILBACK_MANUAL;
else if (strlen(buff) == 9 && !strcmp(buff, "immediate"))
hwe->pgfailback = -FAILBACK_IMMEDIATE;
+ else if (strlen(buff) == 10 && !strcmp(buff, "followover"))
+ hwe->pgfailback = -FAILBACK_FOLLOWOVER;
else
hwe->pgfailback = atoi(buff);
@@ -1303,6 +1307,8 @@ mp_failback_handler(vector strvec)
mpe->pgfailback = -FAILBACK_MANUAL;
else if (strlen(buff) == 9 && !strcmp(buff, "immediate"))
mpe->pgfailback = -FAILBACK_IMMEDIATE;
+ else if (strlen(buff) == 10 && !strcmp(buff, "followover"))
+ mpe->pgfailback = -FAILBACK_FOLLOWOVER;
else
mpe->pgfailback = atoi(buff);
@@ -1646,6 +1652,8 @@ snprint_mp_failback (char * buff, int le
return snprintf(buff, len, "manual");
case -FAILBACK_IMMEDIATE:
return snprintf(buff, len, "immediate");
+ case -FAILBACK_FOLLOWOVER:
+ return snprintf(buff, len, "followover");
default:
return snprintf(buff, len, "%i", mpe->pgfailback);
}
@@ -1985,6 +1993,8 @@ snprint_hw_failback (char * buff, int le
return snprintf(buff, len, "manual");
case -FAILBACK_IMMEDIATE:
return snprintf(buff, len, "immediate");
+ case -FAILBACK_FOLLOWOVER:
+ return snprintf(buff, len, "followover");
default:
return snprintf(buff, len, "%i", hwe->pgfailback);
}
@@ -2243,6 +2253,8 @@ snprint_def_failback (char * buff, int l
return snprintf(buff, len, "manual");
case -FAILBACK_IMMEDIATE:
return snprintf(buff, len, "immediate");
+ case -FAILBACK_FOLLOWOVER:
+ return snprintf(buff, len, "followover");
default:
return snprintf(buff, len, "%i", conf->pgfailback);
}
Index: multipath-tools-120123/libmultipath/print.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/print.c
+++ multipath-tools-120123/libmultipath/print.c
@@ -143,6 +143,8 @@ snprint_failback (char * buff, size_t le
{
if (mpp->pgfailback == -FAILBACK_IMMEDIATE)
return snprintf(buff, len, "immediate");
+ if (mpp->pgfailback == -FAILBACK_FOLLOWOVER)
+ return snprintf(buff, len, "followover");
if (!mpp->failback_tick)
return snprintf(buff, len, "-");
Index: multipath-tools-120123/libmultipath/structs.h
===================================================================
--- multipath-tools-120123.orig/libmultipath/structs.h
+++ multipath-tools-120123/libmultipath/structs.h
@@ -39,7 +39,8 @@ enum rr_weight_mode {
enum failback_mode {
FAILBACK_UNDEF,
FAILBACK_MANUAL,
- FAILBACK_IMMEDIATE
+ FAILBACK_IMMEDIATE,
+ FAILBACK_FOLLOWOVER
};
enum sysfs_buses {
Index: multipath-tools-120123/multipathd/main.c
===================================================================
--- multipath-tools-120123.orig/multipathd/main.c
+++ multipath-tools-120123/multipathd/main.c
@@ -1011,6 +1011,32 @@ mpvec_garbage_collector (struct vectors
}
}
+/* This is called after a path has started working again. It the multipath
+ * device for this path uses the followover failback type, and this is the
+ * best pathgroup, and this is the first path in the pathgroup to come back
+ * up, then switch to this pathgroup */
+static int
+followover_should_failback(struct path * pp)
+{
+ struct pathgroup * pgp;
+ struct path *pp1;
+ int i;
+
+ if (pp->mpp->pgfailback != -FAILBACK_FOLLOWOVER ||
+ !pp->mpp->pg || !pp->pgindex ||
+ pp->pgindex != pp->mpp->bestpg)
+ return 0;
+
+ pgp = VECTOR_SLOT(pp->mpp->pg, pp->pgindex - 1);
+ vector_foreach_slot(pgp->paths, pp1, i) {
+ if (pp1 == pp)
+ continue;
+ if (pp1->state != PATH_DOWN && pp1->state != PATH_SHAKY)
+ return 0;
+ }
+ return 1;
+}
+
static void
defered_failback_tick (vector mpvec)
{
@@ -1238,7 +1264,8 @@ check_path (struct vectors * vecs, struc
(new_path_up || pp->mpp->failback_tick <= 0))
pp->mpp->failback_tick =
pp->mpp->pgfailback + 1;
- else if (pp->mpp->pgfailback == -FAILBACK_IMMEDIATE)
+ else if (pp->mpp->pgfailback == -FAILBACK_IMMEDIATE ||
+ followover_should_failback(pp))
switch_pathgroup(pp->mpp);
}
}
Index: multipath-tools-120123/multipath/multipath.conf.5
===================================================================
--- multipath-tools-120123.orig/multipath/multipath.conf.5
+++ multipath-tools-120123/multipath/multipath.conf.5
@@ -258,6 +258,11 @@ active paths.
.B manual
Do not perform automatic failback.
.TP
+.B followover
+Only perform automatic failback when the first path of a pathgroup
+becomes active. This keeps a node from automatically failing back when
+another node requested the failover.
+.TP
.B values > 0
deferred failback (time to defer in seconds)
.TP

