Database - Listener Ports -- Data transfer

Hi,
If there are two databases running on the server, Is it opt to configure unique listener port for the two databases? and what happens if a unique listener port configured?
Thanks
KSG
Edited by: KSG on Oct 16, 2011 11:53 PM
Hi Jgarry/Hemant
For client-server data transfer.
I understand like
First, the client send the request to the db server, the listener listens the connection and creates a database server process to handle the request (may be a query..
I just want to understand how the processed data information passes to the client.. i meant.. what are the ports involded to transfer the data back from db server to the client?
From Jgarry, I understand the data flow actually happens through a seperate data port (say it may be any port 1599 or someting).. So Do all the further traffic happens between client-server or server-client uses the same Data-port?
Im trying to understand the architectural flow of connectivity between clien-server and vice-versa. which will help to understand better.
My concern is..
we are establishing connectivity from client through TNS names. The server listenes the connectivity and creates a server session to execute the connectivity. Simply like.. a request made from client to database to listen service_name 'orcl', host=abc.com protocol=TCP port=1521. which is listen on the server side and the server recoganize the connectivity...
Here I'm trying to understand.. once the connectivity is established then there is no need of listener anymore. Even we can stop the listener. How the TCP portocol in the Oracle Net is going to establish the data flow between the servers (how the sequence of request and response happens).
If the TCP network layer is used to interact between the servers then how the data flows between the servers; like is it uses a seperate port number to send/receive the data.
Thanks
KSG
Thanks in advance
KSG
Edited by: KSG on Oct 16, 2011 11:55 PM
(added further required clarifications regarding data flow between client-server)

KSG wrote:
Hi,
listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /oracle/oracle10g/product/10.2.0/db_1)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.93.10.40)(PORT = 1521))
Tnsnames.ora
BANK1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.93.10.40)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = bank1)
BANK2 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.93.10.40)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = bank2)
)Here I have a single listener, where port 1521 is configured to two database. Is the configuration perfectly ok?.
Yes,these are right
How the client gets actual data transfer from both of these databases?
Clients wil connect using bank2 or bank1 descriptor and will connect bank1 or bank2 services which registered in your listener,You can see that using lsnrctl services command
Ex: If the client connets to the server 10.93.10.40, which ports are used to transfer data from database server to client server?
There used 1521 port to connecting .

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    21:55:43.861908 IP (tos 0x0, ttl  59, id 50285, offset 0, flags [DF], proto: TCP (6), length: 72) 172.x.x.x.1521 > 125.x.x.x.62008: P 9:41(32) ack 489 win 49680
    21:55:43.865341 IP (tos 0x0, ttl 126, id 24446, offset 0, flags [DF], proto: TCP (6), length: 196) 125.x.x.x.62008 > 172.x.x.x.1521: P 489:645(156) ack 41 win 64472
    21:55:43.867017 IP (tos 0x0, ttl  59, id 50286, offset 0, flags [DF], proto: TCP (6), length: 167) 172.x.x.x.1521 > 125.x.x.x.62008: P 41:168(127) ack 645 win 49680
    21:55:43.874836 IP (tos 0x0, ttl 126, id 24447, offset 0, flags [DF], proto: TCP (6), length: 77) 125.x.x.x.62008 > 172.x.x.x.1521: P 645:682(37) ack 168 win 64345
    21:55:43.876405 IP (tos 0x0, ttl  59, id 50287, offset 0, flags [DF], proto: TCP (6), length: 226) 172.x.x.x.1521 > 125.x.x.x.62008: P 168:354(186) ack 682 win 49680
    21:55:43.995921 IP (tos 0x0, ttl 126, id 24451, offset 0, flags [DF], proto: TCP (6), length: 1420) 125.x.x.x.62008 > 172.x.x.x.1521: . 682:2062(1380) ack 354 win 64159
    21:55:43.995978 IP (tos 0x0, ttl 126, id 24452, offset 0, flags [DF], proto: TCP (6), length: 671) 125.x.x.x.62008 > 172.x.x.x.1521: P 2062:2693(631) ack 354 win 64159
    21:55:43.999910 IP (tos 0x0, ttl  59, id 50288, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.62008: ., cksum 0xe18d (correct), 354:354(0) ack 2693 win 49680
    21:55:44.015402 IP (tos 0x0, ttl 126, id 24455, offset 0, flags [DF], proto: TCP (6), length: 326) 125.x.x.x.62008 > 172.x.x.x.1521: P 2693:2979(286) ack 354 win 64159
    21:55:44.020491 IP (tos 0x0, ttl  59, id 50289, offset 0, flags [DF], proto: TCP (6), length: 1420) 172.x.x.x.1521 > 125.x.x.x.62008: . 354:1734(1380) ack 2979 win 49680
    21:55:44.020789 IP (tos 0x0, ttl  59, id 50290, offset 0, flags [DF], proto: TCP (6), length: 671) 172.x.x.x.1521 > 125.x.x.x.62008: P 1734:2365(631) ack 2979 win 49680
    21:55:44.021015 IP (tos 0x0, ttl  59, id 50291, offset 0, flags [DF], proto: TCP (6), length: 355) 172.x.x.x.1521 > 125.x.x.x.62008: P 2365:2680(315) ack 2979 win 49680
    21:55:44.022489 IP (tos 0x0, ttl 126, id 24457, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.62008 > 172.x.x.x.1521: ., cksum 0x9ea4 (correct), 2979:2979(0) ack 2365 win 64512
    21:55:44.148236 IP (tos 0x0, ttl 126, id 24461, offset 0, flags [DF], proto: TCP (6), length: 215) 125.x.x.x.62008 > 172.x.x.x.1521: P 2979:3154(175) ack 2680 win 64197
    21:55:44.152125 IP (tos 0x0, ttl  59, id 50292, offset 0, flags [DF], proto: TCP (6), length: 187) 172.x.x.x.1521 > 125.x.x.x.62008: P 2680:2827(147) ack 3154 win 49680
    21:55:44.174040 IP (tos 0x0, ttl 126, id 24462, offset 0, flags [DF], proto: TCP (6), length: 1054) 125.x.x.x.62008 > 172.x.x.x.1521: P 3154:4168(1014) ack 2827 win 64050
    21:55:44.732635 IP (tos 0x0, ttl 126, id 24482, offset 0, flags [DF], proto: TCP (6), length: 1054) 125.x.x.x.62008 > 172.x.x.x.1521: P 3154:4168(1014) ack 2827 win 64050
    21:55:44.735346 IP (tos 0x0, ttl  59, id 50294, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.62008: ., cksum 0xcefc (correct), 3632:3632(0) ack 4168 win 49680
    21:56:17.076742 IP (tos 0x0, ttl 126, id 25631, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.62008 > 172.x.x.x.1521: R, cksum 0x942e (correct), 4168:4168(0) ack 2827 win 0
    *SQL session hangs here*The 'RESET' occurs when I kill the client using CTRL+C after a long period of inactivity, not during the session itself.
    And then.. Here's a successful login and query of 7 rows on the Oracle 9 database from a network perspective:
    SNORT01:~ # tcpdump -nni bond0 -vvv vlan and host 125.x.x.x and host 172.x.x.x -c 10000
    tcpdump: WARNING: bond0: no IPv4 address assigned
    tcpdump: listening on bond0, link-type EN10MB (Ethernet), capture size 68 bytes
    21:53:27.598450 IP (tos 0x0, ttl 126, id 19396, offset 0, flags [DF], proto: TCP (6), length: 48) 125.x.x.x.61937 > 172.x.x.x.1521: S, cksum 0xc9b4 (correct), 2519356327:2519356327(0) win 64512 <mss 1380,nop,nop,sackOK>
    21:53:27.612189 IP (tos 0x0, ttl  53, id 46015, offset 0, flags [DF], proto: TCP (6), length: 48) 172.x.x.x.1521 > 125.x.x.x.61937: S, cksum 0x1cdb (correct), 1010936359:1010936359(0) ack 2519356328 win 49680 <mss 1460,nop,nop,sackOK>
    21:53:27.612905 IP (tos 0x0, ttl 126, id 19398, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.61937 > 172.x.x.x.1521: ., cksum 0x0faf (correct), 1:1(0) ack 1 win 64512
    21:53:27.616233 IP (tos 0x0, ttl 126, id 19399, offset 0, flags [DF], proto: TCP (6), length: 321) 125.x.x.x.61937 > 172.x.x.x.1521: P 1:282(281) ack 1 win 64512
    21:53:27.629987 IP (tos 0x0, ttl  53, id 46016, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x4886 (correct), 1:1(0) ack 282 win 49680
    21:53:27.692135 IP (tos 0x0, ttl  53, id 46017, offset 0, flags [DF], proto: TCP (6), length: 48) 172.x.x.x.1521 > 125.x.x.x.61937: P, cksum 0x3d6e (correct), 1:9(8) ack 282 win 49680
    21:53:27.693603 IP (tos 0x0, ttl 126, id 19402, offset 0, flags [DF], proto: TCP (6), length: 321) 125.x.x.x.61937 > 172.x.x.x.1521: P 282:563(281) ack 9 win 64504
    21:53:27.707460 IP (tos 0x0, ttl  53, id 46018, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x4765 (correct), 9:9(0) ack 563 win 49680
    21:53:27.707883 IP (tos 0x0, ttl  53, id 46019, offset 0, flags [DF], proto: TCP (6), length: 72) 172.x.x.x.1521 > 125.x.x.x.61937: P 9:41(32) ack 563 win 49680
    21:53:27.711950 IP (tos 0x0, ttl 126, id 19403, offset 0, flags [DF], proto: TCP (6), length: 196) 125.x.x.x.61937 > 172.x.x.x.1521: P 563:719(156) ack 41 win 64472
    21:53:27.725971 IP (tos 0x0, ttl  53, id 46020, offset 0, flags [DF], proto: TCP (6), length: 167) 172.x.x.x.1521 > 125.x.x.x.61937: P 41:168(127) ack 719 win 49680
    21:53:27.734468 IP (tos 0x0, ttl 126, id 19405, offset 0, flags [DF], proto: TCP (6), length: 77) 125.x.x.x.61937 > 172.x.x.x.1521: P 719:756(37) ack 168 win 64345
    21:53:27.748270 IP (tos 0x0, ttl  53, id 46021, offset 0, flags [DF], proto: TCP (6), length: 199) 172.x.x.x.1521 > 125.x.x.x.61937: P 168:327(159) ack 756 win 49680
    21:53:27.878720 IP (tos 0x0, ttl 126, id 19409, offset 0, flags [DF], proto: TCP (6), length: 1110) 125.x.x.x.61937 > 172.x.x.x.1521: P 756:1826(1070) ack 327 win 64186
    21:53:28.994991 IP (tos 0x0, ttl 126, id 19443, offset 0, flags [DF], proto: TCP (6), length: 1110) 125.x.x.x.61937 > 172.x.x.x.1521: P 756:1826(1070) ack 327 win 64186
    21:53:29.010680 IP (tos 0x0, ttl  53, id 46023, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x3d83 (correct), 1276:1276(0) ack 1826 win 49680
    21:53:32.561849 IP (tos 0x0, ttl  53, id 46024, offset 0, flags [DF], proto: TCP (6), length: 989) 172.x.x.x.1521 > 125.x.x.x.61937: P 327:1276(949) ack 1826 win 49680
    21:53:32.710661 IP (tos 0x0, ttl 126, id 19550, offset 0, flags [DF], proto: TCP (6), length: 223) 125.x.x.x.61937 > 172.x.x.x.1521: P 1826:2009(183) ack 1276 win 63237
    21:53:32.724384 IP (tos 0x0, ttl  53, id 46025, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x3ccc (correct), 1276:1276(0) ack 2009 win 49680
    21:53:32.732636 IP (tos 0x0, ttl  53, id 46026, offset 0, flags [DF], proto: TCP (6), length: 133) 172.x.x.x.1521 > 125.x.x.x.61937: P 1276:1369(93) ack 2009 win 49680
    21:53:32.739922 IP (tos 0x0, ttl 126, id 19553, offset 0, flags [DF], proto: TCP (6), length: 947) 125.x.x.x.61937 > 172.x.x.x.1521: P 2009:2916(907) ack 1369 win 63144
