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Re: Salvage inform on who drop a table from logica

Posted By: Fernando Nunes
Date: Tuesday, 12 April 2016, at 6:38 a.m.

In Response To: Salvage inform on who drop a table from logical lo (LEY PATRICK)

For the future: Use auditing... Much simpler than this and won't overload
the database (if you set it carefully and avoid the row level operations).
If you had auditing setup you could answer your question in a matter of
seconds.
This is what you need to audit drop tables:

castelo@primary:informix-> onaudit -l 1 -p /usr/informix/logs -s 10000000
Onaudit -- Audit Subsystem Configuration Utility

castelo@primary:informix-> onaudit -m -u _default -e DRTB
Onaudit -- Audit Subsystem Configuration Utility

castelo@primary:informix->

castelo@primary:informix-> cat /usr/informix/logs/castelo.0
ONLN|2016-04-12
12:24:14.531|primary|26322|castelo|informix|0:DRTB:stores:819:test_drop:informix:0:8389593

Simple isn't it? And it's free... Can't really think of a reason not to use
it... except that you need to:

1- Consider the number of times the operation you're auditing will happen.
If you drop ten's of tables for second you may want to reconsider it.
2- You need to manage your auditing logs

But assuming you don't, the DROP TABLE will translate into a "HDELETE" on
the systables partition... and a few more things.
The logical logs are not meant for auditing. They're meant to allow
recovery. So they're not friendly and they don't contain the statements.
This is an example. My table was called test_drop. The HEX(partnum) for it
is "800002".

Good luck.

e755fc 56 BEGIN 21 597 0 04/12/2016 12:24:13 301
informix

38000000 55020100 00000000 00000000 8...U... ........

00000000 00000000 15000000 00000000 ........ ........

e2c01c0f 00000000 cdcc0c57 00000000 ........ ...W....

ea030000 2d010000 ....-...
e75634 192 HDELETE 21 0 e755fc 800002 1603 127

c0000000 00002900 12010000 00000000 ......). ........

00000000 00000000 15000000 fc55e700 ........ .....U..

e2c01c0f 02008000 02008000 03160000 ........ ........

7f000000 00000000 00000000 80000333 ........ .......3

09746573 745f6472 6f70696e 666f726d .test_dr opinform

69782020 20202020 20202020 20202020 ix

20202020 20202020 20200080 03d90000 ......

03330004 00010000 00000000 00000000 .3...... ........

0000a5e7 03330001 54520000 00000000 .....3.. TR......

00000000 00100000 00100000 01000100 ........ ........

00000000 00000000 00000800 00000000 ........ ........

00000000 00000000 00000000 80004174 ........ ......At

addr len type xid id link
e756f4 104 DELITEM 21 0 e75634 800002 800002 1603
19 1 42

68000000 00001d00 10000000 00000000 h....... ........

00000000 00000000 15000000 3456e700 ........ ....4V..

e2c01c0f 02008000 02008000 02008000 ........ ........

03160000 13000000 01002a00 09746573 ........ ..*..tes

745f6472 6f70696e 666f726d 69782020 t_dropin formix

20202020 20202020 20202020 20202020

20202020 20202020
e7575c 64 DELITEM 21 0 e756f4 800002 800002 1603
2 2 4

40000000 00001d00 10000000 00000000 @....... ........

00000000 00000000 15000000 f456e700 ........ .....V..

e3c01c0f 02008000 02008000 02008000 ........ ........

03160000 02000000 02000400 80000333 ........ .......3
e7579c 100 HDELETE 21 0 e7575c 800003 181e 33

64000000 00002900 12010000 00000000 d.....). ........

00000000 00000000 15000000 5c57e700 ........ ....\W..

e5c01c0f 03008000 03008000 1e180000 ........ ........

21000000 00000000 00000000 80000333 !....... .......3

04636f6c 31000003 33000100 02000480 .col1... 3.......

00000080 00000000 00000000 00000000 ........ ........

00735f70 .s_p

addr len type xid id link
e7601c 68 DELITEM 21 0 e7579c 800003 800003 181e
30 1 6

44000000 00001d00 10000000 00000000 D....... ........

00000000 00000000 15000000 9c57e700 ........ .....W..

e7c01c0f 03008000 03008000 03008000 ........ ........

