]> git.ipfire.org Git - thirdparty/mdadm.git/blobdiff - mdadm.c
Release 2.5.2
[thirdparty/mdadm.git] / mdadm.c
diff --git a/mdadm.c b/mdadm.c
index de0a503e316c58f3558f9dc42fc82b85dfc9903d..e7c53d484330552b4effd59f62a757230eca25c6 100644 (file)
--- a/mdadm.c
+++ b/mdadm.c
@@ -100,6 +100,7 @@ int main(int argc, char *argv[])
        int re_add = 0;
        char *shortopt = short_options;
        int dosyslog = 0;
+       int auto_update_home = 0;
 
        int copies;
        int print_help = 0;
@@ -177,7 +178,7 @@ int main(int argc, char *argv[])
                case 'a':
                case 'r':
                case 'f':
-               case 6: /* re-add */
+               case ReAdd: /* re-add */
                        if (!mode) {
                                newmode = MANAGE;
                                shortopt = short_bitmap_auto_options;
@@ -237,6 +238,7 @@ int main(int argc, char *argv[])
                                        dv->disposition = devmode;
                                        dv->writemostly = writemostly;
                                        dv->re_add = re_add;
+                                       dv->used = 0;
                                        dv->next = NULL;
                                        *devlistend = dv;
                                        devlistend = &dv->next;
@@ -314,6 +316,9 @@ int main(int argc, char *argv[])
                        }
                        continue;
 
+               case O(ASSEMBLE,AutoHomeHost):
+                       auto_update_home = 1;
+                       continue;
                case O(CREATE,'e'):
                case O(ASSEMBLE,'e'):
                case O(MISC,'e'): /* set metadata (superblock) information */
@@ -566,6 +571,10 @@ int main(int argc, char *argv[])
                                continue;
                        if (strcmp(update, "uuid")==0)
                                continue;
+                       if (strcmp(update, "name")==0)
+                               continue;
+                       if (strcmp(update, "homehost")==0)
+                               continue;
                        if (strcmp(update, "byteorder")==0) {
                                if (ss) {
                                        fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n");
@@ -596,6 +605,7 @@ int main(int argc, char *argv[])
                                exit(2);
                        }
                        configfile = optarg;
+                       set_conffile(configfile);
                        /* FIXME possibly check that config file exists.  Even parse it */
                        continue;
                case O(ASSEMBLE,'s'): /* scan */
@@ -868,6 +878,8 @@ int main(int argc, char *argv[])
                        fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n");      
                        exit(2);
                }
+               if (mode == MANAGE || mode == GROW)
+                       autof=1; /* Don't create */
                mdfd = open_mddev(devlist->devname, autof);
                if (mdfd < 0)
                        exit(1);
@@ -900,7 +912,7 @@ int main(int argc, char *argv[])
        }
 
        if (homehost == NULL)
-               homehost = conf_get_homehost(configfile);
+               homehost = conf_get_homehost();
        if (homehost && strcmp(homehost, "<system>")==0) {
                if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) {
                        sys_hostname[sizeof(sys_hostname)-1] = 0;
@@ -920,13 +932,13 @@ int main(int argc, char *argv[])
                if (!rv && readonly < 0)
                        rv = Manage_ro(devlist->devname, mdfd, readonly);
                if (!rv && runstop)
-                       rv = Manage_runstop(devlist->devname, mdfd, runstop, 0);
+                       rv = Manage_runstop(devlist->devname, mdfd, runstop, quiet);
                break;
        case ASSEMBLE:
                if (devs_found == 1 && ident.uuid_set == 0 &&
                    ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) {
                        /* Only a device has been given, so get details from config file */
-                       mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname);
+                       mddev_ident_t array_ident = conf_get_ident(devlist->devname);
                        if (array_ident == NULL) {
                                fprintf(stderr, Name ": %s not identified in config file.\n",
                                        devlist->devname);
@@ -937,16 +949,16 @@ int main(int argc, char *argv[])
                                if (mdfd < 0)
                                        rv |= 1;
                                else {
-                                       rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile,
+                                       rv |= Assemble(ss, devlist->devname, mdfd, array_ident,
                                                       NULL, backup_file,
-                                                      readonly, runstop, update, verbose-quiet, force);
+                                                      readonly, runstop, update, homehost, verbose-quiet, force);
                                        close(mdfd);
                                }
                        }
                } else if (!scan)
-                       rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile,
+                       rv = Assemble(ss, devlist->devname, mdfd, &ident,
                                      devlist->next, backup_file,
-                                     readonly, runstop, update, verbose-quiet, force);
