" [--stripe-index|-i <start_ost_idx>]\n" \
" [--stripe-size|-S <stripe_size>]\n" \
" [--layout|-L <pattern>]\n" \
- " [--pool|-p <pool_name>]\n" \
+ " [--mirror_count|-N[mirror_count]]\n" \
" [--ost|-o <ost_indices>]\n" \
+ " [--pool|-p <pool_name>]\n" \
" [--yaml|-y <yaml_template_file>]\n" \
" [--copy=<lustre_src>]\n"
#define SSM_HELP_COMMON \
"\tstripe_count: Number of OSTs to stripe over (0=fs default, -1 all)\n" \
"\t Using -C instead of -c allows overstriping, which\n" \
- "\t will place more than one stripe per OST if\n" \
- "\t stripe_count is greater than the number of OSTs\n" \
+ "\t will place more than one stripe per OST if\n" \
+ "\t stripe_count is greater than the number of OSTs\n" \
"\tstart_ost_idx: OST index of first stripe (-1=default round robin)\n"\
"\tstripe_size: Number of bytes on each OST (0=fs default)\n" \
"\t Can be specified with K, M or G (for KB, MB, GB\n" \
"\t -o <ost_1>,<ost_i>-<ost_j>,<ost_n>\n" \
"\t Or:\n" \
"\t -o <ost_1> -o <ost_i>-<ost_j> -o <ost_n>\n" \
- "\t If --pool is set with --ost, then the OSTs\n" \
+ "\t If --pool is set with --ost then the OSTs\n" \
"\t must be the members of the pool.\n" \
"\tcomp_end: Extent end of component, start after previous end.\n"\
"\t Can be specified with K, M or G (for KB, MB, GB\n" \
"\t it must follow the option without a space.\n" \
"\t The option can also be repeated multiple times to\n" \
"\t separate mirrors that have different layouts.\n" \
- "\tsetstripe options: Mirror layout\n" \
+ "\tSETSTRIPE_OPTIONS: Mirror layout as with 'setstripe'\n" \
"\t It can be a plain layout or a composite layout.\n" \
"\t If not specified, the stripe options inherited\n" \
"\t from the previous component will be used.\n" \
"\t file.\n"
#define MIRROR_EXTEND_USAGE \
- " <--mirror-count|-N[mirror_count]>\n" \
- " [setstripe options|-f <victim_file>]\n" \
+ " {--mirror-count|-N[mirror_count]}\n" \
+ " [SETSTRIPE_OPTIONS|-f|--file <victim_file>]\n" \
" [--no-verify]\n"
#define SETSTRIPE_USAGE \
"\tmode: the file access permission of the directory (octal)\n" \
"To create dir with a foreign (free format) layout :\n" \
"setdirstripe|mkdir --foreign[=<foreign_type>] -x|-xattr <string> " \
- "[--mode|-m mode] [--flags <hex>] <dir>\n" \
+ "[--mode|-o mode] [--flags <hex>] <dir>\n" \
"\tmode: the mode of the directory\n" \
"\tforeign_type: none or daos\n"
.pc_help = "Create a mirrored file.\n"
"usage: lfs mirror create "
"<--mirror-count|-N[mirror_count]> "
- "[setstripe options] ... <filename|directory> ...\n"
+ "[SETSTRIPE_OPTIONS] ... <filename|directory> ...\n"
MIRROR_CREATE_HELP },
{ .pc_name = "delete", .pc_func = lfs_mirror_delete,
.pc_help = "delete a mirror from a file.\n"
.pc_help = "Extend a mirrored file.\n"
"usage: lfs mirror extend "
"<--mirror-count|-N[mirror_count]> [--no-verify] "
- "[setstripe options|-f <victim_file>] ... <filename> ...\n"
+ "[SETSTRIPE_OPTIONS|-f <victim_file>] ... <filename> ...\n"
MIRROR_EXTEND_HELP },
{ .pc_name = "split", .pc_func = lfs_mirror_split,
.pc_help = "Split a mirrored file.\n"
SSM_CMD_COMMON("setstripe --component-add")
SSM_HELP_COMMON
"To totally delete the default striping from an existing directory:\n"
- "usage: setstripe -d <directory>\n"
+ "usage: setstripe [--delete|-d] <directory>\n"
" or\n"
"To create a mirrored file or set s default mirror layout on a directory:\n"
