[thirdparty/mdadm.git] / Detail.c

/*
 * mdadm - manage Linux "md" devices aka RAID arrays.
 *
 * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
 *
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *    Author: Neil Brown
 *    Email: <neilb@cse.unsw.edu.au>
 *    Paper: Neil Brown
 *           School of Computer Science and Engineering
 *           The University of New South Wales
 *           Sydney, 2052
 *           Australia
 */

#include	"mdadm.h"
#include	"md_p.h"
#include	"md_u.h"

int Detail(char *dev, int brief, int export, int test, char *homehost)
{
	/*
	 * Print out details for an md array by using
	 * GET_ARRAY_INFO and GET_DISK_INFO ioctl calls
	 */

	int fd = open(dev, O_RDONLY, 0);
	int vers;
	mdu_array_info_t array;
	mdu_disk_info_t *disks;
	int next;
	int d;
	time_t atime;
	char *c;
	char *devices = NULL;
	int spares = 0;
	struct stat stb;
	int is_26 = get_linux_version() >= 2006000;
	int is_rebuilding = 0;
	int failed = 0;
	struct supertype *st = NULL;
	int max_disks = MD_SB_DISKS; /* just a default */
	struct mdinfo info;

	void *super = NULL;
	int rv = test ? 4 : 1;
	int avail_disks = 0;
	char *avail;

	if (fd < 0) {
		fprintf(stderr, Name ": cannot open %s: %s\n",
			dev, strerror(errno));
		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 rv;
	}
	if (vers < 9000) {
		fprintf(stderr, Name ": cannot get detail for md device %s: driver version too old.\n",
			dev);
		close(fd);
		return rv;
	}
	if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
		if (errno == ENODEV)
			fprintf(stderr, Name ": md device %s does not appear to be active.\n",
				dev);
		else
			fprintf(stderr, Name ": cannot get array detail for %s: %s\n",
				dev, strerror(errno));
		close(fd);
		return rv;
	}
	st = super_by_version(array.major_version, array.minor_version);

	if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
		stb.st_rdev = 0;
	rv = 0;

	if (st) max_disks = st->max_devs;

	/* try to load a superblock */
	for (d= 0; d<max_disks; d++) {
		mdu_disk_info_t disk;
		char *dv;
		disk.number = d;
		if (ioctl(fd, GET_DISK_INFO, &disk) < 0)
			continue;
		if (d >= array.raid_disks &&
		    disk.major == 0 &&
		    disk.minor == 0)
			continue;
		if ((dv=map_dev(disk.major, disk.minor, 1))) {
			if (!super && (disk.state & (1<<MD_DISK_ACTIVE))) {
				/* try to read the superblock from this device
				 * to get more info
				 */
				int fd2 = dev_open(dv, O_RDONLY);
				if (fd2 >=0 && st &&
				    st->ss->load_super(st, fd2, &super, NULL) == 0) {
					st->ss->getinfo_super(&info, super);
					if (info.array.ctime != array.ctime ||
					    info.array.level != array.level) {
						free(super);
						super = NULL;
					}
				}
				if (fd2 >= 0) close(fd2);
			}
		}
	}

	/* Ok, we have some info to print... */
	c = map_num(pers, array.level);

	if (export) {
		if (c)
			printf("MD_LEVEL=%s\n", c);
		printf("MD_DEVICES=%d\n", array.raid_disks);
		printf("MD_METADATA=%d.%d\n", array.major_version,
		       array.minor_version);
		if (super)
			st->ss->export_super(super);
		goto out;
	}

