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freebsd-dev/sbin/vinum/list.c

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/* list.c: vinum interface program, list routines
*/
/*-
* Copyright (c) 1997, 1998
* Nan Yang Computer Services Limited. All rights reserved.
*
* This software is distributed under the so-called ``Berkeley
* License'':
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Nan Yang Computer
* Services Limited.
* 4. Neither the name of the Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided ``as is'', and any express or implied
* warranties, including, but not limited to, the implied warranties of
* merchantability and fitness for a particular purpose are disclaimed.
* In no event shall the company or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even if
* advised of the possibility of such damage.
*
* $Id: list.c,v 1.17 1999/01/17 02:58:44 grog Exp grog $
*/
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <netdb.h>
#include <setjmp.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/utsname.h>
#include <dev/vinum/vinumhdr.h>
#include "vext.h"
#include <dev/vinum/request.h>
/* Take a size in sectors and return a pointer to a
* string which represents the size best.
* If lj is != 0, return left justified, otherwise
* in a fixed 10 character field suitable for
* columnar printing.
*
* Note this uses a static string: it's only intended to
* be used immediately for printing */
char *
roughlength(long long bytes, int lj)
{
static char description[16];
if (bytes > (long long) MEGABYTE * 10000) /* gigabytes */
sprintf(description, lj ? "%d GB" : "%10d GB", bytes / GIGABYTE);
else if (bytes > KILOBYTE * 10000) /* megabytes */
sprintf(description, lj ? "%d MB" : "%10d MB", bytes / MEGABYTE);
else if (bytes > 10000) /* kilobytes */
sprintf(description, lj ? "%d kB" : "%10d kB", bytes / KILOBYTE);
else /* bytes */
sprintf(description, lj ? "%d B" : "%10d B", bytes);
return description;
}
void
vinum_list(int argc, char *argv[], char *argv0[])
{
int object;
int i;
enum objecttype type;
if (argc == 0)
listconfig(); /* list everything */
else
for (i = 0; i < argc; i++) {
object = find_object(argv[i], &type); /* look for it */
if (vinum_li(object, type))
fprintf(stderr, "Can't find object: %s\n", argv[i]);
}
}
/* List an object */
int
vinum_li(int object, enum objecttype type)
{
switch (type) {
case drive_object:
vinum_ldi(object, recurse);
break;
case sd_object:
vinum_lsi(object, recurse);
break;
case plex_object:
vinum_lpi(object, recurse);
break;
case volume_object:
vinum_lvi(object, recurse);
break;
default:
return -1;
}
return 0;
}
void
vinum_ldi(int driveno, int recurse)
{
time_t t; /* because Bruce says so */
get_drive_info(&drive, driveno);
if (drive.state != drive_unallocated) {
if (verbose) {
printf("Drive %s:\tDevice %s\n",
drive.label.name,
drive.devicename);
t = drive.label.date_of_birth.tv_sec;
printf("\t\tCreated on %s at %s",
drive.label.sysname,
ctime(&t));
t = drive.label.last_update.tv_sec;
printf("\t\tConfig last updated %s", /* care: \n at end */
ctime(&t));
printf("\t\tSize: %16qd bytes (%qd MB)\n\t\tUsed: %16qd bytes (%qd MB)\n"
"\t\tAvailable: %11qd bytes (%d MB)\n",
drive.label.drive_size, /* bytes used */
(drive.label.drive_size / MEGABYTE),
drive.label.drive_size - drive.sectors_available * DEV_BSIZE,
