We are trying to flash from secondary to tertiary storage and receive the
following error. From what I can see it looks like (reas=82) Wait limit
expired for startup of the indicated partner ANTUXFQE instance. The timeout
was about 30 seconds after the FC started.
18:01:39 | 'XRC='EDCPMSTR
Nine years ago, HDS supported IBM's XRC with their version of it called HRC (or
was it TrueCopy). Not sure if the current Global Mirror code has broken that
compatibility or not. Ron H., feel free to chime in here.
Bob
-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM
I'm looking for anyone who has successfully used z/OS Global Mirroring to
replicate on non-IBM storage. Does it work?
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W dniu 2012-04-24 20:30, Patti McLeskey pisze:
I'm looking for anyone who has successfully used z/OS Global
Mirroring to replicate on non-IBM storage. Does it work?
Yes, it does. You have to have proper license for that. XRC is licensed
feature of DASD array.
What vendor DASD do you use
Undecided yet on which storage vendor will be used. Currently using
vendor-specific replication which requires us to migrate the replication
scripts if/when the vendor is changed. Just trying to understand if XRC/GM is
portable
We are getting cache spikes (100%) while doing a flashcopy from secondary to
tertiary dasd (in the same frame) in our XRC environment. The spikes cause a
suspension of the mirror. Hitachi says they don't see anything unusual, IBM
says the backup is on the secondary controllers and the copy task
I have a problem with XRC now .It seems we should create all the contents of
primary volume on the secondary one before starting XRC.
I faced with the problem when I did'nt create one of the cluster files of
primary volume on secondary one and started the XRC . It has been created
via XRC
Sanaz,
It was mentioned in an earlier mail that XRC operates on the volume level.
It knows nothing about VTOCs, VVDS, or datasets. You don't create anything
on the secondary volume because XRC is designed to copy the Primary volume
over the secondary volume.
When you first create an XRC pair all
Amerigo,
I read some explanations about how DB2 Cloning tool works,As I found this
tool can be used in online mode also and It claims to Provide virtually 24x7
access to data.
There are some steps need to be done to have access to data everytime
which 2 steps between them for Online cloning
Pourdarab
Sent: Sunday, April 19, 2009 11:08 PM
To: IBM-MAIN@bama.ua.edu
Subject: Re: Is Xrc a reasonable solution between two databases created
separately(in DB2)?
Amerigo,
I read some explanations about how DB2 Cloning tool works,As I found this
tool can be used in online mode also and It claims
Amerigo,
Thanks for the information.About the volume of our production tables,
consider just one which has about 460,000,000 rows and Its row length is
about 140 and involves 50 volumes.
We have high rate of Transactions in Prod also .
So this is impossible to suspend DB2 in Production even for
Tim, thanks for the clarification and bringing things out in the open. We have
the remote distance GDPS/XRC in hand for DR and there are no major problems
with that. The issue here is for a local site and I guess the broad question to
ask is, if it is possible to do a mirroring of selected DB2
Farzad,
That's true, but it does not change me answer. There's no free lunch in
this. XRC, TrueCopy, PPRC, SRDF, HUR, etc are all designed to copy volumes.
The volume is the only level of granularity that is understood. These
products are not aware of VTOC, Datasets, VVDS, UCAT or DB2 System
The IBM DB2 Cloning Tool might also provide a solution.
-Original Message-
From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of
farzad yazdi
Sent: Friday, April 17, 2009 5:56 PM
To: IBM-MAIN@bama.ua.edu
Subject: Re: Is Xrc a reasonable solution between two
Hi All,
Does anybody have exprience to use of XRC as a solution in DB2 for
replicating data
between 2 databases (on different lpars) which have been created separately?
I want to replicate data on a different database which I created like my
production database with similar objects names. I
Provide us some details.
In general, yes, there are scenarios where XRC can be used to replicate DB2.
--
Radoslaw Skorupka
Lodz, Poland
--
BRE Bank SA
ul. Senatorska 18
00-950 Warszawa
www.brebank.pl
Sd Rejonowy dla m. st. Warszawy
XII Wydzia Gospodarczy Krajowego Rejestru Sdowego,
nr
.
This is the problem happened when I try to make this XRC between to
different database ( with similar objects' names) .Since I have to define the
target objects with use of vcat not storage group to manage how datasets
being distributed on which volumes, I have to monitor the extension of
datasets in source
: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On
Behalf Of
Sanaz Pourdarab
Sent: Thursday, April 16, 2009 1:59 AM
To: IBM-MAIN@bama.ua.edu
Subject: Re: [IBM-MAIN] Is Xrc a reasonable solution between two databases
created separately(in DB2)?