1e180000 1e000000 01000600 80000333 ........ .......3

80016472 ..dr
e76060 64 DELITEM 21 0 e7601c 800003 800003 181e
18 2 4

40000000 00001d00 10000000 00000000 @....... ........

00000000 00000000 15000000 1c60e700 ........ .....`..

e8c01c0f 03008000 03008000 03008000 ........ ........

1e180000 12000000 02000400 80000000 ........ ........
e760a0 144 HDELETE 21 0 e76060 800005 e0d 77

90000000 00002900 12010000 00000000 ......). ........

00000000 00000000 15000000 6060e700 ........ ....``..

eac01c0f 05008000 05008000 0d0e0000 ........ ........

4d000000 00000000 00000000 80000000 M....... ........

696e666f 726d6978 20202020 20202020 informix

20202020 20202020 20202020 20202020

7075626c 69632020 20202020 20202020 public

20202020 20202020 20202020 20202020

00000333 73752d69 64782d2d 2d000100 ...3su-i dx---...

addr len type xid id link
e76130 128 DELITEM 21 0 e760a0 800005 800005 e0d
15 1 68

80000000 00001d00 10000000 00000000 ........ ........

00000000 00000000 15000000 a060e700 ........ .....`..

eac01c0f 05008000 05008000 05008000 ........ ........

0d0e0000 0f000000 01004400 80000333 ........ ..D....3

696e666f 726d6978 20202020 20202020 informix

20202020 20202020 20202020 20202020

7075626c 69632020 20202020 20202020 public

20202020 20202020 20202020 20202020
e761b0 96 DELITEM 21 0 e76130 800005 800005 e0d
13 2 36

60000000 00001d00 10000000 00000000 `....... ........

00000000 00000000 15000000 3061e700 ........ ....0a..

ebc01c0f 05008000 05008000 05008000 ........ ........

0d0e0000 0d000000 02002400 80000333 ........ ..$....3

7075626c 69632020 20202020 20202020 public

20202020 20202020 20202020 20202020
e76210 44 PERASE 21 0 e761b0 8003d9

2c000000 00003700 10000000 00000000 ,.....7. ........

00000000 00000000 15000000 b061e700 ........ .....a..

ecc01c0f d9038000 d9038000 ........ ....

addr len type xid id link
e7623c 56 BEGCOM 21 0 e76210

38000000 00000400 10000000 00000000 8....... ........

00000000 00000000 15000000 1062e700 ........ .....b..

ecc01c0f 00000000 cdcc0c57 05008000 ........ ...W....

0d0e0000 0d000000 ........
e76274 44 ERASE 21 0 e7623c 8003d9

2c000000 00000d00 10000000 00000000 ,....... ........

00000000 00000000 15000000 3c62e700 ........ ....<b..

ecc01c0f d9038000 d9038000 ........ ....
e762a0 56 COMMIT 21 0 e76274 04/12/2016 12:24:13

38000000 00000200 10000000 00000000 8....... ........

00000000 00000000 15000000 7462e700 ........ ....tb..

eec01c0f 00000000 cdcc0c57 05008000 ........ ...W....

cdcc0c57 00000000 ...W....

On Tue, Apr 12, 2016 at 1:44 AM, LEY PATRICK <patrickley@gmail.com> wrote:

> PLATFORM : AIX
> INFORMIX VERSION : 11.70FC7
>
> Hi all, we have a database with unbuffered mode and recently we found that
> there is a missing object.
>
> We want to find out who drop that particular object, given the fact that
> there
> is not much activities on the box and also all logical log is still
> available.
>
> Trying onlog -lu <username>
>
> where <username> are those that has the DBA/RESOURCE right.
>
> Question(s) :
> 1) How to identified the header for DROP TABLE command from the logical
> log's
> output ? I do see example like CKPOINT, HUPBEF, HDELETE, UNIQ8ID and etc.
>
> 2) the output of the logical log is on HEX format, any tools to convert it
> to
> human readable format ?
>
> Thanks
>
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

--
Fernando Nunes
Portugal

http://informix-technology.blogspot.com
My email works... but I don't check it frequently...

--089e01176a5ddb376f05304743c1

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