- While an array is builing or cleared, do not remove and
re-insert any drive in that array. Doing so may cause
unpredictable results for any arrays on the controller.
- Do not move drives containing an array from one controller
to another while the power is on. Doing so could cause
the loss of the array configuration or data, or both.
Instead, power off both affected controllers, move the
drives, and then restart.
--------------------------------------------------------------------
4. Known Limitations
4.1 ACU Utility
o ACU for DOS is deprecated and no longer supported.
o For degraded arrays on Adaptec Series 6E controllers, the ACU
displays "junk' characters in the array properties list for
the missing drive.
o On some Intel and IBM systems, when you try to run the ACU
utility, this message appears:
"Not enough free memory to load the utility!
Press any key to attempt loading the utility forcibly
OR Wait for the system initialization to be completed
[Default]"
This is normal. On Intel systems, wait for the system
initialization to be completed. Then the ACU will run. On IBM
systems, press any key when prompted to load the utility
forcibly.
o The ACU erroneously displays deleted logical drives in the
JBOD list. The logical drive(s) continue to appear in the
JBOD list until you delete all of the JBODs.
o With some enclosures, the ACU displays incorrect box/slot
information for managed disk drives; for example,
Exp/Phy instead of Box/Slot.
4.2 AFU Utility
When running the AFU in Menu Mode, you can update (flash) only
one controller at a time. You must reboot the system before
updating the next controller.
4.3 Creating an Array from the Adaptec Installation DVD
When you create an array with Adaptec Storage Manager in
bootable-CD Mode, the maximum size of the array is 2TB.
4.4 SuSE Linux Enterprise Server 10 with Service Pack 2
If your boot array is installed on the controller, and the boot
OS is SLES10 SP2 with driver version 1.1.5-2458, you must add
'aacraid.wwn=1' to the kernel boot command line. Alternatively,
install the latest aacraid driver.
4.5 Using the Controller with an Adaptec S50 JBOD Enclosure
Temperature warnings from the Adaptec S50 JBOD Enclosure with
firmware version T016 are not shown in Adaptec Storage Manager
(or on the enclosure). To correct the problem, upgrade to the
latest firmware version.
4.6 Hot-adding Disk Drives
o If you hot-add multiple disks to a large configuration (100
disk drives or more), it may take a significant amount of
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