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lvmlockd: configurable sanlock lease sizes on 4K disks

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New config setting sanlock_align_size can be used to configure
the sanlock lease size that lvmlockd will use on 4K disks.

By default, lvmlockd and sanlock use 8MiB align_size (lease size)
on 4K disks, which supports up to 2000 hosts (and max host_id.)

This can be reduced to 1, 2 or 4 (in MiB), to reduce lease i/o.
The reduced sizes correspond to smaller max hosts/host_id:

1 MiB = 250 hosts
2 MiB = 500 hosts
4 MiB = 1000 hosts
8 MiB = 2000 hosts (default)

(Disks with 512 byte sectors always use 1MiB leases and support
2000 hosts/host_id, and are not affected by this.)
This commit is contained in:
David Teigland 2024-09-27 17:42:26 -05:00
parent 6816366ff1
commit 7f29afdb06
6 changed files with 231 additions and 122 deletions
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38
daemons/lvmlockd/lvmlockd-core.c
View File

@ -1177,12 +1177,12 @@ static void lm_rem_resource(struct lockspace *ls, struct resource *r)
lm_rem_resource_idm(ls, r); lm_rem_resource_idm(ls, r);
} }
static int lm_find_free_lock(struct lockspace *ls, uint64_t lv_size_bytes, uint64_t *free_offset, int *sector_size, int *align_size) static int lm_find_free_lock(struct lockspace *ls, uint64_t lv_size_bytes)
{ {
if (ls->lm_type == LD_LM_DLM) if (ls->lm_type == LD_LM_DLM)
return 0; return 0;
else if (ls->lm_type == LD_LM_SANLOCK) else if (ls->lm_type == LD_LM_SANLOCK)
return lm_find_free_lock_sanlock(ls, lv_size_bytes, free_offset, sector_size, align_size); return lm_find_free_lock_sanlock(ls, lv_size_bytes);
else if (ls->lm_type == LD_LM_IDM) else if (ls->lm_type == LD_LM_IDM)
return 0; return 0;
return -1; return -1;
@ -2712,17 +2712,10 @@ static void *lockspace_thread_main(void *arg_in)
} }
if (act->op == LD_OP_FIND_FREE_LOCK && act->rt == LD_RT_VG) { if (act->op == LD_OP_FIND_FREE_LOCK && act->rt == LD_RT_VG) {
uint64_t free_offset = 0;
int sector_size = 0;
int align_size = 0;
log_debug("S %s find free lock", ls->name); log_debug("S %s find free lock", ls->name);
rv = lm_find_free_lock(ls, act->lv_size_bytes, &free_offset, &sector_size, &align_size); rv = lm_find_free_lock(ls, act->lv_size_bytes);
log_debug("S %s find free lock %d offset %llu sector_size %d align_size %d", log_debug("S %s find free lock %d offset %llu",
ls->name, rv, (unsigned long long)free_offset, sector_size, align_size); ls->name, rv, (unsigned long long)ls->free_lock_offset);
ls->free_lock_offset = free_offset;
ls->free_lock_sector_size = sector_size;
ls->free_lock_align_size = align_size;
list_del(&act->list); list_del(&act->list);
act->result = rv; act->result = rv;
add_client_result(act); add_client_result(act);
@ -3556,7 +3549,7 @@ static int work_init_vg(struct action *act)
} }
if (act->lm_type == LD_LM_SANLOCK) if (act->lm_type == LD_LM_SANLOCK)
rv = lm_init_vg_sanlock(ls_name, act->vg_name, act->flags, act->vg_args); rv = lm_init_vg_sanlock(ls_name, act->vg_name, act->flags, act->vg_args, act->align_mb);
else if (act->lm_type == LD_LM_DLM) else if (act->lm_type == LD_LM_DLM)
rv = lm_init_vg_dlm(ls_name, act->vg_name, act->flags, act->vg_args); rv = lm_init_vg_dlm(ls_name, act->vg_name, act->flags, act->vg_args);
else if (act->lm_type == LD_LM_IDM) else if (act->lm_type == LD_LM_IDM)
@ -3622,9 +3615,6 @@ static int work_init_lv(struct action *act)
char ls_name[MAX_NAME+1]; char ls_name[MAX_NAME+1];
char vg_args[MAX_ARGS+1]; char vg_args[MAX_ARGS+1];
char lv_args[MAX_ARGS+1]; char lv_args[MAX_ARGS+1];
uint64_t free_offset = 0;
int sector_size = 0;
int align_size = 0;
int lm_type = 0; int lm_type = 0;
int rv = 0; int rv = 0;
@ -3639,9 +3629,6 @@ static int work_init_lv(struct action *act)
if (ls) { if (ls) {
lm_type = ls->lm_type; lm_type = ls->lm_type;
memcpy(vg_args, ls->vg_args, MAX_ARGS); memcpy(vg_args, ls->vg_args, MAX_ARGS);
free_offset = ls->free_lock_offset;
sector_size = ls->free_lock_sector_size;
align_size = ls->free_lock_align_size;
} }
pthread_mutex_unlock(&lockspaces_mutex); pthread_mutex_unlock(&lockspaces_mutex);
@ -3657,8 +3644,13 @@ static int work_init_lv(struct action *act)
} }
if (lm_type == LD_LM_SANLOCK) { if (lm_type == LD_LM_SANLOCK) {
rv = lm_init_lv_sanlock(ls_name, act->vg_name, act->lv_uuid, /* FIXME: can init_lv ever be called without the lockspace already started? */
vg_args, lv_args, sector_size, align_size, free_offset); if (!ls) {
log_error("init_lv no lockspace found");
return -EINVAL;
}
rv = lm_init_lv_sanlock(ls, act->lv_uuid, vg_args, lv_args);
memcpy(act->lv_args, lv_args, MAX_ARGS); memcpy(act->lv_args, lv_args, MAX_ARGS);
return rv; return rv;
@ -5032,6 +5024,10 @@ static void client_recv_action(struct client *cl)
if (val) if (val)
act->host_id = val; act->host_id = val;
val = daemon_request_int(req, "align_mb", 0);
if (val)
act->align_mb = val;
act->lv_size_bytes = (uint64_t)dm_config_find_int64(req.cft->root, "lv_size_bytes", 0); act->lv_size_bytes = (uint64_t)dm_config_find_int64(req.cft->root, "lv_size_bytes", 0);
/* Create PV list for idm */ /* Create PV list for idm */

