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It provides verification of the cluster install independent of Explorer.
It provides verification of cluster installation prerequisites prior to the install.
Which two activities must be accomplished before you leave the customer location after
any cluster installation? (Choose two.)
Run explorer and collect the output.
Create an Oracle database instance.
Create users to administer the cluster.
Set the terminal concentrator password.
Reboot the nodes and verify that all the nodes come up properly.
Answer: A, E
How does the start method of a scalable Apache instance know which Shared Address resource will be performing load balancing services on its behalf?
It does not know which Shared Address resource will be performing load balancing services.
It uses the SharedAddress resource in the same resource group as the Apache resource.
It uses any SharedAddress resource in the resource group on which the scalable Apache
It uses the Network_resources_used property of the Apache resource, which you are
required to provide.
Under what circumstance can you modify the Apache configuration file so that Apache listens only on the application-specific IP address that you will incorporate into your resource groups?
if you will be running in failover or scalable mode
only if you will be running apache in failover mode
only if you will be running apache in scalable mode
Which two statements are valid reasons for placing the httpd.conf file for a cluster in a directory other than /etc/apache? (Choose two.)
Placing the configuration file on local storage is unsupported.
The files that you find in /etc/apache after the standard Solaris install are inappropriate
for the cluster.
Placing the configuration file in the shared storage rather than in /etc/apache makes
managing the file easier since you only need one copy.
If the file .httpd.conf is not in /etc/apache, then the standard unedited Solaris boot
scripts will not start Apache, and the cluster will work properly even if those boot scripts are present.
Answer: C, D
Which statement is true about a Veritas disk group in which you want to store your HA- oracle data?
The disk group should contain only disks physically attached to a single node.
You do not need to register the disk group with the cluster if you will be using raw devices to store the data.
The disks may be attached to exactly two nodes even if you want the Oracle data service to fail over to a third node too.
You must have a separate disk group dedicated for Oracle. It is impossible to combine data from two data services in the same disk group.
Which two actions can resolve performance degradation for IO-intensive HA-Oracle?
Use raw devices to store Oracle data rather than a global file system.
Do not add any HAStorage resources to your data service resource group.
Do not add any HAStoragePlus resources to your data service resource group.
Set AffinityOn to true in the HAStoragePlus resource type containing the Oracle global file system(s).
Set AffinityOn to false in the HAStoragePlus resource type containing the Oracle global file system(s).
Answer: A, D
Which two resource extension properties are required while configuring the SUNW.oracle_listener resource type? (Choose two.)
Answer: B, C
Which three resources must be registered for HA-Oracle in Sun Cluster 3.x? (Choose three.)
Answer: C, D, E
In a two node cluster, you have created a VxVM volume that will contain Oracle data, and you want to configure this volume as a local failover file system. What are three subsequent steps you must perform? (Choose three.)
Reboot both cluster nodes.
Put an entry in the vfstab on both cluster nodes.
Use scrgadm to create an HAStoragePlus resource.
Run scsetup to synchronize your new volume information to the global device namespace.
Use the vxedit command to set the owner and group of the new VxVM volume to oracle and dba, respectively.
Answer: B, C, D
SUN 310-330 Exam (Sun Certified Systems Installer for Sun Cluster 3.X) Detailed Information
310-330 Sun Certified Systems Installer for Sun Cluster 3.X
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Sun Certified Systems Installer for Sun Cluster 3.X exam
Securing the solar Cluster 3.x utility | 310-330 Real Questions and VCE Practice Test
To deliver a strong ambiance the place solar Cluster 3.x software can also be deployed, very selected requirements are placed on the configuration of the Solaris operating ambiance (Solaris OE). this text describes the way to at ease the Solaris OE and the sun Cluster 3.x software. earlier than the unlock of sun Cluster 3.0 (12/01) software, no secured configurations have been supported. this text includes updates for sun Cluster 3.1 software.
