Illumos #1748: desire support for reguid in zfs
[zfs.git] / cmd / zpool / zpool_main.c
index 1e9b3b6..3679b4e 100644 (file)
@@ -21,6 +21,9 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2011 by Delphix. All rights reserved.
+ * Copyright (c) 2012 by Frederik Wessels. All rights reserved.
  */
 
 #include <assert.h>
@@ -66,6 +69,8 @@ static int zpool_do_online(int, char **);
 static int zpool_do_offline(int, char **);
 static int zpool_do_clear(int, char **);
 
+static int zpool_do_reguid(int, char **);
+
 static int zpool_do_attach(int, char **);
 static int zpool_do_detach(int, char **);
 static int zpool_do_replace(int, char **);
@@ -125,7 +130,8 @@ typedef enum {
        HELP_EVENTS,
        HELP_GET,
        HELP_SET,
-       HELP_SPLIT
+       HELP_SPLIT,
+       HELP_REGUID
 } zpool_help_t;
 
 
@@ -169,6 +175,7 @@ static zpool_command_t command_table[] = {
        { "import",     zpool_do_import,        HELP_IMPORT             },
        { "export",     zpool_do_export,        HELP_EXPORT             },
        { "upgrade",    zpool_do_upgrade,       HELP_UPGRADE            },
+       { "reguid",     zpool_do_reguid,        HELP_REGUID             },
        { NULL },
        { "history",    zpool_do_history,       HELP_HISTORY            },
        { "events",     zpool_do_events,        HELP_EVENTS             },
@@ -251,6 +258,8 @@ get_usage(zpool_help_t idx) {
                return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n"
                    "\t    [-o property=value] <pool> <newpool> "
                    "[<device> ...]\n"));
+       case HELP_REGUID:
+               return (gettext("\treguid <pool>\n"));
        }
 
        abort();
@@ -488,7 +497,7 @@ zpool_do_add(int argc, char **argv)
        }
 
        /* pass off to get_vdev_spec for processing */
-       nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun,
+       nvroot = make_root_vdev(zhp, NULL, force, !force, B_FALSE, dryrun,
            argc, argv);
        if (nvroot == NULL) {
                zpool_close(zhp);
@@ -688,7 +697,7 @@ zpool_do_create(int argc, char **argv)
        }
 
        /* pass off to get_vdev_spec for bulk processing */
-       nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun,
+       nvroot = make_root_vdev(NULL, props, force, !force, B_FALSE, dryrun,
            argc - 1, argv + 1);
        if (nvroot == NULL)
                goto errout;
@@ -716,9 +725,7 @@ zpool_do_create(int argc, char **argv)
            (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 &&
            strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) {
                char buf[MAXPATHLEN];
-#ifdef HAVE_ZPL
                DIR *dirp;
-#endif
 
                if (mountpoint && mountpoint[0] != '/') {
                        (void) fprintf(stderr, gettext("invalid mountpoint "
@@ -743,7 +750,6 @@ zpool_do_create(int argc, char **argv)
                                    mountpoint);
                }
 
-#ifdef HAVE_ZPL
                if ((dirp = opendir(buf)) == NULL && errno != ENOENT) {
                        (void) fprintf(stderr, gettext("mountpoint '%s' : "
                            "%s\n"), buf, strerror(errno));
@@ -766,7 +772,6 @@ zpool_do_create(int argc, char **argv)
                                goto errout;
                        }
                }
-#endif /* HAVE_ZPL */
        }
 
        if (dryrun) {
@@ -797,12 +802,8 @@ zpool_do_create(int argc, char **argv)
                                            zfs_prop_to_name(
                                            ZFS_PROP_MOUNTPOINT),
                                            mountpoint) == 0);
-#ifdef HAVE_ZPL
                                if (zfs_mount(pool, NULL, 0) == 0)
                                        ret = zfs_shareall(pool);
-#else
-                               ret = 0;
-#endif /* HAVE_ZPL */
                                zfs_close(pool);
                        }
                } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) {
@@ -1490,7 +1491,7 @@ show_import(nvlist_t *config)
        }
 
        if (msgid != NULL)
-               (void) printf(gettext("   see: http://www.sun.com/msg/%s\n"),
+               (void) printf(gettext("   see: http://zfsonlinux.org/msg/%s\n"),
                    msgid);
 
        (void) printf(gettext("config:\n\n"));
@@ -1541,7 +1542,9 @@ do_import(nvlist_t *config, const char *newname, const char *mntopts,
 
                if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID,
                    &hostid) == 0) {
-                       if ((unsigned long)hostid != gethostid()) {
+                       unsigned long system_hostid = gethostid() & 0xffffffff;
+
+                       if ((unsigned long)hostid != system_hostid) {
                                char *hostname;
                                uint64_t timestamp;
                                time_t t;
@@ -1579,14 +1582,12 @@ do_import(nvlist_t *config, const char *newname, const char *mntopts,
        if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL)
                return (1);
 
