It's been a few months since I have done this, and I don't want to screw it
up. I am allocating DASD for a guest. When I use the Q DASD FREE command,
is all that is returned available for allocation? Thanks.
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For LINUX-390 su
Short answer is not necessarily - it just shows you DASD which is currently
in use by a user or the system.. If you share DASD with other LPARs - it
could belong to them. It all depends on your DASD setup, and your
methodology for allocation to guests. It also depends on whether you use a
dire
Sorry - should have been 'DASD which is currently NOT in use by a user or
the system'..
Scott Rohling
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Thanks Scott. What information is needed. There has to be a way to
determine which volumes you can use.
Thanks again.
On Sat, Jun 21, 2014 at 9:05 PM, Scott Rohling
wrote:
> Sorry - should have been 'DASD which is currently NOT in use by a user or
> the system'..
>
> Scott Rohling
>
>
> -
Normally - the z/VM sysprog would have a good handle on that... All anyone
can say is that QUERY DASD FREE just shows you what is 'currently' NOT in
use by this system or a guest. It could be in use by another LPAR - it
could be used by a guest that isn't currently running. In my various
custo
That is the situation. When the volumes were created, they were named to
indicate what was free. But two folks did it, and one used the label FREE,
but I forget what the other one was. I have enough labeled FREE for me to
do what I need to do now, and I can e-mail the person who set this up for
egards,
Alan Altmark
IBM Lab Services
-
Sent from my BlackBerry Handheld.
- Original Message -
From: Cameron Seay [cws...@gmail.com]
Sent: 06/21/2014 09:18 PM AST
To: LINUX-390@vm.marist.edu
Subject: Re: [LINUX-390] Which DASD is free
Thanks Scott. What information is
s a good process to reliably track the life of a volume.
>
>
>
> Regards,
>
> Alan Altmark
> IBM Lab Services
>
> -
> Sent from my BlackBerry Handheld.
>
>
> - Original Message -
> From: Cameron Seay [cws...@gmail.com]
> Sent: 06/21/2
y have visible dasd that are not available.
> >
> > So it takes a good process to reliably track the life of a volume.
> >
> >
> >
> > Regards,
> >
> > Alan Altmark
> > IBM Lab Services
> >
> > -
> > Sent from my BlackBe
the user who
> has
> > > it logs on. Likewise for DEVNO minidisks.
> > >
> > > And as Scott said, you may have visible dasd that are not available.
> > >
> > > So it takes a good process to reliably track the life of a volume.
> > >
> > >
>>> On 6/22/2014 at 12:43 AM, Cameron Seay wrote:
> So when I see free that is not a sysprog assigned label, but an indication
> of being uninitialized?
Possibly. The guy who maintains our System z box will run cpfmtxa on a DASD
volume that has been released from use and assign a volser of FRE
e a dedicated user volume will show FREE until the user who
> > has
> > > > it logs on. Likewise for DEVNO minidisks.
> > > >
> > > > And as Scott said, you may have visible dasd that are not available.
> > > >
> > > > So it takes
a volume.
Regards,
Alan Altmark
IBM Lab Services
-
Sent from my BlackBerry Handheld.
- Original Message -
From: Cameron Seay [cws...@gmail.com]
Sent: 06/21/2014 09:18 PM AST
To: LINUX-390@vm.marist.edu
Subject: Re: [LINUX-390] Which DASD is free
Thanks Scott. Wha
Ah, yes, so Q DASD FREE will report on free space... but will it return
CONTIGUOUS free space (ISTR minidisk granularity is in "cylinders")? Or
will it just be the count of cylinders (or whatever "granularity" the
device, like FBA, which might not be reported in cylinders) that haven't
been alloca
>>> On 6/22/2014 at 08:37 AM, John Campbell wrote:
> Ah, yes, so Q DASD FREE will report on free space... but will it return
> CONTIGUOUS free space (ISTR minidisk granularity is in "cylinders")? Or
> will it just be the count of cylinders (or whatever "granularity" the
> device, like FBA, which
Ah, yes, "DASD volumes"...
(chuckles)
I spent a LOT of time doing AIX support-- both before p5 hypervisors and
after-- so, really, what is a "DASD volume"?
Is it a physical volume? (Which, using a hypervisor, may be mapped into a
logical volume, or, via a SAN, is declared "physical" also despit
That's why I love this forum. When I have a question that on the surface
may appear to be pretty simple, you guys educate me in that with enterprise
technologies, nothing is simple. These answers have been extremely
insightful. The main guy that sets our physical environment up chimed in
and and
I wrote a REXX program that reads through a disk (any disk that can be
attached or linked to a CMS vm) and reports what is finds. i.e. VOL1
labels, CMS1 labels, CMS files, gaps between labels, overlaps etc.
It is not the first defense, but I find it helpful to answer the question
'What's On MY Disk
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