	if (brief)
		printf("ARRAY %s level=%s num-devices=%d", dev, c?c:"-unknown-",array.raid_disks );
	else {
		mdu_bitmap_file_t bmf;
		unsigned long long larray_size;
		struct mdstat_ent *ms = mdstat_read(0, 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;
		if (!get_dev_size(fd, NULL, &larray_size))
			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) {
			if (array.major_version != 0 &&
			    (larray_size >= 0xFFFFFFFFULL|| array.size == 0)) {
				unsigned long long dsize = get_component_size(fd);
				if (dsize > 0)
					printf("  Used Dev Size : %llu%s\n",
					       dsize,
					 human_size((long long)array.size<<10));
				else
					printf("  Used Dev Size : unknown\n");
			} else
				printf("  Used Dev 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");
		/* Only try GET_BITMAP_FILE for 0.90.01 and later */
		if (vers >= 9001 &&
		    ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
		    bmf.pathname[0]) {
			printf("  Intent Bitmap : %s\n", bmf.pathname);
			printf("\n");
		} else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
			printf("  Intent Bitmap : Internal\n\n");
		atime = array.utime;
		printf("    Update Time : %.24s\n", ctime(&atime));
		printf("          State : %s%s%s%s\n",
		       (array.state&(1<<MD_SB_CLEAN))?"clean":"active",
		       array.active_disks < array.raid_disks? ", degraded":"",
		       (!e || e->percent < 0) ? "" :
		        (e->resync) ? ", resyncing": ", recovering",
		       larray_size ? "": ", Not Started");
		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-");
		}
		if (array.level == 10) {
			printf("         Layout : near=%d, %s=%d\n",
			       array.layout&255, (array.layout&0x10000)?"offset":"far",
			       (array.layout>>8)&255);
		}
		switch (array.level) {
		case 0:
		case 4:
		case 5:
		case 10:
		case 6:
			printf("     Chunk Size : %dK\n\n", array.chunk_size/1024);
			break;
		case -1:
			printf("       Rounding : %dK\n\n", array.chunk_size/1024);
			break;
		default: break;
		}
	
		if (e && e->percent >= 0) {
			printf(" Re%s Status : %d%% complete\n",
			       (super && info.reshape_active)? "shape":"build",
			       e->percent);
			is_rebuilding = 1;
		}
		free_mdstat(ms);

		if (super && info.reshape_active) {
#if 0
This is pretty boring
			printf("  Reshape pos'n : %llu%s\n", (unsigned long long) info.reshape_progress<<9,
			       human_size(info.reshape_progress<<9));
#endif
			if (info.delta_disks > 0)
				printf("  Delta Devices : %d, (%d->%d)\n",
				       info.delta_disks, array.raid_disks - info.delta_disks, array.raid_disks);
			if (info.delta_disks < 0)
				printf("  Delta Devices : %d, (%d->%d)\n",
				       info.delta_disks, array.raid_disks, array.raid_disks + info.delta_disks);
			if (info.new_level != array.level) {
				char *c = map_num(pers, info.new_level);
				printf("      New Level : %s\n", c?c:"-unknown-");
			}
			if (info.new_level != array.level ||
			    info.new_layout != array.layout) {
				if (info.new_level == 5) {
					char *c = map_num(r5layout, info.new_layout);
					printf("     New Layout : %s\n",
					       c?c:"-unknown-");
				}
				if (info.new_level == 10) {
					printf("     New Layout : near=%d, %s=%d\n",
					       info.new_layout&255,
					       (info.new_layout&0x10000)?"offset":"far",
					       (info.new_layout>>8)&255);
				}
			}
			if (info.new_chunk != array.chunk_size)
				printf("  New Chunksize : %dK\n", info.new_chunk/1024);
			printf("\n");
		} else if (e && e->percent >= 0)
			printf("\n");
		if (super && st)
			st->ss->detail_super(super, homehost);

		printf("    Number   Major   Minor   RaidDevice State\n");
	}
	disks = malloc(max_disks * sizeof(mdu_disk_info_t));
	for (d=0; d<max_disks; d++) {
		disks[d].state = (1<<MD_DISK_REMOVED);
		disks[d].major = disks[d].minor = 0;
		disks[d].number = disks[d].raid_disk = d;
	}

	next = array.raid_disks;
	for (d=0; d < max_disks; d++) {
		mdu_disk_info_t disk;
		disk.number = d;
		if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
			if (d < array.raid_disks)
				fprintf(stderr, Name ": cannot get device detail for device %d: %s\n",
					d, strerror(errno));
			continue;
		}
		if (disk.major == 0 && disk.minor == 0)
			continue;
		if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks) 
			disks[disk.raid_disk] = disk;
		else if (next < max_disks)
			disks[next++] = disk;
	}