-#if HAVE_ZPL
        if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
            !(flags & ZFS_IMPORT_ONLY) &&
            zpool_enable_datasets(zhp, mntopts, 0) != 0) {
                zpool_close(zhp);
                return (1);
        }
-#endif /* HAVE_ZPL */
 
        zpool_close(zhp);
        return (0);
@@ -2094,10 +2095,15 @@ print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv,
                return;
 
        for (c = 0; c < children; c++) {
-               uint64_t ishole = B_FALSE;
+               uint64_t ishole = B_FALSE, islog = B_FALSE;
+
+               (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE,
+                   &ishole);
+
+               (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG,
+                   &islog);
 
-               if (nvlist_lookup_uint64(newchild[c],
-                   ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole)
+               if (ishole || islog)
                        continue;
 
                vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE);
@@ -2107,6 +2113,31 @@ print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv,
        }
 
        /*
+        * Log device section
+        */
+
+       if (num_logs(newnv) > 0) {
+               (void) printf("%-*s      -      -      -      -      -      "
+                   "-\n", cb->cb_namewidth, "logs");
+
+               for (c = 0; c < children; c++) {
+                       uint64_t islog = B_FALSE;
+                       (void) nvlist_lookup_uint64(newchild[c],
+                           ZPOOL_CONFIG_IS_LOG, &islog);
+
+                       if (islog) {
+                               vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
+                                   B_FALSE);
+                               print_vdev_stats(zhp, vname, oldnv ?
+                                   oldchild[c] : NULL, newchild[c],
+                                   cb, depth + 2);
+                               free(vname);
+                       }
+               }
+
+       }
+
+       /*
         * Include level 2 ARC devices in iostat output
         */
        if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE,
@@ -2183,11 +2214,30 @@ print_iostat(zpool_handle_t *zhp, void *data)
        return (0);
 }
 
+static int
+get_columns(void)
+{
+       struct winsize ws;
+       int columns = 80;
+       int error;
+
+       if (isatty(STDOUT_FILENO)) {
+               error = ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws);
+               if (error == 0)
+                       columns = ws.ws_col;
+       } else {
+               columns = 999;
+       }
+
+       return columns;
+}
+
 int
 get_namewidth(zpool_handle_t *zhp, void *data)
 {
        iostat_cbdata_t *cb = data;
        nvlist_t *config, *nvroot;
+       int columns;
 
        if ((config = zpool_get_config(zhp, NULL)) != NULL) {
                verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
@@ -2195,17 +2245,20 @@ get_namewidth(zpool_handle_t *zhp, void *data)
                if (!cb->cb_verbose)
                        cb->cb_namewidth = strlen(zpool_get_name(zhp));
                else
-                       cb->cb_namewidth = max_width(zhp, nvroot, 0, 0);
+                       cb->cb_namewidth = max_width(zhp, nvroot, 0,
+                           cb->cb_namewidth);
        }
 
        /*
-        * The width must fall into the range [10,38].  The upper limit is the
-        * maximum we can have and still fit in 80 columns.
+        * The width must be at least 10, but may be as large as the
+        * column width - 42 so that we can still fit in one line.
         */
+       columns = get_columns();
+
        if (cb->cb_namewidth < 10)
                cb->cb_namewidth = 10;
-       if (cb->cb_namewidth > 38)
-               cb->cb_namewidth = 38;
+       if (cb->cb_namewidth > columns - 42)
+               cb->cb_namewidth = columns - 42;
 
        return (0);
 }
@@ -2366,42 +2419,48 @@ zpool_do_iostat(int argc, char **argv)
                pool_list_update(list);
 
                if ((npools = pool_list_count(list)) == 0)
-                       break;
-
-               /*
-                * Refresh all statistics.  This is done as an explicit step
-                * before calculating the maximum name width, so that any
-                * configuration changes are properly accounted for.
-                */
-               (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb);
+                       (void) fprintf(stderr, gettext("no pools available\n"));
+               else {
+                       /*
+                        * Refresh all statistics.  This is done as an
+                        * explicit step before calculating the maximum name
+                        * width, so that any * configuration changes are
+                        * properly accounted for.
+                        */
+                       (void) pool_list_iter(list, B_FALSE, refresh_iostat,
+                               &cb);
 
-               /*
-                * Iterate over all pools to determine the maximum width
-                * for the pool / device name column across all pools.
-                */
-               cb.cb_namewidth = 0;
-               (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb);
+                       /*
+                        * Iterate over all pools to determine the maximum width
+                        * for the pool / device name column across all pools.
+                        */
+                       cb.cb_namewidth = 0;
+                       (void) pool_list_iter(list, B_FALSE, get_namewidth,
+                               &cb);
 
-               if (timestamp_fmt != NODATE)
-                       print_timestamp(timestamp_fmt);
+                       if (timestamp_fmt != NODATE)
+                               print_timestamp(timestamp_fmt);
 