I 'm trying to do this and I have
Ron I don't know about PRDF but Progagator does put a load on the source CPU
which isn't desirable. This is what's different and quite nice about XRC.
From: IBM Mainframe Discussion List on behalf of Ron Hawkins
Sent: Thu 16/04/2009 03:06
To: IBM-MAIN
I'm still a little unclear on your exact situation, but I think I'm
starting to understand. Do you mean GDPS/XRC, for example? (Are these two
databases separated by some distance?)
I expect you'll get more thoughts in reply. I tend to think of XRC-based
approaches as more appropriate for like
-- snip --
If anyone has Migrated from XRC to Global Mirror, I was wondering if they
could recommend any Docs. (best practices, guidelines...) and or
share their experiences? Thanks in advance!
-- snip --
Mike,
the two methods are considerably different so it is important to review
various
of 'XRC'.
4. Write in--now this is the hard part--some recognizable variant of
'GMfz'.
In other words, this thing is a re-colorization of XRC/SDM. Unless you
actually mean something else, in which case, never mind.
.
.
JO.Skip Robinson
Southern California Edison Company
Electric Dragon Team Paddler
Just remember:
1. The OPTIMIST builds castles in the sky.
2. The REALIST lives in them.
3. The CYNIC collects the rent!
Rick
---
If you're not the lead dog, the view never changes.
Shane wrote:
Hey Skip, you forgot
fetching nor useful.
If the original poster was wondering about changing over from 'XRC' to
'PPRC', I apologize for the digression. The two technologies remain vastly
different despite the mingling/mangling of terminology. We chose 'XRC' ten
years ago for two main reasons:
-- The distance (about 120
If anyone has Migrated from XRC to Global Mirror, I was wondering if
they could recommend any Docs. (best practices, guidelines...) and or
share their experiences? Thanks in advance!
--
For IBM-MAIN subscribe / signoff
If you're talking about transmogrification to 'Global Mirroring for z/OS'
(cough splutter choke), it's not hard but it's gonna take quite a while.
1. Buy a gallon of white-out.
2. Dig through all the doc you have in-house.
3. Paint out every instance of 'XRC'.
4. Write in--now this is the hard
Hey Skip, you forgot the cynicism ... /cynicism tags.
;0)
Shane ...
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.
Either way this caused us data loss on our secondary volumes.
If you running z/OS 1.8 on a data mover system for XRC you should
have the PTF on. This caused us to have to resync our primary to secondary
dasd this past weekend. I've updated the PMR I had open with IBM to send
out an alert
I asked a similar question a few months ago but wondering if anyone out
there who is currently doing remote XRC using Ciena (CN2000) or CNT Edge
technology over fibre.
You can write to me off-line, im wondering why you might of picked one over
the other and technical reasons why. We
FAO Anyone who's interested
Just been told by IBM that XRC device blocking can be displayed in
different places on different vendor hardware.
IE
HDS show device blocking in DISC time
IBM ESS show it in IOSQ time.
If using write pacing, then it's in DISC time for both HDS and IBM.
Regards
Hi folks,
Wondered if anyone could give a difinitive answer to where RMF would show
delays caused by XRC device blocking.
Would it be in the DISC time, or the PEND time. Or maybe somewhere else
altogether.
Much appreciated.
JJ
Joe,
XRC device blocking delays are included in IOSQ time.
_
Paolo Cacciari
Business Continuity and Recovery Services, IBM Global Services - South
Region, EMEA
Via Darwin 85, 20019 Settimo Milanese(MI) – Italy - MISET001
Paolo,
Many thanks again.
I'm currently in a huge argument with the performance team who insist that
XRC device blocking is shown in DISC time. IOSQ time sounds more plausible
as the CU wouldn't reply to a CMR if the device was being actively blocked
so a SSCH wouldn't be issued
In a message dated 11/10/2006 9:42:09 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
I'm currently in a huge argument with the performance team who insist that
XRC device blocking is shown in DISC time. IOSQ time sounds more plausible
as the CU wouldn't reply to a CMR
Bill,
My understanding (could be completely wrong, which is why I'm asking the
question) is
XRC will block a primary volume for a certain amount of time (the time the
device is blocked is dependent on the vendor) if XRC can't keep up with the
records that need to be written
From our experience with XRC, if we have performance problems on the host
or primary DASD, it generally shows up as elongated IOSQ time (VERY
elongated). Part of the issue is, if too much time is spent in a 'device
blocking' state for a particular primary volume, WLM cant jump in an
assign
Many thanks for that Derrick,
We too have started looking at write pacing as we too are a multi vendor
shop. We have found that HDS boxes only add 0.1 second for device blocking
whereas our sharks add a whole second. We still haven't implemented write
pacing so I guess that means our blocking
We are running XRC+GDPS to a Remote site that is
250 miles away. Using two OC48 circuits each routed differently
at least that's what they tell me about the routing.
