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vgcreate

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This commit is contained in:
Alasdair Kergon 2001-10-12 12:21:43 +00:00
parent 2cb6249206
commit 9711fef759
5 changed files with 89 additions and 114 deletions
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7
lib/metadata/metadata.c
View File

@ -27,7 +27,12 @@ struct physical_volume *pv_create(struct io_space *ios, const char *name)
goto bad;
}
pv->vg_name = NULL;
if (!(pv->vg_name = pool_alloc(ios->mem, NAME_LEN))) {
stack;
goto bad;
}
*pv->vg_name = 0;
pv->exported = NULL;
pv->status = 0;

1
tools/Makefile.in
View File

@ -26,6 +26,7 @@ SOURCES=\
pvcreate.c \
toollib.c \
vgck.c \
vgcreate.c \
vgreduce.c \
vgrename.c \
vgremove.c \

14
tools/pvcreate.c
View File

@ -46,7 +46,7 @@ static int _check(const char *name)
/* prompt */
if (!arg_count(yes_ARG) &&
yes_no_prompt(_really_init, name, pv->vg_name) == 'n') {
log_print("physical volume %s not initialized", name);
log_print("Physical volume %s not initialized", name);
return 0;
}
@ -68,24 +68,24 @@ static void pvcreate_single(const char *name)
if (pv->vg_name[0])
log_print(" of volume group %s", pv->vg_name);
printf("\n");
log_print(" ");
}
if (!(pv = pv_create(name, ios))) {
if (!(pv = pv_create(ios, name))) {
log_err("Failed to setup physical volume %s", name);
return;
}
log_verbose("set up physical volume for %s with %llu sectors",
log_verbose("Set up physical volume for %s with %llu sectors",
name, pv->size);
log_verbose("writing physical volume data to disk %s", name);
log_verbose("Writing physical volume data to disk %s", name);
if (!(ios->pv_write(ios, pv))) {
log_error("Failed to write physical volume %s", name);
return;
}
log_print("physical volume %s successfully created", name);
log_print("Physical volume %s successfully created", name);
}
int pvcreate(int argc, char **argv)
@ -98,7 +98,7 @@ int pvcreate(int argc, char **argv)
}
if (arg_count(yes_ARG) && !arg_count(force_ARG)) {
log_error("option y can only be given with option f");
log_error("Option y can only be given with option f");
return EINVALID_CMD_LINE;
}

1
tools/stub.h
View File

@ -36,7 +36,6 @@ int pvdata(int argc, char **argv) {return 1;}
int pvscan(int argc, char **argv) {return 1;}
int vgcfgbackup(int argc, char **argv) {return 1;}
int vgchange(int argc, char **argv) {return 1;}
int vgcreate(int argc, char **argv) {return 1;}
int vgcfgrestore(int argc, char **argv) {return 1;}
int vgdisplay(int argc, char **argv) {return 1;}
int vgexport(int argc, char **argv) {return 1;}

180
tools/vgcreate.c
View File

@ -20,33 +20,32 @@
#include "tools.h"
/* FIXME Temporarily to get at MAX_PV etc. Move these tests elsewhere */
/* FIXME Also PE_SIZE stuff */
#include "../lib/format1/disk-rep.h"
int vgcreate(int argc, char **argv)
{
int count_sav = 0;
int np = 0;
int opt;
int p = 0;
int p1 = 0;
int max_lv = MAX_LV - 1;
int max_pv = MAX_PV - 1;
int min_pv_index = 0;
ulong max_pv_size = 0;
ulong min_pv_size = -1;
long pe_size = LVM_DEFAULT_PE_SIZE;
int ret = 0;
int size = 0;
int v = 0;
int vg_count = 0;
/* long pe_size = LVM_DEFAULT_PE_SIZE; */
char *dummy;
char *vg_name;
struct volume_group *vg;
struct physical_volume *pv, **pvp = NULL;
struct device pv_dev;
struct physical_volume *pv;
struct list_head *pvh;
struct pv_list *pvl;
char *pv_name = NULL;
char **vg_name_ptr = NULL;
if (arg_count(maxlogicalvolumes_ARG))
max_lv = arg_int_value(maxlogicalvolumes_ARG, 0);
@ -55,50 +54,49 @@ int vgcreate(int argc, char **argv)
max_pv = arg_int_value(maxphysicalvolumes_ARG, 0);
if (arg_count(physicalextentsize_ARG)) {
/* FIXME - Move?
pe_size = arg_int_value(physicalextentsize_ARG, 0);
pe_size = ((unsigned long long) pe_size * 1024) / SECTOR_SIZE;
if (vg_check_pe_size(pe_size) < 0) {
log_error("invalid physical extent size %s",
log_error("Invalid physical extent size %s",
display_size(sectors_to_k(pe_size),
SIZE_SHORT));
log_error("must be power of 2 and between %s and %s",
log_error("Must be power of 2 and between %s and %s",
display_size(sectors_to_k(LVM_MIN_PE_SIZE),
SIZE_SHORT),
display_size(sectors_to_k(LVM_MAX_PE_SIZE),
SIZE_SHORT));
return EINVALID_CMD_LINE;
}
*/
}
if (argc == 0) {
log_error
("please enter a volume group name and physical volumes");
if (!argc) {
log_error("Please provide volume group name and "
"physical volumes");
return EINVALID_CMD_LINE;
}
vg_name = argv[0];
if (argc == 1) {
log_error("please enter physical volume name(s)");
log_error("Please enter physical volume name(s)");
return EINVALID_CMD_LINE;
}
vg_name = argv[0];
argv++;
argc--;
if ((vg = ios->vg_read(ios, vg_name))) {
log_error
("Volume group already exists: please use a different name");
log_error("Volume group already exists: please use a "
"different name");
return ECMD_FAILED;
}
/***** FIXME: confirm we're now free of this restriction
log_verbose("counting all existing volume groups");
vg_name_ptr = lvm_tab_vg_check_exist_all_vg();
vg_count = 0;
if (vg_name_ptr != NULL)
for (v = 0; vg_name_ptr[v] != NULL && vg_count < MAX_VG; v++)
vg_count++;
/***** FIXME: Can we be free of this restriction?
log_verbose("Counting all existing volume groups");
if (vg_count >= MAX_VG) {
log_error("maximum volume group count of %d reached", MAX_VG);
return LVM_E_MAX_VG;
log_error("Maximum volume group count of %d reached", MAX_VG);
return ECMD_FAILED;
}
*****/
@ -106,100 +104,67 @@ int vgcreate(int argc, char **argv)
return ECMD_FAILED;
}
/* read all PVs */
/* check, if PVs are all defined and new */
log_verbose("Checking all physical volumes specified are new");
count_sav = argc - 1;
np = 0;
for (opt = 1; opt < argc; opt++) {
log_verbose("Ensuring all physical volumes specified are new");
for (; opt < argc; opt++) {
pv_name = argv[opt];
if (!(pv_dev = dev_cache_get(pv_name))) {
log_error("Device %s not found", pv_name);
return ECMD_FAILED;
}
if (!(pv = ios->pv_read(ios, pv_dev))) {
if (!(pv = ios->pv_read(ios, pv_name))) {
log_error("Physical volume %s not found", pv_name);
return ECMD_FAILED;
}
log_verbose("checking physical volume %s", pv_name);
log_verbose("getting size of physical volume %s", pv_name);
/* FIXME Must PV be ACTIVE & ALLOCATABLE? */
/* FIXME size should already be filled in pv structure?! */
if ((size = dev_get_size(pv_dev)) < 0) {
log_error("Unable to get size of %s", pv_name);
return ECMD_FAILED;
}
log_verbose("Checking physical volume %s", pv_name);
log_verbose("Getting size of physical volume %s", pv_name);
log_verbose("physical volume %s is %d 512-byte sectors",
pv_name, size);
log_verbose("Physical volume %s is %s 512-byte sectors",
pv_name, pv->size);
log_verbose("checking physical volume %s is new", pv_name);
if (pv->vg_name[0]) {
log_verbose("Checking physical volume %s is new", pv_name);
