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Thanks for the quick reply s
This helps a lot.
Rick

On Thu, Jan 29, 2015, 10:50 Stefan Tageson <Stefan.Tageson@xxxxxxxx> wrote:

Hi Rick,

Short answer: Due to the fact of Single Level Storage, many objects will
reside in memory. Journaling is the way of forcing them to disc where
PowerHA can replicate them.

Best regards

stefan.tageson@xxxxxxxx
M +46 732 369934

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Rick Mason
Sent: den 29 januari 2015 15:54
To: Midrange Systems Technical Discussion
Subject: Power HA and Journaling.

Hi Midrange Group,
This comes down again to not being able to find PowerHA for the system I
classes to get the full grasp of the profuct.
I found out yesterday that another jurisdiction that has almost the same
configuration we have, had to switch to their back up Iseries only to find
when they switched back to the source system they had a large number of
damaged objects due to the objects not being journaled. From what I am
hearing, they assumed like us that in a cluster env. using geo mirroring
that the need for journals on most objects in the data library were not
needed like they would be in a environment such as Mimix that replicates on
the object level.
So, can someone help me understand this a bit better because now I am
being told we are going to have to start journaling most objects in our
data library and this will cause me to lose a lot more disk space.
Not sure if what I am saying is clear or not....please let me know if you
need more information to properly address the question.
Thanks all...................

--
Thanks
Rick
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