	avail = calloc(array.raid_disks, 1);
	for (d= 0; d < max_disks; d++) {
		char *dv;
		mdu_disk_info_t disk = disks[d];

		if (d >= array.raid_disks &&
		    disk.major == 0 &&
		    disk.minor == 0)
			continue;
		if (!brief) {
			if (d == array.raid_disks) printf("\n");
			if (disk.raid_disk < 0)
				printf("   %5d   %5d    %5d        -     ", 
				       disk.number, disk.major, disk.minor);
			else
				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.raid_disk < array.raid_disks &&
				    disk.raid_disk >= 0)
					failed++;
			}
			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 & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly");
			if ((disk.state &
			     ((1<<MD_DISK_ACTIVE)|(1<<MD_DISK_SYNC)|(1<<MD_DISK_REMOVED)))
			    == 0) {
				printf(" spare");
				if (is_26) {
					if (disk.raid_disk < array.raid_disks && disk.raid_disk >= 0)
						printf(" rebuilding");
				} else if (is_rebuilding && failed) {
					/* Taking a bit of a risk here, we remove the
					 * device from the array, and then put it back.
					 * If this fails, we are rebuilding
					 */
					int err = ioctl(fd, HOT_REMOVE_DISK, makedev(disk.major, disk.minor));
					if (err == 0) ioctl(fd, HOT_ADD_DISK, makedev(disk.major, disk.minor));
					if (err && errno ==  EBUSY)
						printf(" rebuilding");
				}
			}
		}
		if (disk.state == 0) spares++;
		if (test && d < array.raid_disks
		    && !(disk.state & (1<<MD_DISK_SYNC)))
			rv |= 1;
		if (d < array.raid_disks
		    && (disk.state & (1<<MD_DISK_SYNC))) {
			avail_disks ++;
			avail[d] = 1;
		}
		if ((dv=map_dev(disk.major, disk.minor, 0))) {
			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 (!brief) printf("\n");
	}
	if (spares && brief) printf(" spares=%d", spares);
	if (super && brief && st)
		st->ss->brief_detail_super(super);

	if (brief > 1 && devices) printf("\n   devices=%s", devices);
	if (brief) printf("\n");
	if (test &&
	    !enough(array.level, array.raid_disks, array.layout,
		    1, avail, avail_disks))
		rv = 2;

