Concept of pointer on cluster
Hi!
According to my understanding, if I want to know the pointer of a array, I just need to know the pointer of the first element of this array, and then the subsequent element's pointer follows. What about a cluster? Is it the same case?
I am asking this, because I need to input the an array of different datatype into a DLL by reference, so I guess using a cluster is legal here, am I right?
Raymond
F. Schubert wrote:
If you are mainly developing LV, I would suggest this forum as the reading source. RolfK's posts are always a good resource on that topic.
Felix
You had me rolling on the floor Felix because half way through reading this thread I was already thinking Rolf.
Rolf's posting can be found here.
This post by Tomi Maila has links to to some articles that Rolf has written.
Warning:
Drink your coffee first and plan to read his stuff in short bursts. He can very quickly get into details that most people have never heard of, let alone master.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction
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Configuring Discussion and Announcement Connections to point to cluster
Hello,
I'm wondering how I'm supposed to configure my connection to the Discussion server for my Portal sites.
I don't know if I'm suppose to point to the first node of the discussion server on the portal server 1 and to the second node of the discussion server on the portal server 2 ?
Or should I configure my discussions server URL to point to the OHS that will then map to the correct server ? (I don't like this because it means going from lan to dmz to lan again ...)
How do you configure it?
Thanks !
EmilienEmilien,
When you configure your environment for high availability, you will often also add a load balancer in front of the Oracle HTTP Server (OHS)
You should point to that load balancer, which in turn points to one or more OHS's, which in turn point to one or more managed servers, running your discussion app.
If you do not use a load balancer, and have only one OHS in front of multiple managed servers, point to the one OHS.
Kind regards,
Rob -
Hi all, I am having an issue hopefully someone can help me with. I have recently inherited a 2 node cluster,
both nodes are one half of an ASUS
RS702D-E6/PS8 so both nodes should be near identical. They are both running Hyper-V Server 2008 R2 hosting some 14 VM's.
Each node is hooked up via cat5e to a Promise
VessRAID 1830i via iSCSI using one of the servers onboard NICs each, whose cluster network is setup as Disabled for cluster use (the way I think it is supposed to be not the way I had originally inherited it) on it's own Class A Subnet and on it's own
private physical switch...
The SAN hosts a 30GB CSV Witness Disk and 2 2TB CSV Volumes, one for each node labeled Volume1 and Volume2. Some VHD's on each.
The Cluster Clients connect to the rest of the company via the Virtual ExternalNIC adapters created in Hyper-V manager but physically are off of Intel ET Dual Gigabit adapters
wired into our main core switch which is set up with class c subnets.
I also have a crossover cable wired up running to the other ports on the Intel ET Dual Port NICs using yet a third Class B Subnet and is configured in the Failover Cluster
Manger as internal so there are 3 ipv4 Cluster networks total.
Even though the cluster passes the validation tests with flying colors I am not convinced all is well. With Hyperv1 or node 1,
I can move the CSV's and machines over to hyperv2 or node 2, stop the cluster service on 1 and perform maintenance such as a reboot or install patches if needed. When it reboots or I restart the cluster service to bring it back online,
it is well behaved leaving hyperv2 the owner of all 3 CSV's Witness, Volume 1 and 2. I can then pass them back or split them up any which way and at no point is cluster service interrupted or noticed by users, duh I know this is how it is SUPPOSED to work
but...
if I try the same thing with Node 2, that is move the witness and volumes to node 1 as owner and migrate all VM's over, stop cluster service on node 2, do whatever I have
to do and reboot, as soon as node 2 tries to go back online, it tries to snatch volume 2 back, but it never succeeds and then the following error is logged in cluster event log:
Hyperv1
Event ID: 5120
Source: Microsoft-Windows-FailoverClustering
Task Category: Cluster Shared Volume
The listed message is:
Cluster Shared Volume 'Volume2' ('HyperV1 Disk') is no longer available on this node because of 'STATUS_MEDIA_WRITE_PROTECTED(c00000a2)'. All I/O will temporarily be queued until
a path to the volume is reestablished.
Followed 4 seconds later by:
Hyperv1
event ID: 1069
Source: Microsoft-Windows-FailoverClustering
Task Catagory: Resource Control Manager
Message: Cluster Resource 'Hyperv1 Disk in clustered service or application '75d88aa3-8ecf-47c7-98e7-6099e56a097d'
failed.
- AND -
2 of the following:
Hyperv1
event ID: 1038
Source: Microsoft-Windows-FailoverClustering
Task Catagory: Physical Disk Resource
Message: Ownership of cluster disk 'HyperV1 Disk' has been unexpectedly lost by this node. Run the Validate
a Configuration wizard to check your storage configuration.
Followed 1 second later by another 1069 and then various machines are failing messages.
If you browse to
\\hyperv-1\c$\clusterstorage\ or
\\hyperv-2\c$\Clusterstorage\, Volume 2 is indeed missing!!
This has caused me to panic a few times as the first time I saw this I thought everything was lost but I can get it back by stopping the service on node 1 or shutting it
down, restarting node 2 or the service on node 2 and waiting forever for the disk to list as failed and then shortly thereafter it comes back online. I can then boot node 1 back up and let it start servicing the cluster again. It doesn’t pull the same
craziness node 2 does when it comes online; it leaves all ownership with 2 unless I tell I to move.
I am very new to clusters and all I know at this point is this is pretty cool stuff but basically if it is running don’t mess with it is the attitude I have taken
with it but there is a significant amount of money tied up in this hardware and we should be able to leverage this as needed, not wonder if it is going to act up again.
To me it seems for a ‘failover’ cluster it should be way more robust than this...
I can go into way more detail if needed but I didn’t see any other posts on this specific issue no matter what forum I scoured. I’m obviously looking for advice
on how to get this resolved as well as advice on whether or not I wired the cluster networks correctly. I am also not sure about what protocols are bound to what nics anymore and what the binding order should be, could this be what is causing my issue?
I have NVSPBIND and NVSPSCRUB on both boxes if needed.
Thanks!
-LWHello Ravikumar,
Thanks about your attention!
All disks are Online, see below the status of disks, but the problem continues, any ideas?
PS.: For your information, all disks are delivered to hosts by SAN/HBA and all tests from Cluster Validation are passed.
PS C:\Users\hyperv_admin> Get-ClusterSharedVolume
Name State Node
hyperv-04_vol1_fc
Online vmserver27
hyperv-04_vol2_fc
Online vmserver26
hyperv-04_vol3_sata
Online vmserver25
hyperv-04_vol4_sata
Online vmserver27
See below the patches applied on my hosts:
KB2263829 http://support.microsoft.com/?kbid=2263829
KB2425227 http://support.microsoft.com/?kbid=2425227
KB2484033 http://support.microsoft.com/?kbid=2484033
KB2488113 http://support.microsoft.com/?kbid=2488113
KB2492386 http://support.microsoft.com/?kbid=2492386
KB2494016 http://support.microsoft.com/?kbid=2494016
KB2494162 http://support.microsoft.com/?kbid=2494162
KB2505438 http://support.microsoft.com/?kbid=2505438
KB2506014 http://support.microsoft.com/?kbid=2506014
KB2506212 http://support.microsoft.com/?kbid=2506212
KB2506928 http://support.microsoft.com/?kbid=2506928
KB2507618 http://support.microsoft.com/?kbid=2507618
KB2509553 http://support.microsoft.com/?kbid=2509553
KB2510531 http://support.microsoft.com/?kbid=2510531
KB2511250 http://support.microsoft.com/?kbid=2511250
KB2511455 http://support.microsoft.com/?kbid=2511455
KB2512715 http://support.microsoft.com/?kbid=2512715
KB2515325 http://support.microsoft.com/?kbid=2515325
KB2518869 http://support.microsoft.com/?kbid=2518869
KB2520235 http://support.microsoft.com/?kbid=2520235
KB2522422 http://support.microsoft.com/?kbid=2522422
KB2525835 http://support.microsoft.com/?kbid=2525835
KB2529073 http://support.microsoft.com/?kbid=2529073
KB2531907 http://support.microsoft.com/?kbid=2531907
KB2533552 http://support.microsoft.com/?kbid=2533552
KB2536275 http://support.microsoft.com/?kbid=2536275
KB2536276 http://support.microsoft.com/?kbid=2536276
KB2541014 http://support.microsoft.com/?kbid=2541014
KB2544521 http://support.microsoft.com/?kbid=2544521
KB2544893 http://support.microsoft.com/?kbid=2544893
KB2545698 http://support.microsoft.com/?kbid=2545698
KB2547666 http://support.microsoft.com/?kbid=2547666
KB2550886 http://support.microsoft.com/?kbid=2550886
KB2552040 http://support.microsoft.com/?kbid=2552040
KB2552343 http://support.microsoft.com/?kbid=2552343
KB2556532 http://support.microsoft.com/?kbid=2556532
KB2560656 http://support.microsoft.com/?kbid=2560656
KB2563227 http://support.microsoft.com/?kbid=2563227
KB2564958 http://support.microsoft.com/?kbid=2564958
KB2567680 http://support.microsoft.com/?kbid=2567680
KB2570947 http://support.microsoft.com/?kbid=2570947
KB2572077 http://support.microsoft.com/?kbid=2572077
KB2584146 http://support.microsoft.com/?kbid=2584146
KB2585542 http://support.microsoft.com/?kbid=2585542
KB2588516 http://support.microsoft.com/?kbid=2588516
KB2598845 http://support.microsoft.com/?kbid=2598845
KB2603229 http://support.microsoft.com/?kbid=2603229
KB2607047 http://support.microsoft.com/?kbid=2607047
KB2608658 http://support.microsoft.com/?kbid=2608658
KB2618451 http://support.microsoft.com/?kbid=2618451
KB2620704 http://support.microsoft.com/?kbid=2620704
KB2620712 http://support.microsoft.com/?kbid=2620712
KB2621440 http://support.microsoft.com/?kbid=2621440
KB2631813 http://support.microsoft.com/?kbid=2631813
KB2632503 http://support.microsoft.com/?kbid=2632503
KB2633873 http://support.microsoft.com/?kbid=2633873
KB2633952 http://support.microsoft.com/?kbid=2633952
KB2636573 http://support.microsoft.com/?kbid=2636573
KB2639308 http://support.microsoft.com/?kbid=2639308
KB2640148 http://support.microsoft.com/?kbid=2640148
KB2641653 http://support.microsoft.com/?kbid=2641653
KB2641690 http://support.microsoft.com/?kbid=2641690
KB2643719 http://support.microsoft.com/?kbid=2643719
KB2644615 http://support.microsoft.com/?kbid=2644615
KB2645640 http://support.microsoft.com/?kbid=2645640
KB2647516 http://support.microsoft.com/?kbid=2647516
KB2647518 http://support.microsoft.com/?kbid=2647518
KB2654428
http://support.microsoft.com/?kbid=2654428
KB2656356 http://support.microsoft.com/?kbid=2656356
KB2660075 http://support.microsoft.com/?kbid=2660075
KB2665364 http://support.microsoft.com/?kbid=2665364
KB2667402 http://support.microsoft.com/?kbid=2667402
KB976902 http://support.microsoft.com/?kbid=976902
KB982018
http://support.microsoft.com/?kbid=982018
Thanks
Ricardo -
SQL 2008 R2 cluster installation failure - Failed to find shared disks
Hi,
The validation tests in the SQL 2008R2 cluster installation (running Windows 2008 R2) fails with the following error. The cluster has one root mount point with multiple mount points :
"The cluster on this computer does not have a shared disk available. To continue, at least one shared disk must be available'.
The "Detail.txt" log has alot of "access is denied" errors and here is just a sample. Any ideas what might be causing this issue?
2010-09-29 12:54:08 Slp: Initializing rule : Cluster shared disk available check
2010-09-29 12:54:08 Slp: Rule applied features : ALL
2010-09-29 12:54:08 Slp: Rule is will be executed : True
2010-09-29 12:54:08 Slp: Init rule target object: Microsoft.SqlServer.Configuration.Cluster.Rules.ClusterSharedDiskFacet
2010-09-29 12:54:09 Slp: The disk resource 'QUORUM' cannot be used as a shared disk because it's a cluster quorum drive.
2010-09-29 12:54:09 Slp: Mount point status for disk 'QUORUM' could not be determined. Reason: 'The disk resource 'QUORUM' cannot be used because it is a cluster quorum drive.'
2010-09-29 12:54:09 Slp: System Error: 5 trying to find mount points at path
\\?\Volume{e1f5ca48-c798-11df-9401-0026b975df1a}\
2010-09-29 12:54:09 Slp: Access is denied.
2010-09-29 12:54:09 Slp: Mount point status for disk 'SQL01_BAK01' could not be determined. Reason: 'The search for mount points failed. Error: Access is denied.'
2010-09-29 12:54:10 Slp: System Error: 5 trying to find mount points at path
\\?\Volume{e1f5ca4f-c798-11df-9401-0026b975df1a}\
2010-09-29 12:54:10 Slp: Access is denied.
2010-09-29 12:54:10 Slp: Mount point status for disk 'SQL01_DAT01' could not be determined. Reason: 'The search for mount points failed. Error: Access is denied.'
2010-09-29 12:54:10 Slp: System Error: 5 trying to find mount points at path
\\?\Volume{e1f5ca56-c798-11df-9401-0026b975df1a}\
2010-09-29 12:54:10 Slp: Access is denied.
Thanks,
PKHi,
We were asked by the PSS engineer to give the following privileges the account used to install SQL Server - i am referring to the user domain account as apposed to the SQL service account. These privileges were already applied to the
SQL service account prior to the SQL installation. Assigning these privileges to the user account resolved the issue.
Act as Part of the Operating Sywstem = SeTcbPrivileg
Bypass Traverse Checking = SeChangeNotify
Lock Pages In Memory = SeLockMemory
Log on as a Batch Job = SeBatchLogonRight
Log on as a Service = SeServiceLogonRight
Replace a Process Level Token = SeAssignPrimaryTokenPrivilege
Thanks for everyones assistance.
Cheers,
PK -
Cluster Apex MS's across multiple nodes for load balancing?
Can Cluster Apex MS's across multiple nodes for load balancing? If Yes/No, any supportive doc's will be much appreciated.
Here is what I did ..........
I tried multiple MS's on different nodes for Apex Domain (clustered)
Deployed apex.war, i.war with targets pointing to cluster.
Apex listener techstack is shared filesystem $HOME/apex, where apex-config.xml and bdb are available
Anyone of the MS's whichever started up first is locking up bdb and 500 server shows up when internal workspace is being launched with host specific url, where as it works fine for the host which actually locked up bdb (first MS that was started)
2nd MS shows errors as below in log files ..
Caused By: com.sleepycat.je.EnvironmentLockedException: (JE 4.0.103)$HOME/apex/bdb The environment cannot be locked for single writer access. ENV_LOCKED: The je.lck file could not be locked. Environment is invalid and must be closed.
Its expected behavior until here .....
++++ I tried something to get it working ++++
Whilst both MS's are up and running, delete $HOME/apex/bdb but let apex-config,xml be as it is...now the internal workspace urls for both hosts work fine. I logged into host specific urls and navigated, created/edited users.,etc and it is all looking good but it did not create new bdb directory under $HOME/apex ...!!
Having said its working fine, the same issue repeats after the MS's bounce. So I did put a command line to delete bdb dir once the MS comes up to avoid the issue but really not sure if this is the right way at all?
Geek's ...awaiting your advice!!Hey there,
I managed to fulfill my requirement..
If its a cluster on same machine or across machines, this should work
1. Login to machine, cd $DOMAIN_HOME
2. mkdir -p Apex_lsn_config/AdminServer Apex_lsn_config/<MS1> Apex_lsn_config/<MS2> # MS1 and MS2 are the Managed Server names as appropriate
#If you are planning for cluster spawning MS's across machines, make sure you create the dir's on step 2 for each machine respectively. (in my case $DOMAIN_HOME is not shared)
3. Copy apex-config.xml from the /tmp/apex or whatever location you have it currently to Apex_lsn_config/<MS1> Apex_lsn_config/<MS2>
4. cd $DOMAIN_HOME/bin; cp -p SetDomainEnv.sh SetDomainEnv.sh.orig #Backup the file
5. Append -Djava.io.tmpdir in SetDomainEnv.sh as below for JAVA_OPTIONS # Do it on both machine if you are not sharing DOMAIN_HOME and planning cluster across machines
-Djava.io.tmpdir=$DOMAIN_HOME/APEX_CONFIG/${SERVER_NAME}
Hint: Search for "iterativeDev" and append the same line with -Djava.jo.tmpdir
6. Modify "java.io.tmpdir" from the web.xml file of apex.war as below and re-deploy the war
<context-param>
<param-name>config.dir</param-name>
<param-value>${java.io.tmpdir}</param-value>
</context-param>
7. Bounce Weblogic Admin and Manged Servers. Make sure to tail the Managed Server log to see apex-config.xml is picked from the new location.
8. Brew a Coffee for yourself :)
- You find the instructions on creating a cluster from weblogic documentation, the steps mentioned above are only to overcome the bdb locking issue whilst creating a cluster.
Did it help?
Edited by: Oratime on Mar 25, 2013 2:44 AM -
Good afternoon,
I'm looking to build/create an inexpensive two node cluster. I have a SLES11SP1 server that is running XEN as a virtual hosting server, I run about five servers in a virtual environment. I have three USB drives set up to host my Guest servers, what I would like to do is to purchase another USB drive, so that I can use that as an iscsi/SAN server location, it would be 2TB in size, and then I would build my new servers making them cluster enabled. They should then be able to "see" the SAN/iscsi/storage location.
Does anyone have any further suggestions?
Thanks
-DSOriginally Posted by gleach1
while I wouldn't recommend running servers off USB drives (unless this is for testing), I don't see any issue in doing it but the performance may not be fantastic
I really appreciate your responding back and assisting in this testing. This cluster is for testing only, I have a small server farm in my basement, and I have a customer that is using clustering and I would like to at least be able to have something to test with
I've actually run a test cluster off a USB drive using vmware workstation before and it seemed to run fine just as a test system
If you set up your xen host as an iscsi server, use the USB disk as the storage you present to the guests and set them up with iscsi initiators it should work like any other iscsi san would, obviously a touch slower...
Is there some documentation that explains how to do the iscsi server setup that you described? I have the "Configuring Novell Cluster Services in a XEN Virtualization Environment" but I really don't see anything about the iscsi initiator setup, I was going to add the USB drive as a /storage volume on the XEN host, and then point the cluster to that? I will also be adding a third card to handle the clustering network. -
Configure JDBC to Real Application Cluster (RAC)
I'm searching for some documentation on how to setup a JDBC connection to RAC. Can anyone point me in the right direction? Specifically, we're using Weblogic 7 on a Sun Solaris box and using RAC for load balancing and failover protection. I need to know which type of driver to use (Type 2 or 4) and the specific connection information such as naming (or IP) in order to connect to the cluster.
Thanks.Hi buddy,
Let's clarify some points:
Redhat Cluster Suite can create n-node server clusters, load balances incoming IP network requests and supports up to 16 nodes. So, do I need to configure RAC if I'm going to use Redhat Custer Suite?RAC- Real applications clusters, a clustered database so that many instances can accessing only one database, many features available like cache fusion.
CRS- Cluster Solution from Oracle needed to run RAC databases with or without a vendor cluster solution.
with the information above I'd say:
1) If You want to use a cold fail over cluster, You can use a vendor cluster solution or just CRS.
2) If You want to use RAC databases, You must use CRS, with or without a vendor cluster solution. ( since release 10G no more needed to use a vendor cluster solution)
Hope it helps,
Cerreia -
Real Application Cluster (RAC) & Cluster Suite
Redhat Cluster Suite can create n-node server clusters, load balances incoming IP network requests and supports up to 16 nodes. So, do I need to configure RAC if I'm going to use Redhat Cluster Suite?
Hi buddy,
Let's clarify some points:
Redhat Cluster Suite can create n-node server clusters, load balances incoming IP network requests and supports up to 16 nodes. So, do I need to configure RAC if I'm going to use Redhat Custer Suite?RAC- Real applications clusters, a clustered database so that many instances can accessing only one database, many features available like cache fusion.
CRS- Cluster Solution from Oracle needed to run RAC databases with or without a vendor cluster solution.
with the information above I'd say:
1) If You want to use a cold fail over cluster, You can use a vendor cluster solution or just CRS.
2) If You want to use RAC databases, You must use CRS, with or without a vendor cluster solution. ( since release 10G no more needed to use a vendor cluster solution)
Hope it helps,
Cerreia -
Update issues when ESA Virtual replacing C170 Appliance in Cluster Config
I have opened a TAC ticket on this one but was curious if any others experienced the same issue.
I have C170s in Centralized ClusterConfig. I recently learned about the Virtual ESAs after reading about the EOL for C170s in a few years. I think the Virtual ESAs will add a lot of flexibility. The only issue I've noticed was trying to join Virtual ESAs to our Cluster are updates so far.
The first virtual ESA I brought up I was able to initially update it so it could join the cluster. I thought maybe I messed up the network config somewhere. So after messing with it over the Weekend and opening a TAC case with Cisco. I thought I would try configuring the second Virtual ESA. Sure enough updates are working, and no errors. Hooked it up enough to do some quick testing to make sure the listeners were working. Feeling pretty good about it, I join the cluster. Everything copied over configuration wise, I also setup a new ClusterGroup for the Virtual ESAs so I could customize the listeners and interfaces. Before I got too crazy I quickly realized that my updates stop working on the second virtual appliance.
So just curious if there are some configuration compatibility issues between appliance hardware and Virtual we should be aware of. I found some great information from the Forums about forcing updates and reading the tail of the updater_logs, which produced the following:
Info: Dynamic manifest fetch failure: Received invalid update manifest response
I found the fix for non-cluster configured Virtuals for this Update error:
http://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/118065-maintainandoperate-esa-00.html
But this does not for for clusterconfig.
So is my best course of action to:
run the clusterconfig on one of my virtuals,
Remove Virtual from ClusterConfig after config is migrated
Apply CLI fix to point post-cluster config Virtual so it now points to the right update servers
Create new cluster with the now fully Updating Virtual-Uno ESA
Join Remaining virtuals to the newly created cluster and phase out the old physical cluster?
Obviously I left out all the fine details about MX records, IP addresses, Central Reporting and Spam and outbreak reporting. Just want to make sure I'm not missing something, maybe tare down the old clusterconfig first, set it to point to the update servers in the article above. Then I can phase out my old physicals later on down the line as they break down over time and avoid configuring two clusters for every rule change.So it looks like I have found the answer to my own question. Looks like the fix in the following article does apply to Virtual ESA in a cluster.
http://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/118065-maintainandoperate-esa-00.html
Some things I'd like to figure out is, will this change stick, will new virtual nodes pick up the incorrect update URL when I join them to the cluster? I made the changes and all my hosts seem to be updating fine. Will wait and see how well they do over the next few days and let them bake in a little before I push e-mail through them.
Step by Step how it looks with a cluster config from the CLI:
(Machine esa1.yourcompany.com)> updateconfig
Service (images):
Update URL:
Feature Key updates
http://downloads.ironport.com/asyncos
RSA DLP Engine Updates
Cisco IronPort Servers
PXE Engine Updates
Cisco IronPort Servers
Sophos Anti-Virus definitions
Cisco IronPort Servers
IronPort Anti-Spam rules
Cisco IronPort Servers
Outbreak Filters rules
Cisco IronPort Servers
Timezone rules
Cisco IronPort Servers
Enrollment Client Updates (used to fetch certificates for URL Filtering)
Cisco IronPort Servers
Cisco IronPort AsyncOS upgrades
Cisco IronPort Servers
Service (list):
Update URL:
RSA DLP Engine Updates
Cisco IronPort Servers
PXE Engine Updates
Cisco IronPort Servers
Sophos Anti-Virus definitions
Cisco IronPort Servers
IronPort Anti-Spam rules
Cisco IronPort Servers
Outbreak Filters rules
Cisco IronPort Servers
Timezone rules
Cisco IronPort Servers
Enrollment Client Updates (used to fetch certificates for URL Filtering)
Cisco IronPort Servers
Service (list):
Update URL:
Cisco IronPort AsyncOS upgrades
Cisco IronPort Servers
Update interval: 5m
Proxy server: not enabled
HTTPS Proxy server: not enabled
Choose the operation you want to perform:
- SETUP - Edit update configuration.