15
daemons/lvmlockd/lvmlockd-internal.h
View File

@ -141,6 +141,7 @@ struct action {
int max_retries; int max_retries;
int result; int result;
int lm_rv; /* return value from lm_ function */ int lm_rv; /* return value from lm_ function */
int align_mb;
char *path; char *path;
char vg_uuid[64]; char vg_uuid[64];
char vg_name[MAX_NAME+1]; char vg_name[MAX_NAME+1];
@ -192,8 +193,6 @@ struct lockspace {
void *lm_data; void *lm_data;
uint64_t host_id; uint64_t host_id;
uint64_t free_lock_offset; /* for sanlock, start search for free lock here */ uint64_t free_lock_offset; /* for sanlock, start search for free lock here */
int free_lock_sector_size; /* for sanlock */
int free_lock_align_size; /* for sanlock */
struct pvs pvs; /* for idm: PV list */ struct pvs pvs; /* for idm: PV list */
uint32_t start_client_id; /* client_id that started the lockspace */ uint32_t start_client_id; /* client_id that started the lockspace */
@ -506,8 +505,8 @@ static inline int lm_refresh_lv_check_dlm(struct action *act)
#ifdef LOCKDSANLOCK_SUPPORT #ifdef LOCKDSANLOCK_SUPPORT
int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_args); int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_args, int opt_align_mb);
int lm_init_lv_sanlock(char *ls_name, char *vg_name, char *lv_name, char *vg_args, char *lv_args, int sector_size, int align_size, uint64_t free_offset); int lm_init_lv_sanlock(struct lockspace *ls, char *lv_name, char *vg_args, char *lv_args);
int lm_free_lv_sanlock(struct lockspace *ls, struct resource *r); int lm_free_lv_sanlock(struct lockspace *ls, struct resource *r);
int lm_rename_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_args); int lm_rename_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_args);
int lm_prepare_lockspace_sanlock(struct lockspace *ls); int lm_prepare_lockspace_sanlock(struct lockspace *ls);
@ -528,7 +527,7 @@ int lm_gl_is_enabled(struct lockspace *ls);
int lm_get_lockspaces_sanlock(struct list_head *ls_rejoin); int lm_get_lockspaces_sanlock(struct list_head *ls_rejoin);
int lm_data_size_sanlock(void); int lm_data_size_sanlock(void);
int lm_is_running_sanlock(void); int lm_is_running_sanlock(void);
int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes, uint64_t *free_offset, int *sector_size, int *align_size); int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes);
static inline int lm_support_sanlock(void) static inline int lm_support_sanlock(void)
{ {
@ -537,12 +536,12 @@ static inline int lm_support_sanlock(void)
#else #else
static inline int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_args) static inline int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_args, int opt_align_mb)
{ {
return -1; return -1;
} }
static inline int lm_init_lv_sanlock(char *ls_name, char *vg_name, char *lv_name, char *vg_args, char *lv_args, int sector_size, int align_size, uint64_t free_offset) static inline int lm_init_lv_sanlock(struct lockspace *ls, char *lv_name, char *vg_args, char *lv_args)
{ {
return -1; return -1;
} }
@ -631,7 +630,7 @@ static inline int lm_is_running_sanlock(void)
return 0; return 0;
} }
static inline int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes, uint64_t *free_offset, int *sector_size, int *align_size) static inline int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes);
{ {
return -1; return -1;
} }

