Document fins/I0631-1
FIN #: I0631-1
SYNOPSIS: StorEdge T3 controller insertion problem
DATE: Jan/05/01
KEYWORDS: StorEdge T3 controller insertion problem
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- Sun Proprietary/Confidential: Internal Use Only -
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FIELD INFORMATION NOTICE
(For Authorized Distribution by SunService)
SYNOPSIS: StorEdge T3 controllers received from FRU inventory might
exhibit insertion resistance and appear not to fit into
newer T3 chassis's.
TOP FIN/FCO REPORT: No
PRODUCT_REFERENCE: T3 Controller Insertion
PRODUCT CATEGORY: Storage / T3
PRODUCTS AFFECTED:
Mkt_ID Platform Model Description Serial Number
------ -------- ----- ----------- -------------
Systems Affected
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- Anysys All System Platform Independent -
X-Options Affected
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- T3 ALL T3 StorEdge Array -
PART NUMBERS AFFECTED:
Part Number Description Model
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F375-0084 StorEdge T3 Raid Controller -
REFERENCES:
ESC: 528079
MANUAL: 806-4213-11, Sun StorEdge T3 Disk Tray Field Service Manual
PROBLEM DESCRIPTION:
There is a possibility that field personnel may have trouble inserting
older-style (J9) StorEdge T3 controller FRU's into a newer-style T3
chassis. The J9 controller may require excessive force to insert and
may fail to slide all the way into the chassis. This could result in
the controller not seating properly and failing to function.
The T3 chassis has been redesigned with a more flexible outer shell.
It is now being shipped with a newer revision of controller (J10 or
J11) which has a plastic bezel. The old J9 controllers have a metal
bezel. If a J10 or J11 revision level controller needs to be replaced,
there is a possibility that a J9 revision level controller obtained
from spares inventory might not fit. The metal bezel plus the EMI
gasket on the J9 can prevent the controller from being completely
inserted. This fit problem can occur with T3 arrays shipped since
October 2000.
During factory and ES lab tests it was discovered that the EMI gasket
may fold over, or fold back, preventing the controller board from being
fully inserted. In the factory tests designed to duplicate the hard
insertion condition experienced in the field, it was found that all
controllers could be inserted. However, in some cases, the force
required to install the controller was found to be unacceptable.
If you experience the difficult insertion issue, swap the J9 level
bezel the metal bezel in a J9 controller with a plastic version in a
J10 or J11 controller. Also make sure that the EMI gasket is not
folded over or folded back.
IMPLEMENTATION:
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| | MANDATORY (Fully Pro-Active)
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| | CONTROLLED PRO-ACTIVE (per Sun Geo Plan)
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| X | REACTIVE (As Required)
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CORRECTIVE ACTION:
The following recommendation is provided as a guideline for authorized
Enterprise Services Field Representatives and Warranty Customers who
may be encountering the above mentioned problem.
1) See Section 4.2 of the Sun StorEdge T3 Disk Tray Field Service
Manual for details on removing and replacing a T3 controller board.
If difficult insertion is experienced when an older-style J9 T3
controller is used to replace a defective controller in a newer-style
T3 chassis, perform the following actions.
2) Make sure that the EMI gasket on the replacement controller board lies
straight, i.e, it is not folded over or folded back. A bent gasket can
prevent complete controller insertion.
3) If insertion is still difficult after checking the gasket, exchange the
metal bezel on the replacement controller with the plastic bezel on the
existing controller. Bezel removal involves loosening two T10 TORX screws
on the bottom edge of the bezel and removing two hex screws at the
FC connector on the front of the bezel. Make sure that the springs for
the two locking tabs on the bezel do not fall out.
4) The defective controller which was removed should be returned to the
Enterprise Services Logistics with the metal bezel attached, assuming
step 2 above was correct.
COMMENTS:
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Implementation Footnote:
i) In case of MANDATORY FINs, Enterprise Services will attempt to
contact all affected customers to recommend implementation of
the FIN.
ii) For CONTROLLED PROACTIVE FINs, Enterprise Services mission critical
support teams will recommend implementation of the FIN (to their
respective accounts), at the convenience of the customer.
iii) For REACTIVE FINs, Enterprise Services will implement the FIN as the
need arises.
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