[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(st, &info, super);
					if (info.array.ctime != array.ctime ||
					    info.array.level != array.level) {
						st->ss->free_super(st, 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(st, super);
		goto out;
	}

	if (brief)
		printf("ARRAY %s level=%s metadata=%d.%d num-devices=%d", dev,
		       c?c:"-unknown-",
		       array.major_version, array.minor_version,
		       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(st, 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(st, super);
	if (super)
		st->ss->free_super(st, 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) {
68c7d6d7	119	st->ss->getinfo_super(st, &info, super);
4b1ac34b NB	120	if (info.array.ctime != array.ctime \|\|
4b1ac34b NB	121	info.array.level != array.level) {
68c7d6d7	122	st->ss->free_super(st, super);
4b1ac34b NB	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	140	if (super)
68c7d6d7	141	st->ss->export_super(st, super);
54bad364 KS	142	goto out;
	143	}
	144
	145	if (brief)
7615d989 NB	146	printf("ARRAY %s level=%s metadata=%d.%d num-devices=%d", dev,
	147	c?c:"-unknown-",
	148	array.major_version, array.minor_version,
	149	array.raid_disks );
cd29a5c8	150	else {
8fac0577	151	mdu_bitmap_file_t bmf;
e0d19036	152	unsigned long long larray_size;
22a88995	153	struct mdstat_ent *ms = mdstat_read(0, 0);
dd0781e5 NB	154	struct mdstat_ent *e;
dd0781e5 NB	155	int devnum = array.md_minor;
0df46c2a	156	if (major(stb.st_rdev) != MD_MAJOR)
dd0781e5 NB	157	devnum = -1 - devnum;
	158
	159	for (e=ms; e; e=e->next)
	160	if (e->devnum == devnum)
	161	break;
beae1dfe NB	162	if (!get_dev_size(fd, NULL, &larray_size))
beae1dfe NB	163	larray_size = 0;
56eb10c0	164
cd29a5c8 NB	165	printf("%s:\n", dev);
	166	printf(" Version : %02d.%02d.%02d\n",
	167	array.major_version, array.minor_version, array.patch_version);
	168	atime = array.ctime;
	169	printf(" Creation Time : %.24s\n", ctime(&atime));
	170	printf(" Raid Level : %s\n", c?c:"-unknown-");
56eb10c0	171	if (larray_size)
dd0781e5	172	printf(" Array Size : %llu%s\n", (larray_size>>10), human_size(larray_size));
3d4064cc NB	173	if (array.level >= 1) {
3d4064cc NB	174	if (array.major_version != 0 &&
6ee5c05a NB	175	(larray_size >= 0xFFFFFFFFULL\|\| array.size == 0)) {
	176	unsigned long long dsize = get_component_size(fd);
	177	if (dsize > 0)
e3362544 NB	178	printf(" Used Dev Size : %llu%s\n",
	179	dsize,
	180	human_size((long long)array.size<<10));
6ee5c05a	181	else
e3362544	182	printf(" Used Dev Size : unknown\n");
6ee5c05a	183	} else
e3362544 NB	184	printf(" Used Dev Size : %d%s\n", array.size,
e3362544 NB	185	human_size((long long)array.size<<10));
3d4064cc	186	}
b83d95f3 NB	187	printf(" Raid Devices : %d\n", array.raid_disks);
b83d95f3 NB	188	printf(" Total Devices : %d\n", array.nr_disks);
cd29a5c8	189	printf("Preferred Minor : %d\n", array.md_minor);
b83d95f3	190	printf(" Persistence : Superblock is %spersistent\n",
cd29a5c8 NB	191	array.not_persistent?"not ":"");
cd29a5c8 NB	192	printf("\n");
4027ddca NB	193	/* Only try GET_BITMAP_FILE for 0.90.01 and later */
	194	if (vers >= 9001 &&
	195	ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
	196	bmf.pathname[0]) {
8fac0577 NB	197	printf(" Intent Bitmap : %s\n", bmf.pathname);
	198	printf("\n");
	199	} else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
	200	printf(" Intent Bitmap : Internal\n\n");
cd29a5c8 NB	201	atime = array.utime;
cd29a5c8 NB	202	printf(" Update Time : %.24s\n", ctime(&atime));