out:
	close(fd);
	return rv;
}
Commit	Line	Data
64c4757e	1	/*
9a9dab36	2	* mdadm - manage Linux "md" devices aka RAID arrays.
64c4757e	3	*
4f589ad0	4	* Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
64c4757e NB	5	*
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*
	21	* Author: Neil Brown
	22	* Email: <neilb@cse.unsw.edu.au>
	23	* Paper: Neil Brown
	24	* School of Computer Science and Engineering
	25	* The University of New South Wales
	26	* Sydney, 2052
	27	* Australia
	28	*/
	29
9a9dab36	30	#include "mdadm.h"
64c4757e NB	31	#include "md_p.h"
	32	#include "md_u.h"
	33
54bad364	34	int Detail(char dev, int brief, int export, int test, char homehost)
64c4757e NB	35	{
	36	/*
	37	* Print out details for an md array by using
	38	* GET_ARRAY_INFO and GET_DISK_INFO ioctl calls
	39	*/
	40
	41	int fd = open(dev, O_RDONLY, 0);
	42	int vers;
	43	mdu_array_info_t array;
b0c63f32 NB	44	mdu_disk_info_t *disks;
b0c63f32 NB	45	int next;
64c4757e NB	46	int d;
64c4757e NB	47	time_t atime;
682c7051	48	char *c;
d013a55e	49	char *devices = NULL;
feb716e9	50	int spares = 0;
dd0781e5	51	struct stat stb;
e5329c37 NB	52	int is_26 = get_linux_version() >= 2006000;
	53	int is_rebuilding = 0;
	54	int failed = 0;
82d9eba6	55	struct supertype *st = NULL;
e27d562b	56	int max_disks = MD_SB_DISKS; /* just a default */
bed256c2	57	struct mdinfo info;
64c4757e	58
4b1ac34b	59	void *super = NULL;
feb716e9	60	int rv = test ? 4 : 1;
a77be586 NB	61	int avail_disks = 0;
a77be586 NB	62	char *avail;
82b27616	63
64c4757e	64	if (fd < 0) {
682c7051	65	fprintf(stderr, Name ": cannot open %s: %s\n",
64c4757e	66	dev, strerror(errno));
feb716e9	67	return rv;
64c4757e NB	68	}
	69	vers = md_get_version(fd);
	70	if (vers < 0) {
682c7051	71	fprintf(stderr, Name ": %s does not appear to be an md device\n",
64c4757e NB	72	dev);
64c4757e NB	73	close(fd);
feb716e9	74	return rv;
64c4757e	75	}
682c7051 NB	76	if (vers < 9000) {
682c7051 NB	77	fprintf(stderr, Name ": cannot get detail for md device %s: driver version too old.\n",
64c4757e NB	78	dev);
64c4757e NB	79	close(fd);
feb716e9	80	return rv;
64c4757e NB	81	}
	82	if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
	83	if (errno == ENODEV)
682c7051	84	fprintf(stderr, Name ": md device %s does not appear to be active.\n",
64c4757e NB	85	dev);
64c4757e NB	86	else
682c7051	87	fprintf(stderr, Name ": cannot get array detail for %s: %s\n",
64c4757e NB	88	dev, strerror(errno));
64c4757e NB	89	close(fd);
feb716e9	90	return rv;
64c4757e	91	}
82d9eba6	92	st = super_by_version(array.major_version, array.minor_version);
f9ce90ba	93
dd0781e5 NB	94	if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
dd0781e5 NB	95	stb.st_rdev = 0;
feb716e9	96	rv = 0;
e5329c37	97
ea329559 NB	98	if (st) max_disks = st->max_devs;
ea329559 NB	99
e5329c37	100	/* try to load a superblock */
ea329559	101	for (d= 0; d<max_disks; d++) {
e5329c37 NB	102	mdu_disk_info_t disk;
	103	char *dv;
	104	disk.number = d;
	105	if (ioctl(fd, GET_DISK_INFO, &disk) < 0)
	106	continue;
	107	if (d >= array.raid_disks &&
	108	disk.major == 0 &&
	109	disk.minor == 0)
	110	continue;
16c6fa80	111	if ((dv=map_dev(disk.major, disk.minor, 1))) {
4b1ac34b	112	if (!super && (disk.state & (1<<MD_DISK_ACTIVE))) {
e5329c37 NB	113	/* try to read the superblock from this device
	114	* to get more info
	115	*/
16c6fa80	116	int fd2 = dev_open(dv, O_RDONLY);