228
daemons/lvmlockd/lvmlockd-sanlock.c
View File

@ -145,6 +145,8 @@ struct lm_sanlock {
int sector_size; int sector_size;
int align_size; int align_size;
int sock; /* sanlock daemon connection */ int sock; /* sanlock daemon connection */
uint32_t ss_flags; /* sector and align flags for lockspace */
uint32_t rs_flags; /* sector and align flags for resource */
}; };
struct rd_sanlock { struct rd_sanlock {
@ -369,7 +371,7 @@ out:
/* Select sector/align size for a new VG based on what the device reports for /* Select sector/align size for a new VG based on what the device reports for
sector size of the lvmlock LV. */ sector size of the lvmlock LV. */
static int get_sizes_device(char *path, uint64_t *dev_size, int *sector_size, int *align_size) static int get_sizes_device(char *path, uint64_t *dev_size, int *sector_size, int *align_size, int *align_mb)
{ {
unsigned int physical_block_size = 0; unsigned int physical_block_size = 0;
unsigned int logical_block_size = 0; unsigned int logical_block_size = 0;
@ -395,12 +397,14 @@ static int get_sizes_device(char *path, uint64_t *dev_size, int *sector_size, in
if ((physical_block_size == 512) && (logical_block_size == 512)) { if ((physical_block_size == 512) && (logical_block_size == 512)) {
*sector_size = 512; *sector_size = 512;
*align_size = ONE_MB; *align_size = ONE_MB;
*align_mb = 1;
return 0; return 0;
} }
if ((physical_block_size == 4096) && (logical_block_size == 4096)) { if ((physical_block_size == 4096) && (logical_block_size == 4096)) {
*sector_size = 4096; *sector_size = 4096;
*align_size = 8 * ONE_MB; *align_size = 8 * ONE_MB;
*align_mb = 8;
return 0; return 0;
} }
@ -435,6 +439,7 @@ static int get_sizes_device(char *path, uint64_t *dev_size, int *sector_size, in
physical_block_size, logical_block_size, path); physical_block_size, logical_block_size, path);
*sector_size = 4096; *sector_size = 4096;
*align_size = 8 * ONE_MB; *align_size = 8 * ONE_MB;
*align_mb = 8;
return 0; return 0;
} }
@ -443,18 +448,21 @@ static int get_sizes_device(char *path, uint64_t *dev_size, int *sector_size, in
physical_block_size, logical_block_size, path); physical_block_size, logical_block_size, path);
*sector_size = 4096; *sector_size = 4096;
*align_size = 8 * ONE_MB; *align_size = 8 * ONE_MB;
*align_mb = 8;
return 0; return 0;
} }
if (physical_block_size == 512) { if (physical_block_size == 512) {
*sector_size = 512; *sector_size = 512;
*align_size = ONE_MB; *align_size = ONE_MB;
*align_mb = 1;
return 0; return 0;
} }
if (physical_block_size == 4096) { if (physical_block_size == 4096) {
*sector_size = 4096; *sector_size = 4096;
*align_size = 8 * ONE_MB; *align_size = 8 * ONE_MB;
*align_mb = 8;
return 0; return 0;
} }
@ -466,7 +474,8 @@ static int get_sizes_device(char *path, uint64_t *dev_size, int *sector_size, in
/* Get the sector/align sizes that were used to create an existing VG. /* Get the sector/align sizes that were used to create an existing VG.
sanlock encoded this in the lockspace/resource structs on disk. */ sanlock encoded this in the lockspace/resource structs on disk. */
static int get_sizes_lockspace(char *path, int *sector_size, int *align_size) static int get_sizes_lockspace(char *path, int *sector_size, int *align_size, int *align_mb,
uint32_t *ss_flags, uint32_t *rs_flags)
{ {
struct sanlk_lockspace ss; struct sanlk_lockspace ss;
uint32_t io_timeout = 0; uint32_t io_timeout = 0;
@ -484,10 +493,38 @@ static int get_sizes_lockspace(char *path, int *sector_size, int *align_size)
if ((ss.flags & SANLK_LSF_SECTOR4K) && (ss.flags & SANLK_LSF_ALIGN8M)) { if ((ss.flags & SANLK_LSF_SECTOR4K) && (ss.flags & SANLK_LSF_ALIGN8M)) {
*sector_size = 4096; *sector_size = 4096;
*align_mb = 8;
*align_size = 8 * ONE_MB; *align_size = 8 * ONE_MB;
*ss_flags = SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN8M;
*rs_flags = SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M;
} else if ((ss.flags & SANLK_LSF_SECTOR4K) && (ss.flags & SANLK_LSF_ALIGN4M)) {
*sector_size = 4096;
*align_mb = 4;
*align_size = 4 * ONE_MB;
*ss_flags = SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN4M;
*rs_flags = SANLK_RES_SECTOR4K | SANLK_RES_ALIGN4M;
} else if ((ss.flags & SANLK_LSF_SECTOR4K) && (ss.flags & SANLK_LSF_ALIGN2M)) {
*sector_size = 4096;
*align_mb = 2;
*align_size = 2 * ONE_MB;
*ss_flags = SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN2M;
*rs_flags = SANLK_RES_SECTOR4K | SANLK_RES_ALIGN2M;
} else if ((ss.flags & SANLK_LSF_SECTOR4K) && (ss.flags & SANLK_LSF_ALIGN1M)) {
*sector_size = 4096;
*align_mb = 1;
*align_size = ONE_MB;
*ss_flags = SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN1M;
*rs_flags = SANLK_RES_SECTOR4K | SANLK_RES_ALIGN1M;
} else if ((ss.flags & SANLK_LSF_SECTOR512) && (ss.flags & SANLK_LSF_ALIGN1M)) { } else if ((ss.flags & SANLK_LSF_SECTOR512) && (ss.flags & SANLK_LSF_ALIGN1M)) {
*sector_size = 512; *sector_size = 512;
*align_mb = 1;
*align_size = ONE_MB; *align_size = ONE_MB;
*ss_flags = SANLK_LSF_SECTOR512 | SANLK_LSF_ALIGN1M;
*rs_flags = SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M;
} }
log_debug("get_sizes_lockspace found %d %d", *sector_size, *align_size); log_debug("get_sizes_lockspace found %d %d", *sector_size, *align_size);
@ -504,7 +541,7 @@ static int get_sizes_lockspace(char *path, int *sector_size, int *align_size)
#define MAX_VERSION 16 #define MAX_VERSION 16