-               /*
-                * If it's the first time, or verbose mode, print the header.
-                */
-               if (++cb.cb_iteration == 1 || verbose)
-                       print_iostat_header(&cb);
+                       /*
+                        * If it's the first time, or verbose mode, print the
+                        * header.
+                        */
+                       if (++cb.cb_iteration == 1 || verbose)
+                               print_iostat_header(&cb);
 
-               (void) pool_list_iter(list, B_FALSE, print_iostat, &cb);
+                       (void) pool_list_iter(list, B_FALSE, print_iostat, &cb);
 
-               /*
-                * If there's more than one pool, and we're not in verbose mode
-                * (which prints a separator for us), then print a separator.
-                */
-               if (npools > 1 && !verbose)
-                       print_iostat_separator(&cb);
+                       /*
+                        * If there's more than one pool, and we're not in
+                        * verbose mode (which prints a separator for us),
+                        * then print a separator.
+                        */
+                       if (npools > 1 && !verbose)
+                               print_iostat_separator(&cb);
 
-               if (verbose)
-                       (void) printf("\n");
+                       if (verbose)
+                               (void) printf("\n");
+               }
 
                /*
                 * Flush the output so that redirection to a file isn't buffered
@@ -2600,10 +2659,12 @@ zpool_do_list(int argc, char **argv)
                ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist,
                    list_callback, &cb);
 
-               if (argc == 0 && cb.cb_first && !cb.cb_scripted) {
-                       (void) printf(gettext("no pools available\n"));
+               if (argc == 0 && cb.cb_first)
+                       (void) fprintf(stderr, gettext("no pools available\n"));
+               else if (argc && cb.cb_first) {
+                       /* cannot open the given pool */
                        zprop_free_list(cb.cb_proplist);
-                       return (0);
+                       return (1);
                }
 
                if (interval == 0)
@@ -2691,7 +2752,7 @@ zpool_do_attach_or_replace(int argc, char **argv, int replacing)
                return (1);
        }
 
-       nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE,
+       nvroot = make_root_vdev(zhp, NULL, force, B_FALSE, replacing, B_FALSE,
            argc, argv);
        if (nvroot == NULL) {
                zpool_close(zhp);
@@ -3151,6 +3212,52 @@ zpool_do_clear(int argc, char **argv)
        return (ret);
 }
 
+/*
+ * zpool reguid <pool>
+ */
+int
+zpool_do_reguid(int argc, char **argv)
+{
+       int c;
+       char *poolname;
+       zpool_handle_t *zhp;
+       int ret = 0;
+
+       /* check options */
+       while ((c = getopt(argc, argv, "")) != -1) {
+               switch (c) {
+               case '?':
+                       (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+                           optopt);
+                       usage(B_FALSE);
+               }
+       }
+
+       argc -= optind;
+       argv += optind;
+
+       /* get pool name and check number of arguments */
+       if (argc < 1) {
+               (void) fprintf(stderr, gettext("missing pool name\n"));
+               usage(B_FALSE);
+       }
+
+       if (argc > 1) {
+               (void) fprintf(stderr, gettext("too many arguments\n"));
+               usage(B_FALSE);
+       }
+
+       poolname = argv[0];
+       if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
+               return (1);
+
+       ret = zpool_reguid(zhp);
+
+       zpool_close(zhp);
+       return (ret);
+}
+
+
 typedef struct scrub_cbdata {
        int     cb_type;
        int     cb_argc;
@@ -3448,7 +3555,7 @@ print_dedup_stats(nvlist_t *config)
  *        pool: tank
  *     status: DEGRADED
  *     reason: One or more devices ...
- *         see: http://www.sun.com/msg/ZFS-xxxx-01
+ *         see: http://zfsonlinux.org/msg/ZFS-xxxx-01
  *     config:
  *             mirror          DEGRADED
  *                c1t0d0       OK
@@ -3656,7 +3763,7 @@ status_callback(zpool_handle_t *zhp, void *data)
        }
 
        if (msgid != NULL)
-               (void) printf(gettext("   see: http://www.sun.com/msg/%s\n"),
+               (void) printf(gettext("   see: http://zfsonlinux.org/msg/%s\n"),
                    msgid);
 
        if (config != NULL) {
@@ -3793,7 +3900,7 @@ zpool_do_status(int argc, char **argv)
                    status_callback, &cb);
 
                if (argc == 0 && cb.cb_count == 0)
-                       (void) printf(gettext("no pools available\n"));
+                       (void) fprintf(stderr, gettext("no pools available\n"));
                else if (cb.cb_explain && cb.cb_first && cb.cb_allpools)
                        (void) printf(gettext("all pools are healthy\n"));
 
@@ -4219,7 +4326,7 @@ zpool_do_history(int argc, char **argv)
            &cbdata);
 
        if (argc == 0 && cbdata.first == B_TRUE) {
-               (void) printf(gettext("no pools available\n"));
+               (void) fprintf(stderr, gettext("no pools available\n"));
                return (0);
        }