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How do I find disk path in Solaris?

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How do I find disk path in Solaris?

How to Monitor a Disk Path

  1. Become superuser or assume a role that provides solaris. cluster. modify RBAC authorization on any node in the cluster.
  2. Monitor a disk path. # cldevice monitor -n node disk.
  3. Verify that the disk path is monitored. # cldevice status device.

What is Multipath in Solaris?

The Solaris I/O multipathing features enable multiple access paths for systems that are running the Oracle Solaris OS. Multipathing provides higher availability for storage devices through the use of multipathed connections. Fibre Channel Software Features.

How do I scan a LUN in Solaris 11?

Let’s see how we can re-scan the SAN/FC luns on solaris 10/11 hosts. To scan new FC luns, Just execute the below commands. “luxadm probe” also used to scan FC luns but i am happy to use cfgadm.
…

  1. List the connected HBA.
  2. Reset the HBA using forcelip option.
  3. Verify the controller status using “cfgadm -al”.

How do I view disk details in Solaris 10?

Use the df command to show the amount of free disk space on each mounted disk. Use the df -k command to display disk space information in Kbytes.

How do I check my boot disk in OK prompt?

At the ok> prompt, use the show-disks command to view the available disks on the system and select the boot-device path that you checked before in first step at command line. Note that at OBP level the device path will be slightly different than the one you checked at the command line.

How do I check if multipath is enabled in Linux?

You can use the multipath command on the Linux host to view the DM-Multipath configuration.
To check what DM-Multipath settings are currently in use on a Linux host, you must run the following commands:

  1. RHEL6 hosts: multipathd show config.
  2. RHEL5 hosts: multipathd -k”show config.
  3. SLES11 hosts: multipathd show config.

How do I scan a tape drive in Solaris 10?

In such a case, follow these simple steps:

  1. Stop all tape operations and make sure all tapes are rewound and unloaded.
  2. Modify the st.
  3. Do a modinfo | grep tape to make sure the st driver is not loaded.
  4. Once the st driver module is properly unloaded, run rm /dev/rmt/*
  5. Next, run the drvconfig -i st command.

How do I scan a LUN in Solaris 10?

Note: The command luxadm probe can also be used to scan FC LUNs.
Scanning for New FC Devices and Getting LUN Information:

Scanning for FC/SAN Devices
tail /var/adm/messages To see the new LUNs information
echo | format To get the new LUNs information
ls -lrt /dev/rdsk | grep s2 | tail To get the new LUNs information

How do I check disk space utilization in Oracle?

Open the Start menu, then click Computer. View the free disk space for each drive. Right-click the drive on which you plan to install the Oracle software and select Properties to view additional information about the disk space for that drive.

How do I get OK prompt in Solaris?

On a Sun keyboard, press the two keys STOP and A . That will get you an OK prompt.

How do I change the boot path for OK prompt?

Change the Default Boot Device (ok Prompt)

  1. Get to the ok prompt. See Accessing the ok Prompt.
  2. Configure the boot-device parameter with the correct boot device. ok setenv boot-device boot-device. where boot-device is a valid device from which to boot.
  3. Verify the change. ok printenv boot-device.
  4. Reset the host. ok reset-all.

What is multipathing and why is it required?

Multipathing is the technique of creating more than one physical path between the server and its storage devices. It results in better fault tolerance and performance enhancement.

How do you check for multipathing?

Multipath verification for Windows hosts

  1. Open Disk Management.
  2. Right-click each disk for which you want to verify the multiple paths and then click Properties.
  3. On the MPIO tab, in the Select the MPIO policy list, click all the paths that are active.
  4. Open Windows command prompt.
  5. Run mpclaim.exe –v c:\multipathconfig.

How do I check disk space in Solaris 10?

Use the df command to show the amount of free disk space on each mounted disk. The usable disk space that is reported by df reflects only 90 percent of full capacity, as the reporting statistics allows for 10 percent above the total available space.

How do I find out the size of my tablespace in GB?

totalusedspace)/ d. totalspace)) “Pct. Free” from (select tablespace_name, round(sum(bytes) / 1048576) TotalSpace from dba_data_files group by tablespace_name) d, (select round(sum(bytes)/(1024*1024)) totalusedspace, tablespace_name from dba_segments group by tablespace_name) s where d. tablespace_name = s.

How do I start the ok prompt server?

Manually Boot the OS (ok Prompt)

  1. Boot from the devices specified in the OpenBoot boot-device parameter: ok boot.
  2. Specify a device to boot from: ok boot boot-device. where boot-device is a valid device from which to boot.

How do I open the startup prompt?

Boot your PC using some Windows installation media (USB, DVD, etc.) Then, to open CMD in Windows Setup, simultaneously press the Shift + F10 keys on your keyboard when the installation wizard shows up. This keyboard shortcut opens Command Prompt before boot.

How do I get out of OK prompt in Solaris?

You cannot reach the ok prompt from the Solaris OS (see Openboot ok Prompt Not Available After Solaris OS Has Started).

  1. Graceful shutdown.
  2. Graceful reset of the control domain using the ILOM reset command.
  3. Manual system reset.
  4. The Break key or the equivalent ALOM system controller command pair:

What causes multipath?

Causes of multipath include atmospheric ducting, ionospheric reflection and refraction, and reflection from water bodies and terrestrial objects such as mountains and buildings. When the same signal is received over more than one path, it can create interference and phase shifting of the signal.

How do I stop multipath fading?

The easiest option is to use directive antenna which takes only one path then you have a channel without fading.

How do I disable multipath?

You can disable multipathing on devices by using the device section. Disable devices in the /etc/multipath. conf configuration file using the device section.

What is multipath used for?

Multipath allows you to configure multiple I/O paths between server nodes and storage arrays into a single device. These I/O paths are physical SAN connections that can include separate cables, switches, and controllers. Multipathing aggregates the I/O paths, creating a new device that consists of the aggregated paths.

How do I view disk details in Solaris 11?

To identify disks, launch the Format utility by issuing the format command. The command displays the disks in the system similar to the following example: # format AVAILABLE DISK SELECTIONS: 0.

How do I check tablespace?

Starting Oracle 10G, Oracle records tablespaces usage (allocated, used, etc.) in AWR which can be retrieved by querying the data dictionary view dba_hist_tbspc_space_usage. We can use the below script to view the history of tablespace(s) usage and predict the expected growth for the future. This script is based on AWR.

Where is tablespace datafile located?

Best Answer

  1. 2 where lower(name) = ‘db_create_file_dest’; NAME.
  2. It is NULL. So where will my datafile go?
  3. Tablespace created.
  4. SQL> select file_name.
  5. 3 where tablespace_name = ‘TEST’; FILE_NAME.
  6. /u01/app/oracle/product/12.1.0/db_1/dbs/test01.dbf.
  7. ..
  8. Completed: drop tablespace test including contents and datafiles.