+                                     readonly, runstop, update, homehost, verbose-quiet, force);
                else if (devs_found>0) {
                        if (update && devs_found > 1) {
                                fprintf(stderr, Name ": can only update a single array at a time\n");
@@ -957,7 +969,7 @@ int main(int argc, char *argv[])
                                exit(1);
                        }
                        for (dv = devlist ; dv ; dv=dv->next) {
-                               mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname);
+                               mddev_ident_t array_ident = conf_get_ident(dv->devname);
                                if (array_ident == NULL) {
                                        fprintf(stderr, Name ": %s not identified in config file.\n",
                                                dv->devname);
@@ -970,43 +982,101 @@ int main(int argc, char *argv[])
                                        rv |= 1;
                                        continue;
                                }
-                               rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile,
+                               rv |= Assemble(ss, dv->devname, mdfd, array_ident,
                                               NULL, backup_file,
-                                              readonly, runstop, update, verbose-quiet, force);
+                                              readonly, runstop, update, homehost, verbose-quiet, force);
                                close(mdfd);
                        }
                } else {
-                       mddev_ident_t array_list =  conf_get_ident(configfile, NULL);
-                       if (!array_list) {
-                               fprintf(stderr, Name ": No arrays found in config file\n");
-                               rv = 1;
-                       } else
-                               if (update) {
-                                       fprintf(stderr, Name ": --update not meaningful with a --scan assembly.\n");
-                                       exit(1);
+                       mddev_ident_t array_list =  conf_get_ident(NULL);
+                       mddev_dev_t devlist = conf_get_devs();
+                       int cnt = 0;
+                       if (devlist == NULL) {
+                               fprintf(stderr, Name ": No devices listed in conf file were found.\n");
+                               exit(1);
+                       }
+                       if (update) {
+                               fprintf(stderr, Name ": --update not meaningful with a --scan assembly.\n");
+                               exit(1);
+                       }
+                       if (backup_file) {
+                               fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n");
+                               exit(1);
+                       }
+                       for (; array_list; array_list = array_list->next) {
+                               mdu_array_info_t array;
+                               mdfd = open_mddev(array_list->devname,
+                                                 array_list->autof ? array_list->autof : autof);
+                               if (mdfd < 0) {
+                                       rv |= 1;
+                                       continue;
                                }
-                               if (backup_file) {
-                                       fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n");
-                                       exit(1);
+                               if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0)
+                                       /* already assembled, skip */
+                                       ;
+                               else {
+                                       rv |= Assemble(ss, array_list->devname, mdfd,
+                                                      array_list,
+                                                      devlist, NULL,
+                                                      readonly, runstop, NULL, homehost, verbose-quiet, force);
+                                       if (rv == 0) cnt++;
                                }
-                               for (; array_list; array_list = array_list->next) {
-                                       mdu_array_info_t array;
-                                       mdfd = open_mddev(array_list->devname, 
-                                                         array_list->autof ? array_list->autof : autof);
-                                       if (mdfd < 0) {
-                                               rv |= 1;
-                                               continue;
-                                       }
-                                       if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0)
-                                               /* already assembled, skip */
-                                               ;
-                                       else
-                                               rv |= Assemble(ss, array_list->devname, mdfd,
-                                                              array_list, configfile,
-                                                              NULL, NULL,
-                                                              readonly, runstop, NULL, verbose-quiet, force);
-                                       close(mdfd);
+                               close(mdfd);
+                       }
+                       if (homehost) {
+                               /* Maybe we can auto-assemble something.
