HDR problem - ontape -p
A DBA setting up HDR on IDS 7.31 ran a level-0 ontape backup on the primary and ontape -p on the secondary, but the physical restore appeared to hang (server stuck in Fast Recovery/Blocked:CKPT), and he asked whether to answer N to the "take logical backup?" prompt, how long the restore should take, and what state the secondary should end in. Replies confirmed answering N is correct, outlined the proper primary/secondary sequence (ontape -s -L 0, onmode -d primary/secondary, ontape -p then ontape -l), noted the restore can take as long as or longer than the backup, and that the secondary stays in Recovery/read-only mode. The poster later found the cause: stale/leftover entries in his services and sqlhosts files were confusing the setup.
Auto-generated by DrWatson from the posts below — may be imperfect; read the full thread.
Hello,
I am doing the steps for HDR on the designated Secondary Server . I have taken
a Level-0 backup from primary and am trying to do a restore on secondary , but
its NOT getting completed :-
On secondary , I have :-
(informix)/home/informix> onstat -
Informix Dynamic Server Version 7.31.FD6 -- Fast Recovery (CKPT REQ) -- Up 2
days 19:47:52 -- 662224 Kbytes Blocked:CKPT
---------------------------------------------------------------------------
(informix)/home/informix>onstat -d
Informix Dynamic Server Version 7.31.FD6 -- Fast Recovery (CKPT REQ) -- Up 2
days 18:33:55 -- 662224 Kbytes Blocked:CKPT
Dbspaces
address number flags fchunk nchunks flags owner name
c000000047e0e1c8 1 401 1 1 NP informix rootdbs
c0000000496a6a90 2 401 2 1 NP informix logdbs
c0000000496a6b78 3 401 3 1 NP informix physdbs
c0000000496a6c60 4 401 4 14 NP informix wlthdbs
c0000000496a6d48 5 401 18 4 NP informix cometsdbs
c0000000496a6e30 6 401 22 1 NP informix wiplotdbs
c0000000496a6f18 7 401 23 1 NP informix ntcdatdbs
c0000000496a7000 8 401 24 1 NP informix lecdatdbs
c0000000496a70e8 9 401 25 1 NP informix cmtsumdbs
c0000000496a71d0 10 401 26 1 NP informix ntcenhdbs
c0000000496a72b8 11 401 27 1 NP informix pwlthdbs
c0000000496a73a0 12 2005 28 2 NDT informix tempdbs1
c0000000496a7488 13 2005 30 2 NDT informix tempdbs2
c0000000496a7570 14 2005 32 2 NDT informix tempdbs3
c0000000496a7658 15 401 34 2 NP informix logdbs1
c0000000496a7740 16 401 35 1 NP informix phydbs1
16 active, 2047 maximum
Chunks
address chk/dbs offset size free bpages flags pathname
c000000047e0e2b0 1 1 0 750000 748519 PI- /usr/informix
/data/data1
c0000000496761b8 2 2 0 175000 174947 PI- /opt/informix
/data/data2
c0000000496762e0 3 3 750000 125000 124947 PI- /opt/informix
/data/data1
c000000049676408 4 4 0 1016000 1015947 PI- /opt/informix
/data/data3
c000000049676530 5 4 0 1016000 0 PI- /opt/informix
/data/data4
c000000049676658 6 4 0 1016000 0 PI- /opt/informix
/data/data5
c000000049676780 7 4 0 1016000 0 PI- /opt/informix
/data/data6
c0000000496768a8 8 4 0 1016000 0 PI- /opt/informix
/data/data7
c0000000496769d0 9 4 0 1016000 0 PI- /opt/informix
/data/data8
c000000049676af8 10 4 0 1016000 0 PI- /opt/informix
/data/data9
c000000049676c20 11 4 0 1016000 0 PI- /opt/informix
/data/data10
c000000049676d48 12 4 0 1016000 0 PI- /opt/informix
