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VTrak A-Class VTrak A-Class Q&A
Ken Chou posted this 14 May 2013

Q: What is the recommended free space to maintained on the SAN?

A: Free space is 30% of the total capacity is recommended for optimal running of defragmentation.

Q: Does the pre-allocation algorithm work with any file type; or is it specific to video files?
A: Pre-allocation algorithm is not based on file type but based on file size.

Q: Is there built in UPS awareness to allow for unattended graceful shutdown in case of a power failure?
A: Yes. Please see the VTrak A-Class user manual for details.

Q: Are Mac OS X 10.6.x or earlier clients supported?
A: The initial software release does not support Mac OS X 10.6.x and earlier. We use ALUA in our Fibre Channel Port and Controller failover and failback functionality. Testing has been only been done with ALUA enabled configurations. Mac OS X 10.6.x and earlier does not support ALUA thus why its not officially supported in FCS (First Customer Ship) firmware release. Currently there are no plans to officially supported. Check back with future services releases.
NOTE: Though not supported, the client can see the Promise Volume and read and write without problem. The concern is with controller Failover and FailBack functionality without ALUA support on the Client OS.

Q: What are "internal LDAP" and "external LDAP" options. I’m assuming that the MDC joins Active Directory or LDAP from an external server.
A: We have a lightweight LDAP server integrated into VTrak A-Class to support user Quota. This feature will not be available on FCS (First Customer Ship) firmware release. It supports a maximum of 20 users. This feature is targeted for a smaller customer environment where external LDAP server are typically not needed and the customer will not need to setup and maintain an external LDAP server just for SAN management. As an alternative LDAP is fully supported with External Windows and Mac LDAP servers with Mac, Windows and Linux clients.

Q: Is a public or private Metadata network recommended?
A: A private Metadata network is recommended for best performance.

Q: Is the Metadata network traffic load heavy?
A: This load is light between each client and VTrak A-Class unit.

Q: Can the Metadata information be provided in-band over Fibre Channel without need of an Ethernet connection for Metadata traffic?
A: Metadata can only be provided over Ethernet. File data only will be provided via Fibre Channel network.

Q: Is there bandwidth throttling capability for client?
A: Yes. Bandwidth throttling is supported on the client.
  • For Mac and Windows:
    • Support for bandwidth control based on Read Write bandwidth threshold. Bandwidth threshold is set through the GUI.
  • For Linux:
    • Support for Write and Read and Read Write bandwidth control. These can be set as a parameter for "mount" command.
Q: Is Mac OS Spotlight supported?
A: Not currently supported with FCS (First Customer Ship) firmware release. Check back with future services releases.

Q: Is Windows indexed search supported?
A: Not currently supported with FCS (First Customer Ship) firmware release. Check back with future services releases.

Q: Does the client need to support multipath over Fibre Channel connections or is there need to install multipath software?
A: This is dependant on client configuration and operating system. Please see the VTrak A-Class user manual for details.


Pegasus2 Enabling Auto Updates on the Pegasus’s Promise Utility
Ken Chou posted this 14 December 2012 - Last edited 13 April 2018

1: Click on the Promise Utility Menu and click on Preferences.

 
 
 
2: If the check box for the “Automatically check for updates” is grey, you will need to unlock the window by clicking on the lock on the lower left hand corner of the window.
 
 
3: You will be asked to authenticate using your local password. Insert your password and Click OK.
 
 
 
4: You will now be able to click on the check box to enable automatic updates. It will check for updates the next time you launch the utility.
 
 
 
5: If there is a software update, you will be asked to update the Promise Utility. If you click on Remind me Later, it will display pop up again after the next reboot. The Skip this version button will stop any further notifications on this utility update.
 
 
 
6: After downloading, you will be asked to confirm the install. Clicking the Install and Launch button will update and restart the utility.
 
 
7: You will be asked to authenticate using your system password to confirm the installation.
 
 
 
8: If there is a firmware update, you will be notified. If you are ready for the firmware update, click the Update button.
 
 
 
9: We recommend Ejecting the volume before proceeding with the firmware update.
 
 
 
10: You will be asked to authenticate with the computer password before downloading the new firmware.
 
 
 
11. After the firmware download completes, you will be asked to confirm the firmware update.
 
 
 
12: Clicking the submit button will bring up a confirmation window. This is because the Pegasus needs to reboot after the firmware update. As long as the volumes have been ejected, it is safe to type “CONFIRM” and click submit. 
 
 
 
13: After the firmware update, it will prompt you to reboot the Pegasus. Please press the power button to shut it down when you're ready.
 
 
 
14: After you've shut down the machine, Pegasus will lose connection to the Promise Utility. The Promise Utility will pop up with an error. This is normal, click OK to close the error window.
 
 
 
15: Press the power button again to start it over. The power button will go from blue to orange, then to blue again. A stable blue on the power light means that Pegasus is back to work and you can resume Promise Utility. Volume should then be accessible.
 
 
 
16: You've upgraded Pegasus successfully.
 

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