X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fmdadm.git;a=blobdiff_plain;f=Detail.c;h=5028ae29c40346c0991c4e33a3deb1f1d04a1077;hp=026c3b3de91cd8893da28872d5176f68d10e2da0;hb=dd0781e50555c32ff2f808ec46f4b03a5693ea47;hpb=52826846282e9e224e05dde6d2e4cb38d1fefec7

diff --git a/Detail.c b/Detail.c
index 026c3b3d..5028ae29 100644
--- a/Detail.c
+++ b/Detail.c
@@ -1,7 +1,7 @@
 /*
- * mdctl - manage Linux "md" devices aka RAID arrays.
+ * mdadm - manage Linux "md" devices aka RAID arrays.
  *
- * Copyright (C) 2001 Neil Brown <neilb@cse.unsw.edu.au>
+ * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
  *
  *
  *    This program is free software; you can redistribute it and/or modify
@@ -27,11 +27,11 @@
  *           Australia
  */
 
-#include	"mdctl.h"
+#include	"mdadm.h"
 #include	"md_p.h"
 #include	"md_u.h"
 
-int Detail(char *dev)
+int Detail(char *dev, int brief, int test)
 {
 	/*
 	 * Print out details for an md array by using
@@ -44,27 +44,31 @@ int Detail(char *dev)
 	int d;
 	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)
@@ -74,88 +78,156 @@ int Detail(char *dev)
 			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... */
-	printf("%s:\n", dev);
-	printf("        Version : %02d.%02d.%02d\n",
-	       array.major_version, array.minor_version, array.patch_version);
-	atime = array.ctime;
-	printf("  Creation Time : %.24s\n", ctime(&atime));
 	c = map_num(pers, array.level);
-	printf("     Raid Level : %s\n", c?c:"-unknown-");
-	printf("           Size : %d\n", array.size);
-	printf("     Raid Disks : %d\n", array.raid_disks);
-	printf("    Total Disks : %d\n", array.nr_disks);
-	printf("Preferred Minor : %d\n", array.md_minor);
-	printf("    Persistance : Superblock is %spersistant\n",
-	       array.not_persistent?"not ":"");
-	printf("\n");
-	atime = array.utime;
-	printf("    Update Time : %.24s\n", ctime(&atime));
-	printf("          State : %s, %serrors\n",
-	       (array.state&(1<<MD_SB_CLEAN))?"clean":"dirty",
-	       (array.state&(1<<MD_SB_ERRORS))?"":"no-");
-	printf("  Active Drives : %d\n", array.active_disks);
-	printf(" Working Drives : %d\n", array.working_disks);
-	printf("  Failed Drives : %d\n", array.failed_disks);
-	printf("   Spare Drives : %d\n", array.spare_disks);
-	printf("\n");
-	if (array.level == 5) {
-		c = map_num(r5layout, array.layout);
-		printf("         Layout : %s\n", c?c:"-unknown-");
-	}
-	switch (array.level) {
-	case 0:
-	case 4:
-	case 5:
-		printf("     Chunk Size : %dK\n", array.chunk_size/1024);
-		break;
-	case -1:
-		printf("       Rounding : %dK\n", array.chunk_size/1024);
-		break;
-	default: break;
-	}
+	if (brief) 
+		printf("ARRAY %s level=%s num-devices=%d", dev, c?c:"-unknown-",array.raid_disks );
+	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)
+			;
+		else
+#endif
+			if (ioctl(fd, BLKGETSIZE, &array_size)==0) {
+				larray_size = array_size;
+				larray_size <<= 9;
+			}
+		
+		else larray_size = 0;
+
+		printf("%s:\n", dev);
+		printf("        Version : %02d.%02d.%02d\n",
+		       array.major_version, array.minor_version, array.patch_version);
+		atime = array.ctime;
+		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));
+		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);
+		printf("  Total Devices : %d\n", array.nr_disks);
+		printf("Preferred Minor : %d\n", array.md_minor);
+		printf("    Persistence : Superblock is %spersistent\n",
+		       array.not_persistent?"not ":"");
+		printf("\n");
+		atime = array.utime;
+		printf("    Update Time : %.24s\n", ctime(&atime));
+		printf("          State : %s%s%s\n",
+		       (array.state&(1<<MD_SB_CLEAN))?"clean":"dirty",
+		       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);
+		printf("  Spare Devices : %d\n", array.spare_disks);
+		printf("\n");
+		if (array.level == 5) {
+			c = map_num(r5layout, array.layout);
+			printf("         Layout : %s\n", c?c:"-unknown-");
+		}
+		switch (array.level) {
+		case 0:
+		case 4:
+		case 5:
+			printf("     Chunk Size : %dK\n", array.chunk_size/1024);
+			break;
+		case -1:
+			printf("       Rounding : %dK\n", array.chunk_size/1024);
+			break;
+		default: break;
+		}
 	