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this article describes a way to relaxed the Solaris_ working atmosphere (Solaris OE) and the Sun_ Cluster 3.x application. To deliver a strong ambiance the place solar Cluster three.x utility may also be deployed, very specific requirements are placed on the configuration of the Solaris OE. earlier than the release of sun Cluster 3.0 (12/01) application, no secured configurations have been supported.
with the aid of enforcing the thoughts for the supported brokers, that you can increase the reliability, availability, serviceability, and safety (RASS) of methods running the sun Cluster three.x utility. These objectives are completed by means of securing the servers so that they aren't as prone to attacks.
this article contains the following subject matters:
"historical past tips" on page 2
"Securing sun Cluster three.x Nodes" on web page 12
"retaining a comfortable gadget" on web page 25
"concerning the author" on web page 26
"Acknowledgements" on web page 26
"connected materials" on page 27
This section carries right here issues:
"Assumptions and boundaries" on web page 2
"qualified utility add-ons" on page 3
"guide" on page 6
"the usage of the Solaris protection Toolkit software" on page 6
"Solaris OE Defaults and modifications" on page 6
"solar Cluster utility Daemons and services" on page 9
"Terminal Server requirements" on web page 10
"Node Authentication alternate options" on web page 10 Assumptions and barriers
in this article, our options are according to a few assumptions and barriers as to what can also be executed to comfy sun Cluster three.x nodes using a solar supported configuration. Our concepts anticipate a platform in keeping with Solaris OE version eight or 9 and the sun Cluster 3.x software. We use the solar Cluster three.1 utility version listed here.
earlier than the free up of solar Cluster 3.0 (12/01) software, no secured configurations were supported.
Solaris OE hardening can be interpreted in a variety of ways. For the applications of developing a hardened server configuration, the thoughts listed here represent all the viable Solaris OE hardening. that's, anything that can be hardened, is hardened. things that are not hardened are not modified for the motives described in this article.
Be conscious that hardening Solaris OE configurations to the level described in this article might not be acceptable on your atmosphere. For some environments, you may are looking to operate fewer hardening operations than advised. The configuration continues to be supported in these circumstances; youngsters, further hardening beyond what's counseled in this article is not supported.
Minimizing the Solaris OE or disposing of Solaris OE programs to cut protection publicity isn't a supported option on solar Cluster three.x nodes at present. best the hardening initiatives described listed here are supported for Solaris OE methods with solar Cluster 3.x application working supported brokers.
commonplace security suggestions practice to hardening cluster nodes: That which isn't specially accepted is denied.
qualified utility accessories
The configurations described in this article have here minimal utility requirements:
Solaris 8 OE (2/02) utility
Solaris OE programs and setting up
solar Cluster 3.1 software
ORACLE RAC and r* provider barriers
Cluster interconnect links
Solstice DiskSuite_ application
right here subsections describe every of those components.
Solaris 8 OE
the use of Solaris 9 OE because the core OE for secured solar Cluster three.x nodes is supported.
youngsters, this text is in response to Solaris eight OE (2/02). all of the hardening effects offered in this article have been produced on this version of the Solaris OE. the use of types other than Solaris eight OE may produce consequences that are just a little different than these offered listed here.
Solaris OE programs and installation
solar Cluster three.x software requires handiest the Solaris OE conclusion person cluster. it is strongly suggested that this Solaris OE cluster be used instead of the total Distribution.
Minimizing the variety of Solaris OE packages put in without delay reduces the variety of functions to disable, the amount of patches to install, and the variety of potential vulnerabilities on the gadget.
this text neither addresses a way to set up the Solaris OE and sun Cluster three.x utility, nor the way to configure the cluster nodes.
solar Cluster three.x utility permits you to automate the setting up of the cluster and Solaris OE application via JumpStart_ utility. Correspondingly, that you could encompass the hardening steps performed by the Solaris safety Toolkit utility within the JumpStart setting up technique. this article doesn't describe methods for integrating the hardening system documented listed here with JumpStart utility. For counsel about this theme, check with the sun Cluster three.x and Solaris_ safety Toolkit documentation.
sun Cluster three.x software
All solar Cluster three.x types guide the hardened configurations described in this article.
solar Cluster three.x utility gives mission-vital capabilities to an organization. whereas the solar Cluster three.x software addresses issues corresponding to fault tolerance, failover, and performance, it is very important that the programs working solar Cluster three.x application are blanketed towards malicious misuse and different assaults equivalent to denial of provider. the most advantageous mechanism for doing here is to configure the nodes in a cluster in order that they offer protection to themselves towards attack.
probably the most present list of brokers, and their corresponding utility product models, supported in a hardened configuration, is purchasable within the free up Notes disbursed with the sun Cluster 3.x utility. When making a choice on the types of supported software, refer to the release Notes for the edition of sun Cluster 3.x utility getting used.
ORACLE RAC and r* carrier limitations
all over ORACLE RAC setting up, if an choice is chosen to deploy RAC on all the cluster nodes, then ORACLE Installer uses rsh and rcp to replica information to different cluster nodes. additionally, other ORACLE configuration tools (for example, netca) use rsh to regulate configuration info on different cluster nodes.
When the use of the Solaris protection Toolkit solar Cluster three.x driver, both rsh and rcp are disabled by way of default. These services are insecure and should not be left enabled on a secured cluster.
it's feasible to set up a cluster on each node and deploy configuration information manually on every node, if an administrator doesn't want to alternate security settings.
In websites where the supply of rsh and rcp is critical, a at ease mechanism gives the same functionality (such as rsh, rcp: ssh, and scp) during the comfortable Shell (SSH), if configured correctly. These instructions give an encrypted and authenticated mechanism for ORACLE software to perform initiatives on faraway machines.
Configure SSH to permit far flung login with out passwords, then change the device-provided rsh and rcp binaries with links to the SSH commands. during this way, you could give at ease rsh and rcp hyperlink functionality. This approach simplifies the installing and configuration of ORACLE RAC whereas nonetheless keeping a secure posture.
Cluster Interconnect hyperlinks
it is critical to the universal safety of the cluster that cluster interconnect links are saved inner most and aren't exposed to a public community. sensitive guidance concerning the fitness of the cluster and tips in regards to the file gadget is shared over this link.
We strongly recommend that these interconnects be carried out the usage of separate and committed community machine. From a protection and availability point of view, we discourage using VLANs as a result of they typically preclude packets based most effective on tags added through the switch. Minimal, if any, assurance is supplied for validating these tags, and no further protection against directed tackle resolution Protocol (ARP) assaults is received.
Solstice DiskSuite application
The configuration listed here assumes using Solstice DiskSuite application in its place of VERITAS volume supervisor. If VERITAS extent manager is used, then the entries delivered by way of VERITAS to the /and so on/inetd.conf file should still be left enabled and the Solstice DiskSuite utility entries disabled.
The secured sun Cluster three.x application configuration carried out by the Solaris safety Toolkit suncluster3x-comfy.driver is a sun Microsystems-supported configuration for brokers described in this document. best sun Cluster three.x application implementations the use of the brokers explicitly described listed here and referenced in the solar Cluster three.x liberate Notes are supported in hardened configurations.
Hardening sun Cluster 2.x is not supported. most effective agents listed within the sun Cluster 3.x free up Notes are supported in hardened configurations when the hardening is performed according to the suggestions contained in this article.
For counsel on the supportability of the Solaris protection Toolkit, consult with its documentation.
sun Microsystems helps hardening solar Cluster 3.x clusters even if protection modifications are performed manually or by utilizing the Solaris security Toolkit software.
using the Solaris safety Toolkit application
The drivers described listed here are protected in version 0.3.10 of the Solaris protection Toolkit utility. We use this software to enforce the hardening. Use this edition, or newer types, of the software when implementing the recommendations of this article. The Solaris safety Toolkit offers an error-free, standardized mechanism for performing the hardening technique. moreover, since it allows you to undo changes after they're made, we totally recommended that you use this application to function the hardening process.
Solaris OE Defaults and modifications
The Solaris OE configuration of a cluster node has lots of the identical issues as other default Solaris OE configurations. as an instance, too many daemons are used and other insecure daemons are enabled by default. Some insecure daemons include: in.telnetd, in.ftpd, fingered, and sadmind. For an entire list of default Solaris OE daemons and safety considerations associated with them, refer to the "Solaris operating atmosphere safety: up-to-date for Solaris 9 OE" solar BluePrints_ on-line article.
this text recommends that each one unused capabilities be disabled. in response to the Solaris OE installation cluster (SUNWCall) typically used for a sun Cluster 3.x node, there are over 100 advised Solaris OE configuration adjustments to increase the protection configuration of the Solaris OE image running on each and every node. while the SUNWCall Solaris OE cluster is customarily used for cluster installations, only the SUNWuser cluster is required. it's strongly suggested that you just restrict the number of Solaris OE functions and daemons put in by using the Solaris OE cluster that carries the fewest variety of packages.
