void usage(FILE *out)
{
- fprintf(out, "%s v"LUSTRE_VERSION_STRING"\n", progname);
+ fprintf(out, "%s v"LUSTRE_VERSION_STRING"\n", progname);
+ fprintf(out, "usage: %s <target type> [--backfstype="FSLIST"] "
+ "--fsname=<filesystem name>\n"
+ "\t--index=<target index> [options] <device>\n", progname);
#ifdef HAVE_ZFS_OSD
- fprintf(out, "usage: %s <target types> [--backfstype=zfs] [options] "
- "<pool name>/<dataset name> [[<vdev type>] <device> "
- "[<device> ...] [[vdev type>] ...]]\n", progname);
+ fprintf(out, "usage: %s <target type> --backfstype=zfs "
+ "--fsname=<filesystem name> [options]\n"
+ "\t<pool name>/<dataset name>\n"
+ "\t[[<vdev type>] <device> [<device> ...] [vdev type>] ...]\n",
+ progname);
#endif
-
- fprintf(out, "usage: %s <target types> --backfstype="FSLIST" "
- "[options] <device>\n", progname);
- fprintf(out,
- "\t<device>:block device or file (e.g /dev/sda or /tmp/ost1)\n"
+ fprintf(out,
+ "\t<device>:block device or file (e.g /dev/sda or /tmp/ost1)\n"
#ifdef HAVE_ZFS_OSD
- "\t<pool name>: name of the ZFS pool where to create the "
- "target (e.g. tank)\n"
- "\t<dataset name>: name of the new dataset (e.g. ost1). The "
- "dataset name must be unique within the ZFS pool\n"
+ "\t<pool name>: name of ZFS pool where target is created "
+ "(e.g. tank)\n"
+ "\t<dataset name>: name of new dataset, must be unique within "
+ "pool (e.g. ost1)\n"
"\t<vdev type>: type of vdev (mirror, raidz, raidz2, spare, "
- "cache, log)\n"
+ "cache, log)\n"
#endif
"\n"
- "\ttarget types:\n"
- "\t\t--ost: object storage, mutually exclusive with mdt,mgs\n"
- "\t\t--mdt: metadata storage, mutually exclusive with ost\n"
- "\t\t--mgs: configuration management service - one per site\n"
- "\toptions (in order of popularity):\n"
- "\t\t--mgsnode=<nid>[,<...>] : NID(s) of a remote mgs node\n"
- "\t\t\trequired for all targets other than the mgs node\n"
- "\t\t--fsname=<filesystem_name> : default is 'lustre'\n"
- "\t\t--failnode=<nid>[,<...>] : NID(s) of a failover partner\n"
- "\t\t\tcannot be used with --servicenode\n"
- "\t\t--servicenode=<nid>[,<...>] : NID(s) of all service partners\n"
- "\t\t\ttreat all nodes as equal service node, cannot be used with --failnode\n"
- "\t\t--param <key>=<value> : set a permanent parameter\n"
- "\t\t\te.g. --param sys.timeout=40\n"
- "\t\t\t --param lov.stripesize=2M\n"
- "\t\t--index=#N : target index (i.e. ost index within lov)\n"
- "\t\t--comment=<user comment>: arbitrary string (%d bytes)\n"
- "\t\t--mountfsoptions=<opts> : permanent mount options\n"
- "\t\t--network=<net>[,<...>] : restrict OST/MDT to network(s)\n"
+ "\ttarget types:\n"
+ "\t\t--mgs: configuration management service\n"
+ "\t\t--mdt: metadata storage, mutually exclusive with ost\n"
+ "\t\t--ost: object storage, mutually exclusive with mdt, mgs\n"
+ "\toptions (in order of popularity):\n"
+ "\t\t--index=#N: numerical target index (0..N)\n"
+ "\t\t\trequired for all targets other than the MGS\n"
+ "\t\t--fsname=<8_char_filesystem_name>: fs targets belong to\n"
+ "\t\t\trequired for all targets other than MGS\n"
+ "\t\t--mgsnode=<nid>[,<...>]: NID(s) of remote MGS\n"
+ "\t\t\trequired for all targets other than MGS\n"
+ "\t\t--mountfsoptions=<opts>: permanent mount options\n"
+ "\t\t--failnode=<nid>[,<...>]: NID(s) of backup failover node\n"
+ "\t\t\tmutually exclusive with --servicenode\n"
+ "\t\t--servicenode=<nid>[,<...>]: NID(s) of service partners\n"
+ "\t\t\ttreat nodes as equal service node, mutually exclusive "
+ "with --failnode\n"
+ "\t\t--param <key>=<value>: set a permanent parameter\n"
+ "\t\t\te.g. --param sys.timeout=40\n"
+ "\t\t\t --param lov.stripesize=2M\n"
+ "\t\t--network=<net>[,<...>]: restrict OST/MDT to network(s)\n"