    21:53:32.763266 IP (tos 0x0, ttl  53, id 46027, offset 0, flags [DF], proto: TCP (6), length: 329) 172.x.x.x.1521 > 125.x.x.x.61937: P 1369:1658(289) ack 2916 win 49680
    21:53:32.770925 IP (tos 0x0, ttl 126, id 19555, offset 0, flags [DF], proto: TCP (6), length: 78) 125.x.x.x.61937 > 172.x.x.x.1521: P 2916:2954(38) ack 1658 win 64512
    21:53:32.784774 IP (tos 0x0, ttl  53, id 46028, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 1658:1836(178) ack 2954 win 49680
    21:53:32.787455 IP (tos 0x0, ttl 126, id 19556, offset 0, flags [DF], proto: TCP (6), length: 149) 125.x.x.x.61937 > 172.x.x.x.1521: P 2954:3063(109) ack 1836 win 64334
    21:53:33.478760 IP (tos 0x0, ttl 126, id 19578, offset 0, flags [DF], proto: TCP (6), length: 149) 125.x.x.x.61937 > 172.x.x.x.1521: P 2954:3063(109) ack 1836 win 64334
    21:53:33.492256 IP (tos 0x0, ttl  53, id 46030, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x34ce (correct), 2268:2268(0) ack 3063 win 49680
    21:53:36.820908 IP (tos 0x0, ttl  53, id 46031, offset 0, flags [DF], proto: TCP (6), length: 472) 172.x.x.x.1521 > 125.x.x.x.61937: P 1836:2268(432) ack 3063 win 49680
    21:53:36.824225 IP (tos 0x0, ttl 126, id 19733, offset 0, flags [DF], proto: TCP (6), length: 57) 125.x.x.x.61937 > 172.x.x.x.1521: P 3063:3080(17) ack 2268 win 63902
    21:53:36.837345 IP (tos 0x0, ttl  53, id 46032, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x34bd (correct), 2268:2268(0) ack 3080 win 49680
    21:53:36.838015 IP (tos 0x0, ttl  53, id 46033, offset 0, flags [DF], proto: TCP (6), length: 110) 172.x.x.x.1521 > 125.x.x.x.61937: P 2268:2338(70) ack 3080 win 49680
    21:53:36.839520 IP (tos 0x0, ttl 126, id 19734, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 3080:3119(39) ack 2338 win 63832
    21:53:36.853507 IP (tos 0x0, ttl  53, id 46034, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 2338:2516(178) ack 3119 win 49680
    21:53:36.855886 IP (tos 0x0, ttl 126, id 19735, offset 0, flags [DF], proto: TCP (6), length: 160) 125.x.x.x.61937 > 172.x.x.x.1521: P 3119:3239(120) ack 2516 win 63654
    21:53:36.870292 IP (tos 0x0, ttl  53, id 46035, offset 0, flags [DF], proto: TCP (6), length: 99) 172.x.x.x.1521 > 125.x.x.x.61937: P 2516:2575(59) ack 3239 win 49680
    21:53:36.879557 IP (tos 0x0, ttl 126, id 19738, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 3239:3278(39) ack 2575 win 63595
    21:53:36.893506 IP (tos 0x0, ttl  53, id 46036, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 2575:2753(178) ack 3278 win 49680
    21:53:36.895884 IP (tos 0x0, ttl 126, id 19739, offset 0, flags [DF], proto: TCP (6), length: 292) 125.x.x.x.61937 > 172.x.x.x.1521: P 3278:3530(252) ack 2753 win 63417
    21:53:36.911464 IP (tos 0x0, ttl  53, id 46037, offset 0, flags [DF], proto: TCP (6), length: 305) 172.x.x.x.1521 > 125.x.x.x.61937: P 2753:3018(265) ack 3530 win 49680
    21:53:36.913580 IP (tos 0x0, ttl 126, id 19740, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 3530:3569(39) ack 3018 win 63152
    21:53:36.927515 IP (tos 0x0, ttl  53, id 46038, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 3018:3196(178) ack 3569 win 49680
    21:53:36.938328 IP (tos 0x0, ttl 126, id 19742, offset 0, flags [DF], proto: TCP (6), length: 315) 125.x.x.x.61937 > 172.x.x.x.1521: P 3569:3844(275) ack 3196 win 64512
    21:53:36.953008 IP (tos 0x0, ttl  53, id 46039, offset 0, flags [DF], proto: TCP (6), length: 183) 172.x.x.x.1521 > 125.x.x.x.61937: P 3196:3339(143) ack 3844 win 49680
    21:53:36.961020 IP (tos 0x0, ttl 126, id 19743, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 3844:3883(39) ack 3339 win 64369
    21:53:36.974890 IP (tos 0x0, ttl  53, id 46040, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 3339:3517(178) ack 3883 win 49680
    21:53:36.977183 IP (tos 0x0, ttl 126, id 19744, offset 0, flags [DF], proto: TCP (6), length: 208) 125.x.x.x.61937 > 172.x.x.x.1521: P 3883:4051(168) ack 3517 win 64191