The regular hardening of a Solaris OE system contains commenting out the entire functions within the /and many others/inetd.conf file and disabling unneeded equipment daemons. all of the interactive features continually started from inetd are then replaced via comfy Shell (SSH). This strategy cannot be used with sun Cluster 3.x utility.
The basic reason for this hindrance is that volume administration software requires a few far flung manner name (RPC) services to be purchasable. And, the solar Cluster three.x application installs additional RPC-primarily based capabilities.
implementing these changes is computerized if you use the driver script suncluster3x-at ease.driver available in version 0.3.10 of the Solaris safety Toolkit application.
Disabling Unused services
The protection thoughts in this article consist of all Solaris OE changes that don't affect required solar Cluster three.x node functionality. Be aware that these modifications can also no longer be acceptable for each sun Cluster environment. basically, it is possible that one of the crucial functions disabled by using the default suncluster3x-at ease.driver script will affect some applications. as a result of functions and their service requirements range, it's atypical for one configuration to work for all purposes. for this reason, the security modifications of every sun Cluster ambiance may additionally range slightly in line with the functions being run in that ambiance.
believe the function of a secured configuration in the context of the purposes and capabilities that the solar Cluster three.x software helps. The safety configuration introduced listed here is a excessive watermark for equipment protection, as a result of every provider that isn't required through the solar Cluster 3.x application is disabled. This guidance should provide you with a transparent concept of which services can and cannot be disabled with out affecting the habits of the sun Cluster three.x application.
options and Exceptions
Our thoughts for securing the server configuration encompass editing thoughts made within the solar BluePrints online article "Solaris working atmosphere protection: up to date for Solaris 9 working atmosphere." We customize the techniques to deliver a configuration exceptionally for the supported brokers.
The ideas in this article enrich the typical safety posture of sun Cluster three.x nodes. This growth is made by means of dramatically decreasing access points to the solar Cluster 3.x nodes and by means of installation comfy access mechanisms. To streamline the implementation of those recommendations, we deliver the Solaris security Toolkit utility, which automates lots of the alterations.
We made right here exceptions to the suggestions supplied within the previously mentioned article, as a result of performance it truly is required by using the solar Cluster 3.x utility and assist constraints:
RPC system startup script is not disabled, as a result of RPC is used via quantity management application.
Solaris simple safety module (BSM) isn't enabled. The BSM subsystem is complex to optimize for applicable logging levels and produces log data that are tricky to interpret. This subsystem may still handiest be enabled at sites where you've got the knowledge and materials to manage the technology and statistics reconciliation projects required to use BSM without problems.
Solaris OE minimization (eliminating useless Solaris OE applications from the gadget) is not supported with sun Cluster 3.x application.
Mitigating security dangers of Solaris OE functions
unique descriptions of Solaris OE capabilities and suggestions on how to mitigate their security implications are available in here sun BluePrints online articles:
"Solaris working environment safety: updated for the Solaris 9 working environment"
"Solaris operating environment network Settings for security: updated for Solaris eight working atmosphere"
The innovations are applied through the Solaris protection Toolkit in both its standalone or JumpStart modes.
