Requirements for a HA VMM Cluster

Here is my situation. I want to setup a HA VMM 2012 R2 Environment as outlined in this article: http://blogs.technet.com/b/scvmm/archive/2014/07/03/setting-up-a-highly-available-vmm-2012-environment.aspx
I have run into a couple of snags and I am having a hard time figuring out what exactly the best way to proceed is. I have an existing VMM Server (VMMA) that was setup before I started at my company (by a Microsoft person during the initial System
Center installation engagement) and nobody knows anything about it. I have figured out that it is already setup to store Keys in Active Directory. However, it is only using a single installation of a SQL Server (not a clustered SQL Server).
I have added a second VMM Server (VMMB) but during the installation I don't get any option to add or configure a cluster name.
Here are my questions:
Is it possible that this single installation of a VMM Server is already setup as a "Cluster"? If so, how can I find the Cluster Name? I have searched DNS for anything I can think it might be and haven't found anything.
Will I only be able to name/create a VMM Cluster if I am using a SQL Cluster to store my VMM DB?
Is it a requirement to have the VMM SQL DB Cluster on a separate Hyper-V Cluster from the VMM Cluster or simply a "best practice"?
Is it possible to create a VMM Cluster after the initial installation of VMM was not configured that way?
MCITP | VCP4 | VCP5

Hi,
my respond:-
1. You can check by using Failover Cluster manager console. Besides during VMM installation, when you add 2nd node, it will prompt to add this 2nd server as a node to
the highly available VMM installation.
2. Not really. You can have
a) VMM Cluster with standalone SQL
b) VMM Cluster with SQL cluster
3. It is best to only install Hyper-v roles and do not install other roles. You can create VM to host the SQL
4. Nope. You must select during installation (after setup cluster). The url that you provide has the screenshot that
will ask "Do you want to install management server into cluster".
Lai (My blog:- http://www.ms4u.info)

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Failed preliminary checks for Oracle Real Application Cluster 12C.

Hi, all. Please, help to investigate and solve. Thanks.
[grid@orac1 grid]$ ./runcluvfy.sh stage -pre crsinst -n orac1,orac2 -fixup -verbose
Performing pre-checks for cluster services setup
Checking node reachability...
Check: Node reachability from node "orac1"
Destination Node                      Reachable?
orac1                                 yes
orac2                                 yes
Result: Node reachability check passed from node "orac1"
Checking user equivalence...
Check: User equivalence for user "grid"
Node Name                             Status
orac2                                 passed
orac1                                 passed
Result: User equivalence check passed for user "grid"
Checking node connectivity...
Checking hosts config file...
Node Name                             Status
orac1                                 passed
orac2                                 passed
Verification of the hosts config file successful
Interface information for node "orac1"
Name   IP Address      Subnet          Gateway         Def. Gateway    HW Address        MTU
eth0   10.154.137.101 10.154.137.0    0.0.0.0         10.0.4.2        08:00:27:28:D1:1F 1500
eth1   10.154.138.101 10.154.138.0    0.0.0.0         10.0.4.2        08:00:27:51:E8:B9 1500
eth2   10.0.4.15       10.0.4.0        0.0.0.0         10.0.4.2        08:00:27:5B:D7:29 1500
Interface information for node "orac2"
Name   IP Address      Subnet          Gateway         Def. Gateway    HW Address        MTU
eth0   10.154.137.102 10.154.137.0    0.0.0.0         10.0.4.2        08:00:27:7F:C8:70 1500
eth1   10.154.138.102 10.154.138.0    0.0.0.0         10.0.4.2        08:00:27:9D:27:D8 1500
eth2   10.0.4.15       10.0.4.0        0.0.0.0         10.0.4.2        08:00:27:6E:92:43 1500
Check: Node connectivity of subnet "10.154.137.0"
Source                          Destination                     Connected?
orac1[10.154.137.101]           orac2[10.154.137.102]           yes
Result: Node connectivity passed for subnet "10.154.137.0" with node(s) orac1,orac2
Check: TCP connectivity of subnet "10.154.137.0"
Source                          Destination                     Connected?
orac1:10.154.137.101            orac2:10.154.137.102            failed
ERROR:
PRVF-7617 : Node connectivity between "orac1 : 10.154.137.101" and "orac2 : 10.154.137.102" failed
Result: TCP connectivity check failed for subnet "10.154.137.0"
Check: Node connectivity of subnet "10.154.138.0"
Source                          Destination                     Connected?
orac1[10.154.138.101]           orac2[10.154.138.102]           yes
Result: Node connectivity passed for subnet "10.154.138.0" with node(s) orac1,orac2
Check: TCP connectivity of subnet "10.154.138.0"
Source                          Destination                     Connected?
orac1:10.154.138.101            orac2:10.154.138.102            failed
ERROR:
PRVF-7617 : Node connectivity between "orac1 : 10.154.138.101" and "orac2 : 10.154.138.102" failed
Result: TCP connectivity check failed for subnet "10.154.138.0"
Check: Node connectivity of subnet "10.0.4.0"
Source                          Destination                     Connected?
orac1[10.0.4.15]                orac2[10.0.4.15]                yes
Result: Node connectivity passed for subnet "10.0.4.0" with node(s) orac1,orac2
Check: TCP connectivity of subnet "10.0.4.0"
Source                          Destination                     Connected?
orac1:10.0.4.15                 orac2:10.0.4.15                 failed
ERROR:
PRVF-7617 : Node connectivity between "orac1 : 10.0.4.15" and "orac2 : 10.0.4.15" failed
Result: TCP connectivity check failed for subnet "10.0.4.0"
Interfaces found on subnet "10.0.4.0" that are likely candidates for VIP are:
orac1 eth2:10.0.4.15
orac2 eth2:10.0.4.15
WARNING:
Could not find a suitable set of interfaces for the private interconnect
Checking subnet mask consistency...
Subnet mask consistency check passed for subnet "10.154.137.0".
Subnet mask consistency check passed for subnet "10.154.138.0".
Subnet mask consistency check passed for subnet "10.0.4.0".
Subnet mask consistency check passed.
ERROR:
PRVG-1172 : The IP address "10.0.4.15" is on multiple interfaces "eth2,eth2" on nodes "orac2,orac1"
Result: Node connectivity check failed
Checking multicast communication...
Checking subnet "10.154.137.0" for multicast communication with multicast group "224.0.0.251"...
PRVG-11138 : Interface "10.154.137.101" on node "orac1" is not able to communicate with interface "10.154.137.101" on node "orac1" over multicast group "224.0.0.251"
PRVG-11138 : Interface "10.154.137.101" on node "orac1" is not able to communicate with interface "10.154.137.102" on node "orac2" over multicast group "224.0.0.251"
PRVG-11138 : Interface "10.154.137.102" on node "orac2" is not able to communicate with interface "10.154.137.101" on node "orac1" over multicast group "224.0.0.251"
PRVG-11138 : Interface "10.154.137.102" on node "orac2" is not able to communicate with interface "10.154.137.102" on node "orac2" over multicast group "224.0.0.251"
Checking subnet "10.154.138.0" for multicast communication with multicast group "224.0.0.251"...
PRVG-11138 : Interface "10.154.138.101" on node "orac1" is not able to communicate with interface "10.154.138.101" on node "orac1" over multicast group "224.0.0.251"
PRVG-11138 : Interface "10.154.138.101" on node "orac1" is not able to communicate with interface "10.154.138.102" on node "orac2" over multicast group "224.0.0.251"
PRVG-11138 : Interface "10.154.138.102" on node "orac2" is not able to communicate with interface "10.154.138.101" on node "orac1" over multicast group "224.0.0.251"
PRVG-11138 : Interface "10.154.138.102" on node "orac2" is not able to communicate with interface "10.154.138.102" on node "orac2" over multicast group "224.0.0.251"
Checking subnet "10.0.4.0" for multicast communication with multicast group "224.0.0.251"...
PRVG-11138 : Interface "10.0.4.15" on node "orac1" is not able to communicate with interface "10.0.4.15" on node "orac1" over multicast group "224.0.0.251"
PRVG-11138 : Interface "10.0.4.15" on node "orac1" is not able to communicate with interface "10.0.4.15" on node "orac2" over multicast group "224.0.0.251"
PRVG-11138 : Interface "10.0.4.15" on node "orac2" is not able to communicate with interface "10.0.4.15" on node "orac1" over multicast group "224.0.0.251"
PRVG-11138 : Interface "10.0.4.15" on node "orac2" is not able to communicate with interface "10.0.4.15" on node "orac2" over multicast group "224.0.0.251"
Checking ASMLib configuration.
Node Name                             Status
orac1                                 passed
orac2                                 passed
Result: Check for ASMLib configuration passed.
Check: Total memory
Node Name     Available                 Required                  Status
orac2         5.714GB (5991520.0KB)     4GB (4194304.0KB)         passed
orac1         5.714GB (5991520.0KB)     4GB (4194304.0KB)         passed
Result: Total memory check passed
Check: Available memory
Node Name     Available                 Required                  Status
orac2         5.2293GB (5483324.0KB)    50MB (51200.0KB)          passed
orac1         5.1456GB (5395600.0KB)    50MB (51200.0KB)          passed
Result: Available memory check passed
Check: Swap space
Node Name     Available                 Required                  Status
orac2         6.125GB (6422520.0KB)     5.714GB (5991520.0KB)     passed
orac1         6.125GB (6422520.0KB)     5.714GB (5991520.0KB)     passed
Result: Swap space check passed
Check: Free disk space for "orac2:/usr,orac2:/var,orac2:/etc,orac2:/sbin,orac2:/tmp"
Path              Node Name     Mount point   Available     Required      Status
/usr              orac2         /             37.8398GB     1.0635GB      passed
/var              orac2         /             37.8398GB     1.0635GB      passed
/etc              orac2         /             37.8398GB     1.0635GB      passed
/sbin             orac2         /             37.8398GB     1.0635GB      passed
/tmp              orac2         /             37.8398GB     1.0635GB      passed
Result: Free disk space check passed for "orac2:/usr,orac2:/var,orac2:/etc,orac2:/sbin,orac2:/tmp"
Check: Free disk space for "orac1:/usr,orac1:/var,orac1:/etc,orac1:/sbin,orac1:/tmp"
Path              Node Name     Mount point   Available     Required      Status
/usr              orac1         /             32.4382GB     1.0635GB      passed
/var              orac1         /             32.4382GB     1.0635GB      passed
/etc              orac1         /             32.4382GB     1.0635GB      passed
/sbin             orac1         /             32.4382GB     1.0635GB      passed
/tmp              orac1         /             32.4382GB     1.0635GB      passed
Result: Free disk space check passed for "orac1:/usr,orac1:/var,orac1:/etc,orac1:/sbin,orac1:/tmp"
Check: User existence for "grid"
Node Name     Status                    Comment
orac2         passed                    exists(1100)
orac1         passed                    exists(1100)
Checking for multiple users with UID value 1100
Result: Check for multiple users with UID value 1100 passed
Result: User existence check passed for "grid"
Check: Group existence for "oinstall"
Node Name     Status                    Comment
orac2         passed                    exists
orac1         passed                    exists
Result: Group existence check passed for "oinstall"
Check: Group existence for "dba"
Node Name     Status                    Comment
orac2         passed                    exists
orac1         passed                    exists
Result: Group existence check passed for "dba"
Check: Membership of user "grid" in group "oinstall" [as Primary]
Node Name         User Exists   Group Exists User in Group Primary       Status
orac2             yes           yes           yes           yes           passed
orac1             yes           yes           yes           yes           passed
Result: Membership check for user "grid" in group "oinstall" [as Primary] passed
Check: Membership of user "grid" in group "dba"
Node Name         User Exists   Group Exists User in Group Status
orac2             yes           yes           yes           passed
orac1             yes           yes           yes           passed
Result: Membership check for user "grid" in group "dba" passed
Check: Run level
Node Name     run level                 Required                  Status
orac2         5                         3,5                       passed
orac1         5                         3,5                       passed
Result: Run level check passed
Check: Hard limits for "maximum open file descriptors"
Node Name         Type          Available     Required      Status
orac2             hard          4096          65536         failed
orac1             hard          4096          65536         failed
Result: Hard limits check failed for "maximum open file descriptors"
Check: Soft limits for "maximum open file descriptors"
Node Name         Type          Available     Required      Status
orac2             soft          1024          1024          passed
orac1             soft          4096          1024          passed
Result: Soft limits check passed for "maximum open file descriptors"
Check: Hard limits for "maximum user processes"
Node Name         Type          Available     Required      Status
orac2             hard          46654         16384         passed
orac1             hard          46654         16384         passed
Result: Hard limits check passed for "maximum user processes"
Check: Soft limits for "maximum user processes"
Node Name         Type          Available     Required      Status
orac2             soft          1024          2047          failed
orac1             soft          1024          2047          failed
Result: Soft limits check failed for "maximum user processes"
Check: System architecture
Node Name     Available                 Required                  Status
orac2         x86_64                    x86_64                    passed
orac1         x86_64                    x86_64                    passed
Result: System architecture check passed
Check: Kernel version
Node Name     Available                 Required                  Status
orac2         2.6.32-279.el6.x86_64     2.6.32                    passed
orac1         2.6.32-279.el6.x86_64     2.6.32                    passed
Result: Kernel version check passed
Check: Kernel parameter for "semmsl"
Node Name         Current       Configured    Required      Status        Comment
orac1             250           250           250           passed
orac2             250           250           250           passed
Result: Kernel parameter check passed for "semmsl"
Check: Kernel parameter for "semmns"
Node Name         Current       Configured    Required      Status        Comment
orac1             32000         32000         32000         passed
orac2             32000         32000         32000         passed
Result: Kernel parameter check passed for "semmns"
Check: Kernel parameter for "semopm"
Node Name         Current       Configured    Required      Status        Comment
orac1             100           100           100           passed
orac2             100           100           100           passed
Result: Kernel parameter check passed for "semopm"
Check: Kernel parameter for "semmni"
Node Name         Current       Configured    Required      Status        Comment
orac1             128           128           128           passed
orac2             128           128           128           passed
Result: Kernel parameter check passed for "semmni"
Check: Kernel parameter for "shmmax"
Node Name         Current       Configured    Required      Status        Comment
orac1             4398046511104 4398046511104 3067658240    passed
orac2             4398046511104 4398046511104 3067658240    passed
Result: Kernel parameter check passed for "shmmax"
Check: Kernel parameter for "shmmni"
Node Name         Current       Configured    Required      Status        Comment
orac1             4096          4096          4096          passed
orac2             4096          4096          4096          passed
Result: Kernel parameter check passed for "shmmni"
Check: Kernel parameter for "shmall"
Node Name         Current       Configured    Required      Status        Comment
orac1             4294967296    4294967296    599152        passed
orac2             4294967296    4294967296    599152        passed
Result: Kernel parameter check passed for "shmall"
Check: Kernel parameter for "file-max"
Node Name         Current       Configured    Required      Status        Comment
orac1             6815744       6815744       6815744       passed
orac2             6815744       6815744       6815744       passed
Result: Kernel parameter check passed for "file-max"
Check: Kernel parameter for "ip_local_port_range"
Node Name         Current       Configured    Required      Status        Comment
orac1             between 9000 & 65500 between 9000 & 65500 between 9000 & 65535 passed
orac2             between 9000 & 65500 between 9000 & 65500 between 9000 & 65535 passed
Result: Kernel parameter check passed for "ip_local_port_range"
Check: Kernel parameter for "rmem_default"
Node Name         Current       Configured    Required      Status        Comment
orac1             262144        262144        262144        passed
orac2             262144        262144        262144        passed
Result: Kernel parameter check passed for "rmem_default"
Check: Kernel parameter for "rmem_max"
Node Name         Current       Configured    Required      Status        Comment
orac1             4194304       4194304       4194304       passed
orac2             4194304       4194304       4194304       passed
Result: Kernel parameter check passed for "rmem_max"
Check: Kernel parameter for "wmem_default"
Node Name         Current       Configured    Required      Status        Comment
orac1             262144        262144        262144        passed
orac2             262144        262144        262144        passed
Result: Kernel parameter check passed for "wmem_default"
Check: Kernel parameter for "wmem_max"
Node Name         Current       Configured    Required      Status        Comment
orac1             1048576       1048576       1048576       passed
orac2             1048576       1048576       1048576       passed
Result: Kernel parameter check passed for "wmem_max"
Check: Kernel parameter for "aio-max-nr"
Node Name         Current       Configured    Required      Status        Comment
orac1             1048576       1048576       1048576       passed
orac2             1048576       1048576       1048576       passed
Result: Kernel parameter check passed for "aio-max-nr"
Check: Package existence for "binutils"
Node Name     Available                 Required                  Status
orac2         binutils-2.20.51.0.2-5.34.el6 binutils-2.20.51.0.2      passed
orac1         binutils-2.20.51.0.2-5.34.el6 binutils-2.20.51.0.2      passed
Result: Package existence check passed for "binutils"
Check: Package existence for "compat-libcap1"
Node Name     Available                 Required                  Status
orac2         compat-libcap1-1.10-1     compat-libcap1-1.10       passed
orac1         compat-libcap1-1.10-1     compat-libcap1-1.10       passed
Result: Package existence check passed for "compat-libcap1"
Check: Package existence for "compat-libstdc++-33(x86_64)"
Node Name     Available                 Required                  Status
orac2         compat-libstdc++-33(x86_64)-3.2.3-69.el6 compat-libstdc++-33(x86_64)-3.2.3 passed
orac1         compat-libstdc++-33(x86_64)-3.2.3-69.el6 compat-libstdc++-33(x86_64)-3.2.3 passed
Result: Package existence check passed for "compat-libstdc++-33(x86_64)"
Check: Package existence for "libgcc(x86_64)"
Node Name     Available                 Required                  Status
orac2         libgcc(x86_64)-4.4.7-11.el6 libgcc(x86_64)-4.4.4      passed
orac1         libgcc(x86_64)-4.4.7-11.el6 libgcc(x86_64)-4.4.4      passed
Result: Package existence check passed for "libgcc(x86_64)"
Check: Package existence for "libstdc++(x86_64)"
Node Name     Available                 Required                  Status
orac2         libstdc++(x86_64)-4.4.7-11.el6 libstdc++(x86_64)-4.4.4   passed
orac1         libstdc++(x86_64)-4.4.7-11.el6 libstdc++(x86_64)-4.4.4   passed
Result: Package existence check passed for "libstdc++(x86_64)"
Check: Package existence for "libstdc++-devel(x86_64)"
Node Name     Available                 Required                  Status
orac2         libstdc++-devel(x86_64)-4.4.7-11.el6 libstdc++-devel(x86_64)-4.4.4 passed
orac1         libstdc++-devel(x86_64)-4.4.7-11.el6 libstdc++-devel(x86_64)-4.4.4 passed
Result: Package existence check passed for "libstdc++-devel(x86_64)"
Check: Package existence for "sysstat"
Node Name     Available                 Required                  Status
orac2         sysstat-9.0.4-20.el6      sysstat-9.0.4             passed
orac1         sysstat-9.0.4-20.el6      sysstat-9.0.4             passed
Result: Package existence check passed for "sysstat"
Check: Package existence for "gcc"
Node Name     Available                 Required                  Status
orac2         gcc-4.4.7-11.el6          gcc-4.4.4                 passed
orac1         gcc-4.4.7-11.el6          gcc-4.4.4                 passed
Result: Package existence check passed for "gcc"
Check: Package existence for "gcc-c++"
Node Name     Available                 Required                  Status
orac2         gcc-c++-4.4.7-11.el6      gcc-c++-4.4.4             passed
orac1         gcc-c++-4.4.7-11.el6      gcc-c++-4.4.4             passed
Result: Package existence check passed for "gcc-c++"
Check: Package existence for "ksh"
Node Name     Available                 Required                  Status
orac2         ksh-20120801-21.el6.1     ksh-...                   passed
orac1         ksh-20120801-21.el6.1     ksh-...                   passed
Result: Package existence check passed for "ksh"
Check: Package existence for "make"
Node Name     Available                 Required                  Status
orac2         make-3.81-20.el6          make-3.81                 passed
orac1         make-3.81-20.el6          make-3.81                 passed
Result: Package existence check passed for "make"
Check: Package existence for "glibc(x86_64)"
Node Name     Available                 Required                  Status
orac2         glibc(x86_64)-2.12-1.149.el6 glibc(x86_64)-2.12        passed
orac1         glibc(x86_64)-2.12-1.149.el6 glibc(x86_64)-2.12        passed
Result: Package existence check passed for "glibc(x86_64)"
Check: Package existence for "glibc-devel(x86_64)"
Node Name     Available                 Required                  Status
orac2         glibc-devel(x86_64)-2.12-1.149.el6 glibc-devel(x86_64)-2.12 passed
orac1         glibc-devel(x86_64)-2.12-1.149.el6 glibc-devel(x86_64)-2.12 passed
Result: Package existence check passed for "glibc-devel(x86_64)"
Check: Package existence for "libaio(x86_64)"
Node Name     Available                 Required                  Status
orac2         libaio(x86_64)-0.3.107-10.el6 libaio(x86_64)-0.3.107    passed
orac1         libaio(x86_64)-0.3.107-10.el6 libaio(x86_64)-0.3.107    passed
Result: Package existence check passed for "libaio(x86_64)"
Check: Package existence for "libaio-devel(x86_64)"
Node Name     Available                 Required                  Status
orac2         libaio-devel(x86_64)-0.3.107-10.el6 libaio-devel(x86_64)-0.3.107 passed
orac1         libaio-devel(x86_64)-0.3.107-10.el6 libaio-devel(x86_64)-0.3.107 passed
Result: Package existence check passed for "libaio-devel(x86_64)"
Check: Package existence for "nfs-utils"
Node Name     Available                 Required                  Status
orac2         nfs-utils-1.2.3-26.el6    nfs-utils-1.2.3-15        passed
orac1         nfs-utils-1.2.3-26.el6    nfs-utils-1.2.3-15        passed
Result: Package existence check passed for "nfs-utils"
Checking availability of ports "6200,6100" required for component "Oracle Notification Service (ONS)"
Node Name         Port Number   Protocol      Available     Status
orac2             6200          TCP           yes           successful
orac1             6200          TCP           yes           successful
orac2             6100          TCP           yes           successful
orac1             6100          TCP           yes           successful
Result: Port availability check passed for ports "6200,6100"
Checking for multiple users with UID value 0
Result: Check for multiple users with UID value 0 passed
Check: Current group ID
Result: Current group ID check passed
Starting check for consistency of primary group of root user
Node Name                             Status
orac2                                 passed
orac1                                 passed
Check for consistency of root user's primary group passed
Starting Clock synchronization checks using Network Time Protocol(NTP)...
NTP Configuration file check started...
The NTP configuration file "/etc/ntp.conf" is available on all nodes
NTP Configuration file check passed
Checking daemon liveness...
Check: Liveness for "ntpd"
Node Name                             Running?
orac2                                 yes
orac1                                 yes
Result: Liveness check passed for "ntpd"
Check for NTP daemon or service alive passed on all nodes
Checking whether NTP daemon or service is using UDP port 123 on all nodes
Check for NTP daemon or service using UDP port 123
Node Name                             Port Open?
orac2                                 yes
orac1                                 yes
NTP common Time Server Check started...
NTP Time Server "193.27.209.1" is common to all nodes on which the NTP daemon is running
NTP Time Server "194.29.130.252" is common to all nodes on which the NTP daemon is running
Check of common NTP Time Server passed
Clock time offset check from NTP Time Server started...
Checking on nodes "[orac2, orac1]"...
Check: Clock time offset from NTP Time Server
Time Server: 193.27.209.1
Time Offset Limit: 1000.0 msecs
Node Name     Time Offset               Status
orac2         -355.25                   passed
orac1         -124.19                   passed
Time Server "193.27.209.1" has time offsets that are within permissible limits for nodes "[orac2, orac1]".
Time Server: 194.29.130.252
Time Offset Limit: 1000.0 msecs
Node Name     Time Offset               Status
orac2         -358.87                   passed
orac1         -109.63                   passed
Time Server "194.29.130.252" has time offsets that are within permissible limits for nodes "[orac2, orac1]".
Clock time offset check passed
Result: Clock synchronization check using Network Time Protocol(NTP) passed
Checking Core file name pattern consistency...
Core file name pattern consistency check passed.
Checking to make sure user "grid" is not in "root" group
Node Name     Status                    Comment
orac2         passed                    does not exist
orac1         passed                    does not exist
Result: User "grid" is not part of "root" group. Check passed
Check default user file creation mask
Node Name     Available                 Required                  Comment
orac2         0022                      0022                      passed
orac1         0022                      0022                      passed
Result: Default user file creation mask check passed
Checking integrity of file "/etc/resolv.conf" across nodes
Checking the file "/etc/resolv.conf" to make sure only one of domain and search entries is defined
WARNING:
PRVF-5640 : Both search and domain entries are present in file "/etc/resolv.conf" on the following nodes: orac1,orac2
Checking if domain entry in file "/etc/resolv.conf" is consistent across the nodes...
Checking file "/etc/resolv.conf" to make sure that only one domain entry is defined
More than one "domain" entry does not exist in any "/etc/resolv.conf" file
All nodes have same "domain" entry defined in file "/etc/resolv.conf"
Checking if search entry in file "/etc/resolv.conf" is consistent across the nodes...
Checking file "/etc/resolv.conf" to make sure that only one search entry is defined
More than one "search" entry does not exist in any "/etc/resolv.conf" file
All nodes have same "search" order defined in file "/etc/resolv.conf"
Checking DNS response time for an unreachable node
Node Name                             Status
orac1                                 passed
orac2                                 passed
The DNS response time for an unreachable node is within acceptable limit on all nodes
Check for integrity of file "/etc/resolv.conf" passed
Check: Time zone consistency
Result: Time zone consistency check passed
Checking integrity of name service switch configuration file "/etc/nsswitch.conf" ...
Checking if "hosts" entry in file "/etc/nsswitch.conf" is consistent across nodes...
Checking file "/etc/nsswitch.conf" to make sure that only one "hosts" entry is defined
More than one "hosts" entry does not exist in any "/etc/nsswitch.conf" file
All nodes have same "hosts" entry defined in file "/etc/nsswitch.conf"
Check for integrity of name service switch configuration file "/etc/nsswitch.conf" passed
Checking daemon "avahi-daemon" is not configured and running
Check: Daemon "avahi-daemon" not configured
Node Name     Configured                Status
orac2         yes                       failed
orac1         yes                       failed
Daemon not configured check failed for process "avahi-daemon"
Check: Daemon "avahi-daemon" not running
Node Name     Running?                  Status
orac2         yes                       failed
orac1         yes                      failed
Daemon not running check failed for process "avahi-daemon"

Yes, i can.
Node1.
[grid@orac1 grid]$ ping 10.154.137.101
PING 10.154.137.101 (10.154.137.101) 56(84) bytes of data.
64 bytes from 10.154.137.101: icmp_seq=1 ttl=64 time=0.105 ms
64 bytes from 10.154.137.101: icmp_seq=2 ttl=64 time=0.089 ms
64 bytes from 10.154.137.101: icmp_seq=3 ttl=64 time=0.056 ms
64 bytes from 10.154.137.101: icmp_seq=4 ttl=64 time=0.086 ms
^C
--- 10.154.137.101 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3098ms
rtt min/avg/max/mdev = 0.056/0.084/0.105/0.017 ms
[grid@orac1 grid]$ ping 10.154.137.102
PING 10.154.137.102 (10.154.137.102) 56(84) bytes of data.
64 bytes from 10.154.137.102: icmp_seq=1 ttl=64 time=2.15 ms
64 bytes from 10.154.137.102: icmp_seq=2 ttl=64 time=0.497 ms
64 bytes from 10.154.137.102: icmp_seq=3 ttl=64 time=0.364 ms
^C
--- 10.154.137.102 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2495ms
rtt min/avg/max/mdev = 0.364/1.003/2.150/0.813 ms
[grid@orac1 grid]$ ping 10.154.138.101
PING 10.154.138.101 (10.154.138.101) 56(84) bytes of data.
64 bytes from 10.154.138.101: icmp_seq=1 ttl=64 time=0.059 ms
64 bytes from 10.154.138.101: icmp_seq=2 ttl=64 time=0.173 ms
64 bytes from 10.154.138.101: icmp_seq=3 ttl=64 time=0.046 ms
64 bytes from 10.154.138.101: icmp_seq=4 ttl=64 time=0.056 ms
^C
--- 10.154.138.101 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3205ms
rtt min/avg/max/mdev = 0.046/0.083/0.173/0.052 ms
[grid@orac1 grid]$ ping 10.154.138.102
PING 10.154.138.102 (10.154.138.102) 56(84) bytes of data.
64 bytes from 10.154.138.102: icmp_seq=1 ttl=64 time=1.80 ms
64 bytes from 10.154.138.102: icmp_seq=2 ttl=64 time=0.418 ms
64 bytes from 10.154.138.102: icmp_seq=3 ttl=64 time=0.899 ms
^C
--- 10.154.138.102 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2860ms
rtt min/avg/max/mdev = 0.418/1.041/1.808/0.577 ms
[grid@orac1 grid]$
Node2.
[grid@orac2 ~]$ ping 10.154.137.101
PING 10.154.137.101 (10.154.137.101) 56(84) bytes of data.
64 bytes from 10.154.137.101: icmp_seq=1 ttl=64 time=0.537 ms
64 bytes from 10.154.137.101: icmp_seq=2 ttl=64 time=1.79 ms
64 bytes from 10.154.137.101: icmp_seq=3 ttl=64 time=0.733 ms
^C
--- 10.154.137.101 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2774ms
rtt min/avg/max/mdev = 0.537/1.021/1.794/0.552 ms
[grid@orac2 ~]$ ping 10.154.137.102
PING 10.154.137.102 (10.154.137.102) 56(84) bytes of data.
64 bytes from 10.154.137.102: icmp_seq=1 ttl=64 time=0.043 ms
64 bytes from 10.154.137.102: icmp_seq=2 ttl=64 time=0.106 ms
64 bytes from 10.154.137.102: icmp_seq=3 ttl=64 time=0.039 ms
64 bytes from 10.154.137.102: icmp_seq=4 ttl=64 time=0.039 ms
^C
--- 10.154.137.102 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3282ms
rtt min/avg/max/mdev = 0.039/0.056/0.106/0.029 ms
[grid@orac2 ~]$ ping 10.154.138.101
PING 10.154.138.101 (10.154.138.101) 56(84) bytes of data.
64 bytes from 10.154.138.101: icmp_seq=1 ttl=64 time=0.718 ms
64 bytes from 10.154.138.101: icmp_seq=2 ttl=64 time=0.515 ms
64 bytes from 10.154.138.101: icmp_seq=3 ttl=64 time=0.504 ms
^C
--- 10.154.138.101 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2468ms
rtt min/avg/max/mdev = 0.504/0.579/0.718/0.098 ms
[grid@orac2 ~]$ ping 10.154.138.102
PING 10.154.138.102 (10.154.138.102) 56(84) bytes of data.
64 bytes from 10.154.138.102: icmp_seq=1 ttl=64 time=0.058 ms
64 bytes from 10.154.138.102: icmp_seq=2 ttl=64 time=0.087 ms
64 bytes from 10.154.138.102: icmp_seq=3 ttl=64 time=0.052 ms
64 bytes from 10.154.138.102: icmp_seq=4 ttl=64 time=0.090 ms
^C
--- 10.154.138.102 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3755ms
rtt min/avg/max/mdev = 0.052/0.071/0.090/0.019 ms
[grid@orac2 ~]$

Hardware Requirement for Solaris 8 Installation

Hi,
Can anyone give me the hardware requirements for Solaris 8 Installation. I need to install the following patches too..
C++Runtime 108434-12
Linker 109147-21
J2SE Solaris8 (patch cluster)
SUNWxwfnt (X Window System platform fonts)
SUNWilof (ISO-8859-1 (Latin-1) fonts)
Please help.
Regards
Aparna

Check out http://docs.sun.com/app/docs/doc/806-1054 for the HCL for the intel version of Solaris 8.
or http://docs.sun.com/app/docs/doc/806-2221-10 for Sparc hardware.

SQL - VMM Cluster Configuration Understanding

Dear All,
            I am building a two-node failover cluster on SQL Server 2012 SP1 (inside Hyper-V as a Guest Cluster) and want clarification on few things that I am facing.
1.  I am receiving MSDTC Warning. I can go ahead and create the cluster, but want to understand whether this MSDTC is to be configured as a role on the cluster or not. I plan to run SCVMM, SCOM, Orchestrator and Windows Azure Pack Databases
and Reports through it so in such a scenario, do I need MSDTC? If yes, how much should be the size of the MSDTC Drive? Is following process correct?
http://www.sqlnotebook.info/configure-msdtc-on-windows-cluster-2012/
2. During First Node configuration, one needs to provide the "SQL CLUSTER RESEOURCE GROUP NAME". Does it have any bearing on how it will be accessed by other servers for databases and logs? or is it just how the cluster resource group
would be named? would it be required for every instance that is created inside the cluster? Just to be clear, so one can name it according to the instance name.
3. During the instance creation, one needs to provide "SQL Server Network Name". As stated above, I plan to run SCVMM, SCOM, Orchestrator and Windows Azure Pack Databases and Reports through it, so would I be required to provide this
for all instances that I create or this is only required once in the cluster:
4. During the instance creation, one needs to provide the features required for installation i.e. instance features and shared features. As stated above, I plan to run SCVMM, SCOM, Orchestrator and Windows Azure Pack Databases and Reports through
it, so which features should be selected? so that there is less workload on the server.
5. All the instances use TempDB for databases that are present inside it. What would be the best practice with respect to TempDB. One TempDB for all instance on the servers on a separate LUN or all instance having their own TempDB LUN?  What
should be the ideal size of the TempDB LUN?
6. Should all the disks required for DBs and Logs be added to Cluster?  Should they be added normal disks or CSV Volumes?
Thanks in advance.

Reminder.

Is a separate licence required for clustering?

Hi.
          Is a clustering licence required for Weblogic 6.1? Using the downloaded
          bits, can we not setup even a simple cluster? In short, what are the
          limitations of the download bits?
          Thx,
          - deepak


You don't need another "cluster license". The downloaded
          version is clusterable.
          Reards,
          Lynch
          "Deepak Balakrishna" <[email protected]> ¼¶¼g©ó¶l¥ó
          news:[email protected]..
          > Hi.
          >
          > Is a clustering licence required for Weblogic 6.1? Using the downloaded
          > bits, can we not setup even a simple cluster? In short, what are the
          > limitations of the download bits?
          > Thx,
          > - deepak
          >

Do I need 3 machines for Sun Two-Node Cluster HA for Apache?

The vendor is trying to set up a Sun Cluster HA for Apache and said it requires a dedicated machine
for monitoring purpose(The Sun Cluster HA for Apache probe??). Is this monitoring machine mandatory and have to be dedicated for that purpose? And can I use 1 machine to monitor more than 1 cluster? Because the vendor requires 2 extra machine to monitor 2 set of 2-node cluster..and the document I read from Sun only mentions the 3rd machine is required for admin console.
Also, if I only have 2 node cluster, can I configure Apache as a scalable + failover service at the same time or I have to choose either one? Thanks!!

Incorrect. You can set up a Solaris Cluster on a single node if you wish although two nodes give you redundancy. The probe for Apache runs from the node on which Apache is executing.
If you have a two node cluster you could have multiple implementations of Apache: fail-over and scalable. You can mix them until you run out of resources: CPU, networking bandwidth, IP addresses, etc.
Tim
---

Solaris requirements for SO Studio 7 installation

Is a full Solaris installation required in order for the SO Studio 7 to install correctly?
I imagine a full Solaris install would get this install to load correctly, but would like to load just what is needed to install the compiler.
Background:
I couldn't get the software to install. Previous versions of the Sun CC that I
have dealt with required the X libraries to be installed - we prefer
to have the machines on which we compile our packages to have the absolute
minimum in the way of software so that we can be sure they will install
correctly on all of our servers without any unknown prerequisites.
However, we dealt with it and installed the libraries.
This new version of the Sun CC appears to require an almost complete
Sun CDE in order to install,, and we believe in the
philosophy of -not- installing software on machines that will not be used.
We're even installing via the -nodisplay option.
Sun ONE Studio installer
Copying the installer files to temporary location - /tmp/sos_install_14039
Extracting JVM ...
Invoking Installer ...
./installer[187]: /usr/dt/bin/dtaction: not found

See the URL:
http://wwws.sun.com/software/sundev/suncc/index.html
Is says that S1S7 requires a Developer or Full cluster
OS install, which I assume includes all of CDE. You
may be running into this by installing from the
"meerged" S1S7 with S1S4, the java IDE. If you
really only want a text based environment, you may
need to install the S1S7 without the java IDE and
use an editor of your own choice. Also note, that
Workshop also depended on CDE. It is still possible
that the Installer depends on CDE even though you
install in text only. Bottom line, a full OS install
appears to be required.

Minimum set of ACLs / security access required for getting MBeanHome and Runtime MBeans

Hi,
Where can I get information regarding the "minimum set" of ACLs and security access/permission
required for
a) Accessing weblogic.management.MBeanHome [Local and Admin interfaces] and RemoteMBeanServer
interfaces
b) Use MBeanHome and RemoteMBeanServer interface to look up MBeans [especially
Runtime MBeans] for Cluster, Server instances, EJBs, JDBC, Execute Queues, etc?
Any help or hint is appreciated!
Regards,
DKV

"DKV" <[email protected]> wrote in message
news:3f4e8429$[email protected]..
>
Hi,
Where can I get information regarding the "minimum set" of ACLs andsecurity access/permission
required for
I believe this was answered in the management jmx newsgroup.

