Yep: Made that mistake more than once. IBM I, just smiles and starts where
it left off. AIX/Linux toss bits all over the floor, and need to restart
from scratch.
--
Jim Oberholtzer
Agile Technology Architects
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Rob
Berendt
Sent: Monday, March 23, 2020 10:15 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Who is your go to person for virtual disks?
Yes I have accidentally varied off the NWSD on the host which hung the
guest. However varying it back on again got the jobs running again without
interruption.
Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail
to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Holger
Scherer
Sent: Monday, March 23, 2020 11:12 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Who is your go to person for virtual disks?
CAUTION: This email originated from outside of the organization. Do not
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In my opinion the did a rather good job in virtualization,
also considering the storage part.
There is a lot of "think big" inside the concepts, but the system
engineer or architect also needs to think big, too. You can outperform
ESXi with a power box rather quickly when it comes to heavy load.
And i really mean heavy load on a 12+ core system creating 1Mio+ I/O.
There is some caveat in resiliency - IBM i does not break when you switch
off the storage and reactivate it. You just need to be patient. But compared
to some weirdness of ESXi managing their fibre channels or iSCSI
paths it does not confuse their multi paths - which we saw several times
in the last 10 years.
-h
Am 23.03.2020 um 16:05 schrieb Patrik Schindler <poc@xxxxxxxxxx>:
As said, I stand corrected. Thanks for that extensive explanation. Now
even more I think that IBM didn't do a good job in proper virtualization of
IBM i in the first place. But maybe it's only me and myself being very
accustomed to the way ESXi handles storage stuff.
--
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