18
0016-RH-dont-remove-map-on-enomem.patch Normal file
View File

@ -0,0 +1,18 @@
---
multipathd/main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: multipath-tools-120123/multipathd/main.c
===================================================================
--- multipath-tools-120123.orig/multipathd/main.c
+++ multipath-tools-120123/multipathd/main.c
@@ -1003,7 +1003,8 @@ mpvec_garbage_collector (struct vectors
return;
vector_foreach_slot (vecs->mpvec, mpp, i) {
- if (mpp && mpp->alias && !dm_map_present(mpp->alias)) {
+ if (mpp && mpp->alias && !dm_map_present(mpp->alias) &&
+ errno != ENOMEM) {
condlog(2, "%s: remove dead map", mpp->alias);
remove_map_and_stop_waiter(mpp, vecs, 1);
i--;

69
0017-RH-fix-shutdown-crash.patch Normal file
View File

@ -0,0 +1,69 @@
---
libmultipath/log_pthread.c | 1 +
libmultipath/waiter.c | 1 +
multipathd/main.c | 6 +++++-
3 files changed, 7 insertions(+), 1 deletion(-)
Index: multipath-tools-120123/multipathd/main.c
===================================================================
--- multipath-tools-120123.orig/multipathd/main.c
+++ multipath-tools-120123/multipathd/main.c
@@ -735,6 +735,7 @@ uxsock_trigger (char * str, char ** repl
pthread_cleanup_push(cleanup_lock, &vecs->lock);
lock(vecs->lock);
+ pthread_testcancel();
r = parse_cmd(str, reply, len, vecs);
@@ -787,7 +788,9 @@ uev_trigger (struct uevent * uev, void *
if (uev_discard(uev->devpath))
return 0;
+ pthread_cleanup_push(cleanup_lock, &vecs->lock);
lock(vecs->lock);
+ pthread_testcancel();
/*
* device map event
@@ -827,7 +830,7 @@ uev_trigger (struct uevent * uev, void *
}
out:
- unlock(vecs->lock);
+ lock_cleanup_pop(vecs->lock);
return r;
}
@@ -1295,6 +1298,7 @@ checkerloop (void *ap)
block_signal(SIGHUP, &old);
pthread_cleanup_push(cleanup_lock, &vecs->lock);
lock(vecs->lock);
+ pthread_testcancel();
condlog(4, "tick");
if (vecs->pathvec) {
Index: multipath-tools-120123/libmultipath/waiter.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/waiter.c
+++ multipath-tools-120123/libmultipath/waiter.c
@@ -157,6 +157,7 @@ int waiteventloop (struct event_thread *
*/
pthread_cleanup_push(cleanup_lock, &waiter->vecs->lock);
lock(waiter->vecs->lock);
+ pthread_testcancel();
r = update_multipath(waiter->vecs, waiter->mapname, 1);
lock_cleanup_pop(waiter->vecs->lock);
Index: multipath-tools-120123/libmultipath/log_pthread.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/log_pthread.c
+++ multipath-tools-120123/libmultipath/log_pthread.c
@@ -87,6 +87,7 @@ void log_thread_stop (void)
pthread_mutex_lock(logq_lock);
pthread_cancel(log_thr);
pthread_mutex_unlock(logq_lock);
+ pthread_join(log_thr, NULL);
flush_logqueue();