Hardware required for RAC setup at home

Hi All,
Could you please suggest the Hardware required for practicing RAC at home.
Regards,
VN

Hi, "user7202581",
For practicing purposes, you could consider a VBox / OVM based setup at home. We have used those for Hands On Labs in the course of Oracle Open World more than once. I recommend you use a machine with at least 8GB memory and dual core (HT enabled) processors. Some configuration examples: Lenovo Laptop, ThinkPad, 8GB, 320GB HDD, i5 dual core, 2.5 GHz, Win 7 or a Mac Mini, latest version, i5 dual core, 2.3GHz and 8GB memory would do the trick for a two node cluster. Note that I mention the hosting OS in case you use VBox. For OVM based setups you either have to use a dual boot system or use a dedicated machine. You will be somewhat restricted with respect to the hardware failures you can impose on this system obviously (due to the VM setup), but for practicing purposes, you should find those environments sufficient, I think. Also see: RAC on OVM templates: http://www.oracle.com/technetwork/server-storage/vm/rac-template-11grel2-166623.html
Hope that helps. Thanks,
Markus

Cisco Access Registrar 5 : What design or requirements for active/ active deploiement

Hi Every one
I want to install Cisco Access Registrar 5 on two different servers in active/ active design
What design or requirements for active/ active deploiement ?
Using Sun Solaris ? (i know using sun Sloaris i can have this mode of high availability BUT I PREFER INSTALLING IT ON RED HAT ENTERPRISE )
Using RED HAT ENTERPRISE on the two servers ? i wan to knew if i must use Vmware with the adequate licences (Vcenter) to provide FT fonctionnality for active / active Design ?
How i can use the replication to provide a complet active / active Design ?
Cordialement
Zammit Ikbel

It depends what functionalities you want to use on CAR.
For example:
If only plain authentication is needed, you can install two servers independently and just configure replication between them (they just need IP visibility to replicate configuration). NAS clients can contact servers in round-robin or you can share load on two servers in some other way.
If you want CAR to perform session management and dynamic IP address allocation, than you need some cluster solution, as two servers must have synchronized state of sessions and consistent administration of addresses allocated from a pool.
Best regards,
Jasmina

Are 3 IPs required for a SCAN in 11.2?

I've read the docs on setting up SCAN for 11.2. Oracle recommends 3 IPs but doesn't say what may happen if you only use one. We have a limited number of IPs and our admin guys want us to use only one. If we do use only 1 IP for the SCAN, what sort of trouble might this cause? Is there anything else we should do if we use only 1 IP?

Hi,
Rather than have the SCAN configured with new/different IPs, wouldn't it work just as well if it was configured with the VIPs or pubic IPs of the nodes in the cluster?Is it mandatory to use SCAN?
No, but it's highly recommended to use SCAN unless there's strong business reason preventing it from being used.
Is it supported to remove SCAN?
SCAN is an elementary part of 11gR2 Grid Infrastructure, it's not supported to remove SCAN. So, you must use an IP at least.
SCAN IP is a new "layer" network (oracle) with high availability that allows you to change the characteristics of your cluster (i.e add/remove nodes) without the need to make configuration changes in their clients "Grid concept".
The IP SCAN and VIP have different goals, therefore working together.
The VIP IP provides high availability at the level of the Cluster.
The SCAN IP provides high availability at the level of the Clients.
No matter if we are adding or removing nodes in a cluster or if the nodes are active or inactive, SCAN IP is always available for clients (Managing Connections-Failover) since one node of cluster is active.
Why not use VIP or Public ?
Because for us to have the concept of GRID we must configure the feature only one time and it will self manage and make cluster transparent to yours clients.
If you add or remove an NODE it's require to modify the connections of yours all clients (VIP/PUBLIC IP) you broke the concept of GRID. (This makes a big difference when you have many clients i.e.: Over 20 clients.)
If we remove or add node we must configure the clients to use/or not this node. Using SCAN he do this automatically.
How the things works?
You configure only one host on your client (e.g host-scan). When the client requests a connection, Oracle Client 11gR2 searching for IPs available for this host-scan. So, he try connect on cluster using one of IPs avaliable.
The SCAN Listener will receive this connection and re-direct to the node (Host Listener) with less workload from this point the the connection is established using Virtua IP (VIP).
I can say : SCAN is the connection manager with high availability.
Why 3 SCAN IP?
Sebastian answered this very well.
Re: Are 3 IPs required for a SCAN in 11.2?
This is the purpose of SCAN IP. I hope you understand.
Regards,
Levi Pereira
Edited by: Levi Pereira on Apr 29, 2011 10:10 PM

Hardware Requirements for SOA Suite 11.1.1.4.0 on Exalogic Server.

Hi,
I am trying to establish hardware requirements for installing SOA Suite 11.1.1.4.0 on ExaLogic Server for development, testing, staging and production environment. What will be the ideal configurations you need for a 2 Node Cluster on Exalogic Server.
Any help will be appreciated.
Cheers,
Varun

"Can we have same configurations for production that enterprise deployment guide speaks about."
That is your own choice, maybe you want a different identity management system or do not want to use RAC etcetera.
You pick the components that are relevant to you and follow the guide to set-up these components.
To get acquainted with setting-up such an environment it would be wise to start with the webhosts and the soahosts, see if you can get to work.
"Whether we need to think about high availability system incase of production or will this configuration suffice the scenario here."
It discusses a reference topology for a high available environment and how to set-up the environment.

Requirements for a HA VMM Cluster

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