+                                * Repeatedly call Assemble in auto-assmble mode
+                                * until it fails
+                                */
+                               int rv2;
+                               int acnt;
+                               ident.autof = autof;
+                               do {
+                                       acnt = 0;
+                                       do {
+                                               rv2 = Assemble(ss, NULL, -1,
+                                                              &ident,
+                                                              devlist, NULL,
+                                                              readonly, runstop, NULL, homehost, verbose-quiet, force);
+                                               if (rv2==0) {
+                                                       cnt++;
+                                                       acnt++;
+                                               }
+                                               if (rv2 == 1)
+                                                       /* found something so even though assembly failed  we
+                                                        * want to avoid auto-updates
+                                                        */
+                                                       auto_update_home = 0;
+                                       } while (rv2!=2);
+                                       /* Incase there are stacked devices, we need to go around again */
+                                       devlist = conf_get_devs();
+                               } while (acnt);
+                               if (cnt == 0 && auto_update_home && homehost) {
+                                       /* Nothing found, maybe we need to bootstrap homehost info */
+                                       do {
+                                               acnt = 0;
+                                               do {
+                                                       rv2 = Assemble(ss, NULL, -1,
+                                                                      &ident,
+                                                                      devlist, NULL,
+                                                                      readonly, runstop, "homehost", homehost, verbose-quiet, force);
+                                                       if (rv2==0) {
+                                                               cnt++;
+                                                               acnt++;
+                                                       }
+                                               } while (rv2!=2);
+                                               /* Incase there are stacked devices, we need to go around again */
+                                               devlist = conf_get_devs();
+                                       } while (acnt);
+                               }
+                               if (cnt == 0 && rv == 0) {
+                                       fprintf(stderr, Name ": No arrays found in config file or automatically\n");
+                                       rv = 1;
                                }
+                       } else if (cnt == 0 && rv == 0) {
+                               fprintf(stderr, Name ": No arrays found in config file\n");
+                               rv = 1;
+                       }
                }
                break;
        case BUILD:
@@ -1049,12 +1119,12 @@ int main(int argc, char *argv[])
                                exit(2);
                        }
                        if (devlist == NULL)
-                               devlist = conf_get_devs(configfile);
+                               devlist = conf_get_devs();
                        if (devlist == NULL) {
                                fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile);
                                exit(1);
                        }
-                       rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, scan, SparcAdjust, ss);
+                       rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, scan, SparcAdjust, ss, homehost);
                } else {
                        if (devlist == NULL) {
                                if (devmode=='D' && scan) {
@@ -1093,9 +1163,9 @@ int main(int argc, char *argv[])
                                                                        e->dev);
                                                                continue;
                                                        }
-                                                       mdfd = open_mddev(name, 0);
+                                                       mdfd = open_mddev(name, 1);
                                                        if (mdfd >= 0) {
-                                                               if (Manage_runstop(name, mdfd, -1, !last))
+                                                               if (Manage_runstop(name, mdfd, -1, quiet?1:last?0:-1))
                                                                        err = 1;
                                                                else
                                                                        progress = 1;
@@ -1122,13 +1192,13 @@ int main(int argc, char *argv[])
                                case 'X':
                                        rv |= ExamineBitmap(dv->devname, brief, ss); continue;
                                }
-                               mdfd = open_mddev(dv->devname, 0);
+                               mdfd = open_mddev(dv->devname, 1);
                                if (mdfd>=0) {
                                        switch(dv->disposition) {
                                        case 'R':
-                                               rv |= Manage_runstop(dv->devname, mdfd, 1, 0); break;
+                                               rv |= Manage_runstop(dv->devname, mdfd, 1, quiet); break;
                                        case 'S':
-                                               rv |= Manage_runstop(dv->devname, mdfd, -1, 0); break;
+                                               rv |= Manage_runstop(dv->devname, mdfd, -1, quiet); break;
                                        case 'o':
                                                rv |= Manage_ro(dv->devname, mdfd, 1); break;
                                        case 'w':
@@ -1153,7 +1223,7 @@ int main(int argc, char *argv[])
                }
                rv= Monitor(devlist, mailaddr, program,
                            delay?delay:60, daemonise, scan, oneshot,
-                           dosyslog, configfile, test, pidfile);
+                           dosyslog, test, pidfile);
                break;
 
        case GROW: