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pg_upgrade: detect stale postmaster.pid lock files

Browse Source 
If the postmaster.pid lock file exists, try starting/stopping the
cluster to check if the lock file is valid.

Per request from Tom.
This commit is contained in:
Bruce Momjian
2013-01-24 15:20:11 -05:00
parent 74ebba84ae
commit a9ceaa53be
5 changed files with 54 additions and 30 deletions
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11
contrib/pg_upgrade/check.c
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@ -56,11 +56,10 @@ fix_path_separator(char *path)
}
void
output_check_banner(bool *live_check)
output_check_banner(bool live_check)
{
if (user_opts.check && is_server_running(old_cluster.pgdata))
if (user_opts.check && live_check)
{
*live_check = true;
pg_log(PG_REPORT, "Performing Consistency Checks on Old Live Server\n");
pg_log(PG_REPORT, "------------------------------------------------\n");
}
@ -78,7 +77,7 @@ check_and_dump_old_cluster(bool live_check, char **sequence_script_file_name)
/* -- OLD -- */
if (!live_check)
start_postmaster(&old_cluster);
start_postmaster(&old_cluster, true);
set_locale_and_encoding(&old_cluster);
@ -201,7 +200,7 @@ issue_warnings(char *sequence_script_file_name)
/* old = PG 8.3 warnings? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 803)
{
start_postmaster(&new_cluster);
start_postmaster(&new_cluster, true);
/* restore proper sequence values using file created from old server */
if (sequence_script_file_name)
@ -224,7 +223,7 @@ issue_warnings(char *sequence_script_file_name)
/* Create dummy large object permissions for old < PG 9.0? */
if (GET_MAJOR_VERSION(old_cluster.major_version) <= 804)
{
start_postmaster(&new_cluster);
start_postmaster(&new_cluster, true);
new_9_0_populate_pg_largeobject_metadata(&new_cluster, false);
stop_postmaster(false);
}