??????? ?????????? ?????????? ???????????? ?????? EZCONNECT, ?.?. ?????? ???????? ?????? ??????????? ????:
//host:port/dbname

??? ?????? ?????? ???? ????? ??????????? ???????????? ? ?????????? ??????? ????? TNSNAMES, ????? ? ?????? ??????????? ?????????? ??????? ?????? dbname, ? ??? ????????? ????????????? ? tnsnames.ora ?????. ??? ???????????, ??????? ?????, ?????????? ????????. ??????- ???? ???????.

/zabbix-1.8.2/src/libs/zbxdb/db.c
--------------------
if (host && *host)

{ connect = zbx_strdcatf(connect, "//%s", host); if (port) connect = zbx_strdcatf(connect, ":%d", port); }

if (dbname && *dbname)

{ if (connect) connect = zbx_strdcat(connect, "/"); connect = zbx_strdcatf(connect, "%s", dbname); }

--------------------

/zabbix-1.8.2/frontends/php/include/db.inc.php
--------------------
case 'ORACLE':
$connect = '';
if (!empty($DB['SERVER']))

{ $connect = '//'.$DB['SERVER']; if ($DB['PORT'] != '0') $connect .= ':'.$DB['PORT']; }

if (!empty($DB['DATABASE']))

{ if (!empty($connect)) $connect .= '/'; $connect .= $DB['DATABASE']; }

---------------------

????????, ??? ?? ??????, ?.?. ?? ???? ? ?????????? ?????? ????????? ????.

???? ???????????? ??? ? ???? ?????:
https://support.zabbix.com/browse/ZBX-1578

??????????? ??? ???:
http://www.zabbix.com/forum/showthread.php?t=17563