/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" #include #include #include #include #include #include #include #include #include #include #include #include #include #include "meta_set_prv.h" /* * Just in case we're not in a build environment, make sure that * TEXT_DOMAIN gets set to something. */ #if !defined(TEXT_DOMAIN) #define TEXT_DOMAIN "SYS_TEST" #endif #define RAW_PATH 0x001 /* rdsk */ #define BLOCK_PATH 0x002 /* dsk */ #define DSK_TYPE 0x004 /* normal /dev/[r]dsk */ #define TEST_TYPE 0x008 /* test driver path */ #define DID_TYPE 0x010 /* cluster did path */ #define AP_TYPE 0x020 /* should be obsolete */ typedef struct path_list { char *search_path; char *search_type; int path_type; } path_list_t; /* * A table of the supported path types - this should ideally be generated * by reading the /etc/lvm/devpath file */ static path_list_t plist[] = { {"/dev/rdsk", DEVID_MINOR_NAME_ALL_CHR, RAW_PATH|DSK_TYPE}, {"/dev/dsk", DEVID_MINOR_NAME_ALL_BLK, BLOCK_PATH|DSK_TYPE}, {"/dev/did/rdsk", DEVID_MINOR_NAME_ALL_CHR, RAW_PATH|DID_TYPE}, {"/dev/did/dsk", DEVID_MINOR_NAME_ALL_BLK, BLOCK_PATH|DID_TYPE}, {"/dev/td/dsk", DEVID_MINOR_NAME_ALL_BLK, BLOCK_PATH|TEST_TYPE}, {"/dev/td/rdsk", DEVID_MINOR_NAME_ALL_CHR, RAW_PATH|TEST_TYPE}, }; static int num = sizeof (plist)/sizeof (path_list_t); static mddevopts_t dev_options = 0; /* indicate whether to print an error message or not */ static int firsttime = 1; #define DEV_MATCH 0x1 #define NAME_MATCH 0x2 #define DEBUGON 1 #define DEBUGOFF 2 /* * Debug function: to turn on devadm function debugging include DEVADM * in the MD_DEBUG enviroment variable: MD_DEBUG=...,DEVADM... */ /*PRINTFLIKE1*/ static void mda_debug(char *format, ...) { char *p; static int debug_set = 0; va_list ap; if (debug_set == 0) { if (((p = getenv("MD_DEBUG")) != NULL) && (strstr(p, "DEVADM") != NULL)) debug_set = DEBUGON; else debug_set = DEBUGOFF; } if (debug_set == DEBUGON) { va_start(ap, format); (void) vfprintf(stderr, format, ap); va_end(ap); } } /* print error messages to the terminal or syslog */ /*PRINTFLIKE1*/ static void mda_print(char *message, ...) { va_list ap; va_start(ap, message); if (dev_options & DEV_LOG) { /* * The program is a daemon in the sense that it * is a system utility. */ (void) vsyslog((LOG_ERR | LOG_DAEMON), message, ap); } else { (void) vfprintf(stderr, message, ap); } va_end(ap); } /* * Utility to find the correct options to use for the devid search * based upon the path of the device. * * RETURN: * -1 Error, the path passed in is not in the table * >= 0 The element number for the options within the table */ static int mda_findpath(char *path) { int i = 0; for (i = 0; i < num; i++) { if (strncmp(plist[i].search_path, path, strlen(plist[i].search_path)) == 0) return (i); } return (-1); } /* * Utility to get the path of a device */ static char * mda_getpath(char *devname) { char *ptr; char *pathname; size_t len; if ((ptr = strrchr(devname, '/')) == NULL) { mda_debug("Invalid format: %s\n", devname); return (NULL); } ptr++; len = strlen(devname) - strlen(ptr); pathname = Malloc(len + 1); (void) strncpy(pathname, devname, len); pathname[len] = '\0'; return (pathname); } /* * update_locator_namespace -- Contains the ioctl call that will update * the ctds and pathname (ie. /dev/dsk etc) within the * locator block namespace. * * RETURN * METADEVADM_ERR ioctl failed and ep is updated with the error * METADEVADM_SUCCESS success */ static int update_locator_namespace( set_t setno, side_t sideno, char *devname, md_dev64_t dev, char *pname, md_error_t *ep ) { mdnm_params_t nm; (void) memset(&nm, '\0', sizeof (nm)); nm.mde = mdnullerror; nm.setno = setno; nm.side = sideno; nm.devname = (uintptr_t)devname; nm.devname_len = strlen(devname); nm.devt = dev; nm.pathname = (uintptr_t)pname; nm.pathname_len = strlen(pname); if (metaioctl(MD_IOCUPD_LOCNM, &nm, &nm.mde, NULL) != 0) { (void) mdstealerror(ep, &nm.mde); return (METADEVADM_ERR); } return (METADEVADM_SUCCESS); } /* * update_namespace -- Contains the ioctl call that will update the * device name and pathname in the namespace area. * * RETURN * METADEVADM_ERR ioctl failed and ep is updated with the error * METADEVADM_SUCCESS success */ static int update_namespace( set_t setno, side_t sideno, char *devname, md_dev64_t dev, mdkey_t key, char *pname, md_error_t *ep ) { mdnm_params_t nm; (void) memset(&nm, '\0', sizeof (nm)); nm.mde = mdnullerror; nm.setno = setno; nm.side = sideno; nm.devname = (uintptr_t)devname; nm.devname_len = strlen(devname); nm.mnum = meta_getminor(dev); nm.key = key; nm.pathname = (uintptr_t)pname; nm.pathname_len = strlen(pname); if (metaioctl(MD_IOCUPD_NM, &nm, &nm.mde, NULL) != 0) { (void) mdstealerror(ep, &nm.mde); return (METADEVADM_ERR); } return (METADEVADM_SUCCESS); } /* * stripS - Strip s off the end of the ctds name if it exists */ static void stripS(char *name) { char *p; /* gobble number and 's' */ p = name + strlen(name) - 1; for (; (p > name); --p) { if (!isdigit(*p)) break; } if (*p == 's') { *p = '\0'; } } /* * getdiskname -- to be used when scanning the input from the -u arg. * This routine will strip off input that is anything but cxtxdx. * ie. it will call stripS to get rid of slice info. Will also * strip off /dev/dsk, /dev/rdsk, /dev/ap/dsk, /dev/ap/rdsk, * /dev/did/dsk, or /dev/did/rdsk. The caller will need to free * the return value. * * RETURN * string that has the disk name in it ie. c0t0d0 */ static char * getdiskname( char *name ) { char *p; char *diskname; /* regular device */ if ((strncmp(name, "/dev/dsk/", strlen("/dev/dsk/")) == 0) && (strchr((p = name + strlen("/dev/dsk/")), '/') == NULL)) { diskname = Strdup(p); stripS(diskname); return (diskname); } if ((strncmp(name, "/dev/rdsk/", strlen("/dev/rdsk/")) == 0) && (strchr((p = name + strlen("/dev/rdsk/")), '/') == NULL)) { diskname = Strdup(p); stripS(diskname); return (diskname); } if ((strncmp(name, "/dev/ap/dsk/", strlen("/dev/ap/dsk/")) == 0) && (strchr((p = name + strlen("/dev/ap/dsk/")), '/') == NULL)) { diskname = Strdup(p); stripS(diskname); return (diskname); } if ((strncmp(name, "/dev/ap/rdsk/", strlen("/dev/ap/rdsk/")) == 0) && (strchr((p = name + strlen("/dev/ap/rdsk/")), '/') == NULL)) { diskname = Strdup(p); stripS(diskname); return (diskname); } if ((strncmp(name, "/dev/did/dsk/", strlen("/dev/did/dsk/")) == 0) && (strchr((p = name + strlen("/dev/did/dsk/")), '/') == NULL)) { diskname = Strdup(p); stripS(diskname); return (diskname); } if ((strncmp(name, "/dev/did/rdsk/", strlen("/dev/did/rdsk/")) == 0) && (strchr((p = name + strlen("/dev/did/rdsk/")), '/') == NULL)) { diskname = Strdup(p); stripS(diskname); return (diskname); } diskname = Strdup(name); stripS(diskname); return (diskname); } /* * has_devid -- return the device ID for a given key * * RETURN * NULL error * devid devid found that corresponds to the given key. */ static ddi_devid_t has_devid(set_t setno, side_t sideno, mdkey_t key, md_error_t *ep) { return (meta_getdidbykey(setno, sideno, key, ep)); } /* * Go through the existing list of replicas and check to see * if their disk has moved, if so update the replica list * * RETURN * -1 error * 0 success */ static int fix_replicanames( mdsetname_t *sp, md_error_t *ep ) { md_replicalist_t *rlp = NULL; md_replicalist_t *rl; int ret = -1; int match_type = 0; devid_nmlist_t *disklist = NULL; dev_t small_dev = (dev_t)NODEV; side_t sideno; set_t setno = sp->setno; char *search_path; int search_number; char *ctds_name; char *path_name; int i; sideno = getmyside(sp, ep); if (sideno == MD_SIDEWILD) { mda_debug("Failed to find the side number\n"); return (-1); } if (metareplicalist(sp, MD_BASICNAME_OK | PRINT_FAST, &rlp, ep) < 0) { mda_debug("Unable to get a list of replicas\n"); return (METADEVADM_ERR); } for (rl = rlp; (rl != NULL); rl = rl->rl_next) { md_replica_t *r = rl->rl_repp; small_dev = meta_cmpldev(r->r_namep->dev); search_number = mda_findpath(r->r_namep->bname); if (search_number == -1) { mda_debug("replica update: invalid path: %s", r->r_namep->bname); continue; } else { search_path = plist[search_number].search_path; } if (r->r_devid == NULL) continue; ret = meta_deviceid_to_nmlist(search_path, r->r_devid, r->r_minor_name, &disklist); mda_debug("replica update: search_path %s\n", search_path); if (ret != 0) { /* * Failed to find the disk, nothing can be done. * The replica will be marked as bad later. */ mda_debug("replica update: failed to find disk %s\n", r->r_namep->cname); continue; } mda_debug("replica update: current %s (%p)\n", r->r_namep->bname, (void *) small_dev); /* * Check to see if the returned disk matches the stored one */ for (i = 0; disklist[i].dev != NODEV; i++) { match_type = 0; mda_debug("replica update: devid list: %s (%p)\n", disklist[i].devname, (void *) disklist[i].dev); if (disklist[i].dev == small_dev) { match_type |= DEV_MATCH; } if (strncmp(r->r_namep->bname, disklist[i].devname, strlen(r->r_namep->bname)) == 0) { match_type |= NAME_MATCH; } /* * break out if some sort of match is found because * we already match on the devid. */ if (match_type != 0) break; } mda_debug("fix_replicanames: match: %x i: %d\n", match_type, i); if (match_type == (DEV_MATCH|NAME_MATCH)) { /* no change */ mda_debug("replica update: no change %s\n", disklist[i].devname); devid_free_nmlist(disklist); continue; } /* No match found - use the first entry in disklist */ if (disklist[i].dev == NODEV) i = 0; mda_debug("replica update: reloading %s %p\n", disklist[i].devname, (void *)(uintptr_t)meta_expldev(disklist[i].dev)); if (firsttime) { mda_print(dgettext(TEXT_DOMAIN, "Disk movement detected\n")); mda_print(dgettext(TEXT_DOMAIN, "Updating device names in Solaris Volume " "Manager\n")); firsttime = 0; } if (dev_options & DEV_VERBOSE) { char *devidstr; devidstr = devid_str_encode(r->r_devid, r->r_minor_name); if (devidstr == NULL) { mda_print(dgettext(TEXT_DOMAIN, "Failed to encode the devid\n")); continue; } mda_print(dgettext(TEXT_DOMAIN, "%s changed to %s from device relocation " "information %s\n"), (char *)r->r_namep->cname, disklist[i].devname, devidstr); } if (!(dev_options & DEV_NOACTION)) { mda_debug("Updating locator name\n"); ctds_name = strrchr(disklist[i].devname, '/'); ctds_name++; if ((path_name = mda_getpath(disklist[i].devname)) == NULL) { continue; } if (update_locator_namespace(setno, sideno, ctds_name, meta_expldev(disklist[i].dev), path_name, ep) != 0) { mda_debug("replica update: ioctl failed\n"); if (dev_options & DEV_VERBOSE) { mda_print(dgettext(TEXT_DOMAIN, "Failed to update locator " "namespace on change from %s " "to %s\n"), ctds_name, disklist[i].devname); } } } Free(path_name); devid_free_nmlist(disklist); } metafreereplicalist(rlp); return (0); } /* * pathname_reload - main function for the -r option. Will reload the * pathname in both the main namespace and the locator namespace. * Also, checks both areas for invalid device ID's and prints them * out. * * If the set is a multi-node diskset that means there are no devid's * so just return. * * RETURN * METADEVADM_ERR error * METADEVADM_SUCCESS success * METADEVADM_DEVIDINVALID success, but invalid devids detected */ int pathname_reload( mdsetname_t **spp, set_t setno, md_error_t *ep) { char *drvnmp; minor_t mnum = 0; md_dev64_t dev = 0; mdnm_params_t nm; char *ctds_name; ddi_devid_t devidp; md_i_didstat_t ds; side_t sideno; char *search_path = NULL; int search_number; devid_nmlist_t *disklist = NULL; char *minor_name = NULL; char *devidstr = NULL; char *path = NULL; int ret; dev_t small_dev = (dev_t)NODEV; int match_type; char *tmp = NULL; mdsetname_t *sp = *spp; md_set_desc *sd; int i; /* * Check for multi-node diskset and return if it is one. */ if (!metaislocalset(sp)) { if ((sd = metaget_setdesc(sp, ep)) == NULL) return (METADEVADM_ERR); if (MD_MNSET_DESC(sd)) return (METADEVADM_SUCCESS); } /* * Get the entry of the namespace via the key. To do this * call MD_IOCNXTKEY until no more. * For each entry in the namespace we want to check * for devid and update */ (void) memset(&nm, '\0', sizeof (nm)); nm.key = MD_KEYWILD; sideno = getmyside(*spp, ep); if (sideno == MD_SIDEWILD) { /* failed to find this node in the set */ mda_debug("Failed to find the side number\n"); return (METADEVADM_ERR); } /* LINTED */ while (1) { nm.mde = mdnullerror; nm.setno = setno; nm.side = sideno; /* look at each key in the namespace */ if (metaioctl(MD_IOCNXTKEY_NM, &nm, &nm.mde, NULL) != 0) { (void) mdstealerror(ep, &nm.mde); return (METADEVADM_ERR); } if (nm.key == MD_KEYWILD) { /* no more entries */ break; } /* * get the nm entry using the key. Then check to see if * there's a devid associated with this entry * If not, go onto next key. */ if ((nm.devname = (uintptr_t)meta_getnmentbykey(setno, sideno, nm.key, &drvnmp, &mnum, &dev, ep)) == NULL) { mda_debug("pathname_reload: no name for key: %d\n", nm.key); continue; } mda_debug("pathname_reload: examining %s\n", (char *)(uintptr_t)nm.devname); if ((devidp = has_devid(setno, sideno, nm.key, ep)) == NULL) { /* metadevices do not have devid's in them */ mda_debug("pathname_reload: no devid for %s\n", (char *)(uintptr_t)nm.devname); continue; } if ((minor_name = meta_getdidminorbykey(setno, sideno, nm.key, ep)) == NULL) { /* * In theory this is impossible because if the * devidp is non-null then the minor_name has * already been looked up. */ mda_debug("No minor name for %s\n", (char *)(uintptr_t)nm.devname); free(devidp); continue; } /* * If there is a devid then we have a real device that * could have moved. */ devidstr = devid_str_encode(devidp, minor_name); if (devidstr == NULL) { mda_debug("Failed to encode the devid\n"); free(devidp); continue; } mda_debug("devid: %s\n", devidstr); /* * Find the search path that should be used. This is an * optimization to try and prevent a search for the complete * /dev namespace. */ search_number = mda_findpath((char *)(uintptr_t)nm.devname); if (search_number == -1) { search_path = "/dev"; } else { search_path = plist[search_number].search_path; } /* now look for the disk name using the devid */ ret = meta_deviceid_to_nmlist(search_path, devidp, minor_name, &disklist); free(devidp); if (ret != 0) { /* * Failed to find the disk */ devid_str_free(devidstr); continue; } small_dev = meta_cmpldev(dev); mda_debug("Old device lookup: %s (%p)\n", (char *)(uintptr_t)nm.devname, (void *)small_dev); /* * Check to see if the returned disk matches the stored one */ for (i = 0; disklist[i].dev != NODEV; i++) { match_type = 0; mda_debug("From devid lookup: %s (%p)\n", (char *)disklist[i].devname, (void *)disklist[i].dev); if (disklist[i].dev == small_dev) { match_type |= DEV_MATCH; } if (strncmp((char *)(uintptr_t)nm.devname, disklist[i].devname, strlen((char *)(uintptr_t)nm.devname)) == 0) { mda_debug("Name match: %s and %s (%d)\n", disklist[i].devname, (char *)(uintptr_t)nm.devname, strlen((char *)(uintptr_t)nm.devname)); match_type |= NAME_MATCH; } if (match_type == (DEV_MATCH|NAME_MATCH)) break; } if (match_type == (DEV_MATCH|NAME_MATCH)) { /* no change */ devid_str_free(devidstr); mda_debug("All matched %s\n", disklist[i].devname); devid_free_nmlist(disklist); continue; } /* No match found - use the first entry in disklist */ i = 0; if (firsttime) { mda_print(dgettext(TEXT_DOMAIN, "Disk movement detected\n")); mda_print(dgettext(TEXT_DOMAIN, "Updating device names in " "Solaris Volume Manager\n")); firsttime = 0; } if (dev_options & DEV_VERBOSE) { mda_print(dgettext(TEXT_DOMAIN, "%s changed to %s from device relocation " "information %s\n"), (char *)(uintptr_t)nm.devname, disklist[i].devname, devidstr); } devid_str_free(devidstr); /* need to build up the path of the disk */ if ((path = Strdup(disklist[i].devname)) == NULL) { mda_debug("Failed to duplicate path: %s\n", disklist[i].devname); devid_free_nmlist(disklist); continue; } if ((tmp = strrchr(path, '/')) == NULL) { mda_debug("Failed to parse %s\n", path); devid_free_nmlist(disklist); Free(path); continue; } tmp += sizeof (char); *tmp = '\0'; if ((ctds_name = strrchr(disklist[i].devname, '/')) == NULL) { mda_debug("Failed to parse ctds name: %s\n", disklist[i].devname); devid_free_nmlist(disklist); Free(path); continue; } ctds_name += sizeof (char); mda_debug("Reloading disk %s %s %p\n", ctds_name, path, (void *)(uintptr_t)meta_expldev(disklist[i].dev)); if (!(dev_options & DEV_NOACTION)) { /* Something has changed so update the namespace */ if (update_namespace(setno, sideno, ctds_name, meta_expldev(disklist[i].dev), nm.key, path, ep) != 0) { mda_debug("Failed to update namespace\n"); if (dev_options & DEV_VERBOSE) { mda_print(dgettext(TEXT_DOMAIN, "Failed to update namespace on " "change from %s to %s\n"), ctds_name, disklist[i].devname); } } } devid_free_nmlist(disklist); Free(path); } if (fix_replicanames(*spp, ep) == -1) mda_debug("Failed to update replicas\n"); /* * check for invalid device id's */ (void) memset(&ds, '\0', sizeof (ds)); ds.setno = setno; ds.side = sideno; ds.mode = MD_FIND_INVDID; /* get count of number of invalid device id's */ if (metaioctl(MD_IOCDID_STAT, &ds, &ds.mde, NULL) != 0) { (void) mdstealerror(ep, &ds.mde); return (METADEVADM_ERR); } if (ds.cnt != 0) { char *ctdptr, *ctdp; /* * we have some invalid device id's so we need to * print them out */ ds.mode = MD_GET_INVDID; /* malloc buffer for kernel to place devid list into */ if ((ctdptr = (char *)Malloc((ds.cnt * ds.maxsz) + 1)) == 0) { return (METADEVADM_ERR); } ds.ctdp = (uintptr_t)ctdptr; /* get actual list of invalid device id's */ if (metaioctl(MD_IOCDID_STAT, &ds, &ds.mde, NULL) != 0) { Free(ctdptr); (void) mdstealerror(ep, &ds.mde); return (METADEVADM_ERR); } /* print out the invalid devid's */ mda_print(dgettext(TEXT_DOMAIN, "Invalid device relocation information " "detected in Solaris Volume Manager\n")); mda_print(dgettext(TEXT_DOMAIN, "Please check the status of the following disk(s):\n")); ctdp = (char *)(uintptr_t)ds.ctdp; while (*ctdp != NULL) { mda_print("\t%s\n", ctdp); ctdp += ds.maxsz; } Free(ctdptr); return (METADEVADM_DEVIDINVALID); } return (METADEVADM_SUCCESS); } /* * replica_update_devid - cycle through the replica list, rlp, and * update the device ids on all of the replicas that are on the * device specified by lp. A side effect is to update the value of * cdevidpp to contain the character representation of the device * id before updating if it is not already set. * * RETURN * METADEVADM_ERR error * METADEVADM_SUCCESS success */ static int replica_update_devid( md_replicalist_t *rlp, mddrivename_t *dnp, set_t setno, char **cdevidpp, md_error_t *ep ) { mddb_config_t db_c; md_replicalist_t *rl; ddi_devid_t devidp; int ret; if (cdevidpp == NULL) return (METADEVADM_ERR); ret = devid_str_decode(dnp->devid, &devidp, NULL); if (ret != 0) { /* failed to encode the devid */ mda_debug("Failed to decode %s into a valid devid\n", dnp->devid); return (METADEVADM_ERR); } /* search replica list for give ctd name */ for (rl = rlp; (rl != NULL); rl = rl->rl_next) { md_replica_t *r = rl->rl_repp; mdname_t *rnp = r->r_namep; if (strncmp(rnp->cname, dnp->cname, strlen(dnp->cname)) == 0) { /* found the replica, now grab the devid */ if (*cdevidpp == NULL) { *cdevidpp = devid_str_encode(r->r_devid, NULL); } if (*cdevidpp == NULL) { devid_free(devidp); return (METADEVADM_ERR); } mda_debug("Updating replica %s, set %d, old devid %s\n", rnp->cname, setno, *cdevidpp); if (dev_options & DEV_VERBOSE) { mda_print(dgettext(TEXT_DOMAIN, "Updating replica %s of set number %d from " "device id %s to device id %s\n"), rnp->cname, setno, *cdevidpp, dnp->devid); } (void) memset(&db_c, '\0', sizeof (db_c)); db_c.c_setno = setno; db_c.c_devt = rnp->dev; if (!(dev_options & DEV_NOACTION)) { mda_debug("Updating replica\n"); /* * call into kernel to update lb * namespace device id * of given devt */ if (metaioctl(MD_DB_SETDID, &db_c, &db_c.c_mde, NULL) != 0) { devid_free(devidp); (void) mdstealerror(ep, &db_c.c_mde); return (METADEVADM_ERR); } } } } devid_free(devidp); return (METADEVADM_SUCCESS); } /* * devid_update -- main routine for the -u option. Will update both the * namespace and the locator block with the correct devid for the * disk specified. * * RETURN * METADEVADM_ERR error * METADEVADM_SUCCESS success */ static int devid_update( mdsetname_t **spp, set_t setno, char *ctd, md_error_t *ep ) { md_drive_desc *dd, *ddp; mddrivename_t *dnp; mdnm_params_t nm; ddi_devid_t devidp; side_t side; char *old_cdevidp = NULL; md_replicalist_t *rlp = NULL; int rval = METADEVADM_ERR; mdname_t *np = NULL; uint_t rep_slice; char *pathname = NULL; char *diskname = NULL; int fd = -1; int len; char *fp; side = getmyside(*spp, ep); if (side == MD_SIDEWILD) { /* failed to find this node in the set */ mda_debug("Failed to find the side number\n"); return (METADEVADM_ERR); } if ((dnp = metadrivename(spp, ctd, ep)) == NULL) { mda_debug("Failed to create a dnp for %s\n", ctd); return (METADEVADM_ERR); } if (dnp->devid == NULL) { /* * Disk does not have a devid! So cannot update the * devid within the replica. */ mda_debug("%s does not have a devid\n", dnp->cname); if (dev_options & DEV_VERBOSE) { mda_print(dgettext(TEXT_DOMAIN, "%s does not have a device id. Cannot update " "device id if none exists\n"), ctd); } return (METADEVADM_ERR); } mda_debug("Devid update to: %s\n", dnp->devid); /* * Check if we own the set, if we do then do some processing * on the replicas. */ if (meta_check_ownership(*spp, ep) == 0) { /* get the replicas */ if (metareplicalist(*spp, MD_BASICNAME_OK | PRINT_FAST, &rlp, ep) < 0) return (METADEVADM_ERR); /* update the devids in the replicas if necessary */ if (replica_update_devid(rlp, dnp, setno, &old_cdevidp, ep) != METADEVADM_SUCCESS) { metafreereplicalist(rlp); return (METADEVADM_ERR); } metafreereplicalist(rlp); } /* * If this is not the LOCAL set then need to update the LOCAL * replica with the new disk record. */ if (setno != MD_LOCAL_SET) { mda_debug("Non-local set: %d side %d\n", setno, side); /* * Need to find the disk record within the set and then * update it. */ if ((dd = metaget_drivedesc(*spp, MD_FULLNAME_ONLY, ep)) == NULL) { if (! mdisok(ep)) goto out; /* no disks in the set - no point continuing */ mda_debug("No disks in diskset\n"); rval = METADEVADM_SUCCESS; goto out; } for (ddp = dd; ddp != NULL; ddp = ddp->dd_next) { if (strncmp(ddp->dd_dnp->cname, dnp->cname, strlen(dnp->cname)) == 0) break; } if (ddp == NULL) { /* failed to finddisk in the set */ mda_print(dgettext(TEXT_DOMAIN, "%s not found in set %s. Check your syntax\n"), ctd, (*spp)->setname); (void) mddserror(ep, MDE_DS_DRIVENOTINSET, setno, NULL, ctd, (*spp)->setname); goto out; } /* * Now figure out the correct slice, for a diskset the slice * we care about is always the 'replica' slice. */ if (meta_replicaslice(dnp, &rep_slice, ep) != 0) { mda_debug("Unable to find replica slice for %s\n", dnp->cname); goto out; } mda_debug("slice no: %d disk %s\n", rep_slice, dnp->cname); if ((np = metaslicename(dnp, rep_slice, ep)) == NULL) { mda_debug("Unable to build namespace\n"); goto out; } mda_debug("check: ctdname: %s\n", np->cname); mda_debug("check: ctdname: %s\n", np->rname); mda_debug("check: ctdname: %s\n", np->bname); if (!