int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_args) int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_args, int opt_align_mb)
{ {
struct sanlk_lockspace ss; struct sanlk_lockspace ss;
struct sanlk_resourced rd; struct sanlk_resourced rd;
@ -512,12 +549,14 @@ int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_ar
char lock_lv_name[MAX_ARGS+1]; char lock_lv_name[MAX_ARGS+1];
char lock_args_version[MAX_VERSION+1]; char lock_args_version[MAX_VERSION+1];
const char *gl_name = NULL; const char *gl_name = NULL;
uint32_t rs_flags;
uint32_t daemon_version; uint32_t daemon_version;
uint32_t daemon_proto; uint32_t daemon_proto;
uint64_t offset; uint64_t offset;
uint64_t dev_size; uint64_t dev_size;
int sector_size = 0; int sector_size = 0;
int align_size = 0; int align_size = 0;
int align_mb = 0;
int i, rv; int i, rv;
memset(&ss, 0, sizeof(ss)); memset(&ss, 0, sizeof(ss));
@ -542,7 +581,7 @@ int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_ar
if ((rv = build_dm_path(disk.path, SANLK_PATH_LEN, vg_name, lock_lv_name))) if ((rv = build_dm_path(disk.path, SANLK_PATH_LEN, vg_name, lock_lv_name)))
return rv; return rv;
log_debug("S %s init_vg_san path %s", ls_name, disk.path); log_debug("S %s init_vg_san path %s align %d", ls_name, disk.path, opt_align_mb);
if (daemon_test) { if (daemon_test) {
if (!gl_lsname_sanlock[0]) if (!gl_lsname_sanlock[0])
@ -563,7 +602,7 @@ int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_ar
daemon_version, daemon_proto); daemon_version, daemon_proto);
/* Nothing formatted on disk yet, use what the device reports. */ /* Nothing formatted on disk yet, use what the device reports. */
rv = get_sizes_device(disk.path, &dev_size, &sector_size, &align_size); rv = get_sizes_device(disk.path, &dev_size, &sector_size, &align_size, &align_mb);
if (rv < 0) { if (rv < 0) {
if (rv == -EACCES) { if (rv == -EACCES) {
log_error("S %s init_vg_san sanlock error -EACCES: no permission to access %s", log_error("S %s init_vg_san sanlock error -EACCES: no permission to access %s",
@ -576,14 +615,48 @@ int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_ar
} }
} }
/* Non-default lease size is requested. */
if ((sector_size == 4096) && opt_align_mb && (opt_align_mb != 8)) {
if (opt_align_mb != 1 && opt_align_mb != 2 && opt_align_mb != 4) {
log_error("S %s init_vg_sanlock invalid align input %u", ls_name, opt_align_mb);
return -EARGS;
}
align_mb = opt_align_mb;
align_size = align_mb * ONE_MB;
}
log_debug("S %s init_vg_san %s dev_size %llu sector_size %u align_size %u", log_debug("S %s init_vg_san %s dev_size %llu sector_size %u align_size %u",
ls_name, disk.path, (unsigned long long)dev_size, sector_size, align_size); ls_name, disk.path, (unsigned long long)dev_size, sector_size, align_size);
strcpy_name_len(ss.name, ls_name, SANLK_NAME_LEN); strcpy_name_len(ss.name, ls_name, SANLK_NAME_LEN);
memcpy(ss.host_id_disk.path, disk.path, SANLK_PATH_LEN); memcpy(ss.host_id_disk.path, disk.path, SANLK_PATH_LEN);
ss.host_id_disk.offset = 0; ss.host_id_disk.offset = 0;
ss.flags = (sector_size == 4096) ? (SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN8M) :
(SANLK_LSF_SECTOR512 | SANLK_LSF_ALIGN1M); if (sector_size == 512) {
ss.flags = SANLK_LSF_SECTOR512 | SANLK_LSF_ALIGN1M;
rs_flags = SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M;
} else if (sector_size == 4096) {
if (align_mb == 8) {
ss.flags = SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN8M;
rs_flags = SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M;
} else if (align_mb == 4) {
ss.flags = SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN4M;
rs_flags = SANLK_RES_SECTOR4K | SANLK_RES_ALIGN4M;
} else if (align_mb == 2) {
ss.flags = SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN2M;
rs_flags = SANLK_RES_SECTOR4K | SANLK_RES_ALIGN2M;
} else if (align_mb == 1) {
ss.flags = SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN1M;
rs_flags = SANLK_RES_SECTOR4K | SANLK_RES_ALIGN1M;
}
else {
log_error("Invalid sanlock align_size %d %d", align_size, align_mb);
return -EARGS;
}
} else {
log_error("Invalid sanlock sector_size %d", sector_size);
return -EARGS;
}
rv = sanlock_write_lockspace(&ss, 0, 0, sanlock_io_timeout); rv = sanlock_write_lockspace(&ss, 0, 0, sanlock_io_timeout);
if (rv < 0) { if (rv < 0) {
@ -616,8 +689,7 @@ int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_ar
memcpy(rd.rs.disks[0].path, disk.path, SANLK_PATH_LEN); memcpy(rd.rs.disks[0].path, disk.path, SANLK_PATH_LEN);
rd.rs.disks[0].offset = align_size * GL_LOCK_BEGIN; rd.rs.disks[0].offset = align_size * GL_LOCK_BEGIN;
rd.rs.num_disks = 1; rd.rs.num_disks = 1;
rd.rs.flags = (sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) : rd.rs.flags = rs_flags;
(SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M);
rv = sanlock_write_resource(&rd.rs, 0, 0, 0); rv = sanlock_write_resource(&rd.rs, 0, 0, 0);
if (rv < 0) { if (rv < 0) {
@ -631,8 +703,7 @@ int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_ar
memcpy(rd.rs.disks[0].path, disk.path, SANLK_PATH_LEN); memcpy(rd.rs.disks[0].path, disk.path, SANLK_PATH_LEN);
rd.rs.disks[0].offset = align_size * VG_LOCK_BEGIN; rd.rs.disks[0].offset = align_size * VG_LOCK_BEGIN;
rd.rs.num_disks = 1; rd.rs.num_disks = 1;
rd.rs.flags = (sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) : rd.rs.flags = rs_flags;
(SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M);
rv = sanlock_write_resource(&rd.rs, 0, 0, 0); rv = sanlock_write_resource(&rd.rs, 0, 0, 0);
if (rv < 0) { if (rv < 0) {
@ -658,8 +729,7 @@ int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_ar
memset(&rd, 0, sizeof(rd)); memset(&rd, 0, sizeof(rd));
rd.rs.num_disks = 1; rd.rs.num_disks = 1;
rd.rs.flags = (sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) : rd.rs.flags = rs_flags;
(SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M);
memcpy(rd.rs.disks[0].path, disk.path, SANLK_PATH_LEN); memcpy(rd.rs.disks[0].path, disk.path, SANLK_PATH_LEN);
strcpy_name_len(rd.rs.lockspace_name, ls_name, SANLK_NAME_LEN); strcpy_name_len(rd.rs.lockspace_name, ls_name, SANLK_NAME_LEN);
strcpy_name_len(rd.rs.name, "#unused", SANLK_NAME_LEN); strcpy_name_len(rd.rs.name, "#unused", SANLK_NAME_LEN);
@ -700,14 +770,14 @@ int lm_init_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_ar
* can be saved in the lv's lock_args in the vg metadata. * can be saved in the lv's lock_args in the vg metadata.
*/ */
int lm_init_lv_sanlock(char *ls_name, char *vg_name, char *lv_name, int lm_init_lv_sanlock(struct lockspace *ls, char *lv_name, char *vg_args, char *lv_args)
char *vg_args, char *lv_args,
int sector_size, int align_size, uint64_t free_offset)
{ {
struct lm_sanlock *lms = (struct lm_sanlock *)ls->lm_data;
struct sanlk_resourced rd; struct sanlk_resourced rd;
char lock_lv_name[MAX_ARGS+1]; char lock_lv_name[MAX_ARGS+1];
char lock_args_version[MAX_VERSION+1]; char lock_args_version[MAX_VERSION+1];
uint64_t offset; uint64_t offset;
int align_size = lms->align_size;
int rv; int rv;
memset(&rd, 0, sizeof(rd)); memset(&rd, 0, sizeof(rd));
@ -717,7 +787,7 @@ int lm_init_lv_sanlock(char *ls_name, char *vg_name, char *lv_name,
rv = lock_lv_name_from_args(vg_args, lock_lv_name); rv = lock_lv_name_from_args(vg_args, lock_lv_name);
if (rv < 0) { if (rv < 0) {
log_error("S %s init_lv_san lock_lv_name_from_args error %d %s", log_error("S %s init_lv_san lock_lv_name_from_args error %d %s",
ls_name, rv, vg_args); ls->name, rv, vg_args);
return rv; return rv;
} }
@ -725,7 +795,6 @@ int lm_init_lv_sanlock(char *ls_name, char *vg_name, char *lv_name,
LV_LOCK_ARGS_MAJOR, LV_LOCK_ARGS_MINOR, LV_LOCK_ARGS_PATCH); LV_LOCK_ARGS_MAJOR, LV_LOCK_ARGS_MINOR, LV_LOCK_ARGS_PATCH);
if (daemon_test) { if (daemon_test) {
align_size = ONE_MB;
snprintf(lv_args, MAX_ARGS, "%s:%llu", snprintf(lv_args, MAX_ARGS, "%s:%llu",
lock_args_version, lock_args_version,
(unsigned long long)((align_size * LV_LOCK_BEGIN) + (align_size * daemon_test_lv_count))); (unsigned long long)((align_size * LV_LOCK_BEGIN) + (align_size * daemon_test_lv_count)));
@ -733,42 +802,15 @@ int lm_init_lv_sanlock(char *ls_name, char *vg_name, char *lv_name,
return 0; return 0;
} }
strcpy_name_len(rd.rs.lockspace_name, ls_name, SANLK_NAME_LEN); strcpy_name_len(rd.rs.lockspace_name, ls->name, SANLK_NAME_LEN);
rd.rs.num_disks = 1; rd.rs.num_disks = 1;
if ((rv = build_dm_path(rd.rs.disks[0].path, SANLK_PATH_LEN, vg_name, lock_lv_name))) if ((rv = build_dm_path(rd.rs.disks[0].path, SANLK_PATH_LEN, ls->vg_name, lock_lv_name)))
return rv; return rv;
/* rd.rs.flags = lms->rs_flags;
* These should not usually be zero, maybe only the first time this function is called?
* We need to use the same sector/align sizes that are already being used.
*/
if (!sector_size || !align_size) {
rv = get_sizes_lockspace(rd.rs.disks[0].path, &sector_size, &align_size);
if (rv < 0) {
log_error("S %s init_lv_san read_lockspace error %d %s",
ls_name, rv, rd.rs.disks[0].path);
return rv;
}
if (sector_size) if (ls->free_lock_offset)
log_debug("S %s init_lv_san found ls sector_size %d align_size %d", ls_name, sector_size, align_size); offset = ls->free_lock_offset;
else {
/* use the old method */
align_size = sanlock_align(&rd.rs.disks[0]);
if (align_size <= 0) {
log_error("S %s init_lv_san align error %d", ls_name, align_size);
return -EINVAL;
}
sector_size = (align_size == ONE_MB) ? 512 : 4096;
log_debug("S %s init_lv_san found old sector_size %d align_size %d", ls_name, sector_size, align_size);
}
}
rd.rs.flags = (sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) :
(SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M);
if (free_offset)
offset = free_offset;
else else
offset = align_size * LV_LOCK_BEGIN; offset = align_size * LV_LOCK_BEGIN;
rd.rs.disks[0].offset = offset; rd.rs.disks[0].offset = offset;
@ -782,20 +824,20 @@ int lm_init_lv_sanlock(char *ls_name, char *vg_name, char *lv_name,
if (rv == -EMSGSIZE || rv == -ENOSPC) { if (rv == -EMSGSIZE || rv == -ENOSPC) {
/* This indicates the end of the device is reached. */ /* This indicates the end of the device is reached. */
log_debug("S %s init_lv_san read limit offset %llu", log_debug("S %s init_lv_san read limit offset %llu",
ls_name, (unsigned long long)offset); ls->name, (unsigned long long)offset);
rv = -EMSGSIZE; rv = -EMSGSIZE;
return rv; return rv;
} }
if (rv && rv != SANLK_LEADER_MAGIC) { if (rv && rv != SANLK_LEADER_MAGIC) {
log_error("S %s init_lv_san read error %d offset %llu", log_error("S %s init_lv_san read error %d offset %llu",
ls_name, rv, (unsigned long long)offset); ls->name, rv, (unsigned long long)offset);
break; break;
} }
if (!strncmp(rd.rs.name, lv_name, SANLK_NAME_LEN)) { if (!strncmp(rd.rs.name, lv_name, SANLK_NAME_LEN)) {
