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тАО01-19-2010 01:16 AM
тАО01-19-2010 01:16 AM
Re: hp eva 4400 performance issue with CA replication and MPX110
Do you have other VMware hosts accessing the same LUNs? Do you get the same loss of connectivity?
What is your path policy in VMware? vCenter > Problem_Host > Configuration > Storage Adapters...
...Right-click the datastore with ID: naa.600508b4000a54db0000900000400000 and click Manage Paths
Simon
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тАО01-19-2010 02:12 AM
тАО01-19-2010 02:12 AM
Re: hp eva 4400 performance issue with CA replication and MPX110
we have 8 VMware hosts see the same LUNs for VMotions.
and error message for vmoware appear on all vmware hosts.
the path policy in VMware round robin also we try fixed and mtu the same problem appeared
** ithink our issue with storage not with vmware because also when try to replicate windows LUN we found :
" Excessive PING response time on the inter site link is preventing acceptable replication throughput: Reducing data exchange resources "
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тАО01-19-2010 03:05 AM
тАО01-19-2010 03:05 AM
Re: hp eva 4400 performance issue with CA replication and MPX110
- Log an HP call and send them supportshows of all the switches in the fabric. Let them look at the replication ports to check if there are any LLI (Link Line Interrupts) errors.
- The MPX110's are very itchy for fluctuating bandwidths. Use QOS, this is absolutely necessary.
- Check the writehistorylog size when replicating data. Do you see them getting filled up rather quickly?
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тАО01-19-2010 03:18 AM
тАО01-19-2010 03:18 AM
Re: hp eva 4400 performance issue with CA replication and MPX110
we have 8 VMware hosts see the same LUNs for VMotions.
and error message for vmoware appear on all vmware hosts.
the path policy inthe VMware is round robin also we try fixed and mtu the same problem appeared
** I think our issue is with storage not with the vmware because when we try to replicate windows LUN ,we noticed the following:
" Excessive PING response time on the inter site link is preventing acceptable replication throughput: Reducing data exchange resources "
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тАО01-20-2010 01:52 AM
тАО01-20-2010 01:52 AM
Re: hp eva 4400 performance issue with CA replication and MPX110
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тАО01-20-2010 11:18 PM
тАО01-20-2010 11:18 PM
Re: hp eva 4400 performance issue with CA replication and MPX110
- we Loged acall with hp support then they told us it is not support case it is installtion case then they close the case
we will try to open new case with them
about writehistorylog size when replicating data itnot filled quickly also
our problem appear from the begning after creating any dr group.
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тАО01-29-2010 01:13 AM
тАО01-29-2010 01:13 AM
Re: hp eva 4400 performance issue with CA replication and MPX110
Real Pre requiste 2*40Mb without mpx or double disk volume, cache disk = vdisk because if only 1*40Mb and if the Wan HS > All Vm on San freeze during replication, even for a small vdisk
Sorry for language
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тАО01-31-2010 02:09 PM
тАО01-31-2010 02:09 PM
Re: hp eva 4400 performance issue with CA replication and MPX110
you mention you face same problems on VMs with HP CA,
is the problem on CA replication or using the MPX110, or the WAN speed, please more detail and explanation for your issu you face
Thanks again for any suggestion to solve this issue.
we still running on same problem some tims VMs not responding when replicate any vdisk.
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тАО02-01-2010 05:33 AM
тАО02-01-2010 05:33 AM
Re: hp eva 4400 performance issue with CA replication and MPX110
Error message excessive ping, Vm on San freeze.
Latest 4400 Firmware test > Same problem
Now it's ok with HP Storage mirroring, but more admin, tunning ...
Another problem here
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1401330
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тАО05-23-2010 12:42 AM
тАО05-23-2010 12:42 AM