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- Only check raid devices automatically, do not attempt to repair them

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during the weekly data scrubbing
This commit is contained in:
Doug Ledford 2009-05-19 14:25:55 +00:00
parent 1c823de16c
commit 8f465351a2
3 changed files with 79 additions and 72 deletions
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143
mdadm-3.0-mapfile.patch
View File

@ -1,38 +1,9 @@
--- mdadm-3.0-devel3/Incremental.c.dev 2009-03-20 13:19:35.000000000 -0400
+++ mdadm-3.0-devel3/Incremental.c 2009-03-20 13:20:01.000000000 -0400
@@ -52,7 +52,7 @@ int Incremental(char *devname, int verbo
* a 'foreign' array.
* 4/ Determine device number.
* - If in mdadm.conf with std name, use that
- * - UUID in /var/run/mdadm.map use that
+ * - UUID in /dev/md/mdadm.map use that
* - If name is suggestive, use that. unless in use with different uuid.
* - Choose a free, high number.
* - Use a partitioned device unless strong suggestion not to.
@@ -67,7 +67,7 @@ int Incremental(char *devname, int verbo
* - check one drive in array to make sure metadata is a reasonably
* close match. Reject if not (e.g. different type)
* - add the device
- * 6/ Make sure /var/run/mdadm.map contains this array.
+ * 6/ Make sure /dev/md/mdadm.map contains this array.
* 7/ Is there enough devices to possibly start the array?
* For a container, this means running Incremental_container.
* 7a/ if not, finish with success.
@@ -315,7 +315,7 @@ int Incremental(char *devname, int verbo
}
info.array.working_disks = 1;
sysfs_free(sra);
- /* 6/ Make sure /var/run/mdadm.map contains this array. */
+ /* 6/ Make sure /dev/md/mdadm.map contains this array. */
map_update(&map, fd2devnum(mdfd),
info.text_version,
info.uuid, chosen_name);
--- mdadm-3.0-devel3/mapfile.c.dev 2009-03-20 13:16:27.000000000 -0400
+++ mdadm-3.0-devel3/mapfile.c 2009-03-20 13:18:37.000000000 -0400
--- mdadm-3.0-devel3/mapfile.c.mapfile 2009-03-10 01:39:41.000000000 -0400
+++ mdadm-3.0-devel3/mapfile.c 2009-04-17 13:22:45.000000000 -0400
@@ -1,5 +1,5 @@
/*
- * mapfile - manage /var/run/mdadm.map. Part of:
+ * mapfile - manage /dev/md/mdadm.map. Part of:
+ * mapfile - manage /dev/.mdadm.map. Part of:
* mdadm - manage Linux "md" devices aka RAID arrays.
*
* Copyright (C) 2006 Neil Brown <neilb@suse.de>
@ -41,87 +12,119 @@
*/
-/* /var/run/mdadm.map is used to track arrays being created in --incremental
+/* /dev/md/mdadm.map is used to track arrays being created in --incremental
+/* /dev/.mdadm.map is used to track arrays being created in --incremental
* more. It particularly allows lookup from UUID to array device, but
* also allows the array device name to be easily found.
*
@@ -50,9 +50,9 @@ int map_write(struct map_ent *mel)
@@ -48,13 +48,8 @@
{
FILE *f;
int err;
int subdir = 1;
- int subdir = 1;
- f = fopen("/var/run/mdadm/map.new", "w");
+ f = fopen("/dev/md/mdadm/map.new", "w");
if (!f) {
- if (!f) {
- f = fopen("/var/run/mdadm.map.new", "w");
+ f = fopen("/dev/md/mdadm.map.new", "w");
subdir = 0;
}
- subdir = 0;
- }
+ f = fopen("/dev/.mdadm.map.new", "w");
if (!f)
@@ -74,17 +74,17 @@ int map_write(struct map_ent *mel)
return 0;
for (; mel; mel = mel->next) {
@@ -73,32 +68,19 @@
err = ferror(f);
fclose(f);
if (err) {
if (subdir)
- if (subdir)
- unlink("/var/run/mdadm/map.new");
+ unlink("/dev/md/mdadm/map.new");
else
- else
- unlink("/var/run/mdadm.map.new");
+ unlink("/dev/md/mdadm.map.new");
+ unlink("/dev/.mdadm.map.new");
return 0;
}
if (subdir)
- if (subdir)
- return rename("/var/run/mdadm/map.new",
- "/var/run/mdadm/map") == 0;
+ return rename("/dev/md/mdadm/map.new",
+ "/dev/md/mdadm/map") == 0;
else
- else
- return rename("/var/run/mdadm.map.new",
- "/var/run/mdadm.map") == 0;
+ return rename("/dev/md/mdadm.map.new",
