Load balance is based on the number of pending I/Os. Mode State Q-IOs Errors ============================================================================== 1 qla2xxx sdd SP A4 standby alive 0 0 1 qla2xxx sde SP B4 standby alive 0 0 2 qla2xxx sdf SP A5 active alive 0 In contrast, a native device is created by the operating system to represent and provide access to a logical device. hba=hba#|all Limits the check to paths from the specified HBA. have a peek here
When you remove a storage system class from PowerPath control, custom configurations for that class (such as policy or mode) are lost with the next reboot or execution of powermt save. c1t0d0 SUN72G cyl 14087 alt 2 hd 24 sec 424 [email protected],[email protected][email protected],0 1. Next I copied the file from the export to the second node and ran:emcpadm import_mappings -f
If any of the nodes prompt for a password or pass phrase then verify that the ~/.ssh/authorized_keys file on that node contains the correct public keys. Correct dev arguments are as follows: AIX To specify a device hdiskpower# or # To specify a path hdisk# Examples hdiskpower3, 3, hdisk3 HP-UX SunOS 5.8 Last change: January, 2004 3 Ultimately, prevent IP theft, fraud, and cybercrime.Explore products and solutions from RSA.Visit RSA.comOverviewEnterprise Network HardwareSwitchesRouters and Wireless NetworkingOverviewDocumentumLEAPInfoArchiveOverviewDell LaptopsDell DesktopsDell Thin Clients and VDI ProductsNo results foundNo results foundMODERN DATA CENTERGet Up to this point, we have talked in great detail about the parameters and resources that need to be configured on both nodes in the Oracle RAC 10g configuration.
Link DineshD March 25, 2012, 4:48 am very useful and knowledgeable Link MY May 23, 2012, 4:19 am Thanks for this, understand that the CLARiiON always come with the server name. This is the total number of I/O requests to this device that have not completed. The following sections explain the fields in each display. The pseudo devices are now recommend and automatically detected. # format AVAILABLE DISK SELECTIONS: 0.
If you have been following along with the examples in this article, the actions to load the kernel module and mount the OCFS2 file system should already be enabled. You should ensure that any part of a login script that generates any output, or asks any questions, is modified so it acts only when the shell is an interactive shell. Re: PowerPath update broke oracle rack Yousef Sep 23, 2010 8:04 AM (in response to stadmin) Hello STADMIN,First of all , welcome to the EMC forums here you go , i If class is specified along with hba and/or dev, the command is applied to paths that meet all specified constraints.
In order for the HBA LUN Masking software to get access via SP A you must register PowerPath on the alternate path. Accessing a Network Time Protocol server, however, may not always be an option. powermt set transparent=on|off [dev=|device|all] Note: This command works only on Symmetrix systems. Your screen should now look like the following after disabling the SELinux option: Figure 17: SELinux Disabled If you needed to disable SELinux in this section on any of the nodes,
Read more about Ramesh Natarajan and the blog. Stats Q-IOs Value: Non-negative integer Total number of I/O operations under way to this path. For native devices, uses the path that would have been used if PowerPath were not installed. I/O requests are assigned to each available path in rotation.
powermt check_registration displays output like the following: Key number Product: PowerPath Capabilities: license - storage_systems where number is your 24-digit registration key, license is your license type and storage_systems is a http://webinweb.net/warning-unable/warning-unable-to-open-the-file-registry-software-skipped.html The IP address need not be the one associated with that hostname. Arguments mode=active|standby Determines whether a path is available for I/O or held in reserve. off enables these features.
c3t2d0 DGC-RAID10-0219 cyl 61438 alt 2 hd 256 sec 16 [email protected],[email protected][email protected],0 4. powermt display hba_mode - Display PowerPath HBA Mode This is similar to #1, but displays whether hba is enabled or not, as shown in the last column of the output. # The following examples, shows that there are 2 HBAs connected to the server, both the HBAs are in active condition with 2 I/O path's each. http://webinweb.net/warning-unable/warning-unable-to-get-configuration-variable-updates.html This configuration file was then created on uprrdb006 and everything worked fine.
Ultimately, prevent IP theft, fraud, and cybercrime.Explore products and solutions from RSA.Visit RSA.comOverviewEnterprise Network HardwareSwitchesRouters and Wireless NetworkingOverviewDocumentumLEAPInfoArchiveOverviewDell LaptopsDell DesktopsDell Thin Clients and VDI ProductsNo results foundNo results foundMODERN DATA CENTERGet powermt config does not remove previously configured paths when they become dead paths. Note: Verify that each of the required kernel parameters (above) are configured in the /etc/sysctl.conf file.
Configure RAC Nodes for Remote Access using SSH Perform the following configuration procedures on both Oracle RAC nodes in the cluster! It will set a timer and check the timer after a certain amount of time. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. Value: Alphanumeric string Storage system interface.
Wow!!!! Generated Fri, 23 Dec 2016 11:09:38 GMT by s_ac16 (squid/3.5.20) Mode State Q-IOs Errors ============================================================================== 1 qla2xxx sdd SP A4 standby alive 0 0 1 qla2xxx sde SP B4 standby alive 0 0 2 qla2xxx sdf SP A5 active alive 0 http://webinweb.net/warning-unable/warning-unable-to-open-waldo-file.html The following example has 4 I/O Paths. # powermt display dev=all ============================================================================== ---------------- Host --------------- - Stor - -- I/O Path - -- Stats --- ### HW Path I/O Paths Interf.
For the purpose of this article, I will be making all changes permanent (through reboots) by placing all commands in the /etc/sysctl.conf file.