/data/data11
c000000049676e70 13 4 0 1016000 0 PI- /opt/informix
/data/data12
c000000049676f98 14 4 0 1016000 0 PI- /opt/informix
/data/data13
c0000000496770c0 15 4 0 1016000 1015997 PI- /opt/informix
/data/data14
c0000000496771e8 16 4 0 1016000 1015997 PI- /opt/informix
/data/data15
c000000049677310 17 4 0 1016000 1015997 PI- /opt/informix
/data/data16
c000000049677438 18 5 0 1016000 13 PI- /opt/informix
/data/data17
c000000049677560 19 5 0 1016000 7 PI- /opt/informix
/data/data18
c000000049677688 20 5 0 1016000 848816 PI- /opt/informix
/data/data19
c0000000496777b0 21 5 0 1016000 1015997 PI- /opt/informix
/data/data20
c0000000496778d8 22 6 175000 508000 242993 PI- /opt/informix
/data/data2
c000000049677a00 23 7 875000 50000 49943 PI- /opt/informix
/data/data1
c000000049677b28 24 8 925000 50000 49943 PI- /opt/informix
/data/data1
c000000049677c50 25 9 508000 508000 290493 PI- /opt/informix
/data/data21
c000000049677d78 26 10 0 1016000 936843 PI- /opt/informix
/data/data22
c000000049677ea0 27 11 0 1016000 489555 PI- /opt/informix
/data/data23
c0000000496a6028 28 12 0 1016000 1015839 PI- /opt/informix
/data/data24
c0000000496a6150 29 12 0 1016000 1015997 PI- /opt/informix
/data/data25
c0000000496a6278 30 13 0 1016000 1015847 PI- /opt/informix
/data/data26
c0000000496a63a0 31 13 0 1016000 1015997 PI- /opt/informix
/data/data27
c0000000496a64c8 32 14 0 1016000 1015343 PI- /opt/informix
/data/data28
c0000000496a65f0 33 14 0 1016000 1015997 PI- /opt/informix
/data/data29
c0000000496a6718 34 15 0 175000 4947 PI- /opt/informix
/data/data31
c0000000496a6840 35 16 175000 125000 74947 PI- /opt/informix
/data/data31
c0000000496a6968 36 15 300000 200000 84997 PI- /opt/informix
/data/data31
36 active, 2047 maximum
(informix)/home/informix> onstat -
Informix Dynamic Server Version 7.31.FD6 -- Fast Recovery (CKPT REQ) -- Up 2
days 19:47:52 -- 662224 Kbytes
Blocked:CKPT
18:33:00 Event alarms enabled. ALARMPROG = '/usr/informix/etc/log_full.sh'
18:33:09 DR: DRAUTO is 0 (Off)
18:33:09 Requested shared memory segment size rounded from 604KB to 608KB
18:33:10 Informix Dynamic Server Version 7.31.FD6 Software Serial Number AC
N#
18:33:10 Informix Dynamic Server Initialized -- Shared Memory Initialized.
18:33:10 Dataskip is now OFF for all dbspaces
18:33:10 Restartable Restore has been DISABLED
18:33:10 Recovery Mode
18:33:15 Physical Restore of rootdbs, logdbs, physdbs, wlthdbs, cometsdbs, wipl
otdbs, ntcdatdbs, lecdatdbs, cmtsumdbs, ntcenhdbs, pwlthdbs, logdbs1, phydbs1
st
arted.
18:33:23 Checkpoint Completed: duration was 1 seconds.
18:33:23 Checkpoint loguniq 20875, logpos 0xd50018
18:33:24 Checkpoint Completed: duration was 0 seconds.
18:33:24 Checkpoint loguniq 20875, logpos 0xd50018
18:33:24 Checkpoint Completed: duration was 0 seconds.
18:33:24 Checkpoint loguniq 20875, logpos 0xd50018
22:31:08 Checkpoint Completed: duration was 1 seconds.
22:31:08 Checkpoint loguniq 20875, logpos 0xd50018
:q!
(informix)/usr/informix>
--------------------------------------------------------------------------------
I want answers to the following questions :-
1] When I do ontape -p , it does ask me "take logical backup [Y/N] ?"
