diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/bin/pg_checksums/pg_checksums.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/bin/pg_checksums/pg_checksums.c b/src/bin/pg_checksums/pg_checksums.c index 7c7a75cdcd6..b8e7c32dba7 100644 --- a/src/bin/pg_checksums/pg_checksums.c +++ b/src/bin/pg_checksums/pg_checksums.c @@ -475,7 +475,7 @@ main(int argc, char *argv[]) exit(1); } - /* Check if cluster is running */ + /* Read the control file and check compatibility */ ControlFile = get_controlfile(DataDir, &crc_ok); if (!crc_ok) { @@ -497,6 +497,11 @@ main(int argc, char *argv[]) exit(1); } + /* + * Check if cluster is running. A clean shutdown is required to avoid + * random checksum failures caused by torn pages. Note that this doesn't + * guard against someone starting the cluster concurrently. + */ if (ControlFile->state != DB_SHUTDOWNED && ControlFile->state != DB_SHUTDOWNED_IN_RECOVERY) { |