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IDS Forum

RE: TAPESIZE question.

Posted By: Joerg Volz
Date: Thursday, 1 March 2012, at 12:28 p.m.

In Response To: Re: TAPESIZE question. (Kern Doe)

You write:

target host

informix> ontape -r -rename -f chunklist.SLZ_QAS

Please mount tape 1 on /dev/rmt/0m and press Return to continue ...
Physical restore failed - function read archive backup failed code -1 errno 0

Program over.

Is the target host running on the same hardware and Informix release? Ontape requests the exact release to run.

Mit freundlichen Gren
Joerg Volz
-----------------------------------------------------------------------------

-----Original Message-----
From: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] On Behalf Of Kern Doe
Sent: Thursday, March 01, 2012 5:46 PM
To: ids@iiug.org
Subject: Re: TAPESIZE question. [26419]

Art,
Remember I asked you guys about this?
Ok, so setting TAPESIZE=0 seems to work fine. But it fails to restore, is it
because the tape was said to be in the drive and it's actually not? please see
down below.

Thanks.

Source host

TAPEDEV=/dev/rmt/0m
TAPESIZE=0
TAPEBLK=256

informix> ontape -s -L 0

Please mount tape 1 on /dev/rmt/0m and press Return to continue ...
10 percent done.
20 percent done.
30 percent done.
40 percent done.
50 percent done.
Read/Write End Of Medium enabled: blocks = 2116555

Tape is full ...

Please label this tape as number 1 in the arc tape sequence.
This tape contains the following logical logs:

1534794

Please mount tape 2 on /dev/rmt/0m and press Return to continue ...
60 percent done.
70 percent done.
80 percent done.
90 percent done.
100 percent done.
Read/Write End Of Medium enabled: blocks = 1584379

Please label this tape as number 2 in the arc tape sequence.

Program over.

------------------------------
target host

informix> ontape -r -rename -f chunklist.SLZ_QAS

Please mount tape 1 on /dev/rmt/0m and press Return to continue ...
Physical restore failed - function read archive backup failed code -1 errno 0

Program over.

________________________________
From: Art Kagel <art.kagel@gmail.com>
To: ids@iiug.org
Sent: Friday, February 24, 2012 5:35 PM
Subject: Re: TAPESIZE question. [26363]

What you could do is to set TAPESIZE to zero, take an ontape archive. If
it fails then the dd command that Paul posted will tell you how much data
was written. If not and ontape successfully asks for another tape, then
you are good to use zero all the time. If ontape is successful but doesn't
ask for another tape, then you know that you are good at least until you
outgrow the length of the tape and ontape either fails or asks for another
tape.

Art

Art S. Kagel
Advanced DataTools (www.advancedatatools.com)
Blog: http://informix-myview.blogspot.com/

Disclaimer: Please keep in mind that my own opinions are my own opinions
and do not reflect on my employer, Advanced DataTools, the IIUG, nor any
other organization with which I am associated either explicitly,
implicitly, or by inference. Neither do those opinions reflect those of
other individuals affiliated with any entity with which I am affiliated nor
those of the entities themselves.

On Fri, Feb 24, 2012 at 5:32 PM, Art Kagel <art.kagel@gmail.com> wrote:

> First you would have to have written something to the tape (and all the
> way to the end) otherwise it will get an IO error early on.
>
> Art
>
> Art S. Kagel
> Advanced DataTools (www.advancedatatools.com)
> Blog: http://informix-myview.blogspot.com/
>
> Disclaimer: Please keep in mind that my own opinions are my own opinions
> and do not reflect on my employer, Advanced DataTools, the IIUG, nor any
> other organization with which I am associated either explicitly,
> implicitly, or by inference. Neither do those opinions reflect those of
> other individuals affiliated with any entity with which I am affiliated nor
> those of the entities themselves.
>
>
>
>
> On Fri, Feb 24, 2012 at 5:30 PM, Paul Watson <paul@oninit.com> wrote:
>
>> you could
>>
>> dd if=/dev/null os=<tape> bs=2048K
>>
>> and let it run, when it errors you should get a block count
>>
>> Cheers
>> Paul
>>
>> > Hello Informix gurus,
>> > If I do not know the capacity of the tape, how do I specify TAPESIZE so
>> > that
>> > whatever the maximum size of the tape can be used? I'm running with
>> > 9.40.FC5XS
>> > on HP11.11?
>> >
>> > Is it "TAPESIZE=." ?
>> >
>> > Thanks in advance for any inputs.
>> > Kern --
>> >
>> >
>> >
>>
>>

*******************************************************************************
>> > Forum Note: Use "Reply" to post a response in the discussion forum.
>> >
>>
>> --
>> Paul Watson
>> Tel: +1 913-674-0360
>> Mob: +1 913-387-7529
>> Web: www.oninit.com
>>
>> www.advancedatatools.com
>>
>> Failure is not as frightening as regret.
>> If you want to improve, be content to be thought foolish and stupid.
>>
>>
>>
>>

*******************************************************************************
>> Forum Note: Use "Reply" to post a response in the discussion forum.
>>
>>
>

--14dae9340b9bf7d06404b9bd5ed9

*******************************************************************************
Forum Note: Use "Reply" to post a response in the discussion forum.

*******************************************************************************
Forum Note: Use "Reply" to post a response in the discussion forum.

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