sun Cluster application Daemons and functions
The sun Cluster 3.x utility adds a few daemons and features to a device. These consist of daemons operating on the gadget and further RPC features. the following daemons run on a default sun Cluster three.1 application setting up:
# ps -ef | grep cluster root four 0 0 Oct 25 ? 0:03 cluster root 416 1 0 Oct 25 ? 0:00 /usr/cluster/lib/sc/rpc.pmfd root eighty two 1 0 Oct 25 ? 0:00 /usr/cluster/lib/sc/clexecd root 83 82 0 Oct 25 ? 0:00 /usr/cluster/lib/sc/clexecd root 453 1 0 Oct 25 ? 0:01 /usr/cluster/lib/sc/rgmd root 426 1 0 Oct 25 ? 0:00 /usr/cluster/lib/sc/rpc.fed root 439 1 0 Oct 25 ? 0:00 /usr/cluster/bin/pnmd root 2260 1 0 Dec 12 ? 0:00 /usr/cluster/lib/sc/cl_eventd root 2356 1 0 Dec 12 ? 0:23 /var/cluster/spm/bin/scguieventd
The solar Cluster 3.1 utility installation installs right here additional RPC functions in the /and so forth/inetd.conf file:
# delivery of strains brought with the aid of SUNWscu 100145/1 tli rpc/circuit_v wait root /usr/cluster/lib/sc/rpc.scadmd rpc.scadmd 100151/1 tli rpc/circuit_v wait root /usr/cluster/lib/sc/rpc.sccheckd rpc.sccheckd -S # end of traces delivered by using SUNWscu
the following RPC features are required via the sun Cluster three.x software and ought to be present within the /and so on/inetd.conf file:
# rpc.metad 100229/1 tli rpc/tcp wait root /usr/sbin/rpc.metad rpc.metad # rpc.metamhd 100230/1 tli rpc/tcp wait root /usr/sbin/rpc.metamhd rpc.metamhd
The qualified configuration makes use of Solstice DiskSuite utility, which requires here RPC capabilities within the /and so on/inetd.conf file:
# rpc.metamedd - DiskSuite mediator 100242/1 tli rpc/tcp wait root /usr/sbin/rpc.metamedd rpc.metamedd # rpc.metacld - DiskSuite cluster handle 100281/1 tli rpc/tcp wait root /usr/sbin/rpc.metacld rpc.metacld
if you use VERITAS extent supervisor utility in its place of Solstice DiskSuite software, depart the acceptable VERITAS RPC entries in the /and so on/inetd.conf file enabled and disable the unneeded Solstice DiskSuite application entries.
Terminal Server requirements
sun Cluster three.x application does not require a specific terminal server as sun Cluster 2.x application did. This alternate is a significant improvement from a safety standpoint. Terminal server connections often don't use encryption. Lack of encryption enables a malicious individual to sniff the network and "read" the commands being issued to the client. commonly, these commands include an administrator logging in as root and proposing the root password.
We strongly suggest that you use a terminal server that supports encryption. notably, we advocate a terminal server that implements comfy Shell (SSH).
if you can't use a terminal server that helps encryption, then best join terminal servers to a non-public administration community. besides the fact that children this helps isolate network site visitors to the terminal servers, it isn't as secure as a terminal server supporting SSH.
Node Authentication options
Node authentication is how advantage nodes ought to identify themselves earlier than being allowed to be part of a cluster. sun Cluster three.x application provides a number of alternatives for node authentication. making certain that all nodes are effectively authenticated is a vital point of cluster safety. This part describes the attainable node authentication options and gives concepts on which level of node authentication to use.
The attainable node authentication alternatives in sun Cluster 3.x utility are as follows:
additionally, the scsetup command gives here submenu beneath the brand new Nodes menu option::
*** New Nodes Menu *** Please choose from considered one of the following options: 1) avoid any new machines from being brought to the cluster 2) permit any laptop so as to add itself to the cluster three) Specify the name of a computing device which might also add itself 4) Use usual UNIX authentication 5) Use Diffie-Hellman authentication 6) New nodes ?) assist q) Return to the leading Menu
At a minimum, the node authentication should be set up to require that new cluster nodes be delivered manually as opposed to instantly. choose choice 1 to prevent the skill of techniques to add themselves, then use alternative 3 to specify the name of the new cluster node. These two alternatives run scconf with right here commands, which which you could run manually:
# scconf -a -T node=. # scconf -a -T node=phys-sps-1
The subsequent consideration is the way to validate that a node is who it says it's. the two options are general UNIX or Diffie-Hellman authentication.
The default is to make use of UNIX authentication. If a personal interconnect connects the nodes and the scconf command is used to avoid new nodes from joining, this method is probably adequate.
In environments the place other programs might also try to be a part of the cluster, or if the data on the cluster is above all delicate, then we recommend the usage of the Diffie-Hellman authentication formula.
Diffie-Hellman authentication uses cozy RPC to authenticate the nodes within the cluster. This authentication requires that the public and personal keys be accurately set up on each and every of the nodes. essentially the most effective way to do this assignment is through NIS+, since it simplifies the management and protection of these key pairs. despite the fact, it is viable to make use of comfy RPC with out NIS+.
For more information on secure RPC and Diffie-Hellman authentication, discuss with the keyserv(1M), publickey(4), and nis+(1) man pages.
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