(drive.label.drive_size - drive.sectors_available * DEV_BSIZE) / MEGABYTE,
drive.sectors_available * DEV_BSIZE,
(int) (drive.sectors_available * DEV_BSIZE / MEGABYTE));
printf("\t\tState: %s\n", drive_state(drive.state));
if (drive.lasterror != 0)
printf("\t\tLast error: %s\n", strerror(drive.lasterror));
else
printf("\t\tLast error: none\n");
if (Verbose) { /* print the free list */
int fe; /* freelist entry */
struct drive_freelist freelist;
struct ferq { /* request to pass to ioctl */
int driveno;
int fe;
} *ferq = (struct ferq *) &freelist;
printf("\t\tFree list contains %d entries:\n\t\t Offset\t Size\n",
drive.freelist_entries);
for (fe = 0; fe < drive.freelist_entries; fe++) {
ferq->driveno = drive.driveno;
ferq->fe = fe;
if (ioctl(superdev, VINUM_GETFREELIST, &freelist) < 0) {
fprintf(stderr,
"Can't get free list element %d: %s\n",
fe,
strerror(errno));
longjmp(command_fail, -1);
}
printf("\t\t%9qd\t%9ld\n", freelist.offset, freelist.sectors);
}
}
} else
printf("D %-21s State: %s\tDevice %s\n",
drive.label.name,
drive_state(drive.state),
drive.devicename);
if (stats) {
printf("\t\tReads: \t%16qd\n\t\tBytes read:\t%16qd (%s)\n",
drive.reads,
drive.bytes_read,
roughlength(drive.bytes_read, 1));
if (drive.reads != 0)
printf("\t\tAverage read:\t%16qd bytes\n", drive.bytes_read / drive.reads);
printf("\t\tWrites: \t%16qd\n\t\tBytes written:\t%16qd (%s)\n",
drive.writes,
drive.bytes_written,
roughlength(drive.bytes_written, 1));
if (drive.writes != 0)
printf("\t\tAverage write:\t%16qd bytes\n",
drive.bytes_written / drive.writes);
}
}
}
void
vinum_ld(int argc, char *argv[], char *argv0[])
{
int i;
int driveno;
enum objecttype type;
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
return;
}
if (argc == 0) {
for (driveno = 0; driveno < vinum_conf.drives_used; driveno++)
vinum_ldi(driveno, recurse);
} else {
for (i = 0; i < argc; i++) {
driveno = find_object(argv[i], &type);
if (type == drive_object)
vinum_ldi(driveno, recurse);
else
fprintf(stderr, "%s is not a drive\n", argv[i]);
}
}
}
void
vinum_lvi(int volno, int recurse)
{
get_volume_info(&vol, volno);
if (vol.state != volume_unallocated) {
if (verbose) {
printf("Volume %s:\tSize: %qd bytes (%qd MB)\n"
"\t\tState: %s\n\t\tOpen by PID: %d\n\t\tFlags: %s%s\n",
vol.name,
((long long) vol.size) * DEV_BSIZE,
((long long) vol.size) * DEV_BSIZE / MEGABYTE,
volume_state(vol.state),
vol.pid,
(vol.flags & VF_WRITETHROUGH ? "writethrough " : ""),
(vol.flags & VF_RAW ? "raw" : ""));
printf("\t\t%d plexes\n\t\tRead policy: ", vol.plexes);
if (vol.preferred_plex < 0) /* round robin */
printf("round robin\n");
else {
get_plex_info(&plex, vol.plex[vol.preferred_plex]);
printf("plex %d (%s)\n", vol.preferred_plex, plex.name);
}
} else /* brief */
printf("V %-21s State: %s\tPlexes: %7d\tSize: %s\n",
vol.name,
volume_state(vol.state),
vol.plexes,
roughlength(vol.size << DEV_BSHIFT, 0));
if (stats) {
printf("\t\tReads: \t%16qd\n\t\tRecovered:\t%16qd\n\t\tBytes read:\t%16qd (%s)\n",
vol.reads,
vol.recovered_reads,
vol.bytes_read,
roughlength(vol.bytes_read, 1));
if (vol.reads != 0)
printf("\t\tAverage read:\t%16qd bytes\n", vol.bytes_read / vol.reads);
printf("\t\tWrites: \t%16qd\n\t\tBytes written:\t%16qd (%s)\n",
vol.writes,
vol.bytes_written,
roughlength(vol.bytes_written, 1));
if (vol.writes != 0)
printf("\t\tAverage write:\t%16qd bytes\n",
vol.bytes_written / vol.writes);
printf("\t\tActive requests:\t%8d\n", vol.active);
}
if (vol.plexes > 0) {
int plexno;
if (Verbose) { /* brief list */
for (plexno = 0; plexno < vol.plexes; plexno++) {
get_plex_info(&plex, vol.plex[plexno]);
/* Just a brief summary here */
printf("\t\tPlex %2d:\t%s\t(%s), %s\n",
plexno,
plex.name,
plex_org(plex.organization),
roughlength(plex.length << DEV_BSHIFT, 0));
}
}
if (recurse) {
for (plexno = 0; plexno < vol.plexes; plexno++)
vinum_lpi(vol.plex[plexno], 0); /* first show the plexes */
for (plexno = 0; plexno < vol.plexes; plexno++) { /* then the subdisks */
get_plex_info(&plex, vol.plex[plexno]);
if (plex.subdisks > 0) {
int sdno;
for (sdno = 0; sdno < plex.subdisks; sdno++) {
get_plex_sd_info(&sd, vol.plex[plexno], sdno);
vinum_lsi(sd.sdno, 0);
}
}
}
if (verbose == 0) /* not verbose, but recursive */
printf("\n"); /* leave a line at the end of each hierarchy */
}
}
}
}
void
vinum_lv(int argc, char *argv[], char *argv0[])
{
int i;
int volno;
enum objecttype type;
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
return;
}
if (argc == 0)
for (volno = 0; volno < vinum_conf.volumes_used; volno++)
vinum_lvi(volno, recurse);
else {
for (i = 0; i < argc; i++) {
volno = find_object(argv[i], &type);
if (type == volume_object)
vinum_lvi(volno, recurse);
else
fprintf(stderr, "%s is not a volume\n", argv[i]);
}
}
}
void
vinum_lpi(int plexno, int recurse)
{
get_plex_info(&plex, plexno);
if (plex.state != plex_unallocated) {
if (verbose) {
printf("Plex %s:\tSize:\t%9qd bytes (%qd MB)\n\t\tSubdisks: %8d\n",
plex.name,
(long long) plex.length * DEV_BSIZE,
(long long) plex.length * DEV_BSIZE / MEGABYTE,
plex.subdisks);
printf("\t\tState: %s\n\t\tOrganization: %s",
plex_state(plex.state),
plex_org(plex.organization));
if ((plex.organization == plex_striped)
|| (plex.organization == plex_raid5))
printf("\tStripe size: %s\n", roughlength(plex.stripesize * DEV_BSIZE, 1));
else
printf("\n");
if (plex.volno >= 0) {
get_volume_info(&vol, plex.volno);
printf("\t\tPart of volume %s\n", vol.name);
}
} else {
char *org = ""; /* organization */
switch (plex.organization) {
case plex_disorg: /* disorganized */
org = "??";
break;
case plex_concat: /* concatenated plex */
org = "C";
break;
case plex_striped: /* striped plex */
org = "S";
break;
case plex_raid5: /* RAID5 plex */
org = "R5";
break;
}
printf("P %-18s %2s State: %s\tSubdisks: %5d\tSize: %s\n",
plex.name,
org,
plex_state(plex.state),
plex.subdisks,
roughlength(plex.length << DEV_BSHIFT, 0));
}
if (stats) {
printf("\t\tReads: \t%16qd\n\t\tBytes read:\t%16qd (%s)\n",
plex.reads,
plex.bytes_read,
roughlength(plex.bytes_read, 1));
if (plex.reads != 0)
printf("\t\tAverage read:\t%16qd bytes\n", plex.bytes_read / plex.reads);
printf("\t\tWrites: \t%16qd\n\t\tBytes written:\t%16qd (%s)\n",
plex.writes,
plex.bytes_written,
roughlength(plex.bytes_written, 1));
if (plex.writes != 0)
printf("\t\tAverage write:\t%16qd bytes\n",
plex.bytes_written / plex.writes);
if (((plex.reads + plex.writes) > 0)
&& ((plex.organization == plex_striped)
|| (plex.organization == plex_raid5)))
printf("\t\tMultiblock:\t%16qd (%d%%)\n"
"\t\tMultistripe:\t%16qd (%d%%)\n",
plex.multiblock,
(int) (plex.multiblock * 100 / (plex.reads + plex.writes)),
plex.multistripe,
(int) (plex.multistripe * 100 / (plex.reads + plex.writes)));
}
if (plex.subdisks > 0) {
int sdno;
if (Verbose) {
printf("\n");
for (sdno = 0; sdno < plex.subdisks; sdno++) {
get_plex_sd_info(&sd, plexno, sdno);
printf("\t\tSubdisk %d:\t%s\n\t\t state: %s\tsize %11qd (%qd MB)\n",
sdno,
sd.name,
sd_state(sd.state),
(long long) sd.sectors * DEV_BSIZE,
(long long) sd.sectors * DEV_BSIZE / MEGABYTE);
if (plex.organization == plex_concat)
printf("\t\t\toffset %9ld (0x%lx)\n",
(long) sd.plexoffset,
(long) sd.plexoffset);
}
}
if (recurse)
for (sdno = 0; sdno < plex.subdisks; sdno++) {
get_plex_sd_info(&sd, plexno, sdno);
vinum_lsi(sd.sdno, 0);
}
}
}
}
void
vinum_lp(int argc, char *argv[], char *argv0[])
{
int i;
int plexno;
enum objecttype type;
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
return;
}
if (argc == 0) {
for (plexno = 0; plexno < vinum_conf.plexes_used; plexno++)
vinum_lpi(plexno, recurse);
} else {
for (i = 0; i < argc; i++) {
plexno = find_object(argv[i], &type);
if (type == plex_object)
vinum_lpi(plexno, recurse);
else
fprintf(stderr, "%s is not a plex\n", argv[i]);
}
}
}
void
vinum_lsi(int sdno, int recurse)
{
get_sd_info(&sd, sdno);
if (sd.state != sd_unallocated) {
if (verbose) {
printf("Subdisk %s:\n\t\tSize: %16qd bytes (%qd MB)\n\t\tState: %s\n",
sd.name,
(long long) sd.sectors * DEV_BSIZE,
(long long) sd.sectors / (MEGABYTE / DEV_BSIZE),
sd_state(sd.state));
if (sd.plexno >= 0) {
get_plex_info(&plex, sd.plexno);
printf("\t\tPlex %s", plex.name);
printf(" at offset %qd\n", (long long) sd.plexoffset * DEV_BSIZE);
}
if (sd.state == sd_reviving) {
printf("\t\tRevive pointer:\t\t%s (%d%%)\n",
roughlength(sd.revived << DEV_BSHIFT, 0),
(int) (((u_int64_t) (sd.revived * 100)) / sd.sectors));
printf("\t\tRevive blocksize:\t%s\n"
"\t\tRevive interval:\t%10d seconds\n",
roughlength(sd.revive_blocksize, 0),
sd.revive_interval);
}
} else {
printf("S %-21s State: %s\tPO: %s ",
sd.name,
sd_state(sd.state),
&(roughlength(sd.plexoffset << DEV_BSHIFT, 0))[2]); /* what a kludge! */
printf("Size: %s\n",
roughlength(sd.sectors << DEV_BSHIFT, 0));
}
if (stats) {
printf("\t\tReads: \t%16qd\n\t\tBytes read:\t%16qd (%s)\n",
sd.reads,
sd.bytes_read,
roughlength(sd.bytes_read, 1));
if (sd.reads != 0)
printf("\t\tAverage read:\t%16qd bytes\n", sd.bytes_read / sd.reads);
printf("\t\tWrites: \t%16qd\n\t\tBytes written:\t%16qd (%s)\n",
sd.writes,
sd.bytes_written,
roughlength(sd.bytes_written, 1));
if (sd.writes != 0)
printf("\t\tAverage write:\t%16qd bytes\n",
sd.bytes_written / sd.writes);
}
if (Verbose) {
get_drive_info(&drive, sd.driveno);
printf("\t\tDrive %15s\n\t\t\tDevice %-15s\n",
drive.label.name,
drive.devicename);
if (sd.driveoffset < 0)
printf("\t\t\tDrive offset\t *none*\n");
else
printf("\t\t\tDrive offset\t%9ld\n", (long) sd.driveoffset * DEV_BSIZE);
}
if (recurse)
vinum_ldi(sd.driveno, recurse);
if (verbose)
printf("\n"); /* make it more readable */
}
}
void
vinum_ls(int argc, char *argv[], char *argv0[])
{
int i;
int sdno;
/* Structures to read kernel data into */
struct _vinum_conf vinum_conf;
enum objecttype type;
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
return;
}
if (argc == 0) {
for (sdno = 0; sdno < vinum_conf.subdisks_used; sdno++)
vinum_lsi(sdno, recurse);
} else { /* specific subdisks */
for (i = 0; i < argc; i++) {
sdno = find_object(argv[i], &type);
if (type == sd_object)
vinum_lsi(sdno, recurse);
else
fprintf(stderr, "%s is not a subdisk\n", argv[i]);
}
}
}
/* List the complete configuration.