    21:53:36.991461 IP (tos 0x0, ttl  53, id 46041, offset 0, flags [DF], proto: TCP (6), length: 110) 172.x.x.x.1521 > 125.x.x.x.61937: P 3517:3587(70) ack 4051 win 49680
    21:53:36.993439 IP (tos 0x0, ttl 126, id 19747, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 4051:4090(39) ack 3587 win 64121
    21:53:37.007199 IP (tos 0x0, ttl  53, id 46042, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 3587:3765(178) ack 4090 win 49680
    21:53:37.011239 IP (tos 0x0, ttl 126, id 19748, offset 0, flags [DF], proto: TCP (6), length: 183) 125.x.x.x.61937 > 172.x.x.x.1521: P 4090:4233(143) ack 3765 win 63943
    21:53:37.025767 IP (tos 0x0, ttl  53, id 46043, offset 0, flags [DF], proto: TCP (6), length: 210) 172.x.x.x.1521 > 125.x.x.x.61937: P 3765:3935(170) ack 4233 win 49680
    21:53:37.027455 IP (tos 0x0, ttl 126, id 19750, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 4233:4272(39) ack 3935 win 63773
    21:53:37.041382 IP (tos 0x0, ttl  53, id 46044, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 3935:4113(178) ack 4272 win 49680
    21:53:37.044708 IP (tos 0x0, ttl 126, id 19751, offset 0, flags [DF], proto: TCP (6), length: 75) 125.x.x.x.61937 > 172.x.x.x.1521: P 4272:4307(35) ack 4113 win 63595
    21:53:37.058388 IP (tos 0x0, ttl  53, id 46045, offset 0, flags [DF], proto: TCP (6), length: 56) 172.x.x.x.1521 > 125.x.x.x.61937: P 4113:4129(16) ack 4307 win 49680
    21:53:37.060398 IP (tos 0x0, ttl 126, id 19752, offset 0, flags [DF], proto: TCP (6), length: 75) 125.x.x.x.61937 > 172.x.x.x.1521: P 4307:4342(35) ack 4129 win 63579
    21:53:37.073926 IP (tos 0x0, ttl  53, id 46046, offset 0, flags [DF], proto: TCP (6), length: 56) 172.x.x.x.1521 > 125.x.x.x.61937: P 4129:4145(16) ack 4342 win 49680
    21:53:37.088056 IP (tos 0x0, ttl 126, id 19753, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.61937 > 172.x.x.x.1521: ., cksum 0xf23e (correct), 4342:4342(0) ack 4145 win 63563
    21:53:56.309909 IP (tos 0x0, ttl 126, id 20509, offset 0, flags [DF], proto: TCP (6), length: 176) 125.x.x.x.61937 > 172.x.x.x.1521: P 4342:4478(136) ack 4145 win 63563
    21:53:56.325783 IP (tos 0x0, ttl  53, id 46047, offset 0, flags [DF], proto: TCP (6), length: 398) 172.x.x.x.1521 > 125.x.x.x.61937: P 4145:4503(358) ack 4478 win 49680
    21:53:56.329152 IP (tos 0x0, ttl 126, id 20511, offset 0, flags [DF], proto: TCP (6), length: 57) 125.x.x.x.61937 > 172.x.x.x.1521: P 4478:4495(17) ack 4503 win 63205
    21:53:56.557234 IP (tos 0x0, ttl 126, id 20519, offset 0, flags [DF], proto: TCP (6), length: 57) 125.x.x.x.61937 > 172.x.x.x.1521: P 4478:4495(17) ack 4503 win 63205
    21:53:56.570496 IP (tos 0x0, ttl  53, id 46049, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x24ea (correct), 4904:4904(0) ack 4495 win 49680
    21:53:58.561449 IP (tos 0x0, ttl  53, id 46051, offset 0, flags [DF], proto: TCP (6), length: 441) 172.x.x.x.1521 > 125.x.x.x.61937: P 4503:4904(401) ack 4495 win 49680
    21:53:58.602228 IP (tos 0x0, ttl 126, id 20579, offset 0, flags [DF], proto: TCP (6), length: 79) 125.x.x.x.61937 > 172.x.x.x.1521: P 4495:4534(39) ack 4904 win 64512
    21:53:58.615281 IP (tos 0x0, ttl  53, id 46052, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x24c3 (correct), 4904:4904(0) ack 4534 win 49680
    21:53:58.616571 IP (tos 0x0, ttl  53, id 46053, offset 0, flags [DF], proto: TCP (6), length: 218) 172.x.x.x.1521 > 125.x.x.x.61937: P 4904:5082(178) ack 4534 win 49680
    21:53:58.745531 IP (tos 0x0, ttl 126, id 20584, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.61937 > 172.x.x.x.1521: ., cksum 0xead2 (correct), 4534:4534(0) ack 5082 win 64334
    21:54:01.476582 IP (tos 0x0, ttl 126, id 20707, offset 0, flags [DF], proto: TCP (6), length: 53) 125.x.x.x.61937 > 172.x.x.x.1521: P 4534:4547(13) ack 5082 win 64334