82d9eba6 NB	117	if (fd2 >=0 && st &&
82d9eba6 NB	118	st->ss->load_super(st, fd2, &super, NULL) == 0) {
31317663	119	st->ss->getinfo_super(&info, super);
4b1ac34b NB	120	if (info.array.ctime != array.ctime \|\|
	121	info.array.level != array.level) {
	122	free(super);
	123	super = NULL;
	124	}
	125	}
e5329c37 NB	126	if (fd2 >= 0) close(fd2);
	127	}
	128	}
	129	}
	130
64c4757e	131	/* Ok, we have some info to print... */
682c7051	132	c = map_num(pers, array.level);
54bad364 KS	133
	134	if (export) {
	135	if (c)
	136	printf("MD_LEVEL=%s\n", c);
	137	printf("MD_DEVICES=%d\n", array.raid_disks);
	138	printf("MD_METADATA=%d.%d\n", array.major_version,
	139	array.minor_version);
9bbcc5f7 TW	140	if (super)
9bbcc5f7 TW	141	st->ss->export_super(super);
54bad364 KS	142	goto out;
	143	}
	144
	145	if (brief)
b83d95f3	146	printf("ARRAY %s level=%s num-devices=%d", dev, c?c:"-unknown-",array.raid_disks );
cd29a5c8	147	else {
8fac0577	148	mdu_bitmap_file_t bmf;
e0d19036	149	unsigned long long larray_size;
22a88995	150	struct mdstat_ent *ms = mdstat_read(0, 0);
dd0781e5 NB	151	struct mdstat_ent *e;
dd0781e5 NB	152	int devnum = array.md_minor;
0df46c2a	153	if (major(stb.st_rdev) != MD_MAJOR)
dd0781e5 NB	154	devnum = -1 - devnum;
	155
	156	for (e=ms; e; e=e->next)
	157	if (e->devnum == devnum)
	158	break;
beae1dfe NB	159	if (!get_dev_size(fd, NULL, &larray_size))
beae1dfe NB	160	larray_size = 0;
56eb10c0	161
cd29a5c8 NB	162	printf("%s:\n", dev);
	163	printf(" Version : %02d.%02d.%02d\n",
	164	array.major_version, array.minor_version, array.patch_version);
	165	atime = array.ctime;
	166	printf(" Creation Time : %.24s\n", ctime(&atime));
	167	printf(" Raid Level : %s\n", c?c:"-unknown-");
56eb10c0	168	if (larray_size)
dd0781e5	169	printf(" Array Size : %llu%s\n", (larray_size>>10), human_size(larray_size));
3d4064cc NB	170	if (array.level >= 1) {
3d4064cc NB	171	if (array.major_version != 0 &&
6ee5c05a NB	172	(larray_size >= 0xFFFFFFFFULL\|\| array.size == 0)) {
	173	unsigned long long dsize = get_component_size(fd);
	174	if (dsize > 0)
e3362544 NB	175	printf(" Used Dev Size : %llu%s\n",
	176	dsize,
	177	human_size((long long)array.size<<10));
6ee5c05a	178	else
e3362544	179	printf(" Used Dev Size : unknown\n");
6ee5c05a	180	} else
e3362544 NB	181	printf(" Used Dev Size : %d%s\n", array.size,
e3362544 NB	182	human_size((long long)array.size<<10));
3d4064cc	183	}
b83d95f3 NB	184	printf(" Raid Devices : %d\n", array.raid_disks);
b83d95f3 NB	185	printf(" Total Devices : %d\n", array.nr_disks);
cd29a5c8	186	printf("Preferred Minor : %d\n", array.md_minor);
b83d95f3	187	printf(" Persistence : Superblock is %spersistent\n",
cd29a5c8 NB	188	array.not_persistent?"not ":"");
cd29a5c8 NB	189	printf("\n");
4027ddca NB	190	/* Only try GET_BITMAP_FILE for 0.90.01 and later */
	191	if (vers >= 9001 &&
	192	ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
	193	bmf.pathname[0]) {
8fac0577 NB	194	printf(" Intent Bitmap : %s\n", bmf.pathname);
	195	printf("\n");
	196	} else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
	197	printf(" Intent Bitmap : Internal\n\n");
cd29a5c8 NB	198	atime = array.utime;
cd29a5c8 NB	199	printf(" Update Time : %.24s\n", ctime(&atime));
120230a4	200	printf(" State : %s%s%s%s\n",
182661f4	201	(array.state&(1<<MD_SB_CLEAN))?"clean":"active",
dd0781e5	202	array.active_disks < array.raid_disks? ", degraded":"",