* XXX Change this to specific lists */
void
listconfig()
{
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
return;
}
printf("Configuration summary\n\n");
printf("Drives:\t\t%d (%d configured)\n", vinum_conf.drives_used, vinum_conf.drives_allocated);
printf("Volumes:\t%d (%d configured)\n", vinum_conf.volumes_used, vinum_conf.volumes_allocated);
printf("Plexes:\t\t%d (%d configured)\n", vinum_conf.plexes_used, vinum_conf.plexes_allocated);
printf("Subdisks:\t%d (%d configured)\n\n", vinum_conf.subdisks_used, vinum_conf.subdisks_allocated);
vinum_ld(0, NULL, NULL);
printf("\n");
vinum_lv(0, NULL, NULL);
printf("\n");
vinum_lp(0, NULL, NULL);
printf("\n");
vinum_ls(0, NULL, NULL);
}
/* Convert a timeval to Tue Oct 13 13:54:14.0434324
* Return pointer to text */
char *
timetext(struct timeval *time)
{
static char text[30];
time_t t; /* to keep Bruce happy */
t = time->tv_sec;
strcpy(text, ctime(&t)); /* to the second */
sprintf(&text[19], ".%06ld", time->tv_usec); /* and the microseconds */
return &text[11];
}
void
vinum_info(int argc, char *argv[], char *argv0[])
{
struct meminfo meminfo;
struct mc malloced;
int i;
#if VINUMDEBUG
struct rqinfo rq;
#endif
if (ioctl(superdev, VINUM_GETCONFIG, &vinum_conf) < 0) {
perror("Can't get vinum config");
return;
}
printf("Flags: 0x%x\t%d opens\n", vinum_conf.flags, vinum_conf.opencount);
if (ioctl(superdev, VINUM_MEMINFO, &meminfo) < 0) {
perror("Can't get information");
return;
}
printf("Total of %d blocks malloced, total memory: %d\nMaximum allocs: %8d, malloc table at 0x%08x\n",
meminfo.mallocs,
meminfo.total_malloced,
meminfo.highwater,
(int) meminfo.malloced);
if (verbose && (!Verbose))
for (i = 0; i < meminfo.mallocs; i++) {
malloced.seq = i;
if (ioctl(superdev, VINUM_MALLOCINFO, &malloced) < 0) {
perror("Can't get information");
return;
}
if (!(i & 63))
printf("Block\tSequence\t size\t address\t line\t\tfile\n\n");
printf("%6d\t%6d\t\t%6d\t0x%08x\t%6d\t\t%s\n",
i,
malloced.seq,
malloced.size,
(int) malloced.address,
malloced.line,
(char *) &malloced.file);
}
#if VINUMDEBUG
if (Verbose) {
printf("\nTime\t\t Event\t Buf\tDev\tOffset\t\tBytes\tSD\tSDoff\tDoffset\tGoffset\n\n");
for (i = RQINFO_SIZE - 1; i >= 0; i--) { /* go through the request list in order */
*((int *) &rq) = i;
if (ioctl(superdev, VINUM_RQINFO, &rq) < 0) {
perror("Can't get information");
return;
}
switch (rq.type) {
case loginfo_unused: /* never been used */
break;
case loginfo_user_bp: /* this is the bp when strategy is called */
printf("%s 1VS %s %p\t0x%x\t0x%-9x\t%ld\n",
timetext(&rq.timestamp),
rq.info.b.b_flags & B_READ ? "Read " : "Write",
rq.bp,
rq.info.b.b_dev,
rq.info.b.b_blkno,
rq.info.b.b_bcount);
break;
case loginfo_user_bpl: /* and this is the bp at launch time */
printf("%s 2LR %s %p\t0x%x\t0x%-9x\t%ld\n",
timetext(&rq.timestamp),
rq.info.b.b_flags & B_READ ? "Read " : "Write",
rq.bp,
rq.info.b.b_dev,
rq.info.b.b_blkno,
rq.info.b.b_bcount);
break;
case loginfo_rqe: /* user RQE */
printf("%s 3RQ %s %p\t0x%x\t0x%-9x\t%ld\t%d\t%x\t%x\t%x\n",
timetext(&rq.timestamp),
rq.info.rqe.b.b_flags & B_READ ? "Read " : "Write",
rq.bp,
rq.info.rqe.b.b_dev,
rq.info.rqe.b.b_blkno,
rq.info.rqe.b.b_bcount,
rq.info.rqe.sdno,
rq.info.rqe.sdoffset,
rq.info.rqe.dataoffset,
rq.info.rqe.groupoffset);
break;
case loginfo_iodone: /* iodone called */
