User`s guide
Figure 5–4 (Cont.) HS Array Controllers Flashing OCP LED Error Codes
Reset 1 2 3 4 5 6
Description of Error
Action
24 The code image was not the same as the image
on the card after the contents were copied to
memory.
Replace ontroller
module.
Replace controller
module.
30 The journal SRAM battery is bad.
Replace controller
module.
3A There was an unexpected interrrupt from a read
cache or the present and lock bits are not working
correctly.
Replace controller
module.
3B There is an interrupt pending to the controller’s
policy processor when there should be none.
Replace controller
module.
3C There was an unexpected fault during
initialization.
Replace controller
module.
3E There was an unexpected nonmaskable interrupt
received during initialization.
Replace controller
module.
3F An illegal process was activated during
initialization.
Replace controller
module.
3D There was an unexpected maskable interrupt
received during initialization.
Off Lit continuously Flashing
I/D = Instruction/Data (cache on the controller module)
DRAB = Dynamic RAM Controller and Arbitration Engine (operates controller shared memory)
ECC = Error Correction Code
EDC = Error Detection Code
SRAM = Static RAM
NXM = Nonexistent Memory
25 Diagnostic register indicates that the cache module
exists, but access to that cache module caused
an error.
Replace controller
shelf backplane.
26 Diagnostic register indicates that the cache module
does not exist, but access to that cache module
did not cause an error
Replace controller
shelf backplane.
Replace controller
module.
23
The required amount of memory available in the
buffer area is insufficient for the controller to run.
Replace controller
module.
21
The required amount of memory available in the
pool area is insufficient for the controller to run.
When a configuration mismatch (usually after a warm swap procedure) or a disk
drive failure is detected, the port LED for the affected disk drive is solidly lit.
Error indications may or may not clear when the controller is reset. Try resetting
the controller by pushing the OCP reset (//) button to see whether the same
error indication is repeated. If the error indication is the same, replace the
Controller Operations 5–23