What should I do ?
I gave "N" and proceeded with the cold restore.
Is the above right action ?
2] Why doesnt the restore complete ?
3] The level-0 backup on primary takes around 10 hours , should the restore
take more than that or how much time should the "ontape -p" run ?
4] When it does complete, whats should be the status of the informix server
i.e. "onstat - " should show what output ?
PLEASE give the answers pointwise .
Thanks in advance for ur help/suggestions ...
Regards,
Sagar
Hi Sager,
See Comments below.
Regards,
John
-----Original Message-----
From: forum.subscriber@iiug.org [mailto:forum.subscriber@iiug.org]On
Behalf Of SAGAR THANAWALA
Sent: 27 June 2005 07:47
To: ids@iiug.org
Subject: HDR problem - ontape -p [5257]
Hello,
I am doing the steps for HDR on the designated Secondary Server . I have
taken a Level-0 backup from primary and am trying to do a restore on
secondary , but its NOT getting completed :-
On secondary , I have :-
(informix)/home/informix> onstat -
Informix Dynamic Server Version 7.31.FD6 -- Fast Recovery (CKPT REQ) --
Up 2
days 19:47:52 -- 662224 Kbytes Blocked:CKPT
---------------------------------------------------------------------------
(informix)/home/informix>onstat -d
Informix Dynamic Server Version 7.31.FD6 -- Fast Recovery (CKPT REQ) --
Up 2
days 18:33:55 -- 662224 Kbytes Blocked:CKPT
Dbspaces
address number flags fchunk nchunks flags owner name
c000000047e0e1c8 1 401 1 1 NP informix
rootdbs
c0000000496a6a90 2 401 2 1 NP informix
logdbs
c0000000496a6b78 3 401 3 1 NP informix
physdbs
c0000000496a6c60 4 401 4 14 NP informix
wlthdbs
c0000000496a6d48 5 401 18 4 NP informix
cometsdbs
c0000000496a6e30 6 401 22 1 NP informix
wiplotdbs
c0000000496a6f18 7 401 23 1 NP informix
ntcdatdbs
c0000000496a7000 8 401 24 1 NP informix
lecdatdbs
c0000000496a70e8 9 401 25 1 NP informix
cmtsumdbs
c0000000496a71d0 10 401 26 1 NP informix
ntcenhdbs
c0000000496a72b8 11 401 27 1 NP informix
pwlthdbs
c0000000496a73a0 12 2005 28 2 NDT informix
tempdbs1
c0000000496a7488 13 2005 30 2 NDT informix
tempdbs2
c0000000496a7570 14 2005 32 2 NDT informix
tempdbs3
c0000000496a7658 15 401 34 2 NP informix
logdbs1
c0000000496a7740 16 401 35 1 NP informix
phydbs1
16 active, 2047 maximum
Chunks
address chk/dbs offset size free bpages flags pathname
c000000047e0e2b0 1 1 0 750000 748519 PI-
/usr/informix
/data/data1
c0000000496761b8 2 2 0 175000 174947 PI-
/opt/informix
/data/data2
c0000000496762e0 3 3 750000 125000 124947 PI-
/opt/informix
/data/data1
c000000049676408 4 4 0 1016000 1015947 PI-
/opt/informix
/data/data3
c000000049676530 5 4 0 1016000 0 PI-
/opt/informix
/data/data4
c000000049676658 6 4 0 1016000 0 PI-
/opt/informix
/data/data5
c000000049676780 7 4 0 1016000 0 PI-
/opt/informix
/data/data6
c0000000496768a8 8 4 0 1016000 0 PI-
/opt/informix
/data/data7
c0000000496769d0 9 4 0 1016000 0 PI-
/opt/informix
/data/data8
c000000049676af8 10 4 0 1016000 0 PI-
/opt/informix
/data/data9
c000000049676c20 11 4 0 1016000 0 PI-