- CLUSTERSET - Set how updates are configured in a cluster
- CLUSTERSHOW - Display how updates are configured in a cluster
[]>dynamichost
Enter new manifest hostname:port
[update-manifests.ironport.com:443]>update-manifests.sco.cisco.com:443
Choose the operation you want to perform:
- SETUP - Edit update configuration.
- CLUSTERSET - Set how updates are configured in a cluster
- CLUSTERSHOW - Display how updates are configured in a cluster
[]>
(Machine esa1.yourcompany.com)> commit -
WAP321 active clients per cluster
Dear Support,
Please give me deatiled information about the "active clients per cluster" parameter of a WAP321 AP.
Datasheet says active clients per cluster = 80, but i find a presentation where this number is 160 (attached). ???
Another question is, What if i have only 5 WAP321 (not the maximum 8pcs) in my cluster?
How much clients can connect to the cluster at the same time? (20 pcs/AP and 50/cluster or 20 pcs/AP and 80/cluster?)
Other qestion: The information exchange between APs on the same cluster happens wired or wirelessly?
(for examlpe automatic channel selection, or when i config a parameter one of the AP, then this is updated on all the other APs)
Best regards,Hello Sir, Thank you for commenting back. If you would look at the Datasheet again it does confirm what I mentioned here. There are two section: performance mainly deals with the Access Point by itself, Up to 32 connective and 20 recommended. The 80 that you refer to is from the Multi-Access point section from when you have this access point set in a cluster.
Performance
Wireless throughput
Data rate =300 Mbps; actual client throughput will vary.
Recommended user support
Up to 32 connective users, 20 active users
Configuration
Web user interface
Built-in web user interface for easy browser-based configuration (HTTP/HTTPS)
Multi-Access Point Management
Single Point Setup
Yes
Maximum access points per cluster
8
Active clients per cluster
80
As to the the RV router family, if you would like to tell me which problems exactly you are referring to I would be happy to try and address them for you.
Eric Moyers -
Can two cluster run on single role
HI TEAM,
i want to know if the below case is possible or not.
CASE 1:
Can 2 clusters run over a same Role or not ? IF yes what will be the default network name of the 2nd cluster. will it be like [cluster name 2] I tried creating 2 client access point on same role and it works and shows that they
are under same cluster.
if its possible to create 2 cluster over same role, what can be the default network name of that, because i observed that for the 1st access point or cluster the default network name was [cluster name]
sidHi sidhanttiwari,
Base on my experience, you can add two same role to a cluster, you also can customize this roles name as the first role. You can not create two cluster role with same name
but you can add multi IP address to the same client access point.
The related article:
Using Multiple Client Access Points (CAP) in a Windows Server 2008 (R2) Failover Cluster
http://blogs.technet.com/b/askcore/archive/2010/08/24/using-multiple-client-access-points-cap-in-a-windows-server-2008-r2-failover-cluster.aspx
Configuring IP Addresses and Dependencies for Multi-Subnet Clusters - Part III
http://blogs.msdn.com/b/clustering/archive/2011/08/31/10204142.aspx
I’m glad to be of help to you!
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Phone control but CSFs not even Registering
So I have a lab set up where I have two clusters that do not interact at all other than I use the laptops to talk to both clusters.
I have two laptops with two different version of jabber installed.
They are both point to cluster b. The jabber client once where looking at cluster a.
After changing to cluster b I have phone control of deskphones, im and presence, but no soft phone control, softphones show up with red xs.
On CUCM CSF say unregistered.
Under connection status I get
Status: Not connected
Reason: Connection error. Ensure the server information in the Phone Services tab on the Options window is correct. Contact your system administrator for assistance.