+ "/dev/md/mdadm.map") == 0;
+ return rename("/dev/.mdadm.map.new",
+ "/dev/.mdadm.map") == 0;
}
@@ -93,9 +93,9 @@ static int lsubdir = 0;
static int lfd = -1;
-static int lsubdir = 0;
int map_lock(struct map_ent **melp)
{
if (lfd < 0) {
- lfd = open("/var/run/mdadm/map.lock", O_CREAT|O_RDWR, 0600);
+ lfd = open("/dev/md/mdadm/map.lock", O_CREAT|O_RDWR, 0600);
if (lfd < 0) {
- if (lfd < 0) {
- lfd = open("/var/run/mdadm.map.lock", O_CREAT|O_RDWR, 0600);
+ lfd = open("/dev/md/mdadm.map.lock", O_CREAT|O_RDWR, 0600);
lsubdir = 0;
} else
lsubdir = 1;
@@ -118,9 +118,9 @@ void map_unlock(struct map_ent **melp)
- lsubdir = 0;
- } else
- lsubdir = 1;
+ lfd = open("/dev/.mdadm.map.lock", O_CREAT|O_RDWR, 0600);
if (lfd < 0)
return -1;
if (lockf(lfd, F_LOCK, 0) != 0) {
@@ -117,10 +99,7 @@
{
if (lfd >= 0)
close(lfd);
if (lsubdir)
- if (lsubdir)
- unlink("/var/run/mdadm/map.lock");
+ unlink("/dev/md/mdadm/map.lock");
else
- else
- unlink("/var/run/mdadm.map.lock");
+ unlink("/dev/md/mdadm.map.lock");
+ unlink("/dev/.mdadm.map.lock");
lfd = -1;
}
@@ -149,15 +149,15 @@ void map_read(struct map_ent **melp)
@@ -149,16 +128,12 @@
*melp = NULL;
- f = fopen("/var/run/mdadm/map", "r");
+ f = fopen("/dev/md/mdadm/map", "r");
if (!f)
- if (!f)
- f = fopen("/var/run/mdadm.map", "r");
+ f = fopen("/dev/md/mdadm.map", "r");
+ f = fopen("/dev/.mdadm.map", "r");
if (!f) {
RebuildMap();
- f = fopen("/var/run/mdadm/map", "r");
+ f = fopen("/dev/md/mdadm/map", "r");
+ f = fopen("/dev/.mdadm.map", "r");
}
if (!f)
- f = fopen("/var/run/mdadm.map", "r");
+ f = fopen("/dev/md/mdadm.map", "r");
if (!f)
- if (!f)
return;
while (fgets(buf, sizeof(buf), f)) {
--- mdadm-3.0-devel3/Incremental.c.mapfile 2009-03-10 01:39:41.000000000 -0400
+++ mdadm-3.0-devel3/Incremental.c 2009-03-20 21:21:51.000000000 -0400
@@ -52,7 +52,7 @@
* a 'foreign' array.
* 4/ Determine device number.
* - If in mdadm.conf with std name, use that
- * - UUID in /var/run/mdadm.map use that
+ * - UUID in /dev/md/mdadm.map use that
* - If name is suggestive, use that. unless in use with different uuid.
* - Choose a free, high number.
* - Use a partitioned device unless strong suggestion not to.
@@ -67,7 +67,7 @@
* - check one drive in array to make sure metadata is a reasonably
* close match. Reject if not (e.g. different type)
* - add the device
- * 6/ Make sure /var/run/mdadm.map contains this array.
+ * 6/ Make sure /dev/md/mdadm.map contains this array.
* 7/ Is there enough devices to possibly start the array?
* For a container, this means running Incremental_container.
* 7a/ if not, finish with success.
@@ -315,7 +315,7 @@
}
info.array.working_disks = 1;
sysfs_free(sra);
- /* 6/ Make sure /var/run/mdadm.map contains this array. */
+ /* 6/ Make sure /dev/md/mdadm.map contains this array. */
map_update(&map, fd2devnum(mdfd),
info.text_version,
info.uuid, chosen_name);

6
mdadm.spec
View File

@ -1,7 +1,7 @@
Summary: The mdadm program controls Linux md devices (software RAID arrays)
Name: mdadm
Version: 3.0
Release: 0.devel3.5%{?dist}
Release: 0.devel3.6%{?dist}
Source: http://www.kernel.org/pub/linux/utils/raid/mdadm/mdadm-%{version}-devel3.tar.bz2
Source1: mdmonitor.init
Source2: raid-check
@ -87,6 +87,10 @@ fi
%attr(0700,root,root) %dir /var/run/mdadm
%changelog
* Tue May 19 2009 Doug Ledford <dledford@redhat.com> - 3.0-0.devel3.6
- Only check raid devices automatically, do not attempt to repair them
during the weekly data scrubbing
* Fri Mar 20 2009 Doug Ledford <dledford@redhat.com> - 3.0-0.devel3.5
- Fix a few issues with the new code to determine when a device gets to
keep its name and when it doesn't

2
raid-check
View File

@ -1,6 +1,6 @@
#!/bin/bash
for dev in `grep "^md.*: active" /proc/mdstat | cut -f 1 -d ' '`; do
echo "repair" > /sys/block/$dev/md/sync_action
echo "check" > /sys/block/$dev/md/sync_action
done