log_error("S %s init_lv_san resource name %s already exists at %llu", log_error("S %s init_lv_san resource name %s already exists at %llu",
ls_name, lv_name, (unsigned long long)offset); ls->name, lv_name, (unsigned long long)offset);
return -EEXIST; return -EEXIST;
} }
@ -806,11 +848,10 @@ int lm_init_lv_sanlock(char *ls_name, char *vg_name, char *lv_name,
*/ */
if ((rv == SANLK_LEADER_MAGIC) || !strcmp(rd.rs.name, "#unused")) { if ((rv == SANLK_LEADER_MAGIC) || !strcmp(rd.rs.name, "#unused")) {
log_debug("S %s init_lv_san %s found unused area at %llu", log_debug("S %s init_lv_san %s found unused area at %llu",
ls_name, lv_name, (unsigned long long)offset); ls->name, lv_name, (unsigned long long)offset);
strcpy_name_len(rd.rs.name, lv_name, SANLK_NAME_LEN); strcpy_name_len(rd.rs.name, lv_name, SANLK_NAME_LEN);
rd.rs.flags = (sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) : rd.rs.flags = lms->rs_flags;
(SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M);
rv = sanlock_write_resource(&rd.rs, 0, 0, 0); rv = sanlock_write_resource(&rd.rs, 0, 0, 0);
if (!rv) { if (!rv) {
@ -818,7 +859,7 @@ int lm_init_lv_sanlock(char *ls_name, char *vg_name, char *lv_name,
lock_args_version, (unsigned long long)offset); lock_args_version, (unsigned long long)offset);
} else { } else {
log_error("S %s init_lv_san write error %d offset %llu", log_error("S %s init_lv_san write error %d offset %llu",
ls_name, rv, (unsigned long long)rv); ls->name, rv, (unsigned long long)rv);
} }
break; break;
} }
@ -887,12 +928,19 @@ int lm_rename_vg_sanlock(char *ls_name, char *vg_name, uint32_t flags, char *vg_
return rv; return rv;
} }
if ((ss.flags & SANLK_LSF_SECTOR4K) && (ss.flags & SANLK_LSF_ALIGN8M)) { if (ss.flags & SANLK_LSF_SECTOR512) {
sector_size = 4096;
align_size = 8 * ONE_MB;
} else if ((ss.flags & SANLK_LSF_SECTOR512) && (ss.flags & SANLK_LSF_ALIGN1M)) {
sector_size = 512; sector_size = 512;
align_size = ONE_MB; align_size = ONE_MB;
} else if (ss.flags & SANLK_LSF_SECTOR4K) {
sector_size = 4096;
if (ss.flags & SANLK_LSF_ALIGN8M)
align_size = 8 * ONE_MB;
else if (ss.flags & SANLK_LSF_ALIGN4M)
align_size = 4 * ONE_MB;
else if (ss.flags & SANLK_LSF_ALIGN2M)
align_size = 2 * ONE_MB;
else if (ss.flags & SANLK_LSF_ALIGN1M)
align_size = ONE_MB;
} else { } else {
/* use the old method */ /* use the old method */
align_size = sanlock_align(&ss.host_id_disk); align_size = sanlock_align(&ss.host_id_disk);
@ -1061,10 +1109,8 @@ int lm_ex_disable_gl_sanlock(struct lockspace *ls)
memcpy(rd1.rs.disks[0].path, lms->ss.host_id_disk.path, SANLK_PATH_LEN-1); memcpy(rd1.rs.disks[0].path, lms->ss.host_id_disk.path, SANLK_PATH_LEN-1);
rd1.rs.disks[0].offset = lms->align_size * GL_LOCK_BEGIN; rd1.rs.disks[0].offset = lms->align_size * GL_LOCK_BEGIN;
rd1.rs.flags = (lms->sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) : rd1.rs.flags = lms->rs_flags;
(SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M); rd2.rs.flags = lms->rs_flags;
rd2.rs.flags = (lms->sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) :
(SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M);
rv = sanlock_acquire(lms->sock, -1, 0, 1, &rs1, NULL); rv = sanlock_acquire(lms->sock, -1, 0, 1, &rs1, NULL);
if (rv < 0) { if (rv < 0) {
@ -1126,8 +1172,7 @@ int lm_able_gl_sanlock(struct lockspace *ls, int enable)
rd.rs.num_disks = 1; rd.rs.num_disks = 1;
memcpy(rd.rs.disks[0].path, lms->ss.host_id_disk.path, SANLK_PATH_LEN-1); memcpy(rd.rs.disks[0].path, lms->ss.host_id_disk.path, SANLK_PATH_LEN-1);
rd.rs.disks[0].offset = lms->align_size * GL_LOCK_BEGIN; rd.rs.disks[0].offset = lms->align_size * GL_LOCK_BEGIN;
rd.rs.flags = (lms->sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) : rd.rs.flags = lms->rs_flags;
(SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M);
rv = sanlock_write_resource(&rd.rs, 0, 0, 0); rv = sanlock_write_resource(&rd.rs, 0, 0, 0);
if (rv < 0) { if (rv < 0) {
@ -1211,7 +1256,7 @@ int lm_gl_is_enabled(struct lockspace *ls)
* been disabled.) * been disabled.)
*/ */
int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes, uint64_t *free_offset, int *sector_size, int *align_size) int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes)
{ {
struct lm_sanlock *lms = (struct lm_sanlock *)ls->lm_data; struct lm_sanlock *lms = (struct lm_sanlock *)ls->lm_data;
struct sanlk_resourced rd; struct sanlk_resourced rd;
@ -1221,22 +1266,16 @@ int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes, uint
int round = 0; int round = 0;
if (daemon_test) { if (daemon_test) {
*free_offset = (ONE_MB * LV_LOCK_BEGIN) + (ONE_MB * (daemon_test_lv_count + 1)); ls->free_lock_offset = (ONE_MB * LV_LOCK_BEGIN) + (ONE_MB * (daemon_test_lv_count + 1));
*sector_size = 512;
*align_size = ONE_MB;
return 0; return 0;
} }
*sector_size = lms->sector_size;
*align_size = lms->align_size;
memset(&rd, 0, sizeof(rd)); memset(&rd, 0, sizeof(rd));
strcpy_name_len(rd.rs.lockspace_name, ls->name, SANLK_NAME_LEN); strcpy_name_len(rd.rs.lockspace_name, ls->name, SANLK_NAME_LEN);
rd.rs.num_disks = 1; rd.rs.num_disks = 1;
memcpy(rd.rs.disks[0].path, lms->ss.host_id_disk.path, SANLK_PATH_LEN-1); memcpy(rd.rs.disks[0].path, lms->ss.host_id_disk.path, SANLK_PATH_LEN-1);
rd.rs.flags = (lms->sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) : rd.rs.flags = lms->rs_flags;
(SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M);
if (ls->free_lock_offset) if (ls->free_lock_offset)
offset = ls->free_lock_offset; offset = ls->free_lock_offset;
@ -1270,7 +1309,7 @@ int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes, uint
/* remember the NO SPACE offset, if no free area left, /* remember the NO SPACE offset, if no free area left,
* search from this offset after extend */ * search from this offset after extend */
*free_offset = offset; ls->free_lock_offset = offset;
offset = lms->align_size * LV_LOCK_BEGIN; offset = lms->align_size * LV_LOCK_BEGIN;
round = 1; round = 1;
@ -1288,7 +1327,7 @@ int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes, uint
/* remember the NO SPACE offset, if no free area left, /* remember the NO SPACE offset, if no free area left,
* search from this offset after extend */ * search from this offset after extend */
*free_offset = offset; ls->free_lock_offset = offset;
offset = lms->align_size * LV_LOCK_BEGIN; offset = lms->align_size * LV_LOCK_BEGIN;
round = 1; round = 1;
@ -1303,7 +1342,7 @@ int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes, uint
if (rv == SANLK_LEADER_MAGIC) { if (rv == SANLK_LEADER_MAGIC) {
log_debug("S %s find_free_lock_san found empty area at %llu", log_debug("S %s find_free_lock_san found empty area at %llu",
ls->name, (unsigned long long)offset); ls->name, (unsigned long long)offset);
*free_offset = offset; ls->free_lock_offset = offset;
return 0; return 0;
} }
@ -1316,7 +1355,7 @@ int lm_find_free_lock_sanlock(struct lockspace *ls, uint64_t lv_size_bytes, uint
if (!strcmp(rd.rs.name, "#unused")) { if (!strcmp(rd.rs.name, "#unused")) {
log_debug("S %s find_free_lock_san found unused area at %llu", log_debug("S %s find_free_lock_san found unused area at %llu",
ls->name, (unsigned long long)offset); ls->name, (unsigned long long)offset);
*free_offset = offset; ls->free_lock_offset = offset;
return 0; return 0;
} }
@ -1358,8 +1397,11 @@ int lm_prepare_lockspace_sanlock(struct lockspace *ls)
char disk_path[SANLK_PATH_LEN]; char disk_path[SANLK_PATH_LEN];
char killpath[SANLK_PATH_LEN]; char killpath[SANLK_PATH_LEN];
char killargs[SANLK_PATH_LEN]; char killargs[SANLK_PATH_LEN];
uint32_t ss_flags = 0;
uint32_t rs_flags = 0;
int sector_size = 0; int sector_size = 0;
int align_size = 0; int align_size = 0;
int align_mb = 0;
int gl_found; int gl_found;
int ret, rv; int ret, rv;
@ -1447,6 +1489,8 @@ int lm_prepare_lockspace_sanlock(struct lockspace *ls)
strncpy(gl_lsname_sanlock, lsname, MAX_NAME); strncpy(gl_lsname_sanlock, lsname, MAX_NAME);
log_debug("S %s prepare_lockspace_san use global lock", lsname); log_debug("S %s prepare_lockspace_san use global lock", lsname);
} }
lms->align_size = ONE_MB;
lms->sector_size = 512;
goto out; goto out;
} }
@ -1474,7 +1518,7 @@ int lm_prepare_lockspace_sanlock(struct lockspace *ls)
goto fail; goto fail;
} }
rv = get_sizes_lockspace(disk_path, &sector_size, &align_size); rv = get_sizes_lockspace(disk_path, &sector_size, &align_size, &align_mb, &ss_flags, &rs_flags);
if (rv < 0) { if (rv < 0) {
log_error("S %s prepare_lockspace_san cannot get sector/align sizes %d", lsname, rv); log_error("S %s prepare_lockspace_san cannot get sector/align sizes %d", lsname, rv);
ret = -EMANAGER; ret = -EMANAGER;
@ -1494,13 +1538,27 @@ int lm_prepare_lockspace_sanlock(struct lockspace *ls)
log_debug("S %s prepare_lockspace_san found old sector_size %d align_size %d", lsname, sector_size, align_size); log_debug("S %s prepare_lockspace_san found old sector_size %d align_size %d", lsname, sector_size, align_size);
} }
log_debug("S %s prepare_lockspace_san sizes %d %d", lsname, sector_size, align_size); log_debug("S %s prepare_lockspace_san sector_size %d align_mb %d align_size %d",
lsname, sector_size, align_mb, align_size);
if (sector_size == 4096) {
if (((align_mb == 1) && (ls->host_id > 250)) ||
((align_mb == 2) && (ls->host_id > 500)) ||
((align_mb == 4) && (ls->host_id > 1000)) ||
((align_mb == 8) && (ls->host_id > 2000))) {
log_error("S %s prepare_lockspace_san invalid host_id %llu for align %d MiB",
lsname, (unsigned long long)ls->host_id, align_mb);
ret = -EHOSTID;
goto fail;
}
}
lms->align_size = align_size; lms->align_size = align_size;
lms->sector_size = sector_size; lms->sector_size = sector_size;
lms->ss_flags = ss_flags;
lms->rs_flags = rs_flags;
lms->ss.flags = (sector_size == 4096) ? (SANLK_LSF_SECTOR4K | SANLK_LSF_ALIGN8M) : lms->ss.flags = ss_flags;
(SANLK_LSF_SECTOR512 | SANLK_LSF_ALIGN1M);
gl_found = gl_is_enabled(ls, lms); gl_found = gl_is_enabled(ls, lms);
if (gl_found < 0) { if (gl_found < 0) {
@ -1642,7 +1700,7 @@ static int lm_add_resource_sanlock(struct lockspace *ls, struct resource *r)
strcpy_name_len(rds->rs.name, r->name, SANLK_NAME_LEN); strcpy_name_len(rds->rs.name, r->name, SANLK_NAME_LEN);
rds->rs.num_disks = 1; rds->rs.num_disks = 1;
memcpy(rds->rs.disks[0].path, lms->ss.host_id_disk.path, SANLK_PATH_LEN); memcpy(rds->rs.disks[0].path, lms->ss.host_id_disk.path, SANLK_PATH_LEN);
rds->rs.flags = (lms->sector_size == 4096) ? (SANLK_RES_SECTOR4K | SANLK_RES_ALIGN8M) : (SANLK_RES_SECTOR512 | SANLK_RES_ALIGN1M); rds->rs.flags = lms->rs_flags;
if (r->type == LD_RT_GL) if (r->type == LD_RT_GL)
rds->rs.disks[0].offset = GL_LOCK_BEGIN * lms->align_size; rds->rs.disks[0].offset = GL_LOCK_BEGIN * lms->align_size;