/opt/informix
/data/data10
c000000049676d48 12 4 0 1016000 0 PI-
/opt/informix
/data/data11
c000000049676e70 13 4 0 1016000 0 PI-
/opt/informix
/data/data12
c000000049676f98 14 4 0 1016000 0 PI-
/opt/informix
/data/data13
c0000000496770c0 15 4 0 1016000 1015997 PI-
/opt/informix
/data/data14
c0000000496771e8 16 4 0 1016000 1015997 PI-
/opt/informix
/data/data15
c000000049677310 17 4 0 1016000 1015997 PI-
/opt/informix
/data/data16
c000000049677438 18 5 0 1016000 13 PI-
/opt/informix
/data/data17
c000000049677560 19 5 0 1016000 7 PI-
/opt/informix
/data/data18
c000000049677688 20 5 0 1016000 848816 PI-
/opt/informix
/data/data19
c0000000496777b0 21 5 0 1016000 1015997 PI-
/opt/informix
/data/data20
c0000000496778d8 22 6 175000 508000 242993 PI-
/opt/informix
/data/data2
c000000049677a00 23 7 875000 50000 49943 PI-
/opt/informix
/data/data1
c000000049677b28 24 8 925000 50000 49943 PI-
/opt/informix
/data/data1
c000000049677c50 25 9 508000 508000 290493 PI-
/opt/informix
/data/data21
c000000049677d78 26 10 0 1016000 936843 PI-
/opt/informix
/data/data22
c000000049677ea0 27 11 0 1016000 489555 PI-
/opt/informix
/data/data23
c0000000496a6028 28 12 0 1016000 1015839 PI-
/opt/informix
/data/data24
c0000000496a6150 29 12 0 1016000 1015997 PI-
/opt/informix
/data/data25
c0000000496a6278 30 13 0 1016000 1015847 PI-
/opt/informix
/data/data26
c0000000496a63a0 31 13 0 1016000 1015997 PI-
/opt/informix
/data/data27
c0000000496a64c8 32 14 0 1016000 1015343 PI-
/opt/informix
/data/data28
c0000000496a65f0 33 14 0 1016000 1015997 PI-
/opt/informix
/data/data29
c0000000496a6718 34 15 0 175000 4947 PI-
/opt/informix
/data/data31
c0000000496a6840 35 16 175000 125000 74947 PI-
/opt/informix
/data/data31
c0000000496a6968 36 15 300000 200000 84997 PI-
/opt/informix
/data/data31
36 active, 2047 maximum
(informix)/home/informix> onstat -
Informix Dynamic Server Version 7.31.FD6 -- Fast Recovery (CKPT REQ) --
Up 2
days 19:47:52 -- 662224 Kbytes
Blocked:CKPT
18:33:00 Event alarms enabled. ALARMPROG = '/usr/informix/etc/log_full.sh'
18:33:09 DR: DRAUTO is 0 (Off)
18:33:09 Requested shared memory segment size rounded from 604KB to 608KB
18:33:10 Informix Dynamic Server Version 7.31.FD6 Software Serial
Number AC
N#
18:33:10 Informix Dynamic Server Initialized -- Shared Memory Initialized.
18:33:10 Dataskip is now OFF for all dbspaces
18:33:10 Restartable Restore has been DISABLED
18:33:10 Recovery Mode
18:33:15 Physical Restore of rootdbs, logdbs, physdbs, wlthdbs, cometsdbs,
wipl
otdbs, ntcdatdbs, lecdatdbs, cmtsumdbs, ntcenhdbs, pwlthdbs, logdbs1,
phydbs1 st
arted.
18:33:23 Checkpoint Completed: duration was 1 seconds.
18:33:23 Checkpoint loguniq 20875, logpos 0xd50018
18:33:24 Checkpoint Completed: duration was 0 seconds.
18:33:24 Checkpoint loguniq 20875, logpos 0xd50018
18:33:24 Checkpoint Completed: duration was 0 seconds.
18:33:24 Checkpoint loguniq 20875, logpos 0xd50018
22:31:08 Checkpoint Completed: duration was 1 seconds.
22:31:08 Checkpoint loguniq 20875, logpos 0xd50018
:q!
(informix)/usr/informix>
----------------------------------------------------------------------------
----
I want answers to the following questions :-
1] When I do ontape -p , it does ask me "take logical backup [Y/N] ?"
What should I do ?
I gave "N" and proceeded with the cold restore.
Is the above right action ?
Yes, that's right you do not want to perform a logical restore as you want
to completely wipe the secondary database and replace it with the primary.
2] Why doesnt the restore complete ?
I assume you did the following:
1. Ran ontape -s -L 0 on the primary
2. Ran onmode -d primary <secondary server name> on the secondary
3. Did either of the following:
- Copied across the Database backup created in step 1 from the primary
to the secondary.
- On the secondary, the TAPEDEV parameter is pointing to the database backup
created in step 1.
You should send on your onconfig file (onstat -c).
3] The level-0 backup on primary takes around 10 hours , should the restore
take more than that or how much time should the "ontape -p" run ?
10 hours see
1]
When I do ontape -p , it does ask me "take logical backup [Y/N] ?"
What should I do ?
answer No.
This means that your secondary server has been initialised and has some
logs that are not been backuped. Your secondary server may be new, without
a first initialisation. We do a complete restore, don't we ?
2] Why doesnt the restore complete ? Have you wait enough time ? do you see
disk activity with iostat or something else ?
I have made 2 litte informixservers and constructs HDR between them. So i
knew which behaviour and messages to expect.
3] The level-0 backup on primary takes around 10 hours , should the restore
take more than that or how much time should the "ontape -p" run ?
Almost more, if both servers have the same hardware and same applications.
My experience :the restore of the logs take a long, long time.
4] When it does complete, whats should be the status of the informix server
i.e. "onstat - " should show what output ?
After completion the secondary server will always stays in Recovery Mode
(Read Only). I'm not so sure from the "Read Only" in the banner.
I've tested HDR in informix7.3 as follows :
on primary :
ontape -s -L 0
onmode -d primary g_oebarrep # set as primary
on secondary :
ontape -p (in log file : Recovery mode)
onmode -d secondary g_oebar (in log : DR: Start failure recover from
tape)
ontape -lrollforward should start at log 6
another tape : N
(in log DR: in log failure recover from disk)
the secondary log files :
14:48:29 Event alarms enabled. ALARMPROG = '/usr/informix/etc/no_log.sh'
14:48:29 VP pid=41056 priority fixed at 65, former = 65
14:48:29 VP pid=39526 priority fixed at 65, former = 65
14:48:34 DR: DRAUTO is 0 (Off)
14:48:34 Informix Dynamic Server Version 7.31.UD2 Software Serial Number
AAD#A244485
14:48:34 Dynamically allocated new virtual shared memory segment (size
8192KB)
14:48:34 Informix Dynamic Server Initialized -- Shared Memory Initialized.
14:48:35 Dataskip is now OFF for all dbspaces
14:48:35 Restartable Restore has been DISABLED
14:48:35 Recovery Mode
14:48:37 Physical Restore of rootdbs started.
14:48:47 Checkpoint Completed: duration was 0 seconds.
14:48:47 Checkpoint loguniq 6, logpos 0x2b018
14:48:47 Physical Restore of rootdbs Completed.
14:48:47 Checkpoint Completed: duration was 0 seconds.
14:48:47 Checkpoint loguniq 6, logpos 0x2b018
14:48:47 Physical Restore of datadbs started.
14:49:17 Checkpoint Completed: duration was 0 seconds.
14:49:17 Checkpoint loguniq 6, logpos 0x2b018
14:49:17 Physical Restore of datadbs Completed.
14:49:17 Checkpoint Completed: duration was 0 seconds.
14:49:17 Checkpoint loguniq 6, logpos 0x2b018
14:55:53 DR: new type = secondary, primary server name = oebar
14:55:53 DR: Trying to connect to primary server ...
14:55:58 DR: Secondary server connected
14:55:59 DR: Start failure recovery from tape ...
14:56:35 Logical Recovery Started.
14:56:35 Start Logical Recovery - Start Log 6, End Log ?
14:56:35 Starting Log Position - 6 0x2b018
14:56:35 Clearing the physical and logical logs has started
14:57:28 Cleared 11 MB of the physical and logical logs in 53 seconds
14:57:29 Checkpoint Completed: duration was 1 seconds.
-----Original Message-----
From: nobody@ace.iiug.org [mailto:nobody@ace.iiug.org]
Sent: 27 June 2005 08:47
To: ids@iiug.org
Subject: HDR problem - ontape -p [5257]
1] When I do ontape -p , it does ask me "take logical backup [Y/N] ?"
What should I do ?
I gave "N" and proceeded with the cold restore.
Is the above right action ?
2] Why doesnt the restore complete ?
3] The level-0 backup on primary takes around 10 hours , should the restore
take more than that or how much time should the "ontape -p" run ?
4] When it does complete, whats should be the status of the informix server
i.e. "onstat - " should show what output ?
PLEASE give the answers pointwise .
Thanks in advance for ur help/suggestions ...
Regards,
Sagar
------_=_NextPart_001_01C57B15.3D6F2130
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Content-Transfer-Encoding: quoted-printable
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<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3DUS-ASCII">
<META NAME=3D"Generator" CONTENT=3D"MS Exchange Server version =
5.5.2653.12">
<TITLE>RE: HDR problem - ontape -p [5257] </TITLE>
</HEAD>
<BODY>
<P><FONT SIZE=3D2>1] When I do ontape -p , it does ask me "take =
logical backup [Y/N] ?" </FONT>
<BR><FONT SIZE=3D2> What should I do ? </FONT>
</P>
<P><FONT SIZE=3D2> answer No.</FONT>
<BR><FONT SIZE=3D2> This means that your secondary server =
has been initialised and has some logs that are not been =
backuped. Your secondary server may be new, without a first =
initialisation. We do a complete restore, don't we ? </FONT></P>
<P><FONT SIZE=3D2>2] Why doesnt the restore complete ? Have you =
wait enough time ? do you see disk activity with iostat or something =
else ?</FONT></P>
<P><FONT SIZE=3D2> I have made 2 litte informixservers and =
constructs HDR between them. So i knew which behaviour and messages to =
expect.</FONT></P>
<P><FONT SIZE=3D2>3] The level-0 backup on primary takes around 10 =
hours , should the restore take more than that or how much time should =
the "ontape -p" run ?</FONT></P>
<P><FONT SIZE=3D2>Almost more, if both servers have the same hardware =
and same applications. My experience :the restore of the logs =
take a long, long time.</FONT></P>
<P><FONT SIZE=3D2>4] When it does complete, whats should be the status =
of the informix server i.e. "onstat - " should show =
what output ?</FONT>
</P>
<P><FONT SIZE=3D2>After completion the secondary server will always =
stays in Recovery Mode (Read Only). I'm not so sure from the =
"Read Only" in the banner. </FONT></P>
<BR>
<BR>
<P><FONT SIZE=3D2>I've tested HDR in informix7.3 as follows :</FONT>
</P>
<P><FONT SIZE=3D2>on primary : </FONT>
<BR><FONT SIZE=3D2>ontape -s -L 0</FONT>
<BR><FONT SIZE=3D2>onmode -d primary g_oebarrep # set as =
primary</FONT>
</P>
<P><FONT SIZE=3D2>on secondary :</FONT>
<BR><FONT SIZE=3D2>ontape -p (in log file : Recovery =
mode)</FONT>
<BR><FONT SIZE=3D2>onmode -d secondary g_oebar (in =
log : DR: Start failure recover from tape)</FONT>
<BR><FONT SIZE=3D2>ontape -l </FONT>
<BR><FONT SIZE=3D2> rollforward =
should start at log 6</FONT>
<BR><FONT SIZE=3D2> another tape : =
N</FONT>
<BR><FONT =
SIZE=3D2> &nb=
sp; (in log DR: in log failure recover from =
disk)</FONT>
</P>
<P><FONT SIZE=3D2>the secondary log files :</FONT>
<BR><FONT SIZE=3D2>14:48:29&n
Does anyone know how to get off of this email forum?
-----Original Message-----
From: forum.subscriber@iiug.org [mailto:forum.subscriber@iiug.org] On
Behalf Of Support Inf....
Sent: Monday, June 27, 2005 5:43 AM
To: ids@iiug.org
Subject: RE: HDR problem - ontape -p [5262]
1] When I do ontape -p , it does ask me "take logical backup [Y/N] ?"
What should I do ?
answer No.
This means that your secondary server has been initialised and has
some
logs that are not been backuped. Your secondary server may be new,
without
a first initialisation. We do a complete restore, don't we ?
2] Why doesnt the restore complete ? Have you wait enough time ? do you
see
disk activity with iostat or something else ?
I have made 2 litte informixservers and constructs HDR between them.
So i
knew which behaviour and messages to expect.
3] The level-0 backup on primary takes around 10 hours , should the
restore
take more than that or how much time should the "ontape -p" run ?
Almost more, if both servers have the same hardware and same
applications.
My experience :the restore of the logs take a long, long time.
4] When it does complete, whats should be the status of the informix
server
i.e. "onstat - " should show what output ?
After completion the secondary server will always stays in Recovery Mode
(Read Only). I'm not so sure from the "Read Only" in the banner.
I've tested HDR in informix7.3 as follows :
on primary :
ontape -s -L 0
onmode -d primary g_oebarrep # set as primary
on secondary :
ontape -p (in log file : Recovery mode)
onmode -d secondary g_oebar (in log : DR: Start failure recover from
tape)
ontape -lrollforward should start at log 6
another tape : N
(in log DR: in log failure recover from disk)
the secondary log files :
14:48:29 Event alarms enabled. ALARMPROG =
'/usr/informix/etc/no_log.sh'
14:48:29 VP pid=41056 priority fixed at 65, former = 65
14:48:29 VP pid=39526 priority fixed at 65, former = 65
14:48:34 DR: DRAUTO is 0 (Off)
14:48:34 Informix Dynamic Server Version 7.31.UD2 Software Serial
Number
AAD#A244485
14:48:34 Dynamically allocated new virtual shared memory segment (size
8192KB)
14:48:34 Informix Dynamic Server Initialized -- Shared Memory
Initialized.
14:48:35 Dataskip is now OFF for all dbspaces
14:48:35 Restartable Restore has been DISABLED
14:48:35 Recovery Mode
14:48:37 Physical Restore of rootdbs started.
14:48:47 Checkpoint Completed: duration was 0 seconds.
14:48:47 Checkpoint loguniq 6, logpos 0x2b018
14:48:47 Physical Restore of rootdbs Completed.
14:48:47 Checkpoint Completed: duration was 0 seconds.
14:48:47 Checkpoint loguniq 6, logpos 0x2b018
14:48:47 Physical Restore of datadbs started.
14:49:17 Checkpoint Completed: duration was 0 seconds.
14:49:17 Checkpoint loguniq 6, logpos 0x2b018
14:49:17 Physical Restore of datadbs Completed.
14:49:17 Checkpoint Completed: duration was 0 seconds.
14:49:17 Checkpoint loguniq 6, logpos 0x2b018
14:55:53 DR: new type = secondary, primary server name = oebar
14:55:53 DR: Trying to connect to primary server ...
14:55:58 DR: Secondary server connected
14:55:59 DR: Start failure recovery from tape ...
14:56:35 Logical Recovery Started.
14:56:35 Start Logical Recovery - Start Log 6, End Log ?
14:56:35 Starting Log Position - 6 0x2b018
14:56:35 Clearing the physical and logical logs has started
14:57:28 Cleared 11 MB of the physical and logical logs in 53 seconds
14:57:29 Checkpoint Completed: duration was 1 seconds.
-----Original Message-----
From: nobody@ace.iiug.org [mailto:nobody@ace.iiug.org]
Sent: 27 June 2005 08:47
To: ids@iiug.org
Subject: HDR problem - ontape -p [5257]
1] When I do ontape -p , it does ask me "take logical backup [Y/N] ?"
What should I do ?
I gave "N" and proceeded with the cold restore.
Is the above right action ?
2] Why doesnt the restore complete ?
3] The level-0 backup on primary takes around 10 hours , should the
restore
take more than that or how much time should the "ontape -p" run ?
4] When it does complete, whats should be the status of the informix
server
i.e. "onstat - " should show what output ?
PLEASE give the answers pointwise .
Thanks in advance for ur help/suggestions ...
Regards,
Sagar
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<TITLE>RE: HDR problem - ontape -p [5257] </TITLE>
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<P><FONT SIZE=3D2>1] When I do ontape -p , it does ask me "take =
logical backup [Y/N] ?" </FONT>
<BR><FONT SIZE=3D2> What should I do ? </FONT>
</P>
<P><FONT SIZE=3D2> answer No.</FONT>
<BR><FONT SIZE=3D2> This means that your secondary server =
has been initialised and has some logs that are not been =
backuped. Your secondary server may be new, without a first =
initialisation. We do a complete restore, don't we ? </FONT></P>
<P><FONT SIZE=3D2>2] Why doesnt the restore complete ? Have you =
wait enough time ? do you see disk activity with iostat or something =
else ?</FONT></P>
<P><FONT SIZE=3D2> I have made 2 litte informixservers and =
constructs HDR between them. So i knew which behaviour and messages to =
expect.</FONT></P>
<P><FONT SIZE=3D2>3] The level-0 backup on primary takes around 10 =
hours , should the restore take more than that or how much time should =
the "ontape -p" run ?</FONT></P>
<P><FONT SIZE=3D2>Almost more, if both servers have the same hardware =
and same applications. My experience :the restore of the logs =
take a long, long time.</FONT></P>
<P><FONT SIZE=3D2>4] When it does complete, whats should be the status =
of the informix server i.e. "onstat - " should show =
what output ?</FONT>
</P>
<P><FONT SIZE=3D2>After completion the secondary server will always =
stays in Recovery Mode (Read Only). I'm not so sure from the =
"Read Only" in the banner. </FONT></P>
<BR>
<BR>
<P><FONT SIZE=3D2>I've tested HDR in informix7.3 as follows :</FONT>
</P>
<P><FONT SIZE=3D2>on primary : </FONT>
<BR><FONT SIZE=3D2>ontape -s -L 0</FONT>
<BR><FONT SIZE=3D2>onmode -d primary g_oebarrep # set as =
primary</FONT>
</P>
<P><FONT SIZE=3D2>on secondary :</FONT>
<BR><FONT SIZE=3D2>ontape -p (in log file : Recovery =
mode)</FONT>
<BR><FONT SIZE=3D2>onmode -d secondary g_oebar (in =
log : DR: Start failure recover from tape)</FONT>
<BR><FONT SIZE=3D2>ontape -l </FONT>
<BR><FONT SIZE=3D2> rollforward =
should start at log 6</FONT>
<
"GRUBER, CARL M" <CARGRU@SAFECO.com> wrote: > >Does anyone know how to get off of this email forum? Go to the IIUG website (http://www.iiug.org/) and login (see the top left portion of the page). You will need to provide your member number, last name, and email address. If you do not know your member number, go ahead and click the 'Login' button; you may request that the member number be mailed to you. Once logged in, go to the 'Subscribe to E-Mail Lists' area. The SIG (Special Interest Group) mailing lists have a checkbox next to each of them. Simply remove the check mark. When done, finish by selecting the 'Subscribe' button. -- June Hunt
Guys, first, thanks for your help . It gave me directions. The problem was services/sqlhost file already had some "dead" entries which caused confusion [shouldn't happen in a virgin/textbook cases] .
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