(dev_options & DEV_NOACTION)) { mda_debug("Updating record: key %d name %s\n", ddp->dd_dnp->side_names_key, np->cname); pathname = mda_getpath(np->bname); if (update_namespace(MD_LOCAL_SET, side + SKEW, np->cname, np->dev, ddp->dd_dnp->side_names_key, pathname, ep) != 0) { goto out; } /* * Now update the devid entry as well, this works * correctly because the prior call to * update_namespace() above puts the correct dev_t * in the namespace which will then be resolved * to the new devid by the ioctl now called. */ nm.mde = mdnullerror; nm.setno = MD_LOCAL_SET; nm.side = side + SKEW; nm.key = ddp->dd_dnp->side_names_key; if (metaioctl(MD_SETNMDID, &nm, &nm.mde, NULL) != 0) { (void) mdstealerror(ep, &nm.mde); goto out; } } } if ((dev_options & DEV_LOCAL_SET) && (setno != MD_LOCAL_SET)) { /* * Only want to update the local set so do not continue. */ rval = METADEVADM_SUCCESS; goto out; } /* * Iterate through all of the metadevices looking for the * passed in ctd. If found then update the devid */ (void) memset(&nm, '\0', sizeof (nm)); nm.key = MD_KEYWILD; /* LINTED */ while (1) { nm.mde = mdnullerror; nm.setno = setno; nm.side = side; /* search each namespace entry */ if (metaioctl(MD_IOCNXTKEY_NM, &nm, &nm.mde, NULL) != 0) { (void) mdstealerror(ep, &nm.mde); rval = METADEVADM_ERR; goto out; } if (nm.key == MD_KEYWILD) { if (setno != MD_LOCAL_SET) { mda_print(dgettext(TEXT_DOMAIN, "%s not found in set %s. Check your " "syntax\n"), ctd, (*spp)->setname); goto out; } else { mda_print(dgettext(TEXT_DOMAIN, "%s not found in local set. " "Check your syntax\n"), ctd); goto out; } } nm.devname = (uintptr_t)meta_getnmentbykey(setno, side, nm.key, NULL, NULL, NULL, ep); if (nm.devname == NULL) { rval = METADEVADM_ERR; goto out; } diskname = getdiskname((char *)(uintptr_t)nm.devname); mda_debug("Checking %s with %s\n", diskname, dnp->cname); if (strcmp(diskname, dnp->cname) != 0) continue; mda_debug("Updating device %s in namespace\n", (char *)(uintptr_t)nm.devname); /* * found disk, does it have a devid within the namespace ? * It might not because it does not support devid's or was * put into the namespace when there was no devid support */ if ((devidp = has_devid(setno, side, nm.key, ep)) == NULL) { mda_debug("%s has no devid in the namespace", (char *)(uintptr_t)nm.devname); if (dev_options & DEV_VERBOSE) { mda_print(dgettext(TEXT_DOMAIN, "SVM has no device id for " "%s, cannot update.\n"), (char *)(uintptr_t)nm.devname); } continue; /* no devid. go on to next */ } if (old_cdevidp == NULL) { old_cdevidp = devid_str_encode(devidp, NULL); } free(devidp); /* * has devid so update namespace, note the key has been set * by the prior MD_IOCNXTKEY_NM ioctl. */ nm.mde = mdnullerror; nm.setno = setno; nm.side = side; if (!(dev_options & DEV_NOACTION)) { /* * The call below may fail if the -u option is being * used to update a disk that has been replaced. * The -u option to metadevadm should not be used * for this purpose because we trust the dev_t of * the device in the replica and if we have replaced * the device and it is a fibre one then the dev_t * will have changed. This means we end up looking for * the devid of a non-existant disk and we subsequently * fail with NODEVID. */ if (metaioctl(MD_SETNMDID, &nm, &nm.mde, NULL) != 0) { if (dev_options & DEV_VERBOSE) { mda_print(dgettext(TEXT_DOMAIN, "SVM failed to update the device " "id for %s probably due to both " "devt and device id changing.