e5329c37	203	(!e \|\| e->percent < 0) ? "" :
120230a4 NB	204	(e->resync) ? ", resyncing": ", recovering",
120230a4 NB	205	larray_size ? "": ", Not Started");
b83d95f3 NB	206	printf(" Active Devices : %d\n", array.active_disks);
	207	printf("Working Devices : %d\n", array.working_disks);
	208	printf(" Failed Devices : %d\n", array.failed_disks);
	209	printf(" Spare Devices : %d\n", array.spare_disks);
cd29a5c8 NB	210	printf("\n");
	211	if (array.level == 5) {
	212	c = map_num(r5layout, array.layout);
	213	printf(" Layout : %s\n", c?c:"-unknown-");
	214	}
e5329c37	215	if (array.level == 10) {
b578481c NB	216	printf(" Layout : near=%d, %s=%d\n",
	217	array.layout&255, (array.layout&0x10000)?"offset":"far",
	218	(array.layout>>8)&255);
e5329c37	219	}
cd29a5c8 NB	220	switch (array.level) {
	221	case 0:
	222	case 4:
	223	case 5:
e5329c37 NB	224	case 10:
	225	case 6:
	226	printf(" Chunk Size : %dK\n\n", array.chunk_size/1024);
cd29a5c8 NB	227	break;
cd29a5c8 NB	228	case -1:
e5329c37	229	printf(" Rounding : %dK\n\n", array.chunk_size/1024);
cd29a5c8 NB	230	break;
	231	default: break;
	232	}
82b27616	233
e5329c37	234	if (e && e->percent >= 0) {
bed256c2 NB	235	printf(" Re%s Status : %d%% complete\n",
	236	(super && info.reshape_active)? "shape":"build",
	237	e->percent);
e5329c37 NB	238	is_rebuilding = 1;
e5329c37 NB	239	}
dd0781e5 NB	240	free_mdstat(ms);
dd0781e5 NB	241
bed256c2 NB	242	if (super && info.reshape_active) {
	243	#if 0
	244	This is pretty boring
	245	printf(" Reshape pos'n : %llu%s\n", (unsigned long long) info.reshape_progress<<9,
	246	human_size(info.reshape_progress<<9));
	247	#endif
	248	if (info.delta_disks > 0)
	249	printf(" Delta Devices : %d, (%d->%d)\n",
	250	info.delta_disks, array.raid_disks - info.delta_disks, array.raid_disks);
	251	if (info.delta_disks < 0)
	252	printf(" Delta Devices : %d, (%d->%d)\n",
	253	info.delta_disks, array.raid_disks, array.raid_disks + info.delta_disks);
	254	if (info.new_level != array.level) {
	255	char *c = map_num(pers, info.new_level);
	256	printf(" New Level : %s\n", c?c:"-unknown-");
	257	}
	258	if (info.new_level != array.level \|\|
	259	info.new_layout != array.layout) {
	260	if (info.new_level == 5) {
	261	char *c = map_num(r5layout, info.new_layout);
	262	printf(" New Layout : %s\n",
	263	c?c:"-unknown-");
	264	}
	265	if (info.new_level == 10) {
b578481c	266	printf(" New Layout : near=%d, %s=%d\n",
bed256c2	267	info.new_layout&255,
b578481c	268	(info.new_layout&0x10000)?"offset":"far",
bed256c2 NB	269	(info.new_layout>>8)&255);
	270	}
	271	}
	272	if (info.new_chunk != array.chunk_size)
	273	printf(" New Chunksize : %dK\n", info.new_chunk/1024);
	274	printf("\n");
	275	} else if (e && e->percent >= 0)
	276	printf("\n");
82d9eba6	277	if (super && st)
b6750aa8	278	st->ss->detail_super(super, homehost);
e5329c37	279
b83d95f3	280	printf(" Number Major Minor RaidDevice State\n");
cd29a5c8	281	}
b0c63f32 NB	282	disks = malloc(max_disks * sizeof(mdu_disk_info_t));
	283	for (d=0; d<max_disks; d++) {
	284	disks[d].state = (1<<MD_DISK_REMOVED);
	285	disks[d].major = disks[d].minor = 0;
8352ab3e	286	disks[d].number = disks[d].raid_disk = d;
b0c63f32 NB	287	}
	288
	289	next = array.raid_disks;
	290	for (d=0; d < max_disks; d++) {
64c4757e NB	291	mdu_disk_info_t disk;
	292	disk.number = d;
	293	if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
