mdadm-1.6.0

[thirdparty/mdadm.git] / Detail.c

diff --git a/Detail.c b/Detail.c
index 180a6648b49dcd566e0b85a59d01fafc79d4d4cb..5028ae29c40346c0991c4e33a3deb1f1d04a1077 100644 (file)
--- a/Detail.c
+++ b/Detail.c
@@ -31,7 +31,7 @@
 #include       "md_p.h"
 #include       "md_u.h"
 
-int Detail(char *dev, int brief)
+int Detail(char *dev, int brief, int test)
 {
        /*
         * Print out details for an md array by using
@@ -45,27 +45,30 @@ int Detail(char *dev, int brief)
        time_t atime;
        char *c;
        char *devices = NULL;
+       int spares = 0;
+       struct stat stb;
 
        mdp_super_t super;
        int have_super = 0;
+       int rv = test ? 4 : 1;
 
        if (fd < 0) {
                fprintf(stderr, Name ": cannot open %s: %s\n",
                        dev, strerror(errno));
-               return 1;
+               return rv;
        }
        vers = md_get_version(fd);
        if (vers < 0) {
                fprintf(stderr, Name ": %s does not appear to be an md device\n",
                        dev);
                close(fd);
-               return 1;
+               return rv;
        }
        if (vers < 9000) {
                fprintf(stderr, Name ": cannot get detail for md device %s: driver version too old.\n",
                        dev);
                close(fd);
-               return 1;
+               return rv;
        }
        if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
                if (errno == ENODEV)
@@ -75,8 +78,11 @@ int Detail(char *dev, int brief)
                        fprintf(stderr, Name ": cannot get array detail for %s: %s\n",
                                dev, strerror(errno));
                close(fd);
-               return 1;
+               return rv;
        }
+       if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
+               stb.st_rdev = 0;
+       rv = 0;
        /* Ok, we have some info to print... */
        c = map_num(pers, array.level);
        if (brief) 
@@ -84,6 +90,15 @@ int Detail(char *dev, int brief)
        else {
                unsigned long array_size;
                unsigned long long larray_size;
+               struct mdstat_ent *ms = mdstat_read(0);
+               struct mdstat_ent *e;
+               int devnum = array.md_minor;
+               if (MAJOR(stb.st_rdev) != MD_MAJOR)
+                       devnum = -1 - devnum;
+
+               for (e=ms; e; e=e->next)
+                       if (e->devnum == devnum)
+                               break;
 #ifdef BLKGETSIZE64
                if (ioctl(fd, BLKGETSIZE64, &larray_size)==0)
                        ;
@@ -103,7 +118,7 @@ int Detail(char *dev, int brief)
                printf("  Creation Time : %.24s\n", ctime(&atime));
                printf("     Raid Level : %s\n", c?c:"-unknown-");
                if (larray_size)
-               printf("     Array Size : %llu%s\n", (larray_size>>10), human_size(larray_size));
+                       printf("     Array Size : %llu%s\n", (larray_size>>10), human_size(larray_size));
                if (array.level >= 1)
                        printf("    Device Size : %d%s\n", array.size, human_size((long long)array.size<<10));
                printf("   Raid Devices : %d\n", array.raid_disks);
@@ -114,9 +129,10 @@ int Detail(char *dev, int brief)
                printf("\n");
                atime = array.utime;
                printf("    Update Time : %.24s\n", ctime(&atime));
-               printf("          State : %s, %serrors\n",
+               printf("          State : %s%s%s\n",
                       (array.state&(1<<MD_SB_CLEAN))?"clean":"dirty",
-                      (array.state&(1<<MD_SB_ERRORS))?"":"no-");
+                      array.active_disks < array.raid_disks? ", degraded":"",
+                      (e && e->percent >= 0) ? ", recovering": "");
                printf(" Active Devices : %d\n", array.active_disks);
                printf("Working Devices : %d\n", array.working_disks);
                printf(" Failed Devices : %d\n", array.failed_disks);
@@ -139,6 +155,11 @@ int Detail(char *dev, int brief)
                }
        
                printf("\n");
+
+               if (e && e->percent >= 0)
+                       printf(" Rebuild Status : %d%% complete\n\n", e->percent);
+               free_mdstat(ms);
+
                printf("    Number   Major   Minor   RaidDevice State\n");
        }
        for (d= 0; d<MD_SB_DISKS; d++) {
@@ -162,6 +183,12 @@ int Detail(char *dev, int brief)
                        if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active");
                        if (disk.state & (1<<MD_DISK_SYNC)) printf(" sync");
                        if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
+                       if (disk.state == 0) { printf(" spare"); spares++; }
+               }
+               if (test && d < array.raid_disks && disk.state & (1<<MD_DISK_FAULTY)) {
+                       if ((rv & 1) && (array.level ==4 || array.level == 5))
+                               rv |= 2;
+                       rv |= 1;
                }
                if ((dv=map_dev(disk.major, disk.minor))) {
                        if (brief) {
@@ -180,13 +207,14 @@ int Detail(char *dev, int brief)
                                int fd = open(dv, O_RDONLY);
                                if (fd >=0 &&
                                    load_super(fd, &super) ==0 &&
-                                   super.ctime == array.ctime &&
-                                   super.level == array.level)
+                                   (unsigned long)super.ctime == (unsigned long)array.ctime &&
+                                   (unsigned int)super.level == (unsigned int)array.level)
                                        have_super = 1;
                        }
                }
                if (!brief) printf("\n");
        }
+       if (spares && brief) printf(" spares=%d", spares);
        if (have_super) {
                if (brief) printf(" UUID=");
                else printf("           UUID : ");
@@ -200,5 +228,6 @@ int Detail(char *dev, int brief)
        }
        if (brief && devices) printf("\n   devices=%s", devices);
        if (brief) printf("\n");
-       return 0;
+       if (test && (rv&2)) rv &= ~1;
+       return rv;
 }