11-23-2010
You don't need nimsh.
Are you using concurrent vg's?
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1. AIX
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Discussion started by: mhenryj
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2. AIX
Hello
I am a noobie to HACMP
I have 2 55A servers and a 7031 disk subsystem
For HACMP to work, do I need to have the hdisks on both servers to match the same drives??
The hdisks on each box are currently different:
hdisk0 and hdisk1 are the internal disks and hdisk2-5 are on the D24 on... (1 Reply)
Discussion started by: mhenryj
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3. AIX
Hi Guys,
I have two nodes clustered. Each node is AIX 5.2 & they are clustered with HACMP 5.2. The mode of the cluster is Active/Passive which mean one node is the Active node & have all resource groups on it & the 2nd node is standby.
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Discussion started by: aldowsary
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4. HP-UX
Hi,
Can anybody advice whether it is possible to configure HACMP in HP-UX Server.
To my knowledge HACMP is IBM Solution.
Thanks && Regards,
N. Poorna Chandra Rao. (2 Replies)
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5. Shell Programming and Scripting
hi,
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6. AIX
Hi,
Can we use network for heartbeat, I mean can we use different network card for heartbeat. (6 Replies)
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7. AIX
hi
can anyone explain the concepts of HACMP and configuration (step by step) (2 Replies)
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8. AIX
hi,
when I do a failover, hacmp always starts db2 but recently it fails to start db2..noticed the issue is db2nodes.cfg is not modified by hacmp and is still showing primary node..manually changed the node name to secondary after which db2 started immediately..unable to figure out why hacmp is... (4 Replies)
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9. AIX
Hi,
I have question about HA. I have 2 node cluster (node A and node B). I have configured network and disk HB. If my network is up and i remove both the fc cables from node A will my cluster failover to node B? I have checked and its not working, if i want my cluster to failover in this... (5 Replies)
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10. AIX
Dear all
i have two aix system
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-host : A, B
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LEARN ABOUT DEBIAN
dispatch_benchmark_f
dispatch_benchmark(3) BSD Library Functions Manual dispatch_benchmark(3)
NAME
dispatch_benchmark -- Measures block execution time
SYNOPSIS
#include <dispatch/dispatch.h>
uint64_t
dispatch_benchmark(size_t count, void (^block)(void));
uint64_t
dispatch_benchmark_f(size_t count, void *context, void (*function)(void *));
DESCRIPTION
The dispatch_benchmark() function executes the given block multiple times according to the count variable and then returns the average number
of nanoseconds per execution. This function is for debugging and performance analysis work. For the best results, pass a high count value
to dispatch_benchmark(). When benchmarking concurrent code, please compare the serial version of the code against the concurrent version,
and compare the concurrent version on different classes of hardware. Please look for inflection points with various data sets and keep the
following facts in mind:
o Code bound by computational bandwidth may be inferred by proportional changes in performance as concurrency is increased.
o Code bound by memory bandwidth may be inferred by negligible changes in performance as concurrency is increased.
o Code bound by critical sections may be inferred by retrograde changes in performance as concurrency is increased.
o Intentional: locks, mutexes, and condition variables.
o Accidental: unrelated and frequently modified data on the same cache-line.
RETURN VALUE
The dispatch_benchmark() function returns the average number of nanoseconds the given block takes to execute.
SEE ALSO
dispatch(3)
Darwin May 1, 2009 Darwin