\n"), (char *)(uintptr_t)nm.devname); } (void) mdstealerror(ep, &nm.mde); mde_perror(ep, ""); rval = METADEVADM_ERR; goto out; } } if (old_cdevidp == NULL) { rval = METADEVADM_ERR; goto out; } break; } /* end while */ mda_print(dgettext(TEXT_DOMAIN, "Updating Solaris Volume Manager device relocation " "information for %s\n"), ctd); mda_print(dgettext(TEXT_DOMAIN, "Old device reloc information:\n\t%s\n"), old_cdevidp); len = strlen(dnp->rname) + strlen("s0"); if ((fp = (char *)Malloc(len + 1)) == NULL) { mda_print(dgettext(TEXT_DOMAIN, "insufficient memory, device Reloc info not " "available\n")); } else { (void) snprintf(fp, len + 1, "%ss0", dnp->rname); if ((fd = open(fp, O_RDONLY|O_NDELAY)) < 0) { mda_print(dgettext(TEXT_DOMAIN, "Open of %s failed\n"), fp); } else { int rc = -1; ddi_devid_t devid1 = NULL; char *cdevidp; rc = devid_get(fd, &devid1); if (close(fd) < 0) { mda_print(dgettext(TEXT_DOMAIN, "Close of %s failed\n"), fp); } if (rc != 0) { mda_print(dgettext(TEXT_DOMAIN, "Unable to obtain device " "Reloc info for %s\n"), fp); } else { cdevidp = devid_str_encode(devid1, NULL); if (cdevidp == NULL) { mda_print(dgettext(TEXT_DOMAIN, "Unable to print " "device Reloc info for %s\n"), fp); } else { mda_print(dgettext(TEXT_DOMAIN, "New device reloc " "information:\n\t%s\n"), cdevidp); devid_str_free(cdevidp); } devid_free(devid1); } } Free(fp); } rval = METADEVADM_SUCCESS; out: if (diskname) Free(diskname); if (pathname) Free(pathname); if (old_cdevidp) { devid_str_free(old_cdevidp); } return (rval); } /* * Check the ctd name of the disk to see if the disk has moved. If it * has moved then the newname is returned in 'newname', it is up to * the caller to free the memory associated with it. * * RETURN * METADEVADM_ERR error * METADEVADM_SUCCESS success * METADEVADM_DISKMOVE success, and the disk has moved * METADEVADM_DSKNAME_ERR error creating the disk name structures. */ int meta_upd_ctdnames( mdsetname_t **spp, set_t setno, side_t sideno, mddrivename_t *dnp, char **newname, md_error_t *ep ) { char *drvnmp; int i; minor_t mnum = 0; md_dev64_t dev = 0; dev_t small_dev = (dev_t)NODEV; mdnm_params_t nm; char *pathname; char *minor_name = NULL; ddi_devid_t devidp; devid_nmlist_t *disklist = NULL; int ret = 0; mdsidenames_t *snp; int match_type; int search_number = -1; char *search_type = NULL; char *search_path = NULL; uint_t rep_slice; mddrivename_t *newdnp; mdname_t *np; mdsetname_t *sp = *spp; md_set_desc *sd; /* * setno should always be 0 but we're going to * check for multi-node diskset and return if it is one. */ if (!metaislocalset(sp)) { if ((sd = metaget_setdesc(sp, ep)) == NULL) return (METADEVADM_ERR); if (MD_MNSET_DESC(sd)) return (METADEVADM_SUCCESS); } if (dnp->devid == NULL) { /* no devid, nothing can be done */ mda_debug("meta_upd_ctdnames: %s has no devid\n", dnp->cname); if (dev_options & DEV_VERBOSE) { mda_print(dgettext(TEXT_DOMAIN, "%s has no devid, cannot detect " "disk movement for this disk.\n"), dnp->cname); } return (ret); } /* * Find the correct side name for the disk. There is a sidename * for each host associated with the diskset. */ for (snp = dnp->side_names; snp != NULL; snp = snp->next) { mda_debug("meta_upd_ctdnames: %s %d args: setno %d sideno %d\n", snp->cname, snp->sideno, setno, sideno); /* only use SKEW for the local replica */ if (setno == 0) { if (snp->sideno + SKEW == sideno) break; } else { if (snp->sideno == sideno) break; } } if (snp == NULL) { /* * Failed to find the side name, this should not * be possible. However if it does happen this is an * indication of an inconsistant replica - something * might have gone wrong during an add or a delete of * a host. */ mda_debug("Unable to find the side information for disk %s", dnp->cname); (void) mddserror(ep, MDE_DS_HOSTNOSIDE, (*spp)->setno, mynode(), NULL, dnp->cname); return (METADEVADM_ERR); } /* * Find the type of device we are to be searching on */ search_number = mda_findpath(snp->cname); if (search_number == -1) { search_path = "/dev"; search_type = DEVID_MINOR_NAME_ALL; } else { search_path = plist[search_number].search_path; search_type = plist[search_number].search_type; } mda_debug("Search path :%s searth_type: %x\n", search_path, (int)search_type); (void) memset(&nm, '\0', sizeof (nm)); nm.mde = mdnullerror; nm.setno = setno; nm.side = sideno; /* * Get the devname from the name space. */ if ((nm.devname = (uintptr_t)meta_getnmentbykey(setno, sideno, dnp->side_names_key, &drvnmp, &mnum, &dev, ep)) == NULL) { return (METADEVADM_ERR); } ret = devid_str_decode(dnp->devid, &devidp, &minor_name); devid_str_free(minor_name); if (ret != 0) { /* * Failed to encode the devid. */ devid_free(devidp); return (METADEVADM_ERR); } /* * Use the stored devid to find the existing device node and check * to see if the disk has moved. Use the raw devices as the name * of the disk is stored as the raw device, if this is not done * then the disk will not be found. */ ret = meta_deviceid_to_nmlist(search_path, devidp, search_type, &disklist); if (ret != 0) { if (dev_options & DEV_VERBOSE) { mda_print(dgettext(TEXT_DOMAIN, "Device ID %s last associated with " "disk %s no longer found in system\n"), dnp->devid, dnp->cname); } devid_free(devidp); devid_free_nmlist(disklist); return (METADEVADM_SUCCESS); } small_dev = meta_cmpldev(dev); mda_debug("Old device lookup: %s (%p)\n", (char *)(uintptr_t)nm.devname, (void *)small_dev); /* * Check to see if the returned disk matches the stored one */ for (i = 0; disklist[i].dev != NODEV; i++) { match_type = 0; mda_debug("From devid lookup: %s (%p)\n", disklist[i].devname, (void *)disklist[i].dev); if (disklist[i].dev == small_dev) { match_type |= DEV_MATCH; } if (strncmp((char *)(uintptr_t)nm.devname, disklist[i].devname, strlen((char *)(uintptr_t)nm.devname)) == 0) { match_type |= NAME_MATCH; } if (match_type != 0) break; } devid_free(devidp); mda_debug("meta_upd_ctdnames: match: %x i: %d\n", match_type, i); if (match_type == (DEV_MATCH|NAME_MATCH)) { /* no change */ devid_free_nmlist(disklist); return (METADEVADM_SUCCESS); } /* No match found - use the first entry in disklist */ if (disklist[i].dev == NODEV) i = 0; if (!(match_type & DEV_MATCH)) { /* did not match on the dev, so dev_t has changed */ mda_debug("Did not match on dev: %p %p\n", (void *) small_dev, (void *) disklist[i].dev); dev = meta_expldev(disklist[i].dev); } if (!(match_type & NAME_MATCH)) { mda_debug("Did not match on name: %s (%p)\n", (char *)(uintptr_t)nm.devname, (void *) disklist[i].dev); } /* * If here, then the name in the disklist is the one we * want in any case so use it. */ mda_debug("devname: %s\n", disklist[i].devname); /* * Need to remove the slice as metadrivename() expects a diskname */ stripS(disklist[i].devname); /* * Build an mddrivename_t to use */ if ((newdnp = metadrivename(spp, disklist[i].devname, ep)) == NULL) { mda_debug("Unable to make a dnp out of %s\n", disklist[i].devname); return (METADEVADM_DSKNAME_ERR); } /* * Need to find the correct slice used for the replica */ if (meta_replicaslice(newdnp, &rep_slice, ep) != 0) { return (METADEVADM_DSKNAME_ERR); } if ((np = metaslicename(newdnp, rep_slice, ep)) == NULL) { mda_debug("Failed to build an np for %s\n", dnp->rname); return (METADEVADM_DSKNAME_ERR); } mda_debug("check: cname: %s\n", np->cname); mda_debug("check: rname: %s\n", np->rname); mda_debug("check: bname: %s\n", np->bname); if (newname != NULL) *newname = Strdup(np->bname); if (!(dev_options & DEV_NOACTION)) { mda_debug("update namespace\n"); /* get the block path */ pathname = mda_getpath(np->bname); if (update_namespace(setno, sideno, np->cname, dev, dnp->side_names_key, pathname, ep) != 0) { /* finished with the list so return the memory */ Free(pathname); devid_free_nmlist(disklist); return (METADEVADM_ERR); } } /* finished with the list so return the memory */ Free(pathname); devid_free_nmlist(disklist); ret = METADEVADM_DISKMOVE; return (ret); } int meta_fixdevid( mdsetname_t *sp, mddevopts_t options, char *diskname, md_error_t *ep ) { set_t setno = sp->setno; int ret = 0; char *pathname = NULL; mdsetname_t *local_sp = NULL; md_drive_desc *d = NULL; char *newname = NULL; md_drive_desc *dd; side_t sideno; md_set_desc *sd; /* if MN diskset just return */ if (!metaislocalset(sp)) { if ((sd = metaget_setdesc(sp, ep)) == NULL) { return (METADEVADM_ERR); } if (MD_MNSET_DESC(sd)) return (METADEVADM_SUCCESS); } dev_options |= options; mda_debug("dev_options: %x\n", dev_options); if (dev_options & DEV_RELOAD) { /* * If it's not the local set we need to check the local * namespace to see if disks have moved as it contains * entries for the disks in the set. */ if (setno != MD_LOCAL_SET) { if ((dd = metaget_drivedesc(sp, MD_BASICNAME_OK | PRINT_FAST, ep)) == NULL) { mde_perror(ep, ""); mdclrerror(ep); return (METADEVADM_ERR); } local_sp = metasetname(MD_LOCAL_NAME, ep); sideno = getmyside(sp, ep) + SKEW; for (d = dd; d != NULL; d = d->dd_next) { /* * Actually do the check of the disks. */ ret = meta_upd_ctdnames(&local_sp, 0, sideno, d->dd_dnp, &newname, ep); if ((ret == METADEVADM_ERR) || (ret == METADEVADM_DSKNAME_ERR)) { /* check failed in unknown manner */ mda_debug("meta_upd_ctdnames failed\n"); return (METADEVADM_ERR); } } } /* do a reload of the devid namespace */ ret = pathname_reload(&sp, setno, ep); } else if (dev_options & DEV_UPDATE) { pathname = getdiskname(diskname); ret = devid_update(&sp, setno, pathname, ep); free(pathname); } return (ret); }