    21:54:01.492998 IP (tos 0x0, ttl  53, id 46054, offset 0, flags [DF], proto: TCP (6), length: 53) 172.x.x.x.1521 > 125.x.x.x.61937: P 5082:5095(13) ack 4547 win 49680
    21:54:01.499924 IP (tos 0x0, ttl 126, id 20709, offset 0, flags [DF], proto: TCP (6), length: 50) 125.x.x.x.61937 > 172.x.x.x.1521: P, cksum 0xe469 (correct), 4547:4557(10) ack 5095 win 64321
    21:54:01.500558 IP (tos 0x0, ttl 126, id 20710, offset 0, flags [DF], proto: TCP (6), length: 40) 125.x.x.x.61937 > 172.x.x.x.1521: F, cksum 0xeaba (correct), 4557:4557(0) ack 5095 win 64321
    21:54:01.513561 IP (tos 0x0, ttl  53, id 46055, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: F, cksum 0x23ec (correct), 5095:5095(0) ack 4557 win 49680
    21:54:01.513628 IP (tos 0x0, ttl  53, id 46056, offset 0, flags [DF], proto: TCP (6), length: 40) 172.x.x.x.1521 > 125.x.x.x.61937: ., cksum 0x23eb (correct), 5096:5096(0) ack 4558 win 49680
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    Alias LISTENER
    Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
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    Database SID ................ orcl
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    =========================================================
    ========================================================
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    Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.
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    Security OFF
    SNMP OFF
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    LSNRCTL for Linux: Version 9.2.0.6.0 - Production on 11-SEP-2009 01:32:22
    Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.
    Connecting to (ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROCVIS))
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    LSNRCTL for Linux: Version 9.2.0.6.0 - Production on 11-SEP-2009 01:32:23
    Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.
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    TNS-12560: TNS:protocol adapter error
    TNS-00511: No listener
    Linux Error: 2: No such file or directory
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    TNS-12541: TNS:no listener
    TNS-12560: TNS:protocol adapter error
    TNS-00511: No listener
    Linux Error: 111: Connection refused
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    Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.
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    TNSLSNR for Linux: Version 9.2.0.6.0 - Production
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    Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROCVIS)))
    Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=vostro.oraebs11i.com)(PORT=1521)))
    Connecting to (ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROCVIS))
    STATUS of the LISTENER
    Alias VIS
    Version TNSLSNR for Linux: Version 9.2.0.6.0 - Production
    Start Date 11-SEP-2009 01:32:23
    Uptime 0 days 0 hr. 0 min. 0 sec
    Trace Level off
    Security OFF
    SNMP OFF
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    Listener Log File /u01/oracle/ora/visdb/9.2.0/network/admin/vis.log
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    (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROCVIS)))
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    Service "PLSExtProc" has 1 instance(s).
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    Service "VIS" has 1 instance(s).
    Instance "VIS", status UNKNOWN, has 1 handler(s) for this service...
    The command completed successfully
    LSNRCTL for Linux: Version 9.2.0.6.0 - Production on 11-SEP-2009 22:05:54
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    TNS-12535: TNS:operation timed out
    TNS-12560: TNS:protocol adapter error
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    You are running addlnctl.sh version 115.6
    addlnctl.sh: too few arguments specified.
