IBM TotalStorage EXP100, Installation, User'S, And Maintenance Manual

Page: 91 / 188

Table 10. New EXP100 expansion enclosure ESM firmware version by serial number and
packaging label
If the serial number begins with... Then the new EXP100 expansion
enclosure ESM firmware level is...
13 R2 or R3
Notes:
1. The EXP100 is produced at the factory
with the R3 level. However, the
warehouse and resellers might have
EXP100s with serial numbers beginning
with 13, which have the R2 code installed.
2. If the IBM System Storage DS4000
EXP100 Storage Expansion Enclosure
FRU Release Note , GC26-7797-00 (P/N
39M6040) is included in the package
containing an EXP100 expansion
enclosure, then its firmware level is R3.
23 (and a white square R2 label is affixed to
the box)
R2
23 (and a white square R2 label is not affixed
to the box)
R1
3. Review “Upgrading ESM firmware after adding the EXP100 to an existing drive
loop” on page 68 for details about ESM compatibility and the upgrade procedure
for your combination of existing and new EXP100 ESM firmware versions.
Attention: If you have received an EXP100 with R2 or R3 ESMs, and your
drive loop already contains EXP100s with R1 ESMs, you cannot connect the
new R2 or R3 expansion enclosure until you upgrade the R1 firmware in the
existing EXP100 ESMs and DS4000 server storage subsystem controller to the
R3 version. However, if you have received an EXP100 with R1 ESMs, and your
drive loop already contains EXP100s with R2 or R3 ESMs, you cannot attach
the new EXP100 (because you cannot downgrade the R2 or R3 firmware in
existing DS4000 controllers and EXP100 ESMs to the R1 level). If this is the
case, contact IBM technical support, your IBM reseller, or your IBM
representative.
v If you cannot perform the applicable ESM firmware upgrade procedure
described in “Upgrading ESM firmware after adding the EXP100 to an
existing drive loop” on page 68, or if no upgrade procedure is possible (as in
the case of adding an EXP100 with R1 ESM firmware version to a drive loop
that already contains EXP100s with R2 or R3 ESM firmware), please contact
IBM technical support, your IBM reseller, or your IBM representative.
v If you can perform the applicable ESM firmware upgrade procedure, connect
the new EXP100 expansion enclosure as described in the “Adding the
EXP100 to the existing drive loop” on page 66. Continue with Step 4.
4. After you add the new EXP100 expansion enclosure, you must match the
precise ESM firmware versions of the new and existing EXP100 expansion
enclosures. Always upgrade the enclosures that have earlier firmware versions
to match the enclosures that have the latest firmware version. When you are
finished, all enclosures should have that firmware version.
You might also have to upgrade the DS4000 controller firmware to support the
latest EXP100 ESM firmware version.
Chapter 3. Installing and replacing devices
65
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