diff options
Diffstat (limited to 'storage/xtradb/srv/srv0start.cc')
| -rw-r--r-- | storage/xtradb/srv/srv0start.cc | 68 |
1 files changed, 49 insertions, 19 deletions
diff --git a/storage/xtradb/srv/srv0start.cc b/storage/xtradb/srv/srv0start.cc index aa51012816d..14c7e05b57c 100644 --- a/storage/xtradb/srv/srv0start.cc +++ b/storage/xtradb/srv/srv0start.cc @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved. +Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved. Copyright (c) 2008, Google Inc. Copyright (c) 2009, Percona Inc. Copyright (c) 2013, 2017, MariaDB Corporation @@ -121,6 +121,9 @@ UNIV_INTERN ibool srv_have_fullfsync = FALSE; /** TRUE if a raw partition is in use */ UNIV_INTERN ibool srv_start_raw_disk_in_use = FALSE; +/** UNDO tablespaces starts with space id. */ +ulint srv_undo_space_id_start; + /** TRUE if the server is being started, before rolling back any incomplete transactions */ UNIV_INTERN ibool srv_startup_is_before_trx_rollback_phase = FALSE; @@ -139,8 +142,8 @@ UNIV_INTERN uint srv_sys_space_size_debug; SRV_SHUTDOWN_CLEANUP and then to SRV_SHUTDOWN_LAST_PHASE, and so on */ UNIV_INTERN enum srv_shutdown_state srv_shutdown_state = SRV_SHUTDOWN_NONE; -/** Files comprising the system tablespace */ -os_file_t files[1000]; +/** Files comprising the system tablespace. Also used by Mariabackup. */ +UNIV_INTERN pfs_os_file_t files[1000]; /** io_handler_thread parameters for thread identification */ static ulint n[SRV_MAX_N_IO_THREADS]; @@ -584,7 +587,7 @@ static MY_ATTRIBUTE((nonnull, warn_unused_result)) dberr_t create_log_file( /*============*/ - os_file_t* file, /*!< out: file handle */ + pfs_os_file_t* file, /*!< out: file handle */ const char* name) /*!< in: log file name */ { ibool ret; @@ -802,7 +805,7 @@ static MY_ATTRIBUTE((nonnull, warn_unused_result)) dberr_t open_log_file( /*==========*/ - os_file_t* file, /*!< out: file handle */ + pfs_os_file_t* file, /*!< out: file handle */ const char* name, /*!< in: log file name */ os_offset_t* size) /*!< out: file size */ { @@ -919,7 +922,7 @@ open_or_create_data_files( && os_file_get_last_error(false) != OS_FILE_ALREADY_EXISTS #ifdef UNIV_AIX - /* AIX 5.1 after security patch ML7 may have + /* AIX 5.1 after security patch ML7 may have errno set to 0 here, which causes our function to return 100; work around that AIX problem */ @@ -1221,7 +1224,7 @@ srv_undo_tablespace_create( const char* name, /*!< in: tablespace name */ ulint size) /*!< in: tablespace size in pages */ { - os_file_t fh; + pfs_os_file_t fh; ibool ret; dberr_t err = DB_SUCCESS; @@ -1299,7 +1302,7 @@ srv_undo_tablespace_open( const char* name, /*!< in: tablespace name */ ulint space) /*!< in: tablespace id */ { - os_file_t fh; + pfs_os_file_t fh; dberr_t err = DB_ERROR; ibool ret; ulint flags; @@ -1404,13 +1407,23 @@ srv_undo_tablespaces_init( for (i = 0; create_new_db && i < n_conf_tablespaces; ++i) { char name[OS_FILE_MAX_PATH]; + ulint space_id = i + 1; + + DBUG_EXECUTE_IF("innodb_undo_upgrade", + space_id = i + 3;); ut_snprintf( name, sizeof(name), "%s%cundo%03lu", - srv_undo_dir, SRV_PATH_SEPARATOR, i + 1); + srv_undo_dir, SRV_PATH_SEPARATOR, space_id); + + if (i == 0) { + srv_undo_space_id_start = space_id; + prev_space_id = srv_undo_space_id_start - 1; + } + + undo_tablespace_ids[i] = space_id; - /* Undo space ids start from 1. */ err = srv_undo_tablespace_create( name, SRV_UNDO_TABLESPACE_SIZE_IN_PAGES); @@ -1432,14 +1445,16 @@ srv_undo_tablespaces_init( if (!create_new_db && !backup_mode) { n_undo_tablespaces = trx_rseg_get_n_undo_tablespaces( undo_tablespace_ids); - } else { - n_undo_tablespaces = n_conf_tablespaces; - for (i = 1; i <= n_undo_tablespaces; ++i) { - undo_tablespace_ids[i - 1] = i; + if (n_undo_tablespaces != 0) { + srv_undo_space_id_start = undo_tablespace_ids[0]; + prev_space_id = srv_undo_space_id_start - 1; } - undo_tablespace_ids[i] = ULINT_UNDEFINED; + } else { + n_undo_tablespaces = n_conf_tablespaces; + + undo_tablespace_ids[n_conf_tablespaces] = ULINT_UNDEFINED; } /* Open all the undo tablespaces that are currently in use. If we @@ -1463,8 +1478,6 @@ srv_undo_tablespaces_init( ut_a(undo_tablespace_ids[i] != 0); ut_a(undo_tablespace_ids[i] != ULINT_UNDEFINED); - /* Undo space ids start from 1. */ - err = srv_undo_tablespace_open(name, undo_tablespace_ids[i]); if (err != DB_SUCCESS) { @@ -1499,11 +1512,23 @@ srv_undo_tablespaces_init( break; } + /** Note the first undo tablespace id in case of + no active undo tablespace. */ + if (n_undo_tablespaces == 0) { + srv_undo_space_id_start = i; + } + ++n_undo_tablespaces; ++*n_opened; } + /** Explictly specify the srv_undo_space_id_start + as zero when there are no undo tablespaces. */ + if (n_undo_tablespaces == 0) { + srv_undo_space_id_start = 0; + } + /* If the user says that there are fewer than what we find we tolerate that discrepancy but not the inverse. Because there could be unused undo tablespaces for future use. */ @@ -1548,10 +1573,11 @@ srv_undo_tablespaces_init( mtr_start(&mtr); /* The undo log tablespace */ - for (i = 1; i <= n_undo_tablespaces; ++i) { + for (i = 0; i < n_undo_tablespaces; ++i) { fsp_header_init( - i, SRV_UNDO_TABLESPACE_SIZE_IN_PAGES, &mtr); + undo_tablespace_ids[i], + SRV_UNDO_TABLESPACE_SIZE_IN_PAGES, &mtr); } mtr_commit(&mtr); @@ -1665,6 +1691,10 @@ innobase_start_or_create_for_mysql(void) /* This should be initialized early */ ut_init_timer(); + if (srv_force_recovery == SRV_FORCE_NO_LOG_REDO) { + srv_read_only_mode = 1; + } + high_level_read_only = srv_read_only_mode || srv_force_recovery > SRV_FORCE_NO_TRX_UNDO; |