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    Jerome

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    EDD is supported
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    Handle 0x0805, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: USB1
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB
    Handle 0x0806, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: USB2
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB
    Handle 0x0807, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: USB3
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB
    Handle 0x0808, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: USB4
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB
    Handle 0x0809, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: USB5
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB
    Handle 0x080A, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: USB6
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB
    Handle 0x080B, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: USB7
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB
    Handle 0x080C, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: USB8
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB
    Handle 0x080D, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: ENET
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: RJ-45
    Port Type: Network Port
    Handle 0x080E, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: MIC
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Mini Jack (headphones)
    Port Type: Audio Port
    Handle 0x080F, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: LINE-OUT
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Mini Jack (headphones)
    Port Type: Audio Port
    Handle 0x0810, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: LINE-IN
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Mini Jack (headphones)
    Port Type: Audio Port
    Handle 0x0811, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: HP-OUT
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Mini Jack (headphones)
    Port Type: Audio Port
    Handle 0x0812, DMI type 8, 9 bytes
    Port Connector Information
    Internal Reference Designator: MONITOR
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: DB-15 female
    Port Type: Video Port
    Handle 0x090A, DMI type 9, 13 bytes
    System Slot Information
    Designation: SLOT1
    Type: x1 Proprietary
    Current Usage: In Use
    Length: Long
    Characteristics:
    PME signal is supported
    Handle 0x0901, DMI type 126, 13 bytes
    Inactive
    Handle 0x0902, DMI type 9, 13 bytes
    System Slot Information
    Designation: SLOT2
    Type: 32-bit PCI
    Current Usage: Available
    Length: Long
    ID: 2
    Characteristics:
    5.0 V is provided
    3.3 V is provided
    PME signal is supported
    Handle 0x0903, DMI type 126, 13 bytes
    Inactive
    Handle 0x0904, DMI type 126, 13 bytes
    Inactive
    Handle 0x0905, DMI type 126, 13 bytes
    Inactive
    Handle 0x0906, DMI type 126, 13 bytes
    Inactive
    Handle 0x0907, DMI type 126, 13 bytes
    Inactive
    Handle 0x0908, DMI type 126, 13 bytes
    Inactive
    Handle 0x0A00, DMI type 10, 6 bytes
    On Board Device Information
    Type: Video
    Status: Disabled
    Description: Intel Graphics Media Accelerator 950
    Handle 0x0A02, DMI type 10, 6 bytes
    On Board Device Information
    Type: Ethernet
    Status: Enabled
    Description: Intel Gigabit Ethernet Controller
    Handle 0x0A03, DMI type 10, 6 bytes
    On Board Device Information
    Type: Sound
    Status: Enabled
    Description: Intel(R) High Definition Audio Controller
    Handle 0x0B00, DMI type 11, 5 bytes
    OEM Strings
    String 1: www.dell.com
    Handle 0x0D00, DMI type 13, 22 bytes
    BIOS Language Information
    Language Description Format: Long
    Installable Languages: 1
    en|US|iso8859-1
    Currently Installed Language: en|US|iso8859-1
    Handle 0x0F00, DMI type 15, 29 bytes
    System Event Log
    Area Length: 2049 bytes
    Header Start Offset: 0x0000
    Header Length: 16 bytes
    Data Start Offset: 0x0010
    Access Method: Memory-mapped physical 32-bit address
    Access Address: 0xFFF01000
    Status: Valid, Not Full
    Change Token: 0x00000018
    Header Format: Type 1
    Supported Log Type Descriptors: 3
    Descriptor 1: POST error
    Data Format 1: POST results bitmap
    Descriptor 2: System limit exceeded
    Data Format 2: System management
    Descriptor 3: Log area reset/cleared
    Data Format 3: None
    Handle 0x1000, DMI type 16, 15 bytes
    Physical Memory Array
    Location: System Board Or Motherboard
    Use: System Memory
    Error Correction Type: None
    Maximum Capacity: 8 GB
    Error Information Handle: Not Provided
    Number Of Devices: 4
    Handle 0x1100, DMI type 17, 27 bytes
    Memory Device
    Array Handle: 0x1000
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM_1
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz
    Manufacturer: AD00000000000000
    Handle 0x1101, DMI type 17, 27 bytes
    Memory Device
    Array Handle: 0x1000
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM_3
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz
    Handle 0x1102, DMI type 17, 27 bytes
    Memory Device
    Array Handle: 0x1000
