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Expanding bandwidth for aurora products – Grass Valley K2 Summit Storage Area Network Installation User Manual

Page 313

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11. Make sure Storage Utility is closed before proceeding.

12. If directed, modify RTIOS.

Depending on your use of the expanded file system, you might need to change the RTIOS value.
This value can be calculated only by Grass Valley Support. Do this step only under the direction
of Grass Valley Support.

As directed, use a text editor to modify the SNFS configuration file on K2 Media Servers (both
primary and backup) with the role of media file system/database server.
NOTE: Don’t use the SNFS configuration tool to modify the system configuration. Doing so
causes unexpected changes in the configuration file, resulting in a failure of the expansion
process.

13. Restart all K2 Media Servers.

Make sure to first start servers with the role of media file system/metadata server.

When the server that takes the role of FTP server starts, one of the following happens:

If you answered “Yes” to restripe existing media in the step above, the Restripe Utility
automatically launches and begins restriping media.

If you answered “No” to restripe existing media in the step above, the Restripe Utility does
not launch.

14. In the K2Config application, do the following for each K2 Media Server with role of iSCSI

bridge to verify that you see the correct number of drives:

a) On the

iSCSI Bridge Server Configuration

page, click

View Target Drives

and proceed as follows:

If you see all drives, both old and new, no further sub-steps are necessary. Skip to the next
step in this procedure.

If some drives are listed as unexposed, continue with the remaining sub-steps in this step.

b) Click

Check

.

c) Restart the K2 Media Server.
d) Repeat this step to make sure you now see the correct number of drives.

15. Monitor the Restripe Utility.

On a file system with a large amount of existing media, this can take days.
NOTE: Do not stop the FTP server once the restripe process begins.

a) Record system information

Make sure you keep diagrams and other on-site documentation up to date.

Related Links

Expanding bandwidth for Aurora products

on page 313

Accessing Storage Utility

on page 304

Managing the Restripe Utility

on page 314

Expanding bandwidth for Aurora products

The “Expansion by bandwidth” feature is supported on K2 Storage Systems that store media from
both K2 products and Aurora products. If the storage system contains media from Aurora products
and you want to retain that media, additional steps are required, as follows:

18 November 2010

K2 SAN Installation and Service Manual

313

Administering and maintaining the K2 SAN