IDS Forum

RE: Some help around ontape restore errno = 2

Posted By: Alexandre Marini
Date: Friday, 19 June 2015, at 7:45 a.m.

In Response To: Re: Some help around ontape restore errno = 2 (Walter)

Thank you all, for confirmations. I will forward this info to the customer IT team.

Best regards.

Alexandre Marini
IBM Informix Certified Professional v10 / v11.50 / v11.70 / v12.10

IBM Information Management Informix Technical Professional

IBM Certified Developer - Informix Genero
BRIUG website administrator
Informix independent consultant

> To: ids@iiug.org
> From: walterlowich@yahoo.com
> Subject: Re: Some help around ontape restore errno = 2 [35294]
> Date: Fri, 19 Jun 2015 06:16:03 -0400
>
> The bottom line is that you must restore to the same binaries as the archive
> was taken from.
>
> Sent from my Verizon Wireless 4G LTE smartphone
>
> -------- Original message --------
> From: Martin Fuerderer <MARTINFU@de.ibm.com>
> Date: 06/19/2015 3:49 AM (GMT-05:00)
> To: ids@iiug.org
> Subject: Re: Some help around ontape restore errno = 2 [35293]
>
> Hi,
>
> the layout of data (and its structure) on disk are fundamentally
> different between a 32-bit and a 64-bit Informix server. Therefore
> restoring a 32-bit archive to a 64-bit server does not work.
> Using "dd" to disk or similar attempts will not change this.
>
> To restore this archive, the appropriate 32-bit version of
> Informix server must be installed. Once the restore was done,
> the data can be exported (e.g. using dbexport) and then imported
> (e.g. using dbimport) to a different Informix server (on a different
> platform or with a different word size).
>
> It should not be a problem to install a 32-bit Informix server
> on the appropriate 64-bit UNIX/Linux OS version. I.e. installing
> IDS 9.30.UC3 for HP-UX on the machine where 9.30.FC3 for
> HP-UX is installed should be possible (but be aware to keep
> these separate ... installation directory, chunks, everything).
> [ I'm not sure about Windows systems with older OS versions. ]
>
> I don't know, whether and how you can identify from the tape
> by itself, on which type and version of OS the archive was
> produced (e.g. Linux vs. HP-UX). Once you have the archive
> on disk (e.g. via dd) you can use UNIX tools to search for strings,
> but I don't know where to look, what to look for and whether you
> will find anything useful. Especially for such an old version I
> can't say anything.
>
> Regards,
> Martin Fuerderer
> --
> IBM Informix Development Munich, Germany
> Information Management
>
> Read about the Informix Warehouse Accelerator:
> http://tinyurl.com/the-iwa-blog
>
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>
> From: "ALEXANDRE MARINI" <alexandre@briug.org>
> To: ids@iiug.org
> Date: 06/18/2015 23:33
> Subject: Some help around ontape restore errno = 2 [35291]
> Sent by: ids-bounces@iiug.org
>
> Hello, my friends.
>
> I am trying to help a client who wants to restore an old ontape backup, in
>
> HPUX.
> Informix backup was made in version 9.30.UC3, but the client installed
> 9.30.FC3.
>
> I can read from the tape device, even with informix user, through strings
> command (I can see the backup header just fine).
>
> All configurations were copied (tape sizes, and block sizes, servernum,
> servername, rootpath was created with right permissions), but ontape -p
> returns:
>
> Please mount tape 1 on /dev/rmt/6m and press Return to continue ...
> Physical restore failed - function read archive backup failed code -1
> errno 2
>
> Any idea that ontape could fail restoring a 32 bits to a 64 bits engine? I
>
> have seing other users complaining, but with different version numbers,
> not
> word sizes only.
> Also I would like to know if I could identify if the backup was not done
> in
> another platform (ie linux). Is that possible through that?
> Maybe I could use dd to copy the files from the tape, for the disk?
>
> Thanks a lot.
> Regards.
>
>
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Messages In This Thread

• Some help around ontape restore errno = 2
  ALEXANDRE MARINI -- Thursday, 18 June 2015, at 5:33 p.m.
  • Re: Some help around ontape restore errno = 2
    Marcus Haarmann -- Friday, 19 June 2015, at 2:02 a.m.
  • Re: Some help around ontape restore errno = 2
    Martin Fuerderer -- Friday, 19 June 2015, at 3:49 a.m.
    • Re: Some help around ontape restore errno = 2
      Walter -- Friday, 19 June 2015, at 6:16 a.m.
      • RE: Some help around ontape restore errno = 2
        Alexandre Marini -- Friday, 19 June 2015, at 7:45 a.m.

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