120230a4	203	printf(" State : %s%s%s%s\n",
182661f4	204	(array.state&(1<<MD_SB_CLEAN))?"clean":"active",
dd0781e5	205	array.active_disks < array.raid_disks? ", degraded":"",
e5329c37	206	(!e \|\| e->percent < 0) ? "" :
120230a4 NB	207	(e->resync) ? ", resyncing": ", recovering",
120230a4 NB	208	larray_size ? "": ", Not Started");
b83d95f3 NB	209	printf(" Active Devices : %d\n", array.active_disks);
	210	printf("Working Devices : %d\n", array.working_disks);
	211	printf(" Failed Devices : %d\n", array.failed_disks);
	212	printf(" Spare Devices : %d\n", array.spare_disks);
cd29a5c8 NB	213	printf("\n");
	214	if (array.level == 5) {
	215	c = map_num(r5layout, array.layout);
	216	printf(" Layout : %s\n", c?c:"-unknown-");
	217	}
e5329c37	218	if (array.level == 10) {
b578481c NB	219	printf(" Layout : near=%d, %s=%d\n",
	220	array.layout&255, (array.layout&0x10000)?"offset":"far",
	221	(array.layout>>8)&255);
e5329c37	222	}
cd29a5c8 NB	223	switch (array.level) {
	224	case 0:
	225	case 4:
	226	case 5:
e5329c37 NB	227	case 10:
	228	case 6:
	229	printf(" Chunk Size : %dK\n\n", array.chunk_size/1024);
cd29a5c8 NB	230	break;
cd29a5c8 NB	231	case -1:
e5329c37	232	printf(" Rounding : %dK\n\n", array.chunk_size/1024);
cd29a5c8 NB	233	break;
	234	default: break;
	235	}
aba69144	236
e5329c37	237	if (e && e->percent >= 0) {
bed256c2 NB	238	printf(" Re%s Status : %d%% complete\n",
	239	(super && info.reshape_active)? "shape":"build",
	240	e->percent);
e5329c37 NB	241	is_rebuilding = 1;
e5329c37 NB	242	}
dd0781e5 NB	243	free_mdstat(ms);
dd0781e5 NB	244
bed256c2 NB	245	if (super && info.reshape_active) {
	246	#if 0
	247	This is pretty boring
	248	printf(" Reshape pos'n : %llu%s\n", (unsigned long long) info.reshape_progress<<9,
	249	human_size(info.reshape_progress<<9));
	250	#endif
	251	if (info.delta_disks > 0)
	252	printf(" Delta Devices : %d, (%d->%d)\n",
	253	info.delta_disks, array.raid_disks - info.delta_disks, array.raid_disks);
	254	if (info.delta_disks < 0)
	255	printf(" Delta Devices : %d, (%d->%d)\n",
	256	info.delta_disks, array.raid_disks, array.raid_disks + info.delta_disks);
	257	if (info.new_level != array.level) {
	258	char *c = map_num(pers, info.new_level);
	259	printf(" New Level : %s\n", c?c:"-unknown-");
	260	}
	261	if (info.new_level != array.level \|\|
	262	info.new_layout != array.layout) {
	263	if (info.new_level == 5) {
	264	char *c = map_num(r5layout, info.new_layout);
	265	printf(" New Layout : %s\n",
	266	c?c:"-unknown-");
	267	}
	268	if (info.new_level == 10) {
b578481c	269	printf(" New Layout : near=%d, %s=%d\n",
bed256c2	270	info.new_layout&255,
b578481c	271	(info.new_layout&0x10000)?"offset":"far",
bed256c2 NB	272	(info.new_layout>>8)&255);
	273	}
	274	}
	275	if (info.new_chunk != array.chunk_size)
	276	printf(" New Chunksize : %dK\n", info.new_chunk/1024);
	277	printf("\n");
	278	} else if (e && e->percent >= 0)
	279	printf("\n");
82d9eba6	280	if (super && st)
68c7d6d7	281	st->ss->detail_super(st, super, homehost);
e5329c37	282
b83d95f3	283	printf(" Number Major Minor RaidDevice State\n");
cd29a5c8	284	}
b0c63f32 NB	285	disks = malloc(max_disks * sizeof(mdu_disk_info_t));
	286	for (d=0; d<max_disks; d++) {
	287	disks[d].state = (1<<MD_DISK_REMOVED);
	288	disks[d].major = disks[d].minor = 0;
8352ab3e	289	disks[d].number = disks[d].raid_disk = d;
b0c63f32 NB	290	}
	291
	292	next = array.raid_disks;
	293	for (d=0; d < max_disks; d++) {
64c4757e NB	294	mdu_disk_info_t disk;
	295	disk.number = d;
	296	if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
