return _sys_dev_type[type];
}
-#ifndef MDASSEMBLE
static struct intel_hba * alloc_intel_hba(struct sys_dev *device)
{
struct intel_hba *result = malloc(sizeof(*result));
return result;
}
-
static int attach_hba_to_super(struct intel_super *super, struct sys_dev *device)
{
struct intel_hba *hba;
return NULL;
}
-#endif /* MDASSEMBLE */
static int find_intel_hba_capability(int fd, struct intel_super *super,
struct imsm_map *map_to_analyse = map;
struct dl *dl;
char *devname;
+ unsigned int component_size_alligment;
int map_disks = info->array.raid_disks;
if (prev_map)
info->data_offset = __le32_to_cpu(map_to_analyse->pba_of_lba0);
info->component_size =
__le32_to_cpu(map_to_analyse->blocks_per_member);
+
+ /* check component size aligment
+ */
+ component_size_alligment =
+ info->component_size % (info->array.chunk_size/512);
+
+ if (component_size_alligment &&
+ (info->array.level != 1) && (info->array.level != UnSet)) {
+ dprintf("imsm: reported component size alligned from %llu ",
+ info->component_size);
+ info->component_size -= component_size_alligment;
+ dprintf("to %llu (%i).\n",
+ info->component_size, component_size_alligment);
+ }
+
memset(info->uuid, 0, sizeof(info->uuid));
info->recovery_start = MaxSector;
* use the same Intel hba
*/
if (!check_env("IMSM_NO_PLATFORM")) {
- if (first->hba->type != sec->hba->type) {
+ if (!first->hba || !sec->hba ||
+ (first->hba->type != sec->hba->type)) {
fprintf(stderr,
"HBAs of devices does not match %s != %s\n",
- get_sys_dev_type(first->hba->type),
- get_sys_dev_type(sec->hba->type));
+ first->hba ? get_sys_dev_type(first->hba->type) : NULL,
+ sec->hba ? get_sys_dev_type(sec->hba->type) : NULL);
return 3;
}
}
sizeof(*super));
return 1;
}
+ /* Load hba and capabilities if they exist.
+ * But do not preclude loading metadata in case capabilities or hba are
+ * non-compliant and ignore_hw_compat is set.
+ */
rv = find_intel_hba_capability(fd, super, devname);
/* no orom/efi or non-intel hba of the disk */
- if (rv != 0) {
+ if ((rv != 0) && (st->ignore_hw_compat == 0)) {
if (devname)
fprintf(stderr,
Name ": No OROM/EFI properties for %s\n", devname);
free_imsm(super);
return 2;
}
-
rv = load_and_parse_mpb(fd, super, devname, 0);
if (rv) {
} else {
dd->next = super->disks;
super->disks = dd;
+ super->updates_pending++;
}
return 0;
*/
chunk = __le16_to_cpu(map->blocks_per_strip) >> 1;
+#ifndef MDASSEMBLE
if (!validate_geometry_imsm_orom(super,
get_imsm_raid_level(map), /* RAID level */
imsm_level_to_layout(get_imsm_raid_level(map)),
"Cannot proceed with the action(s).\n");
continue;
}
+#endif /* MDASSEMBLE */
this = malloc(sizeof(*this));
if (!this) {
fprintf(stderr, Name ": failed to allocate %zu bytes\n",
__u32 ord;
int slot;
struct imsm_map *map;
- char buf[MAX_RAID_SERIAL_LEN+3];
- unsigned int len, shift = 0;
/* new failures are always set in map[0] */
map = get_imsm_map(dev, 0);
if (is_failed(disk) && (ord & IMSM_ORD_REBUILD))
return 0;
- sprintf(buf, "%s:0", disk->serial);
- if ((len = strlen(buf)) >= MAX_RAID_SERIAL_LEN)
- shift = len - MAX_RAID_SERIAL_LEN + 1;
- strncpy((char *)disk->serial, &buf[shift], MAX_RAID_SERIAL_LEN);
-
disk->status |= FAILED_DISK;
set_imsm_ord_tbl_ent(map, slot, idx | IMSM_ORD_REBUILD);
if (map->failed_disk_num == 0xff)
geo->raid_disks > 1 ? "s" : "");
break;
}
+ /* check if component size is aligned to chunk size
+ */
+ if (info->component_size %
+ (info->array.chunk_size/512)) {
+ dprintf("Component size is not aligned to "
+ "chunk size\n");
+ break;
+ }
}
if (*old_raid_disks &&
return 0;
}
+static int warn_user_about_risk(void)
+{
+ int rv = 0;
+
+ fprintf(stderr,
+ "\nThis is an experimental feature. Data on the RAID volume(s) "
+ "can be lost!!!\n\n"
+ "To continue command execution please make sure that\n"
+ "the grow process will not be interrupted. Use safe power\n"
+ "supply to avoid unexpected system reboot. Make sure that\n"
+ "reshaped container is not assembled automatically during\n"
+ "system boot.\n"
+ "If reshape is interrupted, assemble array manually\n"
+ "using e.g. '-Ac' option and up to date mdadm.conf file.\n"
+ "Assembly in scan mode is not possible in such case.\n"
+ "Growing container with boot array is not possible.\n"
+ "If boot array reshape is interrupted, whole file system\n"
+ "can be lost.\n\n");
+ rv = ask("Do you want to continue? ");
+ fprintf(stderr, "\n");
+
+ return rv;
+}
+
static int imsm_reshape_super(struct supertype *st, long long size, int level,
int layout, int chunksize, int raid_disks,
int delta_disks, char *backup, char *dev,
/* On container level we can only increase number of devices. */
dprintf("imsm: info: Container operation\n");
int old_raid_disks = 0;
+
+ /* this warning will be removed when imsm checkpointing
+ * will be implemented, and restoring from check-point
+ * operation will be transparent for reboot process
+ */
+ if (warn_user_about_risk() == 0)
+ return ret_val;
+
if (imsm_reshape_is_allowed_on_container(
st, &geo, &old_raid_disks)) {
struct imsm_update_reshape *u = NULL;