Use of the ASM.

Similar Questions

• Label of the ASM to name of LUN mapping; Are not even necessary device names when you use ASMLib?

  = Environment details start =.

  OS: Oracle Linux 6.4

  Version Infra grid: 11.2.0.4

  Storage: EMC VMAX

  ASM Lib version:

  # rpm - qa | grep oracleasm

  oracleasm-support - 2.1.8 - 1.el6.x86_64

  oracleasmlib - 2.0.4 - 1.el6.x86_64

  oracleasm version came not in rpm-qa output may be because it is part of the Oracle Linux kernel. But the 2 components above are not

  = Environment details end =.

  We have a 2 node RAC cluster.

  We wanted to add 2 LUNS to our data Diskgroup and asked team storage available to both nodes of the cluster.

  After that they provided, the Linux Admin scanned the LUN and powerpath device names were generated. The powerpath device names like SCSI logic unit number names are incremented sequentially. Because, two additional powerpath LUN used to Node1 to a local file system, the names of powerpath were incrementing differently in the two nodes.

  Thus, for the same LUNS emcpowerpath names differed in Node2. Linux Admin did not notice this difference. And he told us the names of newly added from Node1 LUNS powerpath that have been

  / dev/emcpowerv

  / dev/emcpowerw

  But in Node2, the same LUN were appointed

  / dev/emcpowert

  / dev/emcpoweru

  The DBA guess powerpath name these 2 LUNS will be same on Node2, label the discs to help

  oracleasm createdisk DATA17/dev/emcpowerv1

  oracleasm createdisk DATA18/dev/emcpowerw1

  After marking in node 1, the DBA ran scandisks in Node2. But while the oracleasm scandisks in Node2 is running, it does not seem to/dev/emcpowerv and/dev/emcpowerw in Node2. Instead, ASMLib is smart enough to read the LUN ID in Node1 and search devices powerpath with the same LUN ID and labels as Node1. What's it like in Node2, / dev/emcpowert is labeled DATA17 and/dev/emcpoweru is labeled DATA18 correctly, as shown below.

  Node1

  Node2

  LUN ID

  Label of the ASM

  / dev/emcpowerv

  / dev/emcpowert

  873F

  DATA17

  / dev/emcpowerw

  / dev/emcpoweru

  629:

  DATA18

  Confirmed using the oracleasm querydisk Pei/dev/emcpower < x > .

  During labelling using the oracleasm createdisk , since we use the LUN name I always thought that asmlib dealt only with the names of devices (Powerpath name in this case). I didn't know that ASMLib treats ID LUN. If ASMLIB faces in LUN ID internally, then you don't need to have the same name for a particular LUN for disks shared in different RAC nodes? Right?

  ASMLIB contains 3 packs. Oracleasmlib, which is distributed under a license of Oracle user space and is not part of the standard GPL software distribution. Oracleasm-support, which is in the standard repository and kernel driver of Oracleasm, which is included in the core Oracle UEK only or distributed by Red Hat to RHCK kernel. The subsequent RHCK driver requires a Red Hat subscription. You need all 3 installed packages.

  ASMLib doesn't care to the SCSI ID or device names. When you configure a device to ASMLIB, he writes a header special disk in the device, the command scandisk read and identify a device. ASMLIB devices are populated under the tree of device/dev/oracleasm and found by ASM using the default ORCL: device chain.

  Don't forget that ASMLIB does not work with multiple devices and if you use DB-Multipath or EMC Powerpath, you need to blacklist the physical devices so ASMLIB will use powerpath or multipath device instead. Otherwise there will be no failover devices like ASMLIB will simply use the first device found and ignore the other. Check the following:

  http://www.Oracle.com/technetwork/topics/Linux/multipath-097959.html

• What is the use of the network user and 4 asm disks in oracle rac 11 g 2?

  Friends,
  
  Separate server DNS:
  bones of DNS: OEL 5.7
  
  RAC1
  OS: OEL 5.7 64bits
  DB: 11.2.0.3 64-bit
  
  Rac2
  OS: OEL 5.7 64bits
  DB: 11.2.0.3 64-bit
  
  4 disks are shared between rac1 and rac2... and I configured using the oracleasm successfully...
  above all 3 nodes are in virtual box 4.1.1.8
  
  I'm installing oracle 11 g 2 cars in the configuration node above the 2.
  