e0d19036	297	if (d < array.raid_disks)
b83d95f3	298	fprintf(stderr, Name ": cannot get device detail for device %d: %s\n",
e0d19036	299	d, strerror(errno));
64c4757e NB	300	continue;
64c4757e NB	301	}
67687afe NB	302	if (disk.major == 0 && disk.minor == 0)
67687afe NB	303	continue;
aba69144	304	if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks)
b0c63f32 NB	305	disks[disk.raid_disk] = disk;
	306	else if (next < max_disks)
	307	disks[next++] = disk;
	308	}
	309
a77be586	310	avail = calloc(array.raid_disks, 1);
b0c63f32 NB	311	for (d= 0; d < max_disks; d++) {
	312	char *dv;
	313	mdu_disk_info_t disk = disks[d];
	314
e0d19036 NB	315	if (d >= array.raid_disks &&
	316	disk.major == 0 &&
	317	disk.minor == 0)
	318	continue;
cd29a5c8	319	if (!brief) {
b0c63f32	320	if (d == array.raid_disks) printf("\n");
e5329c37	321	if (disk.raid_disk < 0)
aba69144	322	printf(" %5d %5d %5d - ",
e5329c37 NB	323	disk.number, disk.major, disk.minor);
e5329c37 NB	324	else
aba69144	325	printf(" %5d %5d %5d %5d ",
e5329c37	326	disk.number, disk.major, disk.minor, disk.raid_disk);
aba69144 NB	327	if (disk.state & (1<<MD_DISK_FAULTY)) {
aba69144 NB	328	printf(" faulty");
e5329c37 NB	329	if (disk.raid_disk < array.raid_disks &&
	330	disk.raid_disk >= 0)
	331	failed++;
	332	}
cd29a5c8 NB	333	if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active");
	334	if (disk.state & (1<<MD_DISK_SYNC)) printf(" sync");
	335	if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
b0c63f32 NB	336	if (disk.state & (1<<MD_DISK_WRITEMOSTLY)) printf(" writemostly");
	337	if ((disk.state &
	338	((1<<MD_DISK_ACTIVE)\|(1<<MD_DISK_SYNC)\|(1<<MD_DISK_REMOVED)))
	339	== 0) {
	340	printf(" spare");
e5329c37 NB	341	if (is_26) {
	342	if (disk.raid_disk < array.raid_disks && disk.raid_disk >= 0)
	343	printf(" rebuilding");
	344	} else if (is_rebuilding && failed) {
	345	/* Taking a bit of a risk here, we remove the
	346	* device from the array, and then put it back.
	347	* If this fails, we are rebuilding
	348	*/
0df46c2a NB	349	int err = ioctl(fd, HOT_REMOVE_DISK, makedev(disk.major, disk.minor));
0df46c2a NB	350	if (err == 0) ioctl(fd, HOT_ADD_DISK, makedev(disk.major, disk.minor));
e5329c37 NB	351	if (err && errno == EBUSY)
	352	printf(" rebuilding");
	353	}
	354	}
feb716e9	355	}
e5329c37	356	if (disk.state == 0) spares++;
a77be586 NB	357	if (test && d < array.raid_disks
a77be586 NB	358	&& !(disk.state & (1<<MD_DISK_SYNC)))
feb716e9	359	rv \|= 1;
a77be586 NB	360	if (d < array.raid_disks
	361	&& (disk.state & (1<<MD_DISK_SYNC))) {
	362	avail_disks ++;
	363	avail[d] = 1;
cd29a5c8	364	}
16c6fa80	365	if ((dv=map_dev(disk.major, disk.minor, 0))) {
d013a55e NB	366	if (brief) {
	367	if (devices) {
	368	devices = realloc(devices,
	369	strlen(devices)+1+strlen(dv)+1);
	370	strcat(strcat(devices,","),dv);
	371	} else
	372	devices = strdup(dv);
	373	} else
	374	printf(" %s", dv);
82b27616	375	}
cd29a5c8	376	if (!brief) printf("\n");
64c4757e	377	}
feb716e9	378	if (spares && brief) printf(" spares=%d", spares);
82d9eba6	379	if (super && brief && st)
68c7d6d7	380	st->ss->brief_detail_super(st, super);
df37ffc0	381	if (super)
68c7d6d7	382	st->ss->free_super(st, super);
4b1ac34b	383
22892d56	384	if (brief > 1 && devices) printf("\n devices=%s", devices);
cd29a5c8	385	if (brief) printf("\n");
a77be586 NB	386	if (test &&
	387	!enough(array.level, array.raid_disks, array.layout,
	388	1, avail, avail_disks))
	389	rv = 2;
	390
a328c097	391	out:
e5329c37	392	close(fd);
feb716e9	393	return rv;
64c4757e	394	}