mdadm-1.4.0

[thirdparty/mdadm.git] / Assemble.c

diff --git a/Assemble.c b/Assemble.c
index cddb76fafbc56897ea0135ea1e827c618d795c4b..794b00d43421909cc6f91582aa5c4fc777abd2ed 100644 (file)
--- a/Assemble.c
+++ b/Assemble.c
@@ -292,6 +292,33 @@ int Assemble(char *mddev, int mdfd,
                                        fprintf(stderr, Name ": updating superblock of %s with minor number %d\n",
                                                devname, super.md_minor);
                        }
+                       if (strcmp(update, "summaries") == 0) {
+                               /* set nr_disks, active_disks, working_disks,
+                                * failed_disks, spare_disks based on disks[] 
+                                * array in superblock.
+                                * Also make sure extra slots aren't 'failed'
+                                */
+                               super.nr_disks = super.active_disks =
+                                       super.working_disks = super.failed_disks =
+                                       super.spare_disks = 0;
+                               for (i=0; i < MD_SB_DISKS ; i++) 
+                                       if (super.disks[i].major ||
+                                           super.disks[i].minor) {
+                                               int state = super.disks[i].state;
+                                               if (state & (1<<MD_DISK_REMOVED))
+                                                       continue;
+                                               super.nr_disks++;
+                                               if (state & (1<<MD_DISK_ACTIVE))
+                                                       super.active_disks++;
+                                               if (state & (1<<MD_DISK_FAULTY))
+                                                       super.failed_disks++;
+                                               else
+                                                       super.working_disks++;
+                                               if (state == 0)
+                                                       super.spare_disks++;
+                                       } else if (i >= super.raid_disks && super.disks[i].number == 0)
+                                               super.disks[i].state = 0;
+                       }
                        super.sb_csum = calc_sb_csum(&super);
                        dfd = open(devname, O_RDWR, 0);
                        if (dfd < 0)