printf("%s 4DN %s %p\t0x%x\t0x%-9x\t%ld\t%d\t%x\t%x\t%x\n",
timetext(&rq.timestamp),
rq.info.rqe.b.b_flags & B_READ ? "Read " : "Write",
rq.bp,
rq.info.rqe.b.b_dev,
rq.info.rqe.b.b_blkno,
rq.info.rqe.b.b_bcount,
rq.info.rqe.sdno,
rq.info.rqe.sdoffset,
rq.info.rqe.dataoffset,
rq.info.rqe.groupoffset);
break;
case loginfo_raid5_data: /* RAID-5 write data block */
printf("%s 5RD %s %p\t0x%x\t0x%-9x\t%ld\t%d\t%x\t%x\t%x\n",
timetext(&rq.timestamp),
rq.info.rqe.b.b_flags & B_READ ? "Read " : "Write",
rq.bp,
rq.info.rqe.b.b_dev,
rq.info.rqe.b.b_blkno,
rq.info.rqe.b.b_bcount,
rq.info.rqe.sdno,
rq.info.rqe.sdoffset,
rq.info.rqe.dataoffset,
rq.info.rqe.groupoffset);
break;
case loginfo_raid5_parity: /* RAID-5 write parity block */
printf("%s 6RP %s %p\t0x%x\t0x%-9x\t%ld\t%d\t%x\t%x\t%x\n",
timetext(&rq.timestamp),
rq.info.rqe.b.b_flags & B_READ ? "Read " : "Write",
rq.bp,
rq.info.rqe.b.b_dev,
rq.info.rqe.b.b_blkno,
rq.info.rqe.b.b_bcount,
rq.info.rqe.sdno,
rq.info.rqe.sdoffset,
rq.info.rqe.dataoffset,
rq.info.rqe.groupoffset);
}
}
}
#endif
}
/* Print config file to a file. This is a userland version
* of kernel format_config */
void
vinum_printconfig(int argc, char *argv[], char *argv0[])
{
FILE *of;
struct utsname uname_s;
time_t now;
int i;
int j;
struct volume vol;
struct plex plex;
struct sd sd;
struct drive drive;
if (argc != 1) {
fprintf(stderr, "Usage: \tprintconfig <outfile>\n");
return;
}
of = fopen(argv[0], "w");
if (of == NULL) {
fprintf(stderr, "Can't open %s: %s\n", argv[0], strerror(errno));
return;
}
uname(&uname_s); /* get our system name */
time(&now); /* and the current time */
fprintf(of,
"# Vinum configuration of %s, saved at %s",
uname_s.nodename,
ctime(&now)); /* say who did it */
for (i = 0; i < vinum_conf.drives_used; i++) {
get_drive_info(&drive, i);
if (drive.state != drive_unallocated) {
fprintf(of,
"drive %s device %s\n",
drive.label.name,
drive.devicename);
}
}
for (i = 0; i < vinum_conf.volumes_used; i++) {
get_volume_info(&vol, i);
if (vol.state != volume_unallocated) {
if (vol.preferred_plex >= 0) /* preferences, */
fprintf(of,
"volume %s readpol prefer %s",
vol.name,
vinum_conf.plex[vol.preferred_plex].name);
else /* default round-robin */
fprintf(of, "volume %s", vol.name);
}
}
/* Then the plex configuration */
for (i = 0; i < vinum_conf.plexes_used; i++) {
get_volume_info(&vol, i);
if (plex.state != plex_unallocated) {
fprintf(of, "plex name %s state %s org %s ",
plex.name,
plex_state(plex.state),
plex_org(plex.organization));
if ((plex.organization == plex_striped)
|| (plex.organization == plex_raid5)) {
fprintf(of, "%db ", (int) plex.stripesize);
}
if (plex.volno >= 0) { /* we have a volume */
get_volume_info(&vol, plex.volno);
fprintf(of, "vol %s ", vol.name);
}
for (j = 0; j < plex.subdisks; j++) {
get_plex_sd_info(&sd, i, j);
fprintf(of, " sd %s", sd.name);
}
fprintf(of, "\n");
}
}
/* And finally the subdisk configuration */
for (i = 0; i < vinum_conf.subdisks_used; i++) {
get_sd_info(&sd, i);
if (sd.state != sd_unallocated) {
get_drive_info(&drive, sd.driveno);
get_plex_info(&plex, sd.plexno);
fprintf(of,
"sd name %s drive %s plex %s len %qdb driveoffset %qdb plexoffset %qdb\n",
sd.name,
drive.label.name,
plex.name,
sd.sectors,
sd.driveoffset,
sd.plexoffset);
}
}
}
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