installer: Add support for RAID.

[people/pmueller/ipfire-2.x.git] / src / install+setup / install / hw.c

diff --git a/src/install+setup/install/hw.c b/src/install+setup/install/hw.c
index 0e1f499000fa46a04c1546eb71108040008c5ab8..e7d60acd32f032fff31f5ef58928b8c0fbe0383d 100644 (file)
--- a/src/install+setup/install/hw.c
+++ b/src/install+setup/install/hw.c
@@ -116,7 +116,7 @@ char* hw_find_source_medium(struct hw* hw) {
 
                // Skip everything what we cannot work with
                if (strstartswith(dev_path, "/dev/loop") || strstartswith(dev_path, "/dev/fd") ||
-                               strstartswith(dev_path, "/dev/ram"))
+                               strstartswith(dev_path, "/dev/ram") || strstartswith(dev_path, "/dev/md"))
                        continue;
 
                if (hw_test_source_medium(dev_path)) {
@@ -173,7 +173,8 @@ struct hw_disk** hw_find_disks(struct hw* hw) {
 
                // Skip everything what we cannot work with
                if (strstartswith(dev_path, "/dev/loop") || strstartswith(dev_path, "/dev/fd") ||
-                               strstartswith(dev_path, "/dev/ram") || strstartswith(dev_path, "/dev/sr")) {
+                               strstartswith(dev_path, "/dev/ram") || strstartswith(dev_path, "/dev/sr") ||
+                               strstartswith(dev_path, "/dev/md")) {
                        udev_device_unref(dev);
                        continue;
                }
@@ -410,6 +411,7 @@ struct hw_destination* hw_make_destination(int part_type, struct hw_disk** disks
        } else if (part_type == HW_PART_TYPE_RAID1) {
                dest->disk1 = *disks++;
                dest->disk2 = *disks;
+               dest->raid_level = 1;
 
                snprintf(dest->path, sizeof(dest->path), "/dev/md0");
        }
@@ -675,3 +677,48 @@ int hw_umount_filesystems(struct hw_destination* dest, const char* prefix) {
 
        return 0;
 }
+
+int hw_setup_raid(struct hw_destination* dest) {
+       char* cmd = NULL;
+
+       assert(dest->is_raid);
+
+       asprintf(&cmd, "echo \"y\" | /sbin/mdadm --create --verbose --metadata=0.9 %s", dest->path);
+
+       switch (dest->raid_level) {
+               case 1:
+                       asprintf(&cmd, "%s --level=1 --raid-devices=2", cmd);
+                       break;
+
+               default:
+                       assert(0);
+       }
+
+       if (dest->disk1) {
+               asprintf(&cmd, "%s %s", cmd, dest->disk1->path);
+       }
+
+       if (dest->disk2) {
+               asprintf(&cmd, "%s %s", cmd, dest->disk2->path);
+       }
+
+       int r = mysystem(cmd);
+       free(cmd);
+
+       // Wait a moment until the device has been properly brought up
+       if (r == 0) {
+               unsigned int counter = 10;
+               while (counter-- > 0) {
+                       sleep(1);
+
+                       if (access(dest->path, R_OK) == 0)
+                               break;
+               }
+       }
+
+       return r;
+}
+
+int hw_stop_all_raid_arrays() {
+       return mysystem("/sbin/mdadm --stop --scan");
+}