Address: 10.201.91.40 (CCMCIP) ---this is call manager address
Protocol: CCMCIP/
Anyone got any ideas on this?
CUCM 8.6.2 and CUPS 8.6.5maybe you want to tell us a bot more about your LAB set up. are you using VMware player in bridged mode?
can you ping to
10.201.91.40 from the Jabber client laptop? acn you attch the jabber client log to the discussion.
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Clustering across subnets.
I am trying to split our CF multiserver cluster into seperate
subnets, and I am having great difficult making it work. I am
hoping that someone else here has done this, can can be of
assistance.
Background:
2 boxes both running mx7 multiserver EE.
2 Jrun servers each box, one cluster.
IIS on both boxes pointed to cluster. Browsing successful
from both webservers.
System was 100% operational pre-split. Testing confirms all 4
severs processing CF code in RR fashion.
Changes:
Moved one server to seperate subnet seperated only by a SOHO
router.
SOHO router configed in router mode, "inside" server set as
DMZ host for 100% port forwarding (no rules)
jrun servers deleted and re-built w/ ip addresses instead of
DNS names.
edited security.propertes to update jrun.trusted.hosts
Results of move:
host 1 - cluster controller operates as expected, less 2
remote jrun servers
2 remote servers as show as stopped.
can access jrun admin and jrun servers cf admin pages (8301,
8302) on remote host
host 2 (remote) - WSconfig can see only default "cfusion"
server.
wsconfig unable to see cluster or other jrun servers on host
1.
IIS will process pages if connected to host 1 - "cfusion"
can access jrun admin and jrun servers cf admin pages (8301,
8302) on remote hosthere is the gospal on clusters although I'm not sure it will answer your question
http://download.oracle.com/docs/cd/E10291_01/core.1013/e10294/toc.htm
what do you mean by subnet, generally all machines are on the same subnet as they sit side by side?
cheers
James -
hi experts
pls give tell me abt new g/lGeneral Ledger Accounting (FI-GL) (New)
The central task of G/L accounting is to provide a comprehensive picture of external accounting and accounts. Recording all business transactions (primary postings as well as settlements from internal accounting) in a software system that is fully integrated with all the other operational areas of a company ensures that the accounting data is always complete and accurate.
Beyond fulfilling the legal requirements, General Ledger Accounting also fulfills other requirements for modern accounting:
· Parallel Accounting
General Ledger Accounting allows you to perform parallel accounting by managing several parallel ledgers for different accounting principles.
· Integration of Legal and Management Reporting
In General Ledger Accounting, you can perform internal management reporting in parallel with legal reporting. For this purpose, the Profit Center Accounting functions are integrated with General Ledger Accounting. Furthermore, you can generate financial statements for any dimension (such as profit center).
· Segment Reporting
General Ledger Accounting supports the segment reports required by the accounting principles IFRS (International Financial Reporting Standards) and US GAAP (Generally Accepted Accounting Principles). For this purpose, General Ledger Accounting contains the Segment dimension.
· Cost of Sales Accounting
You can perform cost of sales accounting in General Ledger Accounting. For this purpose, General Ledger Accounting contains the Functional Area dimension.
Features
General Ledger Accounting comprises the following functions for entering and evaluating posting data:
· Choice between group level or company level
· Automatic and simultaneous posting of all subledger items in the appropriate general ledger accounts (reconciliation accounts)
· Simultaneous updating of the parallel general ledgers and of the cost accounting areas
· Real-time evaluation of and reporting on current posting data, in the form of account displays, financial statements with different balance sheet versions, and additional analyses.
In this way, General Ledger Accounting automatically serves as a complete record of all business transactions. It is the central and up-to-date component for reporting. Individual transactions can be checked at any time in real time by displaying the original documents, line items, and monthly debits and credits at various levels such as:
· Account information
· Journals
· Totals/transaction figures
· Balance sheet/profit and loss evaluations
However, SAP still offers to choose between the New GL and the old Classic GL way of accounting.
There are certain limitations in the new GL and clients are adopting to the new gl concept.
assign points if useful
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