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM_2
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz
    Handle 0x1103, DMI type 17, 27 bytes
    Memory Device
    Array Handle: 0x1000
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM_4
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz
    Handle 0x1300, DMI type 19, 15 bytes
    Memory Array Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x000FDFFFFFF
    Range Size: 4064 MB
    Physical Array Handle: 0x1000
    Partition Width: 1
    Handle 0x1400, DMI type 20, 19 bytes
    Memory Device Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x0007FFFFFFF
    Range Size: 2 GB
    Physical Device Handle: 0x1100
    Memory Array Mapped Address Handle: 0x1300
    Partition Row Position: 1
    Interleave Position: 1
    Interleaved Data Depth: 1
    Handle 0x1401, DMI type 20, 19 bytes
    Memory Device Mapped Address
    Starting Address: 0x00080000000
    Ending Address: 0x000FDFFFFFF
    Range Size: 2016 MB
    Physical Device Handle: 0x1101
    Memory Array Mapped Address Handle: 0x1300
    Partition Row Position: 1
    Interleave Position: 1
    Interleaved Data Depth: 1
    Handle 0x1402, DMI type 20, 19 bytes
    Memory Device Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x0007FFFFFFF
    Range Size: 2 GB
    Physical Device Handle: 0x1102
    Memory Array Mapped Address Handle: 0x1300
    Partition Row Position: 1
    Interleave Position: 2
    Interleaved Data Depth: 1
    Handle 0x1403, DMI type 20, 19 bytes
    Memory Device Mapped Address
    Starting Address: 0x00080000000
    Ending Address: 0x000FDFFFFFF
    Range Size: 2016 MB
    Physical Device Handle: 0x1103
    Memory Array Mapped Address Handle: 0x1300
    Partition Row Position: 1
    Interleave Position: 2
    Interleaved Data Depth: 1
    Handle 0x1410, DMI type 126, 19 bytes
    Inactive
    Handle 0x1800, DMI type 24, 5 bytes
    Hardware Security
    Power-On Password Status: Enabled
    Keyboard Password Status: Not Implemented
    Administrator Password Status: Enabled
    Front Panel Reset Status: Not Implemented
    Handle 0x1900, DMI type 25, 9 bytes
    System Power Controls
    Next Scheduled Power-on: *-* 00:00:00
    Handle 0x1B10, DMI type 27, 12 bytes
    Cooling Device
    Type: Fan
    Status: OK
    OEM-specific Information: 0x0000DD00
    Handle 0x1B11, DMI type 27, 12 bytes
    Cooling Device
    Type: Fan
    Status: OK
    OEM-specific Information: 0x0000DD01
    Handle 0x1B12, DMI type 126, 12 bytes
    Inactive
    Handle 0x1B13, DMI type 126, 12 bytes
    Inactive
    Handle 0x1B14, DMI type 126, 12 bytes
    Inactive
    Handle 0x2000, DMI type 32, 11 bytes
    System Boot Information
    Status: No errors detected
    Handle 0x8100, DMI type 129, 8 bytes
    OEM-specific Type
    Header and Data:
    81 08 00 81 01 01 02 01
    Strings:
    Intel_ASF
    Intel_ASF_001
    Handle 0x8200, DMI type 130, 20 bytes
    OEM-specific Type
    Header and Data:
    82 14 00 82 24 41 4D 54 01 01 00 00 01 A5 0B 02
    00 00 00 00
    Handle 0x8300, DMI type 131, 64 bytes
    OEM-specific Type
    Header and Data:
    83 40 00 83 14 00 00 00 00 00 C0 29 05 00 00 00
    F8 00 4E 24 00 00 00 00 0D 00 00 00 02 00 03 00
    19 04 14 00 01 00 01 02 C8 00 BD 10 00 00 00 00
    00 00 00 00 FF 00 00 00 00 00 00 00 00 00 00 00
    Handle 0x8800, DMI type 136, 6 bytes
    OEM-specific Type
    Header and Data:
    88 06 00 88 5A 5A
    Handle 0xD000, DMI type 208, 10 bytes
    OEM-specific Type
    Header and Data:
    D0 0A 00 D0 01 03 FE 00 11 02
    Handle 0xD100, DMI type 209, 12 bytes
    OEM-specific Type
    Header and Data:
    D1 0C 00 D1 78 03 07 03 04 0F 80 05
    Handle 0xD200, DMI type 210, 12 bytes
    OEM-specific Type
    Header and Data:
    D2 0C 00 D2 F8 03 04 03 06 80 04 05
    Handle 0xD201, DMI type 126, 12 bytes
    Inactive
    Handle 0xD400, DMI type 212, 242 bytes
    OEM-specific Type
    Header and Data:
    D4 F2 00 D4 70 00 71 00 00 10 2D 2E 42 00 11 FE
    01 43 00 11 FE 00 0F 00 25 FC 00 10 00 25 FC 01
    11 00 25 FC 02 12 00 25 FC 03 00 00 25 F3 00 00
    00 25 F3 04 00 00 25 F3 08 00 00 25 F3 0C 07 00
    23 8F 00 08 00 23 F3 00 09 00 23 F3 04 0A 00 23
    F3 08 0B 00 23 8F 10 0C 00 23 8F 20 0E 00 23 8F
    30 0D 00 23 8C 40 A6 00 23 8C 41 A7 00 23 8C 42
    05 01 22 FD 02 06 01 22 FD 00 8C 00 22 FE 00 8D
    00 22 FE 01 9B 00 25 3F 40 9C 00 25 3F 00 09 01
    25 3F 80 A1 00 26 F3 00 A2 00 26 F3 08 A3 00 26
    F3 04 9F 00 26 FD 02 A0 00 26 FD 00 9D 00 11 FB
    04 9E 00 11 FB 00 54 01 23 7F 00 55 01 23 7F 80
    5C 00 78 BF 40 5D 00 78 BF 00 04 80 78 F5 0A 01
    A0 78 F5 00 93 00 7B 7F 80 94 00 7B 7F 00 8A 00
    37 DF 20 8B 00 37 DF 00 03 C0 67 00 05 FF FF 00
    00 00
    Handle 0xD401, DMI type 212, 172 bytes
    OEM-specific Type
    Header and Data:
    D4 AC 01 D4 70 00 71 00 03 40 59 6D 2D 00 59 FC
    02 2E 00 59 FC 00 6E 00 59 FC 01 E0 01 59 FC 03
    28 00 59 3F 00 29 00 59 3F 40 2A 00 59 3F 80 2B
    00 5A 00 00 2C 00 5B 00 00 55 00 59 F3 00 6D 00
    59 F3 04 8E 00 59 F3 08 8F 00 59 F3 00 00 00 55
    FB 04 00 00 55 FB 00 23 00 55 7F 00 22 00 55 7F
    80 F5 00 58 BF 40 F6 00 58 BF 00 EB 00 55 FE 00
    EA 00 55 FE 01 40 01 54 EF 00 41 01 54 EF 10 ED
    00 54 F7 00 F0 00 54 F7 08 4A 01 53 DF 00 4B 01
    53 DF 20 4C 01 53 7F 00 4D 01 53 7F 80 68 01 56
    BF 00 69 01 56 BF 40 FF FF 00 00 00