68
0018-RH-warn-on-bad-dev-loss-tmo.patch Normal file
View File

@ -0,0 +1,68 @@
---
libmultipath/discovery.c | 22 +++++++++++++++-------
libmultipath/structs_vec.c | 5 -----
2 files changed, 15 insertions(+), 12 deletions(-)
Index: multipath-tools-120123/libmultipath/discovery.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/discovery.c
+++ multipath-tools-120123/libmultipath/discovery.c
@@ -299,17 +299,17 @@ sysfs_set_scsi_tmo (struct multipath *mp
no_path_retry_tmo = MAX_DEV_LOSS_TMO;
if (no_path_retry_tmo > dev_loss_tmo)
dev_loss_tmo = no_path_retry_tmo;
- condlog(3, "%s: update dev_loss_tmo to %d\n",
+ condlog(3, "%s: update dev_loss_tmo to %d",
mpp->alias, dev_loss_tmo);
} else if (mpp->no_path_retry == NO_PATH_RETRY_QUEUE) {
dev_loss_tmo = MAX_DEV_LOSS_TMO;
- condlog(4, "%s: update dev_loss_tmo to %d\n",
+ condlog(3, "%s: update dev_loss_tmo to %d",
mpp->alias, dev_loss_tmo);
}
mpp->dev_loss = dev_loss_tmo;
- if (mpp->fast_io_fail > mpp->dev_loss) {
+ if (mpp->fast_io_fail > (int)mpp->dev_loss) {
mpp->fast_io_fail = mpp->dev_loss;
- condlog(3, "%s: update fast_io_fail to %d\n",
+ condlog(3, "%s: update fast_io_fail to %d",
mpp->alias, mpp->fast_io_fail);
}
if (!mpp->dev_loss && !mpp->fast_io_fail)
@@ -333,9 +333,17 @@ sysfs_set_scsi_tmo (struct multipath *mp
snprintf(value, 11, "%u", mpp->dev_loss);
if (sysfs_attr_set_value(attr_path, "dev_loss_tmo",
value, 11) < 0) {
- condlog(0, "%s failed to set %s/dev_loss_tmo",
- mpp->alias, attr_path);
- return 1;
+ int err = 1;
+ if (mpp->fast_io_fail <= 0 && mpp->dev_loss > 600) {
+ strncpy(value, "600", 4);
+ condlog(3, "%s: limiting dev_loss_tmo to 600, since fast_io_fail is not set", mpp->alias);
+ if (sysfs_attr_set_value(attr_path, "dev_loss_tmo", value, 11) >= 0)
+ err = 0;
+ }
+ if (err) {
+ condlog(0, "%s failed to set %s/dev_loss_tmo", mpp->alias, attr_path);
+ return 1;
+ }
}
}
if (mpp->fast_io_fail){
Index: multipath-tools-120123/libmultipath/structs_vec.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/structs_vec.c
+++ multipath-tools-120123/libmultipath/structs_vec.c
@@ -441,11 +441,6 @@ verify_paths(struct multipath * mpp, str
if (!mpp)
return 0;
- select_features(mpp);
- select_no_path_retry(mpp);
- select_dev_loss(mpp);
- sysfs_set_scsi_tmo(mpp);
-
vector_foreach_slot (mpp->paths, pp, i) {
/*
* see if path is in sysfs