- "usage: setstripe -N[mirror_count] [STRIPE_OPTIONS] <directory|filename>\n"
+ "usage: setstripe {--mirror-count|-N}[mirror_count] [SETSTRIPE_OPTIONS] <directory|filename>\n"
" or\n"
"To delete the last component(s) from an existing composite file\n"
"(note that this will also delete any data in those components):\n"
" [[!] --component-count [+-]<comp_cnt>]\n"
" [[!] --component-start [+-]N[kMGTPE]]\n"
" [[!] --component-end|-E [+-]N[kMGTPE]]\n"
- " [[!] --component-flags <comp_flags>]\n"
+ " [[!] --component-flags {init,stale,prefer,offline,nosync,extension}]\n"
" [[!] --mirror-count|-N [+-]<n>]\n"
" [[!] --mirror-state <[^]state>]\n"
" [[!] --mdt-count|-T [+-]<stripes>]\n"
{"df", lfs_df, 0,
"report filesystem disk space usage or inodes usage "
"of each MDS and all OSDs or a batch belonging to a specific pool.\n"
- "Usage: df [-i] [-h] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
+ "Usage: df [--inodes|-i] [--human-readable|-h] [--lazy|-l]\n"
+ " [--pool|-p <fsname>[.<pool>]] [path]"},
{"getname", lfs_getname, 0,
"list instances and specified mount points [for specified path only]\n"
"Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
{"rmfid", lfs_rmfid, 0, "Remove file(s) by FID(s)\n"
"usage: rmfid <fsname|rootpath> <fid> ..."},
{"data_version", lfs_data_version, 0, "Display file data version for "
- "a given path.\n" "usage: data_version
-[n|r|w] <path>"},
+ "a given path.\n" "usage: data_version
[-n|-r|-w] <path>"},
{"hsm_state", lfs_hsm_state, 0, "Display the HSM information (states, "
"undergoing actions) for given files.\n usage: hsm_state <file> ..."},
{"hsm_set", lfs_hsm_set, 0, "Set HSM user flag on specified files.\n"
}
/* create, open a volatile file, use caching (ie no directio) */
- if (param != NULL)
- fdv = llapi_file_open_param(volatile_file, open_flags,
- open_mode, param);
- else
+ if (layout)
fdv = lfs_component_create(volatile_file, open_flags,
open_mode, layout);
+ else
+ fdv = llapi_file_open_param(volatile_file, open_flags,
+ open_mode, param);
} while (fdv < 0 && (rc = fdv) == -EEXIST);
if (rc < 0) {
goto usage_error;
}
+ /* lfs migrate $filename should keep the file's layout by default */
+ if (migrate_mode && !setstripe_args_specified(&lsa) && !layout &&
+ !from_yaml)
+ from_copy = true;
+
if (xattr && !foreign_mode) {
/* only print a warning as this is harmless and will be ignored
*/
if ((from_yaml || from_copy) &&
(setstripe_args_specified(&lsa) || layout != NULL)) {
- fprintf(stderr, "error: %s: can't specify --yaml with "
- "-c, -S, -i, -o, -p or -E options.\n",
+ fprintf(stderr, "error: %s: can't specify --yaml or --copy with"
+ " -c, -S, -i, -o, -p or -E options.\n",
argv[0]);
goto error;
}
argv[0], template);
goto error;
}
- } else if (from_copy) {
- layout = llapi_layout_get_by_path(template, 0);
- if (layout == NULL) {
- fprintf(stderr,
- "%s: can't create composite layout from file %s.\n",
- progname, template);
- goto error;
- }
}
for (fname = argv[optind]; fname != NULL; fname = argv[++optind]) {
+ if (from_copy) {
+ layout = llapi_layout_get_by_path(template ?: fname, 0);
+ if (layout == NULL) {
+ fprintf(stderr, "%s: can't create composite "
+ "layout from file %s.\n",
+ progname, template ?: fname);
+ goto error;
+ }
+ }
+
if (migrate_mdt_mode) {
result = llapi_migrate_mdt(fname, &migrate_mdt_param);
} else if (migrate_mode) {
git://git.whamcloud.com / fs / lustre-release.git / blobdiff