-	printf("\n");
-	printf("    Number   Major   Minor   RaidDisk   State\n");
-	for (d= 0; d<array.raid_disks+array.spare_disks; d++) {
+		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++) {
 		mdu_disk_info_t disk;
 		char *dv;
 		disk.number = d;
 		if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
-			fprintf(stderr, Name ": cannot get disk detail for disk %d: %s\n",
-				d, strerror(errno));
+			if (d < array.raid_disks)
+				fprintf(stderr, Name ": cannot get device detail for device %d: %s\n",
+					d, strerror(errno));
 			continue;
 		}
-		printf("   %5d   %5d    %5d    %5d     ", 
-		       disk.number, disk.major, disk.minor, disk.raid_disk);
-		if (disk.state & (1<<MD_DISK_FAULTY)) printf(" faulty");
-		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 (d >= array.raid_disks &&
+		    disk.major == 0 &&
+		    disk.minor == 0)
+			continue;
+		if (!brief) {
+			printf("   %5d   %5d    %5d    %5d     ", 
+			       disk.number, disk.major, disk.minor, disk.raid_disk);
+			if (disk.state & (1<<MD_DISK_FAULTY)) printf(" faulty");
+			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))) {
-		    printf("   %s", dv);
-		    if (!have_super) {
-			/* try to read the superblock from this device
-			 * to get more info
-			 */
-			int fd = open(dv, O_RDONLY);
-			if (fd >=0 &&
-			    load_super(fd, &super) ==0 &&
-			    super.ctime == array.ctime &&
-			    super.level == array.level)
-			    have_super = 1;
-		    }
+			if (brief) {
+				if (devices) {
+					devices = realloc(devices,
+							  strlen(devices)+1+strlen(dv)+1);
+					strcat(strcat(devices,","),dv);
+				} else
+					devices = strdup(dv);
+			} else
+				printf("   %s", dv);
+			if (!have_super && (disk.state & (1<<MD_DISK_ACTIVE))) {
+				/* try to read the superblock from this device
+				 * to get more info
+				 */
+				int fd = open(dv, O_RDONLY);
+				if (fd >=0 &&
+				    load_super(fd, &super) ==0 &&
+				    (unsigned long)super.ctime == (unsigned long)array.ctime &&
+				    (unsigned int)super.level == (unsigned int)array.level)
+					have_super = 1;
+			}
 		}
-		printf("\n");
+		if (!brief) printf("\n");
 	}
+	if (spares && brief) printf(" spares=%d", spares);
 	if (have_super) {
+		if (brief) printf(" UUID=");
+		else printf("           UUID : ");
 	    	if (super.minor_version >= 90)
-		printf("           UUID : %08x:%08x:%08x:%08x\n", super.set_uuid0, super.set_uuid1,
-		       super.set_uuid2, super.set_uuid3);
-	else
-		printf("           UUID : %08x\n", super.set_uuid0);
+			printf("%08x:%08x:%08x:%08x", super.set_uuid0, super.set_uuid1,
+			       super.set_uuid2, super.set_uuid3);
+		else
+			printf("%08x", super.set_uuid0);
+		if (!brief) 
+			printf("\n         Events : %d.%d\n", super.events_hi, super.events_lo);
 	}
-	return 0;
+	if (brief && devices) printf("\n   devices=%s", devices);
+	if (brief) printf("\n");
+	if (test && (rv&2)) rv &= ~1;
+	return rv;
 }