if (*pv->vg_name) {
log_error("%s already belongs to volume group %s",
pv_name pv->vg_name);
pv_name, pv->vg_name);
}
log_verbose("checking for identical physical volumes "
log_verbose("Checking for identical physical volumes "
"on command line");
for (p1 = 0; pvp != NULL && pvp[p1] != NULL; p1++) {
if (!strcmp(pv_name, pvp[p1]->dev->name)) {
log_error
("physical volume %s occurs multiple times",
pv_name);
return ECMD_FAILED;
}
}
if ((pvp = dbg_realloc(pvp, (np + 2) * sizeof (pv *))) == NULL) {
log_error("realloc error in file \"%s\" [line %d]",
__FILE__, __LINE__);
if ((pvh = find_pv_in_vg(vg, pv_name))) {
log_error("Physical volume %s listed multiple times",
pv_name);
return ECMD_FAILED;
}
pvp[np] = pv;
if (max_pv_size < pvp[np]->size)
max_pv_size = pvp[np]->size;
if (min_pv_size > pvp[np]->size) {
min_pv_size = pvp[np]->size;
min_pv_index = np;
if (max_pv_size < pv->size)
max_pv_size = pv->size;
if (min_pv_size > pv->size) {
min_pv_size = pv->size;
min_pv_index = opt;
}
np++;
pvp[np] = NULL;
if (!(pvl = dbg_malloc(sizeof(struct pv_list)))) {
log_error("pv_list allocation failed");
return ECMD_FAILED;
}
pvl->pv = *pv;
list_add(&pvl->list, &vg->pvs);
vg->pv_count++;
}
if (np == 0) {
log_error("no valid physical volumes in command line");
return ECMD_FAILED;
}
log_verbose("%d physical volume(s) will be inserted into "
"volume group %s", vg->pv_count, vg->name);
if (np != count_sav) {
log_error("some invalid physical volumes in command line");
return ECMD_FAILED; /* Impossible to reach here? */
}
log_verbose("%d physical volume%s will be inserted into "
"volume group %s", np, np > 1 ? "s" : "", vg_name);
vg->pv = pvp;
/* load volume group */
/* checking command line arguments */
log_verbose("checking command line arguments");
log_verbose("maximum of %d physical volumes", max_pv);
if (max_pv < 0 || max_pv <= np || max_pv > MAX_PV) {
log_error("invalid maximum physical volumes -p %d", max_pv);
log_verbose("Maximum of %d physical volumes", max_pv);
if (max_pv < 0 || max_pv <= vg->pv_count || max_pv > MAX_PV) {
log_error("Invalid maximum physical volumes -p %d", max_pv);
return EINVALID_CMD_LINE;
}
vg->max_pv = max_pv;
log_verbose("maximum of %d logical volumes", max_lv);
log_verbose("Maximum of %d logical volumes", max_lv);
if (max_lv < 0 || max_lv > MAX_LV) {
log_error("invalid maximum logical volumes -l %d", max_lv);
log_error("Invalid maximum logical volumes -l %d", max_lv);
return EINVALID_CMD_LINE;
}
vg->max_lv = max_lv;
@ -207,14 +172,14 @@ int vgcreate(int argc, char **argv)
/******** FIXME: Enforce these checks internally within vg_write?
size = (LVM_PV_DISK_SIZE + LVM_VG_DISK_SIZE + max_pv * NAME_LEN + max_lv * sizeof(lv_t));
if (size / SECTOR_SIZE > min_pv_size / 5) {
log_error("more than 20%% [%d KB] of physical volume %s with %u KB would be used", size,
log_error("More than 20%% [%d KB] of physical volume %s with %u KB would be used", size,
pvp[min_pv_index]->pv_name, pvp[min_pv_index]->pv_size / 2);
return LVM_E_PV_TOO_SMALL;
}
************/
/* FIXME More work required here */
/* Check extent sizes compatible and set up pe's? */
/************ FIXME More work required here
************ Check extent sizes compatible and set up pe's?
if (
(ret =
vg_setup_for_create(vg_name, &vg, pvp, pe_size, max_pv,
@ -243,6 +208,7 @@ int vgcreate(int argc, char **argv)
}
return ECMD_FAILED;
}
************/
if (arg_count(physicalextentsize_ARG) == 0) {
log_print("Using default physical extent size %s",
@ -255,22 +221,26 @@ int vgcreate(int argc, char **argv)
vg_remove_dir_and_group_and_nodes(vg_name);
/* FIXME Set active flag */
vg->status |= ACTIVE;
/* store vg on disk(s) */
if (ios->vg_write(ios, vg)) {
return ECMD_FAILED;
}
log_verbose("creating volume group directory %s%s", prefix, vg_name);
/******* FIXME /dev/vg???
log_verbose("Creating volume group directory %s%s", prefix, vg_name);
if (vg_create_dir_and_group(&vg)) {
return ECMD_FAILED;
}
*********/
/* FIXME Activate it */
/******* FIXME backups
if ((ret = do_autobackup(vg_name, &vg)))
return ret;
******/
log_print("Volume group %s successfully created and activated",
vg_name);
return 0;