Per analysis by Alvaro
Backpatch through 9.3
else if (new_cluster.controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER)
{
/*
- * Remove files created by initdb that no longer match the
- * new multi-xid value.
+ * Remove offsets/0000 file created by initdb that no longer matches
+ * the new multi-xid value. "members" starts at zero so no need to
+ * remove it.
*/
remove_new_subdir("pg_multixact/offsets", false);
- remove_new_subdir("pg_multixact/members", false);
prep_status("Setting oldest multixact ID on new cluster");