Grass Valley K2 (Summit 3G) 10Gv2 Storage Area Network Installation v.8.1 - Manual (Page 329)

• All other K2 Media Servers must be powered down.
You might be instructed in K2 Release Notes to upgrade disk drive firmware. This allows you to
take advantage of the disk drive enhancements and benefit from improved performance and reliability.
To determine your disk drive type and current firmware version, select a disk drive icon in the
Storage Utility tree view, then note the drive properties reported in the right-hand pane. Use the
following procedure if you need to download disk drive firmware.
NOTE: The disk drives on each controller are upgraded one at a time which can take as long as
2 minutes per drive. Take this into consideration when scheduling the upgrade.
1. Refer to K2 Release Notes to determine firmware types, versions, files, and any other special
instructions regarding the particular disk drive firmware you are downloading.
2. In the Storage Utility, right-click a controller in the tree view, then select Advanced | Download
Disk Firmware in the context menu.
The Open File dialog box opens.
CAUTION: Do not attempt to download firmware to a single disk, unless directed to do
so by Grass Valley. Downloading to a single disk can trigger a disk rebuild, with potential
loss of data.
3. In the Open File dialog box, browse to the desired firmware file for your disks, select the file,
and click OK .
As instructed by a message that appears, watch the lights on the drives. For each drive, one at a
time, the lights flash as firmware loads. Wait until the lights on all the drives on which you are
downloading firmware have completed their flashing pattern. This can take several minutes.
The Progress Report window appears showing the disk firmware download task and the percentage
complete.
4. When finished, restart the K2 Media Server.
Replacing a disk module
In the event of a disk drive failure, you’ll repair the system by replacing the disk module as soon
as possible. Refer to the Instruction Manual for your RAID storage chassis for information on
removing and replacing disk modules.
NOTE: Always use Storage Utility to physically identify the failed disk module. Accidently
removing the wrong disk module can destroy all media on the disk drives.
When the RAID controller detects that the disk module has failed, it automatically disables the disk
module. This is reported in Storage Utility, and you should verify that the disk module is disabled
before removing it.
In some cases you might suspect that the disk module is going bad, but the controller has not yet
detected a failure and has therefore not yet disabled the drive. In this case you should manually
disable the disk module before you remove it. This avoids momentary interruptions in signal output
that can occur. The disabled state is persistent and the disk remains disabled even if the RAID chassis
is restarted. After replacing the disabled disk module, the disk rebuild process starts automatically,
which also enables the disk module.
1. Open Storage Utility.
02 February 2012 K2 SAN Installation and Service Manual 329
Administering and maintaining the K2 SAN