    Handle 0xD402, DMI type 212, 152 bytes
    OEM-specific Type
    Header and Data:
    D4 98 02 D4 70 00 71 00 00 10 2D 2E 2D 01 21 FE
    01 2E 01 21 FE 00 97 00 22 FB 00 98 00 22 FB 04
    90 00 11 CF 00 91 00 11 CF 20 92 00 11 CF 10 E2
    00 27 7F 00 E3 00 27 7F 80 E4 00 27 BF 00 E5 00
    27 BF 40 D1 00 22 7F 80 D2 00 22 7F 00 45 01 22
    BF 40 44 01 22 BF 00 36 01 21 F1 06 37 01 21 F1
    02 38 01 21 F1 00 39 01 21 F1 04 2B 01 11 7F 80
    2C 01 11 7F 00 4E 01 65 CF 00 4F 01 65 CF 10 D4
    01 65 F3 00 D5 01 65 F3 04 D2 01 65 FC 00 D3 01
    65 FC 01 FF FF 00 00 00
    Handle 0xD403, DMI type 212, 157 bytes
    OEM-specific Type
    Header and Data:
    D4 9D 03 D4 70 00 71 00 03 40 59 6D 17 01 52 FE
    00 18 01 52 FE 01 19 01 52 FB 00 1A 01 52 FB 04
    1B 01 52 FD 00 1C 01 52 FD 02 1D 01 52 F7 00 1E
    01 52 F7 08 1F 01 52 EF 00 20 01 52 EF 10 21 01
    52 BF 00 22 01 52 BF 40 87 00 59 DF 20 88 00 59
    DF 00 E8 01 66 FD 00 E9 01 66 FD 02 02 02 53 BF
    00 03 02 53 BF 40 04 02 53 EF 00 05 02 53 EF 10
    06 02 66 DF 00 07 02 66 DF 20 08 02 66 EF 00 09
    02 66 EF 10 17 02 66 F7 00 18 02 66 F7 08 44 02
    52 BF 40 45 02 52 BF 00 FF FF 00 00 00
    Handle 0xD800, DMI type 126, 9 bytes
    Inactive
    Handle 0xDD00, DMI type 221, 19 bytes
    OEM-specific Type
    Header and Data:
    DD 13 00 DD 00 01 00 00 00 10 F5 00 00 00 00 00
    00 00 00
    Handle 0xDD01, DMI type 221, 19 bytes
    OEM-specific Type
    Header and Data:
    DD 13 01 DD 00 01 00 00 00 11 F5 00 00 00 00 00
    00 00 00
    Handle 0xDD02, DMI type 221, 19 bytes
    OEM-specific Type
    Header and Data:
    DD 13 02 DD 00 01 00 00 00 12 F5 00 00 00 00 00
    00 00 00
    Handle 0xDE00, DMI type 222, 16 bytes
    OEM-specific Type
    Header and Data:
    DE 10 00 DE C1 0B 00 00 10 05 19 21 01 00 00 01
    Handle 0x7F00, DMI type 127, 4 bytes
    End Of Table
    Hdparm also does not tell me the max data transfer rate (disk speed) of my current drive although this link : www.wdc.com/en/library/sata/2879-001146.pdf  says that it is 3.0Gb/s
    and here's hdparm -I /dev/sda
    /dev/sda:
    ATA device, with non-removable media
    Model Number: WDC WD800JD-75JNC0
    Firmware Revision: 06.01C06
    Standards:
    Supported: 6 5 4
    Likely used: 8
    Configuration:
    Logical max current
    cylinders 16383 16383
    heads 16 16
    sectors/track 63 63
    CHS current addressable sectors: 16514064
    LBA user addressable sectors: 156250000
    Logical/Physical Sector size: 512 bytes
    device size with M = 1024*1024: 76293 MBytes
    device size with M = 1000*1000: 80000 MBytes (80 GB)
    cache/buffer size = 8192 KBytes
    Capabilities:
    LBA, IORDY(can be disabled)
    Standby timer values: spec'd by Standard, with device specific minimum
    R/W multiple sector transfer: Max = 16 Current = 8
    Recommended acoustic management value: 128, current value: 254
    DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
    Cycle time: min=120ns recommended=120ns
    PIO: pio0 pio1 pio2 pio3 pio4
    Cycle time: no flow control=120ns IORDY flow control=120ns
    Commands/features:
    Enabled Supported:
    * SMART feature set
    Security Mode feature set
    * Power Management feature set
    * Write cache
    * Look-ahead
    * Host Protected Area feature set
    * WRITE_BUFFER command
    * READ_BUFFER command
    * DOWNLOAD_MICROCODE
    SET_MAX security extension
    Automatic Acoustic Management feature set
    * Device Configuration Overlay feature set
    * Mandatory FLUSH_CACHE
    * SMART error logging
    * SMART self-test
    * Gen1 signaling speed (1.5Gb/s)
    * Host-initiated interface power management
    * SMART Command Transport (SCT) feature set
    * SCT Long Sector Access (AC1)
    * SCT LBA Segment Access (AC2)
    * SCT Error Recovery Control (AC3)
    * SCT Features Control (AC4)
    * SCT Data Tables (AC5)
    Security:
    Master password revision code = 65534
    supported
    not enabled
    not locked
    frozen
    not expired: security count
    not supported: enhanced erase
    Checksum: correct
    Last edited by Inxsible (2011-03-27 04:40:49)

    I just checked my BIOS and my current setting is set at IDE although it also mentions that the default should be AHCI. Currently I have a dual boot of Windows 7 (need it for Tax software) and Arch
    So I guess, when I get the new HDD, I will first set it to AHCI and then install the OSes on it. See if NCQ helps any, and if not I will turn it back and re-install (if I have to). I am planning to have Windows only in virtualbox in the new drive.
    Anyhoo, while I was in the BIOS I found two things which I had questions about :
    1) Under Onboard Devices --> Integrated NIC , my setting is currently set at "On w/PXE" and it says the default should be just "On". Would it be ok to change it back to On since its a single machine and its not booting an OS on any server. I just don't want to have to re-install anything now since I will be doing that in the new HDD.
    2) How would I know whether my BIOS would support a 64 bit OS in Virtualbox? I checked some setting under Virtualization, but they weren't very clear.
    I will edit this post and let you know exactly what settings were present under the Virtualization sub-section.

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