  I'm partially by following this link http://www.oracle-base.com/articles/11g/oracle-db-11gr2-rac-installation-on-oracle-linux-6-using-virtualbox.php
  up to
  
  runcluvfy.sh stage pre - crsinst - n rac1, rac2-verbose
  
  is success... now I got a question... What is the use of the network user?
  because after checking above... it installs through the user oracle... of the complete notes he has no use for the user to this network...
  can someone tell me the use of the network user?
  
  of course I ask only this person who wrote this installation... to get a quick answer, I ask you here...
  I hope that someone will clarify my doubt to the success of this installation in a few hours...
  
  I have already created users and groups below... in each node
  
  Node1
  

  [root@rac1 ~]# id oracle
  uid=200(oracle) gid=500(oinstall) groups=500(oinstall),505(dba),502(asmdba),504(oper)
  [root@rac1 ~]# id grid
  uid=201(grid) gid=500(oinstall) groups=500(oinstall),501(asmadmin),502(asmdba),503(asmoper)
  [root@rac1 ~]# 

  [root@rac2 ~]# id oracle
  uid=200(oracle) gid=500(oinstall) groups=500(oinstall),505(dba),502(asmdba),504(oper)
  [root@rac2 ~]# id grid
  uid=201(grid) gid=500(oinstall) groups=500(oinstall),501(asmadmin),502(asmdba),503(asmoper)
  [root@rac2 ~]# 

  and on the shared drive... He created 4 disks... I saw in the paper... 3 is normal and 5 for the top... but 4?
  
  Thank you and best regards,

  OraDB wrote:
  Thanks for the link...
  So how about storage shared... it's 4 disc are necessary for normal redundancy? or 3 is sufficient according to the documentation.

  Thank you

  Before you answer, you must reflect on what is to say NORMAL redundancy? As long as you can keep your total drive less than the size of a full disk, you'll be fine... If it becomes higher than that and you have a failure, you now will have a major problem trying to recover a defective unit. The documentation is for a minimum configuration, however, you generally have to be smarter than the documentation. You must configure really redundant N + 1. Whatever size you need, configure always a plus. So, if you need the space of 2 devices, set up 3. If you need the space of 3, Setup 4. And if you start using the appliance + 1, add another. Always keep N + 1.

  In what concerns the grid + oracle user in most of the stores of this level of "termination" is total nonsense. Unless you have a DBA who makes GI and a DBA who data bases etc... It's a moot point. I'd say it's a complete waste of time and energy in all cases. I have it configured with grid + oracle user and I configured with just the oracle user. The multi-user method can sometimes become confused when you try to find something like the other user. YMMV.

• Real advantage of using ASMLIB for ASM

  Hi all

  I have some confusion related to the configuration of the DSO.

  configuration ASM 10 g on RHEL

  As we know ASM can be configured using the ASM Library driver or RAW devices.

  For both options, we use discs (unformatted DISKS) == > raw disks.

  
  

  What is the real advantage that I get asm configuration using asmlib s/w?

  
  

  
  

  
  

  I'm still struggling to know additional benefit when I'm chosen asmlib configure rather than raw.

  Can only repeat what you said before: there is no "additional benefit" to the use of the ASMLib instead of udev. In the current version, the ASMLib is replaced by the ASM filter driver, which has more features.

• GLWB-10521: could not resolve the ASM label

  Hello

  I try to install Oracle Grid Infrastructure 12 c Release 1 on Windows Server R2 2012 in a hyper-v Lab (to my intention is to install a complete rac - later).  I created my ASM storage with the role of ISCSI target (4 discs 20 GB each, all the dynamic extension), and they are all visible from both nodes.  I can ping all the IP addresses of all servers involved.  I required prior tasks, and there is one thing that I am invited to check.  Error message is:

  «Device checks for ASM - there is a control to check the devices specified in the requirements for the ASM.»  Error:

  -

  GLWB-10521: could not resolve disc ASM 'ORCLDISKDATA0' label to the path of unity on the node 'ORAN01DV' - Cause: could not resolve the ASM label to any device on the specified node.  -Action: Make sure the specified label of ASM is properly engraved on a device shared on the specified node and marked devices are accessible to the current user. To check the address record label use tools "Asmtoolg" on Windows operating system platforms and "oracleasm" on the Linux operating system platform.

  -

  GLWB-10521: could not resolve disc ASM 'ORCLDISKDATA1' label to the path of unity on the node 'ORAN01DV' - Cause: could not resolve the ASM label to any device on the specified node.  -Action: Make sure the specified label of ASM is properly engraved on a device shared on the specified node and marked devices are accessible to the current user. To check the address record label use tools "Asmtoolg" on Windows operating system platforms and "oracleasm" on the Linux operating system platform.

  -

  GLWB-10521: could not resolve disc ASM 'ORCLDISKDATA2' label to the path of unity on the node 'ORAN01DV' - Cause: could not resolve the ASM label to any device on the specified node.  -Action: Make sure the specified label of ASM is properly engraved on a device shared on the specified node and marked devices are accessible to the current user. To check the address record label use tools "Asmtoolg" on Windows operating system platforms and "oracleasm" on the Linux operating system platform.

  -

  GLWB-10521: could not resolve disc ASM 'ORCLDISKDATA3' label to the path of unity on the node 'ORAN01DV' - Cause: could not resolve the ASM label to any device on the specified node.  -Action: Make sure the specified label of ASM is properly engraved on a device shared on the specified node and marked devices are accessible to the current user. To check the address record label use tools "Asmtoolg" on Windows operating system platforms and "oracleasm" on the Linux operating system platform. »

  I opened Asmtoolg, and everything seems to be ok in there (all discs are stamped and are visible etc.).  I recognize that this is a complex area, so I understand that it will be difficult to difficult to diagnose.  I was really surprised to not find anywhere, any success on the internet for the GLWB-10521 error code well.  Does anyone have ideas of things I could try?

  Thanks in advance

  There is a bug (Bug 20428707 : GLWB - 10521 RAC INSTALLATION)

  Re: GLWB-10521

• RunInstall does not show the ASM disks

  Hello

  I googled arleady for so long but I can't find the solution for my problem.

  I'm under runInstall of the Oracle Grid Infrastructure installation program. When it comes to "Create the ASM disk groups", the window does not show one of my starts created previously, even if I change the discovery trail to ' / oracleasm/dev/discs / * "Please help!

  [dev root@grid1] # / usr/sbin/oracleasm listdisks

  DATA01

  DATA02

  FRA01

  FRA02

  OCRVOTE01

  OCRVOTE02

  OCRVOTE03

  [dev root@grid1] # / usr/sbin/oracleasm-discover

  ASMLib /opt/oracle/extapi/64/asm/orcl/1/libasm.so using

  [Library ASM - Generic Linux, version 2.0.4 (KABI_V2)]

  Disk discovery: ORCL:DATA01 [31455232 blocks (16105078784 bytes), maxio 512]

  Disk discovery: ORCL:DATA02 [31455232 blocks (16105078784 bytes), maxio 512]

  Disk discovery: ORCL:FRA01 [20969472 blocks (10736369664 bytes), maxio 512]

  Disk discovery: ORCL:FRA02 [20969472 blocks (10736369664 bytes), maxio 512]

  Disk discovery: ORCL:OCRVOTE01 [10477194 blocks (5364323328 bytes), maxio 512]

  Disk discovery: ORCL:OCRVOTE02 [10483712 blocks (5367660544 bytes), maxio 512]

  Disk discovery: ORCL:OCRVOTE03 [10483712 blocks (5367660544 bytes), maxio 512]

  [dev root@grid1] # / usr/sbin/oracleasm querydisk DATA01

  Disk 'DATA01' is a valid ASM disk

  [records root@grid1] # pwd

  / dev/oracleasm/Disks

  [records root@grid1] # he's

  Total 0

  BRW - rw - 1 grid asmadmin 8, 65 4 Mar 11:18 DATA01

  BRW - rw - 1 grid asmadmin 8, 81-4 Mar 11:18 DATA02

  BRW - rw - 1 grid asmadmin 8, 97-4 Mar 11:18 FRA01

  BRW - rw - 1 grid asmadmin 8, 113 4 Mar 11:18 FRA02

  BRW - rw - 1 grid asmadmin 8, 17 4 Mar 11:16 OCRVOTE01

  BRW - rw - 1 grid asmadmin 8, 33-4 Mar 11:17 OCRVOTE02

  BRW - rw - 1 grid asmadmin 8, 49-4 Mar 11:17 OCRVOTE03

  [records root@grid1] # rpm - qa | grep oracle

  oracleasm-support - 2.1.8 - 1.el6.x86_64

  oracleasmlib - 2.0.4 - 1.el6.x86_64

  oraclelinux-release-6Server - 6.0.2.x86_64

  oraclelinux-release-notes-6Server - 14.x86_64

  kmod-oracleasm - 2.0.8 - 4.el6_6.x86_64

  Oracle-logos - 60.0.14 - 1.0.2.el6.noarch

  to clarify this, please login as user "grid" and run the command
       id

  This will show you if id is a member of the Group asmadmin.