90
0019-RH-deprecate-uid-gid-mode.patch Normal file
View File

@ -0,0 +1,90 @@
---
multipath.conf.annotated | 53 -----------------------------------------------
multipath.conf.synthetic | 3 --
2 files changed, 56 deletions(-)
Index: multipath-tools-120123/multipath.conf.annotated
===================================================================
--- multipath-tools-120123.orig/multipath.conf.annotated
+++ multipath-tools-120123/multipath.conf.annotated
@@ -186,32 +186,6 @@
# user_friendly_names no
#
# #
-# # name : mode
-# # scope : multipath & multipathd
-# # desc : The mode to use for the multipath device nodes, in octal.
-# # values : 0000 - 0777
-# # default : determined by the process
-# mode 0644
-#
-# #
-# # name : uid
-# # scope : multipath & multipathd
-# # desc : The user id to use for the multipath device nodes. You
-# # may use either the numeric or symbolic uid
-# # values : <user_id>
-# # default : determined by the process
-# uid 0
-#
-# #
-# # name : gid
-# # scope : multipath & multipathd
-# # desc : The group id to user for the multipath device nodes. You
-# # may use either the numeric or symbolic gid
-# # values : <group_id>
-# # default : determined by the process
-# gid disk
-#
-# #
# # name : checker_timeout
# # scope : multipath & multipathd
# # desc : The timeout to use for path checkers that issue scsi
@@ -388,33 +362,6 @@
# #
# flush_on_last_del yes
#
-# #
-# # name : mode
-# # scope : multipath & multipathd
-# # desc : The mode to use for the multipath device nodes, in
-# # octal.
-# # values : 0000 - 0777
-# # default : determined by the process
-# mode 0644
-#
-# #
-# # name : uid
-# # scope : multipath & multipathd
-# # desc : The user id to use for the multipath device nodes.
-# # You may use either the numeric or symbolic uid
-# # values : <user_id>
-# # default : determined by the process
-# uid 0
-#
-# #
-# # name : gid
-# # scope : multipath & multipathd
-# # desc : The group id to user for the multipath device nodes.
-# # You may use either the numeric or symbolic gid
-# # values : <group_id>
-# # default : determined by the process
-# gid 0
-#
# }
# multipath {
# wwid 1DEC_____321816758474
Index: multipath-tools-120123/multipath.conf.synthetic
===================================================================
--- multipath-tools-120123.orig/multipath.conf.synthetic
+++ multipath-tools-120123/multipath.conf.synthetic
@@ -18,9 +18,6 @@
# no_path_retry fail
# queue_without_daemon no
# user_friendly_names no
-# mode 644
-# uid 0
-# gid disk
#}
#blacklist {
# wwid 26353900f02796769

17
0020-RH-dont-remove-map-twice.patch Normal file
View File

@ -0,0 +1,17 @@
---
multipathd/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: multipath-tools-120123/multipathd/main.c
===================================================================
--- multipath-tools-120123.orig/multipathd/main.c
+++ multipath-tools-120123/multipathd/main.c
@@ -524,7 +524,7 @@ rescan:
* update our state from kernel regardless of create or reload
*/
if (setup_multipath(vecs, mpp))
- goto fail_map;
+ goto fail; /* if setup_multipath fails, it removes the map */
sync_map_state(mpp);

24
0021-RH-validate-guid-partitions.patch Normal file
View File

@ -0,0 +1,24 @@
---
kpartx/gpt.c | 9 +++++++++
1 file changed, 9 insertions(+)
Index: multipath-tools-120123/kpartx/gpt.c
===================================================================
--- multipath-tools-120123.orig/kpartx/gpt.c
+++ multipath-tools-120123/kpartx/gpt.c
@@ -367,6 +367,15 @@ is_gpt_valid(int fd, uint64_t lba,
}
+ /* Check that sizeof_partition_entry has the correct value */
+ if (__le32_to_cpu((*gpt)->sizeof_partition_entry) != sizeof(gpt_entry)) {
+ // printf("GUID partition entry size check failed.\n");
+ free(*gpt);
+ *gpt = NULL;
+ return 0;
+ }
+
+
if (!(*ptes = alloc_read_gpt_entries(fd, *gpt))) {
free(*gpt);
*gpt = NULL;

32
0022-RH-adjust-messages.patch Normal file
View File

@ -0,0 +1,32 @@
---
libmultipath/configure.c | 3 +++
libmultipath/discovery.c | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
Index: multipath-tools-120123/libmultipath/configure.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/configure.c
+++ multipath-tools-120123/libmultipath/configure.c
@@ -590,6 +590,9 @@ coalesce_paths (struct vectors * vecs, v
"for create/reload map",
mpp->alias, r);
if (r == DOMAP_FAIL) {
+ condlog(2, "%s: %s map",
+ mpp->alias, (mpp->action == ACT_CREATE)?
+ "ignoring" : "removing");
remove_map(mpp, vecs, 0);
continue;
} else /* if (r == DOMAP_RETRY) */
Index: multipath-tools-120123/libmultipath/discovery.c
===================================================================
--- multipath-tools-120123.orig/libmultipath/discovery.c
+++ multipath-tools-120123/libmultipath/discovery.c
@@ -318,7 +318,7 @@ sysfs_set_scsi_tmo (struct multipath *mp
vector_foreach_slot(mpp->paths, pp, i) {
rport_id = find_rport_id(pp);
if (rport_id < 0) {
- condlog(0, "failed to find rport_id for target%d:%d:%d", pp->sg_id.host_no, pp->sg_id.channel, pp->sg_id.scsi_id);
+ condlog(3, "failed to find rport_id for target%d:%d:%d", pp->sg_id.host_no, pp->sg_id.channel, pp->sg_id.scsi_id);
return 1;
}

19
0023-RH-manpage-update.patch Normal file
View File

@ -0,0 +1,19 @@
---
multipath/multipath.conf.5 | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Index: multipath-tools-120123/multipath/multipath.conf.5
===================================================================
--- multipath-tools-120123.orig/multipath/multipath.conf.5
+++ multipath-tools-120123/multipath/multipath.conf.5
@@ -338,7 +338,9 @@ will disable the timeout.
.TP
.B dev_loss_tmo
Specify the number of seconds the scsi layer will wait after a problem has
-been detected on a FC remote port before removing it from the system.
+been detected on a FC remote port before removing it from the system. This
+can be set to "infinity" which sets it to the max value of 2147483647
+seconds, or 68 years.
.TP
.B queue_without_daemon
If set to

40
device-mapper-multipath.spec
View File

@ -1,7 +1,7 @@
Summary: Tools to manage multipath devices using device-mapper
Name: device-mapper-multipath
Version: 0.4.9
Release: 21%{?dist}
Release: 22%{?dist}
License: GPL+
Group: System Environment/Base
URL: http://christophe.varoqui.free.fr/
@ -19,6 +19,18 @@ Patch0008: 0008-RH-add-mpathconf.patch
Patch0009: 0009-RH-add-find-multipaths.patch
Patch0010: 0010-RH-check-if-multipath-owns-path.patch
Patch0011: 0011-RH-add-hp_tur-checker.patch
Patch0012: 0012-RH-update-on-show-topology.patch
Patch0013: 0013-RH-manpage-update.patch
Patch0014: 0014-RH-RHEL5-style-partitions.patch
Patch0015: 0015-RH-add-followover.patch
Patch0016: 0016-RH-dont-remove-map-on-enomem.patch
Patch0017: 0017-RH-fix-shutdown-crash.patch
Patch0018: 0018-RH-warn-on-bad-dev-loss-tmo.patch
Patch0019: 0019-RH-deprecate-uid-gid-mode.patch
Patch0020: 0020-RH-dont-remove-map-twice.patch
Patch0021: 0021-RH-validate-guid-partitions.patch
Patch0022: 0022-RH-adjust-messages.patch
Patch0023: 0023-RH-manpage-update.patch
# runtime
Requires: %{name}-libs = %{version}-%{release}
@ -82,6 +94,18 @@ kpartx manages partition creation and removal for device-mapper devices.
%patch0009 -p1
%patch0010 -p1
%patch0011 -p1
%patch0012 -p1
%patch0013 -p1
%patch0014 -p1
%patch0015 -p1
%patch0016 -p1
%patch0017 -p1
%patch0018 -p1
%patch0019 -p1
%patch0020 -p1
%patch0021 -p1
%patch0022 -p1
%patch0023 -p1
cp %{SOURCE1} .
%build
@ -172,6 +196,20 @@ bin/systemctl --no-reload enable multipathd.service >/dev/null 2>&1 ||:
%{_mandir}/man8/kpartx.8.gz
%changelog
* Fri Feb 10 2012 Benjamin Marzinski <bmarzins@redhat.com> 0.4.9-22
- Add 0012-RH-update-on-show-topology.patch
- Add 0013-RH-manpage-update.patch
- Add 0014-RH-RHEL5-style-partitions.patch
- Add 0015-RH-add-followover.patch
- Add 0016-RH-dont-remove-map-on-enomem.patch
- Add 0017-RH-fix-shutdown-crash.patch
- Add 0018-RH-warn-on-bad-dev-loss-tmo.patch
- Add 0019-RH-deprecate-uid-gid-mode.patch
- Add 0020-RH-dont-remove-map-twice.patch
- Add 0021-RH-validate-guid-partitions.patch
- Add 0022-RH-adjust-messages.patch
- Add 0023-RH-manpage-update.patch
* Tue Jan 24 2012 Benjamin Marzinski <bmarzins@redhat.com> 0.4.9-21
- Updated to latest upstream 0.4.9 code : multipath-tools-120123.tgz
(git commit id: 63704387009443bdb37d9deaaafa9ab121d45bfb)