15
lib/config/config_settings.h
View File

@ -1189,6 +1189,14 @@ cfg(global_sanlock_lv_extend_CFG, "sanlock_lv_extend", global_CFG_SECTION, CFG_D
"and can cause lvcreate to fail. Applicable only if LVM is compiled\n" "and can cause lvcreate to fail. Applicable only if LVM is compiled\n"
"with lockd support\n") "with lockd support\n")
cfg(global_sanlock_align_size_CFG, "sanlock_align_size", global_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_INT, DEFAULT_SANLOCK_ALIGN_SIZE, vsn(2, 3, 27), NULL, 0, NULL,
"The sanlock lease size in MiB to use on disks with a 4K sector size.\n"
"Possible values are 1,2,4,8. The default is 8, which supports up to\n"
"2000 hosts (and max host_id 2000.) Smaller values support smaller\n"
"numbers of max hosts (and max host_ids): 250, 500, 1000, 2000 for\n"
"lease sizes 1,2,4,8. Disks with 512 byte sectors always use 1MiB\n"
"leases and support 2000 hosts, and are not affected by this setting.\n")
cfg(global_lvmlockctl_kill_command_CFG, "lvmlockctl_kill_command", global_CFG_SECTION, CFG_ALLOW_EMPTY | CFG_DEFAULT_COMMENTED, CFG_TYPE_STRING, "", vsn(2, 3, 12), NULL, 0, NULL, cfg(global_lvmlockctl_kill_command_CFG, "lvmlockctl_kill_command", global_CFG_SECTION, CFG_ALLOW_EMPTY | CFG_DEFAULT_COMMENTED, CFG_TYPE_STRING, "", vsn(2, 3, 12), NULL, 0, NULL,
"The command that lvmlockctl --kill should use to force LVs offline.\n" "The command that lvmlockctl --kill should use to force LVs offline.\n"
"The lvmlockctl --kill command is run when a shared VG has lost\n" "The lvmlockctl --kill command is run when a shared VG has lost\n"
@ -2267,8 +2275,9 @@ cfg_array(local_extra_system_ids_CFG, "extra_system_ids", local_CFG_SECTION, CFG
"correct usage and possible dangers.\n") "correct usage and possible dangers.\n")
cfg(local_host_id_CFG, "host_id", local_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_INT, 0, vsn(2, 2, 124), NULL, 0, NULL, cfg(local_host_id_CFG, "host_id", local_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_INT, 0, vsn(2, 2, 124), NULL, 0, NULL,
"The lvmlockd sanlock host_id.\n" "The sanlock host_id used by lvmlockd. This must be unique among all the hosts\n"
"This must be unique among all hosts, and must be between 1 and 2000.\n" "using shared VGs with sanlock. Accepted values are 1-2000, except when sanlock_align_size\n"
"Applicable only if LVM is compiled with lockd support\n") "is configured to 1, 2 or 4, which correspond to max host_id values of 250, 500, or 1000.\n"
"Applicable only if LVM is compiled with support for lvmlockd+sanlock.\n")
cfg(CFG_COUNT, NULL, root_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_INT, 0, vsn(0, 0, 0), NULL, 0, NULL, NULL) cfg(CFG_COUNT, NULL, root_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_INT, 0, vsn(0, 0, 0), NULL, 0, NULL, NULL)

1
lib/config/defaults.h
View File

@ -72,6 +72,7 @@
#define DEFAULT_USE_AIO 1 #define DEFAULT_USE_AIO 1
#define DEFAULT_SANLOCK_LV_EXTEND_MB 256 #define DEFAULT_SANLOCK_LV_EXTEND_MB 256
#define DEFAULT_SANLOCK_ALIGN_SIZE 8 /* in MiB, applies to 4K disks only */
#define DEFAULT_MIRRORLOG MIRROR_LOG_DISK #define DEFAULT_MIRRORLOG MIRROR_LOG_DISK
#define DEFAULT_MIRROR_LOG_FAULT_POLICY "allocate" #define DEFAULT_MIRROR_LOG_FAULT_POLICY "allocate"

56
lib/locking/lvmlockd.c
View File

@ -867,7 +867,9 @@ static int _init_vg_sanlock(struct cmd_context *cmd, struct volume_group *vg, in
const char *opts = NULL; const char *opts = NULL;
struct pv_list *pvl; struct pv_list *pvl;
uint32_t sector_size = 0; uint32_t sector_size = 0;
uint32_t align_size = 0;
unsigned int physical_block_size, logical_block_size; unsigned int physical_block_size, logical_block_size;
int host_id;
int num_mb = 0; int num_mb = 0;
int result; int result;
int ret; int ret;
@ -894,11 +896,54 @@ static int _init_vg_sanlock(struct cmd_context *cmd, struct volume_group *vg, in
log_debug("Using sector size %u for sanlock LV", sector_size); log_debug("Using sector size %u for sanlock LV", sector_size);
/* Base starting size of sanlock LV is 256MB/1GB for 512/4K sectors */ host_id = find_config_tree_int(cmd, local_host_id_CFG, NULL);
switch (sector_size) {
case 512: num_mb = 256; break; /*
case 4096: num_mb = 1024; break; * Starting size of lvmlock LV is 256MB/512MB/1GB depending
default: log_error("Unknown sector size %u.", sector_size); return 0; * on sector_size/align_size, and max valid host_id depends
* on sector_size/align_size.
*/
if (sector_size == 4096) {
align_size = find_config_tree_int(cmd, global_sanlock_align_size_CFG, NULL);
if (align_size == 1) {
num_mb = 256;
if (host_id < 1 || host_id > 250) {
log_error("Invalid host_id %d, use 1-250 (sanlock_align_size is 1MiB).", host_id);
return 0;
}
} else if (align_size == 2) {
num_mb = 512;
if (host_id < 1 || host_id > 500) {
log_error("Invalid host_id %d, use 1-500 (sanlock_align_size is 2MiB).", host_id);
return 0;
}
} else if (align_size == 4) {
num_mb = 1024;
if (host_id < 1 || host_id > 1000) {
log_error("Invalid host_id %d, use 1-1000 (sanlock_align_size is 4MiB).", host_id);
return 0;
}
} else if (align_size == 8) {
num_mb = 1024;
if (host_id < 1 || host_id > 2000) {
log_error("Invalid host_id %d, use 1-2000 (sanlock_align_size is 8MiB).", host_id);
return 0;
}
} else {
log_error("Invalid sanlock_align_size %u, use 1,2,4,8.", align_size);
return 0;
}
} else if (sector_size == 512) {
num_mb = 256;
if (host_id < 1 || host_id > 2000) {
log_error("Invalid host_id %d, use 1-2000.", host_id);
return 0;
}
} else {
log_error("Unsupported sector size %u.", sector_size);
return 0;
} }
/* /*
@ -936,6 +981,7 @@ static int _init_vg_sanlock(struct cmd_context *cmd, struct volume_group *vg, in
"vg_name = %s", vg->name, "vg_name = %s", vg->name,
"vg_lock_type = %s", "sanlock", "vg_lock_type = %s", "sanlock",
"vg_lock_args = %s", vg->sanlock_lv->name, "vg_lock_args = %s", vg->sanlock_lv->name,
"align_mb = " FMTd64, (int64_t) align_size,
"opts = %s", opts ?: "none", "opts = %s", opts ?: "none",
NULL); NULL);