#ifndef TUNEFS
- "\t\t--backfstype=<fstype> : backing fs type (ext3, ldiskfs)\n"
- "\t\t--device-size=#N(KB) : device size for loop devices\n"
- "\t\t--mkfsoptions=<opts> : format options\n"
- "\t\t--reformat: overwrite an existing disk\n"
- "\t\t--stripe-count-hint=#N : for optimizing MDT inode size\n"
- "\t\t--iam-dir: use IAM directory format, not ext3 compatible\n"
+ "\t\t--backfstype=<fstype>: backing fs type (ext3, ldiskfs)\n"
+ "\t\t--device-size=#N(KB): device size for loop devices\n"
+ "\t\t--mkfsoptions=<opts>: format options\n"
+ "\t\t--reformat: overwrite an existing disk\n"
+ "\t\t--stripe-count-hint=#N: for optimizing MDT inode size\n"
#else
- "\t\t--erase-params : erase all old parameter settings\n"
- "\t\t--nomgs: turn off MGS service on this MDT\n"
- "\t\t--writeconf: erase all config logs for this fs.\n"
+ "\t\t--erase-params: erase all old parameter settings\n"
+ "\t\t--nomgs: turn off MGS service on this MDT\n"
+ "\t\t--writeconf: erase all config logs for this fs.\n"
#endif
- "\t\t--dryrun: just report what we would do; "
- "don't write to disk\n"
- "\t\t--verbose : e.g. show mkfs progress\n"
- "\t\t--quiet\n",
- (int)sizeof(((struct lustre_disk_data *)0)->ldd_userdata));
- return;
+ "\t\t--comment=<user comment>: arbitrary string (%d bytes)\n"
+ "\t\t--dryrun: report what we would do; don't write to disk\n"
+ "\t\t--verbose: e.g. show mkfs progress\n"
+ "\t\t--quiet\n",
+ (int)sizeof(((struct lustre_disk_data *)0)->ldd_userdata));
+ return;
}
/* ==================== Lustre config functions =============*/
void set_defaults(struct mkfs_opts *mop)
{
- mop->mo_ldd.ldd_magic = LDD_MAGIC;
- mop->mo_ldd.ldd_config_ver = 1;
- mop->mo_ldd.ldd_flags = LDD_F_NEED_INDEX | LDD_F_UPDATE | LDD_F_VIRGIN;
- mop->mo_mgs_failnodes = 0;
- strcpy(mop->mo_ldd.ldd_fsname, "lustre");
- mop->mo_ldd.ldd_mount_type = LDD_MT_LDISKFS;
-
- mop->mo_ldd.ldd_svindex = INDEX_UNASSIGNED;
- mop->mo_stripe_count = 1;
+ mop->mo_ldd.ldd_magic = LDD_MAGIC;
+ mop->mo_ldd.ldd_config_ver = 1;
+ mop->mo_ldd.ldd_flags = LDD_F_NEED_INDEX | LDD_F_UPDATE | LDD_F_VIRGIN;
+ mop->mo_ldd.ldd_mount_type = LDD_MT_LDISKFS;
+ mop->mo_ldd.ldd_svindex = INDEX_UNASSIGNED;
+ mop->mo_mgs_failnodes = 0;
+ mop->mo_stripe_count = 1;
mop->mo_pool_vdevs = NULL;
}
"(%d)\n", mop.mo_device, ret);
goto out;
}
+ mop.mo_ldd.ldd_flags &= ~(LDD_F_WRITECONF | LDD_F_VIRGIN);
+
if (strstr(mop.mo_ldd.ldd_params, PARAM_MGSNODE))
mop.mo_mgs_failnodes++;
goto out;
}
+ /* Stand alone MGS doesn't need a index */
+ if (!IS_MDT(ldd) && IS_MGS(ldd))
+ mop.mo_ldd.ldd_flags &= ~LDD_F_NEED_INDEX;
+
if ((mop.mo_ldd.ldd_flags & (LDD_F_NEED_INDEX | LDD_F_UPGRADE14)) ==
(LDD_F_NEED_INDEX | LDD_F_UPGRADE14)) {
fatal();
ret = EINVAL;
goto out;
}
+
+ if (IS_OST(ldd) && (mop.mo_ldd.ldd_flags & LDD_F_NEED_INDEX))
+ fprintf(stderr, "warning: %s: for Lustre 2.4 and later, the "
+ "target index must be specified with --index\n",
+ mop.mo_device);
+
#if 0
/*
* Comment out these 2 checks temporarily, since for multi-MDSes
goto out;
}
#endif
+ if ((IS_MDT(ldd) || IS_OST(ldd)) && mop.mo_ldd.ldd_fsname[0] == '\0') {
+ fatal();
+ fprintf(stderr, "Must specify --fsname for MDT/OST device\n");
+ ret = EINVAL;
+ goto out;
+ }
/* These are the permanent mount options (always included) */
ret = osd_prepare_lustre(&mop,
fprintf(stderr, "mkfs failed %d\n", ret);
goto out;
}
+#else
+ /* update svname with '=' to refresh config */
+ if (mop.mo_ldd.ldd_flags & LDD_F_WRITECONF) {
+ struct mount_opts opts;
+ opts.mo_ldd = mop.mo_ldd;
+ opts.mo_source = mop.mo_device;
+ (void) osd_label_lustre(&opts);
+ }
#endif
/* Write our config files */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff