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IDS Forum

Re: Backup/Restore Primary/HDR

Posted By: Informix DBA
Date: Monday, 18 July 2016, at 11:16 a.m.

In Response To: Re: Backup/Restore Primary/HDR (Andreas Legner)

Hi,

So I have not gotten this to work yet. Does anyone have any input or
suggestions on how to make it work? We are using onbar with Veritas
Netbackup.

We are testing the following:

1) Full backup on the primary and also rolling through and backing up a
few logs on the primary.
2) Switchover and promote the HDR to primary
3) Copy over the ixbar file to the new primary and roll through and backup
a few logs on the new primary
4) Then we are trying to restore from the full backup from orig primary
and restore all the logs on orig primary and hdr server.

However, this doesn't work. As you can see from the sample ixbar file
below, the orig primary is called "stg" and the orig hdr is called "tst".
We are able to restore the full backup using "onbar -r -p -w". However,
when we run "onbar -r -l" it will restore all the logs from stg 49-52,
though stops when it gets to log # 53 from the "tst" server. Then the
engine goes into quiescent mode and it will not allow it to start another
log restore.

Sample ixbar file:
-------------------------
stg 48 L 0 56 0 1 1468532739
2016-07-14 17:45:53 1 0 0 56 0 - - 48
1468532737 1468532497 0
stg rootdbs R 1 57 0 1 1468532759
2016-07-14 17:45:57 1 49 1893989 57 0 - - 49
1468532757 1468532737 27
stg 49 L 0 58 0 1 1468532770
2016-07-14 17:46:18 1 0 0 58 0 - - 49
1468532778 1468532737 0
stg 50 L 0 59 0 1 1468532837
2016-07-14 17:47:27 1 0 0 59 0 - - 50
1468532835 1468532778 0
stg 51 L 0 60 0 1 1468532854
2016-07-14 17:47:48 1 0 0 60 0 - - 51
1468532852 1468532835 0
stg 52 L 0 61 0 1 1468532903
2016-07-14 17:48:37 1 0 0 61 0 - - 52
1468532901 1468532852 0
tst 53 L 0 62 0 1 1468597115
2016-07-15 11:38:49 1 0 0 62 0 - - 53
1468597114 1468532901 0
tst 54 L 0 63 0 1 1468597148
2016-07-15 11:39:17 1 0 0 63 0 - - 54
1468597147 1468597114 0

Any suggestions?

Thank You,

--Dave

On Tue, Jul 12, 2016 at 11:54 AM, Informix DBA <in4mixdba@gmail.com> wrote:

> Hi Andreas,
>
> Excellent point and thank you for pointing that out. Yes I will need to
> figure out some sort of sync to keep the ixbar file always moved/current on
> the current primary.
>
> Thank You,
>
> --Dave
>
>
> On Tue, Jul 12, 2016 at 3:30 AM, Andreas Legner <andreas.legner@de.ibm.com
> > wrote:
>
>> Don't forget to transfer (or otherwise synchronize) ixbar file in case
>> you =
>>
>> should have to rely on a cold restore from an (onbar) backup still
>> taken=20
>> on old primary.
>>
>> Andreas
>>
>> From: "Informix DBA" <in4mixdba@gmail.com>
>> To: ids@iiug.org
>> Date: 11.07.2016 18:47
>> Subject: Re: Backup/Restore Primary/HDR [37422]
>> Sent by: ids-bounces@iiug.org
>>
>> Good to hear that the logs will sync. Of course I will test, just
>> wanted=20
>> to make sure I am headed in the right direction.=20
>>
>> Yes I understand after the switchover, all onbar/storage manager
>> backups=20
>> will need to be done on the new primary.=20
>>
>> Thank You,=20
>>
>> --Dave=20
>>
>> On Mon, Jul 11, 2016 at 12:25 PM, Alexandre Marini <=20
>> alexandre@mcsoftware.com.br> wrote:=20
>>
>> > Hi, Dave.=20
>> >=20
>> > Informix HDR do an automatic resync of your logical logs, after=20
>> promotion=20
>> > of a=20
>> > new primary node.=20
>> >=20
>> > You just have to take care about the new primary backups, using onbar
>> +=20
>> > your=20
>> > SM. Your new primary should be the new source for all your backups on=20
>> > tape/disk, ok?=20
>> >=20
>> > Hope it helps.=20
>> > Regards.=20
>> >=20
>> > Atenciosamente,=20
>> > Alexandre Marini=20
>> >=20
>> > [
>> http://mcsoftware.com.br/mc=5Fconteudo/assinaturas/logoassinatura.png]=20
>> > [http://mcsoftware.com.br/mc=5Fconteudo/assinaturas/arquiteturalogo.png]
>> =
>>
>> >=20
>> >
>> =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
>> =5F=5F=5F=5F=5F=5F=5F=5F=20
>> > De: ids-bounces@iiug.org <ids-bounces@iiug.org> em nome de Informix
>> DBA=20
>> > <in4mixdba@gmail.com>=20
>> > Enviado: segunda-feira, 11 de julho de 2016 13:13:17=20
>> > Para: ids@iiug.org=20
>> > Assunto: Backup/Restore Primary/HDR [37417]=20
>> >=20
>> > Hi,=20
>> >=20
>> > We are running 11.70.FC7 on Solaris 11. We use onbar for informix=20
>> > backups. How does backup/restores work when switching from a primary
>> to=20
>> > HDR (new Primary) server? Do I need to do another full backup when=20
>> > promoting an HDR server to Primary or can the logs being backed up by=20
>> the=20
>> > HDR by applied to the backup on the previous primary for the purposes
>> of =
>>
>> > restores?=20
>> >=20
>> > Thank you,=20
>> >=20
>> > --Dave=20
>> >=20
>> > --089e0115fec2e1ec1305375e6d33=20
>> >=20
>> >=20
>> >=20
>> >=20
>>
>> ***************************************************************************=
>> ****=20
>>
>> > Forum Note: Use "Reply" to post a response in the discussion forum.=20
>> >=20
>> >=20
>> >=20
>> >=20
>>
>> ***************************************************************************=
>> ****=20
>>
>> > Forum Note: Use "Reply" to post a response in the discussion forum.=20
>> >=20
>> >=20
>>
>> --94eb2c0d7e3aa400d405375ee7e6=20
>>
>>
>> ***************************************************************************=
>> ****=20
>>
>> Forum Note: Use "Reply" to post a response in the discussion forum.=20
>>
>>
>>
>> *******************************************************************************
>> Forum Note: Use "Reply" to post a response in the discussion forum.
>>
>>
>

--001a1145a96ce729d10537ea72ab

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