e0d19036	294	if (d < array.raid_disks)
b83d95f3	295	fprintf(stderr, Name ": cannot get device detail for device %d: %s\n",
e0d19036	296	d, strerror(errno));
64c4757e NB	297	continue;
64c4757e NB	298	}
67687afe NB	299	if (disk.major == 0 && disk.minor == 0)
67687afe NB	300	continue;
b0c63f32 NB	301	if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks)
	302	disks[disk.raid_disk] = disk;
	303	else if (next < max_disks)
	304	disks[next++] = disk;
	305	}
	306
a77be586	307	avail = calloc(array.raid_disks, 1);
b0c63f32 NB	308	for (d= 0; d < max_disks; d++) {
	309	char *dv;
	310	mdu_disk_info_t disk = disks[d];
	311
e0d19036 NB	312	if (d >= array.raid_disks &&
	313	disk.major == 0 &&
	314	disk.minor == 0)
	315	continue;
cd29a5c8	316	if (!brief) {
b0c63f32	317	if (d == array.raid_disks) printf("\n");
e5329c37 NB	318	if (disk.raid_disk < 0)
	319	printf(" %5d %5d %5d - ",
	320	disk.number, disk.major, disk.minor);
	321	else
	322	printf(" %5d %5d %5d %5d ",
	323	disk.number, disk.major, disk.minor, disk.raid_disk);
	324	if (disk.state & (1<<MD_DISK_FAULTY)) {
	325	printf(" faulty");
	326	if (disk.raid_disk < array.raid_disks &&
	327	disk.raid_disk >= 0)
	328	failed++;
	329	}
cd29a5c8 NB	330	if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active");
	331	if (disk.state & (1<<MD_DISK_SYNC)) printf(" sync");
	332	if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
b0c63f32 NB	333	if (disk.state & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly");
	334	if ((disk.state &
	335	((1<<MD_DISK_ACTIVE)\|(1<<MD_DISK_SYNC)\|(1<<MD_DISK_REMOVED)))
	336	== 0) {
	337	printf(" spare");
e5329c37 NB	338	if (is_26) {
	339	if (disk.raid_disk < array.raid_disks && disk.raid_disk >= 0)
	340	printf(" rebuilding");
	341	} else if (is_rebuilding && failed) {
	342	/* Taking a bit of a risk here, we remove the
	343	* device from the array, and then put it back.
	344	* If this fails, we are rebuilding
	345	*/
0df46c2a NB	346	int err = ioctl(fd, HOT_REMOVE_DISK, makedev(disk.major, disk.minor));
0df46c2a NB	347	if (err == 0) ioctl(fd, HOT_ADD_DISK, makedev(disk.major, disk.minor));
e5329c37 NB	348	if (err && errno == EBUSY)
	349	printf(" rebuilding");
	350	}
	351	}
feb716e9	352	}
e5329c37	353	if (disk.state == 0) spares++;
a77be586 NB	354	if (test && d < array.raid_disks
a77be586 NB	355	&& !(disk.state & (1<<MD_DISK_SYNC)))
feb716e9	356	rv \|= 1;
a77be586 NB	357	if (d < array.raid_disks
	358	&& (disk.state & (1<<MD_DISK_SYNC))) {
	359	avail_disks ++;
	360	avail[d] = 1;
cd29a5c8	361	}
16c6fa80	362	if ((dv=map_dev(disk.major, disk.minor, 0))) {
d013a55e NB	363	if (brief) {
	364	if (devices) {
	365	devices = realloc(devices,
	366	strlen(devices)+1+strlen(dv)+1);
	367	strcat(strcat(devices,","),dv);
	368	} else
	369	devices = strdup(dv);
	370	} else
	371	printf(" %s", dv);
82b27616	372	}
cd29a5c8	373	if (!brief) printf("\n");
64c4757e	374	}
feb716e9	375	if (spares && brief) printf(" spares=%d", spares);
82d9eba6 NB	376	if (super && brief && st)
82d9eba6 NB	377	st->ss->brief_detail_super(super);
4b1ac34b	378
22892d56	379	if (brief > 1 && devices) printf("\n devices=%s", devices);
cd29a5c8	380	if (brief) printf("\n");
a77be586 NB	381	if (test &&
	382	!enough(array.level, array.raid_disks, array.layout,
	383	1, avail, avail_disks))
	384	rv = 2;
	385
a328c097	386	out:
e5329c37	387	close(fd);
feb716e9	388	return rv;
64c4757e	389	}