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-rw-r--r--extra/mariabackup/xtrabackup.cc62
1 files changed, 54 insertions, 8 deletions
diff --git a/extra/mariabackup/xtrabackup.cc b/extra/mariabackup/xtrabackup.cc
index 7872438d51c..ebb5f7f3673 100644
--- a/extra/mariabackup/xtrabackup.cc
+++ b/extra/mariabackup/xtrabackup.cc
@@ -4,7 +4,7 @@ MariaBackup: hot backup tool for InnoDB
Originally Created 3/3/2009 Yasufumi Kinoshita
Written by Alexey Kopytov, Aleksandr Kuzminsky, Stewart Smith, Vadim Tkachenko,
Yasufumi Kinoshita, Ignacio Nin and Baron Schwartz.
-(c) 2017, 2020, MariaDB Corporation.
+(c) 2017, 2021, MariaDB Corporation.
Portions written by Marko Mäkelä.
This program is free software; you can redistribute it and/or modify
@@ -267,6 +267,12 @@ 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;
@@ -1043,7 +1049,8 @@ enum options_xtrabackup
OPT_ROCKSDB_DATADIR,
OPT_BACKUP_ROCKSDB,
OPT_XTRA_CHECK_PRIVILEGES,
- OPT_XB_IGNORE_INNODB_PAGE_CORRUPTION
+ OPT_XB_IGNORE_INNODB_PAGE_CORRUPTION,
+ OPT_INNODB_FORCE_RECOVERY
};
struct my_option xb_client_options[]= {
@@ -1671,6 +1678,13 @@ 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},
+
{ 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};
@@ -1802,24 +1816,26 @@ static int prepare_export()
" --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,
+ 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);
@@ -1980,6 +1996,13 @@ xb_get_one_option(int optid,
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;
@@ -2234,6 +2257,29 @@ 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