Looking at this myself for a customer.
Just to confirm,
when you reclaim a JB cartridge that was written by an E05, let it go scratch, 
then write it from the beginning on an E06 drive, you get it written at higher 
density but you do NOT have to relabel the cartridge, correct?


-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
William Sefranek
Sent: Wednesday, February 27, 2013 4:37 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] 3592 upgrades....

Allen,

You are recalling correctly as I have done the exact same thing. We are 
currently migrating from our 3494 library with 3592 E05 drives to a 3584 
library with 3592 E07 drives. I have removed some of our old scratch
3952 E05 JB tapes from our 3494 to use in the 3584 without incident.
They are working fine using the 3592-4C format. The 3592 E07 drives will only 
read tapes written with the 3592-2C format but as you pointed out when the 
tapes go through a scratch cycle and then are written to using the 3592-4C 
format you will realize the increase in storage capacity.

Here is a 3592 format matrix from IBM:
https://www.ibm.com/developerworks/mydeveloperworks/wikis/home/wiki/IBM%20Removable%20Media%20on%20IBM%20i/page/3592%20Cartridges%20and%20Drives%20compatibility%20on%20IBM%20i?lang=en

Hope this helps,
Bill

On 2/27/2013 4:00 PM, Allen S. Rout wrote:
> Way back when, when I updated my 3592 drives, I seem to recall I was 
> able to write the higher density format to the old tapes, once they 
> went through a scratch cycle...  We just went through a long period in 
> which space got ... easy. :)
>
> I'm contemplating updating from the E05s to the E07s now, and I want 
> to double-check that this is the case at this transition, too.  Or am 
> I insane and remembering incorrectly?
>
> Any war stories about drive hardware updates?
>
> - Allen S. Rout
>
>


--
William Sefranek
University at Buffalo
Enterprise Infrastructure Services
(716)645-5116