We are replicating 1500 3390 volumes, about half are M27
volumes. And we are using 8 SDM's, 6 active and 2 CopyOnce.
Let me know
-- snip --
As I said, we modify the label on the source volume so that it can't be
brought online, so IPL will ignore it and only see the volume on the
target disk.
And I wonder what XRC sees during the SWAP with the Target offline,
but since XRC is controller based it should see all of the I/O
FDRPAS issues a warning message if you swap from a duplexed volume to a
non-duplexed volume, but it lets the swap continue. It currently only
tests for PPRC but we plan to add a test for XRC.
But it must be the responsibility of the customer to decide what to do
about the situation
On Fri, 20 Oct 2006 12:33:14 -0400, Bruce Black [EMAIL PROTECTED]
wrote:
FDRPAS issues a warning message if you swap from a duplexed volume to a
non-duplexed volume, but it lets the swap continue. It currently only
tests for PPRC but we plan to add a test for XRC.
But it must
Given that situation, will FDRPAS allow the Swap to complete?
And When complete the Swap Source has a new Vol=ser= label and
the Swap Target has the Source Vol=ser label.
With FDRPAS, the target disk must be offline when the swap starts. We
will complete the swap, although we do warn that it
-- snip --
For Example; if a SWAP Source volume is also an XRC Primary volume,
will TDMF/FDRPAS copy/move the volume?
Or; if a SWAP Target volume is also an XRC Primary volume,
will TDMF/FDRPAS copy/move the Source volume?
.
.
Has anyone else addressed this issue?
Anyone using FDRPAS/TDMF to move
Sure Miran,
Bear in mind this wasn't a support response but an (IBM) XRC guy who was
onsite sat down and drew me the diagram. Took about 2 minutes and was as
confidential as RACF was in the old days.
Basically, once a defined threshold is reached for a consistency delay
(usually 20 or 30
In a message dated 10/17/2006 11:22:53 P.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Could you share the responses you've got. I'm curious too !
Or the eMail of the IBM guy. What a great recommendation. Haven't heard this
kinda story since they dropped SE's and PSR's.
We are setting up a remote D/R site and will be using
XRC to duplex the volumes to the remote site.
This environment is up and running successfully now.
Now we need to update our storage management procedures to fit
into this new environment, and one of the procedures is
how to copy/move volumes
Look up the msg ANTQ8126I and ANTQ8218I, they are the headers
for the info that is in the message about the device that is
being blocked. .
You will see the device vol=ser names and the record set counts left to
read and each field is described, check the MVS M+C book.
Donn Sachs
Hi,
Just thought I'd share IBM(UK)'s response to a simple question asking for a
description of the 5 possible functions for the XRC message ANTX8117I which
indicates a consistency delay detected at
(Primary/Secondary/Buffers/Master/Journal). We have seen an increasing
number
So i guess anyone interested in XRC as it's DR tool had better be aware
that you're not supposed to know how the product you will rely on
actually
works? In the meantime, an IBM guy who had been sent to help discuss our
problems took the 2 minutes required to fully answer the question. Wish
Hi folks,
I'm trying to find a full and concise description for the following XRC
informational messages;
ANTX8117/8 - A description of what is happening for JOURNAL, PRIMARY,
SECONDARY and MASTER. I've read the message from messages and codes but
need to understand what each one means
Are there any users of IBM DS8000, who have production experience with XRC use
for long distance BCP, over 1000 miles
Regards
Bil McKinley
SLF Consulting Services, inc.
67 Wall Street, Ste 2211-0094
New York, NY 10005
m/917.224.6012
t/212.945.0062
[EMAIL PROTECTED]mailto:[EMAIL PROTECTED
Can anyone provide a ball park cost for the XRC feature of Shark?
TIA,
Bill Johnson
Systems Programmer
Antares Management Solutions
23700 Commerce Park Rd.
Beachwood, Ohio 44122
216-292-0400 x3478
[EMAIL PROTECTED
In
[EMAIL PROTECTED],
on 05/11/2005
at 07:10 AM, Richards.Bob [EMAIL PROTECTED] said:
I agree with you that it should not go on, but it does. Not in
meetings, but in hallway conversations. I have been involved with
several mixed-vendor implementations and not one of them was cut and
dried.
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