  Martin

• Apply the fix of the ASM

  Hi all

  Recently, we have applied the patch on one of our instance ASM, we've reached ORA-04031 on ASM instance. Oracle, we propose to apply the patch and one of my colleague came with these steps and

  We have applied the fix successfully. I have a few questions about these steps. I would be grateful, if you could offer your expert advise on my questions.

  In step 1, we use SRVCTL to stop all the instacnes running on a single box. We have about 46 instance that is running on this node

  My question is, setp 1, mean-o and s flag done.

  In step 2, this makes sudo for < GRID_HOME > is to use the rootcrs.pl - unlock.

  On step 4, we have applied the patch to GRID_HOME, but must understand usage - oh flag

  New on stp 5, why we need to perform step number 5

  It starts at step 6, all instances by using srvct, but just curious, by the way, why we need to provide the file ampxt1d1_status with flag - n.

  1. this task is to apply the patch of the ASM

  2. stop all the instance running on ampxd1d1.

  srvctl stop immediate home o < ORACLE_HOME > s/u01/patches/tmp/ampxt1d1_status n < nide > t

  3. run the script in root of pre.

  sudo /u01/app/11.2.0.3/grid/crs/install/rootcrs.pl-deverrouiller

  4. apply the patch using opatch

  opatch apply - oh local /u01/app/11.2.0.3/grid-/u01/patches/tmp/13951456

  5 run the suite.

  sudo /u01/app/11.2.0.3/grid/crs/install/rootcrs.pl-patch

  6 start the instance.

  srvctl start House o /u01/app/oracle/product/11.2.0.3/dbhome_1 s/u01/patches/tmp/ampxt1d1_status n

  Concerning

  Hello

  (1) the o Specifies the oracle House and s specifies a path for the command "srvctl stop home" store the State of the resources. in this case, command (srvctl stop home - o) stops anything running oracle home.

  (2) rootcrs.pl with - unlock flag unlocks the CRS home and make it ready to patch.

  (3) the - oh indicator command opatch specifies oracle home to work on. This takes precedence over the ORACLE_HOME environment variable

  (4) - patch flag of the rootcrs.pl command specifies the oracle home is upgraded and lock it.

  (5) control of House o srvctl start will start the oracle home and all service runs from this House.

  Kind regards

• Add more space to the ASM disk group

  Hi all

  I am new to the DBA role and also in a process of learning. I need your help in putting a space at the ASM disk group. My VMware admin will add disk space to the virtual machine, and then the Linux admin will add space on Linux servers. Finally, I think I need to rebalance the database disk group to view the extra space. I'm not sure of what all the steps involved in this process. I like to read the Oracle Documentation, but I'm blurry and hesitant. Please let me know the steps to follow to add the ASM disk group space.

  We use

  Oracle DB version 11.2.0.3.0

  Linux version: 2.6.18 - 238.12.1.el5

  Thanks for your help

  No....

  You don't need any instance restart. More when you add a disk to a diskgroup, all rac nodes can see.

  just...

  You should add a node and watch v$ asm_operation...

  Concerning

• Configure the ASM without ORACLEASM drives

  
  Guys,

  I found that right for your perticular kernel asmlib is a PAIN. (I also came to know Oracle dsnt predict asmlib rhel 6)

  Finally, we can find those, but can any 1 share knowledge how to configure the asm without Asmlib drives?

  I mean I dnt want to use/usr/sbin/oracleasm createdisk/dev/sdb5 (like this)

  Now if you ask me what operating system, my OS is RHEL 6.3, but I would like to know for all versions of configuration asmlib.

  DB: 11.2.0

  Which records exactly? Local? NAS? SAN? Single path of I/O? Multiple I/O paths?

  The Linux kernel will automatically enumerate all devices h/w - and udev to create entries of device for these devices. Then all devices scsi for devices SAN/NAS/local lands in tree in/dev automatically.

  However, the device names are not static (not even local devices as a new drive added to the server may have an impact of the names of existing devices). So in general, the names of devices directly deprecated. Same fstab/etc/fstab of the kernel utilisΘ string of identifier.

  If you have multiple path i/o devices, the multipath driver should be used.

