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-rw-r--r--extra/mariabackup/xtrabackup.cc19
1 files changed, 16 insertions, 3 deletions
diff --git a/extra/mariabackup/xtrabackup.cc b/extra/mariabackup/xtrabackup.cc
index 4845f51e6b2..231e3c04f16 100644
--- a/extra/mariabackup/xtrabackup.cc
+++ b/extra/mariabackup/xtrabackup.cc
@@ -2773,6 +2773,7 @@ static bool xtrabackup_copy_logfile(bool last = false)
ut_a(dst_log_file != NULL);
ut_ad(recv_sys != NULL);
+ bool overwritten_block;
lsn_t start_lsn;
lsn_t end_lsn;
@@ -2799,6 +2800,12 @@ static bool xtrabackup_copy_logfile(bool last = false)
}
if (lsn == start_lsn) {
+ overwritten_block= !recv_sys->found_corrupt_log
+ && (innodb_log_checksums || log_sys->log.is_encrypted())
+ && log_block_calc_checksum_crc32(log_sys->buf) ==
+ log_block_get_checksum(log_sys->buf)
+ && log_block_get_hdr_no(log_sys->buf) >
+ log_block_convert_lsn_to_no(start_lsn);
start_lsn = 0;
} else {
mutex_enter(&recv_sys->mutex);
@@ -2809,9 +2816,15 @@ static bool xtrabackup_copy_logfile(bool last = false)
log_mutex_exit();
if (!start_lsn) {
- die(recv_sys->found_corrupt_log
- ? "xtrabackup_copy_logfile() failed: corrupt log."
- : "xtrabackup_copy_logfile() failed.");
+ const char *reason = recv_sys->found_corrupt_log
+ ? "corrupt log."
+ : (overwritten_block
+ ? "redo log block is overwritten, please increase redo log size with innodb_log_file_size parameter."
+ : ((innodb_log_checksums || log_sys->log.is_encrypted())
+ ? "redo log block checksum does not match."
+ : "unknown reason as innodb_log_checksums is switched off and redo"
+ " log is not encrypted."));
+ die("xtrabackup_copy_logfile() failed: %s", reason);
return true;
}
} while (start_lsn == end_lsn);