diff options
Diffstat (limited to 'extra/mariabackup/xtrabackup.cc')
| -rw-r--r-- | extra/mariabackup/xtrabackup.cc | 68 |
1 files changed, 58 insertions, 10 deletions
diff --git a/extra/mariabackup/xtrabackup.cc b/extra/mariabackup/xtrabackup.cc index 37791d9dca7..c392ca70ed6 100644 --- a/extra/mariabackup/xtrabackup.cc +++ b/extra/mariabackup/xtrabackup.cc @@ -262,6 +262,12 @@ static char *xtrabackup_debug_sync = NULL; my_bool xtrabackup_incremental_force_scan = FALSE; +/* + * Ignore corrupt pages (disabled by default; used + * by "innobackupex" as a command line argument). + */ +ulong xtrabackup_innodb_force_recovery = 0; + /* The flushed lsn which is read from data files */ lsn_t flushed_lsn= 0; @@ -1013,7 +1019,8 @@ enum options_xtrabackup OPT_BACKUP_ROCKSDB, OPT_XTRA_CHECK_PRIVILEGES, OPT_XTRA_MYSQLD_ARGS, - OPT_XB_IGNORE_INNODB_PAGE_CORRUPTION + OPT_XB_IGNORE_INNODB_PAGE_CORRUPTION, + OPT_INNODB_FORCE_RECOVERY }; struct my_option xb_client_options[]= { @@ -1633,6 +1640,13 @@ struct my_option xb_server_options[] = &opt_check_privileges, &opt_check_privileges, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0 }, + {"innodb_force_recovery", OPT_INNODB_FORCE_RECOVERY, + "(for --prepare): Crash recovery mode (ignores " + "page corruption; for emergencies only).", + (G_PTR*)&srv_force_recovery, + (G_PTR*)&srv_force_recovery, + 0, GET_ULONG, OPT_ARG, 0, 0, SRV_FORCE_IGNORE_CORRUPT, 0, 0, 0}, + {"mysqld-args", OPT_XTRA_MYSQLD_ARGS, "All arguments that follow this argument are considered as server " "options, and if some of them are not supported by mariabackup, they " @@ -1769,31 +1783,33 @@ static int prepare_export() // Process defaults-file , it can have some --lc-language stuff, // which is* unfortunately* still necessary to get mysqld up - if (strncmp(orig_argv1,"--defaults-file=",16) == 0) + if (strncmp(orig_argv1,"--defaults-file=", 16) == 0) { snprintf(cmdline, sizeof cmdline, - IF_WIN("\"","") "\"%s\" --mysqld \"%s\" " + IF_WIN("\"","") "\"%s\" --mysqld \"%s\"" " --defaults-extra-file=./backup-my.cnf --defaults-group-suffix=%s --datadir=." " --innodb --innodb-fast-shutdown=0 --loose-partition" " --innodb_purge_rseg_truncate_frequency=1 --innodb-buffer-pool-size=%llu" - " --console --skip-log-error --skip-log-bin --bootstrap < " + " --console --skip-log-error --skip-log-bin --bootstrap %s< " BOOTSTRAP_FILENAME IF_WIN("\"",""), - mariabackup_exe, + mariabackup_exe, orig_argv1, (my_defaults_group_suffix?my_defaults_group_suffix:""), - xtrabackup_use_memory); + xtrabackup_use_memory, + (srv_force_recovery ? "--innodb-force-recovery=1 " : "")); } else { - sprintf(cmdline, - IF_WIN("\"","") "\"%s\" --mysqld" + snprintf(cmdline, sizeof cmdline, + IF_WIN("\"","") "\"%s\" --mysqld" " --defaults-file=./backup-my.cnf --defaults-group-suffix=%s --datadir=." " --innodb --innodb-fast-shutdown=0 --loose-partition" " --innodb_purge_rseg_truncate_frequency=1 --innodb-buffer-pool-size=%llu" - " --console --log-error= --skip-log-bin --bootstrap < " + " --console --log-error= --skip-log-bin --bootstrap %s< " BOOTSTRAP_FILENAME IF_WIN("\"",""), mariabackup_exe, (my_defaults_group_suffix?my_defaults_group_suffix:""), - xtrabackup_use_memory); + xtrabackup_use_memory, + (srv_force_recovery ? "--innodb-force-recovery=1 " : "")); } msg("Prepare export : executing %s\n", cmdline); @@ -1940,6 +1956,13 @@ xb_get_one_option(const struct my_option *opt, ADD_PRINT_PARAM_OPT(innobase_buffer_pool_filename); break; + case OPT_INNODB_FORCE_RECOVERY: + + if (srv_force_recovery) { + ADD_PRINT_PARAM_OPT(srv_force_recovery); + } + break; + case OPT_XTRA_TARGET_DIR: strmake(xtrabackup_real_target_dir,argument, sizeof(xtrabackup_real_target_dir)-1); xtrabackup_target_dir= xtrabackup_real_target_dir; @@ -2178,6 +2201,29 @@ static bool innodb_init_param() srv_undo_dir = (char*) "."; } + compile_time_assert(SRV_FORCE_IGNORE_CORRUPT == 1); + + /* + * This option can be read both from the command line, and the + * defaults file. The assignment should account for both cases, + * and for "--innobackupex". Since the command line argument is + * parsed after the defaults file, it takes precedence. + */ + if (xtrabackup_innodb_force_recovery) { + srv_force_recovery = xtrabackup_innodb_force_recovery; + } + + if (srv_force_recovery >= SRV_FORCE_IGNORE_CORRUPT) { + if (!xtrabackup_prepare) { + msg("mariabackup: The option \"innodb_force_recovery\"" + " should only be used with \"%s\".", + (innobackupex_mode ? "--apply-log" : "--prepare")); + goto error; + } else { + msg("innodb_force_recovery = %lu", srv_force_recovery); + } + } + #ifdef _WIN32 srv_use_native_aio = TRUE; #endif @@ -6417,6 +6463,8 @@ int main(int argc, char **argv) char **client_defaults; char **backup_defaults; + my_getopt_prefix_matching= 0; + if (get_exepath(mariabackup_exe,FN_REFLEN, argv[0])) strncpy(mariabackup_exe,argv[0], FN_REFLEN-1); |