  If you have devices path of single e/s (e.g. NAS/iscsi), then you can do the following.

  1. Identify devices using lsscsi
  2. Use fdisk to create one (for example partition 4) partition on the disk, and then assign him da (Non-FSdata) partition type. This allows you to identify via the number of partition storage devices (i.e. all 4 partition are storage). The partition type is a safeguard against accidental to mount the partition as a file system.
  3. Create a udev rule to call for partition devices 4:
     file #: /etc/udev/rules.d/99-oracle-asmdevices.rules
     KERNEL == "sd * 4", BUS == "scsi"PROGRAM="/etc/udev/scripts/localdev.sh %b", SYMBOLIC link += "asm / $result", OWNER = "grid", GROUP = "oinstall", MODE = "0660" "
  4. Create a udev script that will create a special link to device ASM to ASM to use, for example

  #!/bin/sh
  # file:         /etc/udev/scripts/localdev.sh
  # descr:        outputs logical device name for a local asm scsi target
  
  TAG="[scsi]"
  BUS=${1}
  DRIVE=`echo "$BUS" |  sed 's/://g'`
  
  targetname=disk-${DRIVE}
  
  logger -t $TAG -- "/etc/udev/scripts/localdev.sh bus=$* target=$targetname"
  
  echo "${targetname}"
  #eof
  

  So when a partition device 4 is detected, a device entry is created for in/dev/asm. I used a very simplistic device (drive-busid) naming scheme. You can get the WWID of the device and assign more readable names.

  You now discovery point ASM string drive in /dev/asm / *.

  Once you enter the basics above (it is not that the resort), you can get very creative with how you want to identify the devices for ASM usage - and how you create and name (symbolic link) of the names of devices for ASM.

• How to open node2 usng spfile RAC that will remain in the ASM disk?

  Hello
  
  I installed oracle 11g r2 rac with asm into two nodes. Operating system is hp-Unix.
  
  I installed oracle11g Active Data Guard using the single database only.
  
  The RAc and Active Data Guard works very well.
  
  I do not have set up Data Guard Broker.
  
  NB : RAC node1 is running using spfile that is in the disk of the ASM (+ DATA / spfiledcpdb.ora) but node2 is running using pfile.
  
  Question: how to open the node 2 use spfile, who will remain in ASM disk as node 1?
  
  
  Thank you
  Solaiman
  
  Edited by: 876149 April 1, 2013 10:08

  Change your PFILE file to specify that IFILE = 'location_of_spfile. '

  OR

  use STARTUP PFILE = "location_of_spfile."

  Ensure that the spfile has the specific parameters of 2nd instance defined properly.

  Hemant K Collette

• Upgrade of the ASM 10 gR 2 (10.2.0.4) 11gR 2 (11.2.0.3) of the ASM

  Hello
  
  I have planning improve my ASM 10.2.0.4 on 11.2.0.3 and I think to use the runInstaller 11g Wizard.
  
  I want to know if this is feasible or if there are other better.
  
  Thank you

  Hello

  ASM Upgrade method:
  ==================

  We can use DBUA, it is one of the best method to upgrade.

  1. Firstly check the number of instances of database use ASM as storage option.

  2. stop all instances of database

  3. first Oracle CSS needs to upgrade.
  a. connect as root and run
  #bash: $ORACLE_HOME/bin/localconfig reset
  Note: ORACLE_HOME is your new home of ASM.

  Note: Install the new home of Oracle 11 g ASM (in a different directory)

  4 start the ASM Instance-> Connect as a user of the Oracle's BONE

  5. take another graphical session together all environment variables
  a. ORACLE_HOME
  b. PATH of
  C. ORACLE_SID

  -> This will point to New Oracle ASM Home
  6. run DBUA
  #bash: $ORACLE_HOME/bin/DBUA

  7 DBUA will display two options:

  a. upgrade the database
  b. upgrade of the ASM

  8. Select "Upgrade ASM" - > it will update automatically.

  9. start of databases using ASM as a storage option.

  Note: databases will not be affected by the upgrade of the DSO, databases will remain in the original version.

  Thank you
  LaserSoft

• OCR and voting disks (vd) are in ASM, I can stop the ASM instance?

  Hello
  
  I have two RAC nodes in the program of production installation and test setup. OCR and voting disks (vd) are in ASM, I can stop the ASM instance?
  
  -Kumar

  Hi Kumar,

  No, we can't.

  Best practice is that you need to stop the battery Oracle Clusterware on the node on which you must stop the Oracle ASM instance.

  Use "crsctl stop cluster node_name - n" or "crsctl stop crs" for this purpose.

  It could be that useful...

  Thank you
  LaserSoft

• Question of the ASM

  Hello
  
  I'll put up a 11.2.0.3 new install and I have a problem in my hands a little bit.
  
  While doing the installation, I created the asm on a partition disk in:

  oracleasm createdisk DATA /dev/sdb2

  Now, after rebooting, it may be the case when my score is not identified as/dev/sdb2 more instance cannot find the disc, so I need to tag it with something like

  e2label <partition> <labelname>

  to ensure consistent names after a reboot and my instance ASM will not fail
  
  My question is, can I I "remap" the ASM/dev/sdb2 < labelname > disc without having to recreate all over again? If so, how?
  
  Thank you
  NACEUR

  N wrote:
  ASM autonomous, that is right.

  oracleasm createdisk is executed before installing the GRID.

  just now, I am from sracth, comes to complete installation of oel6 and create the partitions with fdisk on my raid1 + 0
  one that I have already formatted with ext3 and im moving the installers to the server to start

  Any guide you know I can't go through?

  Have not yet installed oracleasm.

  The next steps so far are:
  -Once all the installation on the server programs I'm good to go with oracleasm
  --> Create disc on an unformatted partition/dev/sdb2
  --> install grid
  --> create diskgroup
  --> install 11 GR 2
  --> instance to create

  DO NOT use oracleasm - as I have said, it is expected to be close to retirement. If you don't want to be related to it.

  Make sure that the device has the appropriate permissions before you start.
  In the installation program, select ASM for OCR. in the lower right corner to select CHANGE DISKSTRING and configured to point to/dev/sd * and he sees only one with the correct permissions. It will ask you the name of diskgroup, and you select the sdb2 with REDUNDANCY EXTERNAL device. It will automatically load the initial configuration. Watch the udev.config to find out how to set permissions on startup

  I don't usually promote other websites, but this looks like a good start on how to correctly configure udev...
  http://www.Oracle-base.com/articles/Linux/udev-SCSI-rules-configuration-in-Oracle-Linux-5-and-6.php#create_udev_rules_file

  >

  If you could point me to a guide on how can I do this without using asmlib I would be grateful.

  Do not!

• Start of the ASM

  Hello
  I am new to ASM and something strange happening on my 2 CARS GR 11, 2 nodes on OEL 5.
  When I start the two nodes, regardless of how long wait, ASM status remains the same:
  
  [grid@node1 ~] $ crs_stat t - v
  Target host name Type R/RA F/pi
  ----------------------------------------------------------------------
  ORA. ADI.dg ora... up.type 0/5 0 / OFFLINE OFFLINE
  ORA. ARCH.dg ora... up.type 0/5 0 / OFFLINE OFFLINE
  ora. DB_MAIN. DG ora... up.type 0/5 0 / ONLINE OFFLINE
  ORA. FLASH.dg ora... up.type 0/5 0 / OFFLINE OFFLINE
  Ora.asm ora.asm.type 0/5 0 / ONLINE OFFLINE
  
  Why even if for ASM resources target is online, it remains offline indefinitely? Although it can be started easily (and quickly):
  
  #crsctl start ora.asm resources
  
  Thank you

  crs_stat t is deprecated, use instead

  crsctl stat res -t
  

  Check the setting of the resource of the ASM AUTO_START:

  crsctl stat res ora.asm -f
  

• Tools to prepare the ASM disks

  What is the difference between the asmca and oracleasm?
  
  
  
  Scott

  Hello

  ' / usr/bin/oracleasm "ASMLib is a library of optional support for the Oracle database automatic storage management feature (this (RPM) is not a part of the Oracle Grid infrastructure Installation). ASMLib allows a more efficient Oracle using ASM database that can join groups of disks it uses.

  ASMLib is available on Linux Plataform.
  http://www.Oracle.com/technetwork/topics/Linux/asmlib/index-101839.html

  ASMCA - ASM Assistant de Configuration Oracle is an Oracle Grid Infrastructure installation utility that supports the installation and the configuration of the ASM instances, groups of disks, volumes and Oracle Automatic Storage Management Cluster File System (Oracle ACFS). It must be used in all the platform to configure and manage the DSO.
  http://docs.Oracle.com/CD/E16338_01/server.112/e10500/ASMCA.htm

  Kind regards
  Levi Pereira