README.TXT
- Performing a Verify and Verify/Fix on an RAID 10 displays the
same message text in the event log, "Build/Verify started on
second level array of array 'Array_0.'" You may see the message
three times for a Verify, but only once for a Verify/Fix.
- Adaptec 2020ZCR/2120S/2200S only -- RAID 10 arrays with greater
than 20 drives support the Build/Verify command, but not the
Clear command.
4.2 RAID 50 Notes
- Adaptec 2020ZCR/2120S/2200S only -- RAID 50 arrays with greater
than 18 drives support the Build/Verify command, but not the
Clear command.
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5. Controller-Specific Compatibility Issues
5.1 SATA Controllers
- A Clear operation on an array causes a severe performance impact
to other processes, such as Build/Verify processes, involving the
same array members. Therefore, Adaptec recommends that you NOT
attempt any other operations while performing a Clear operation
on a SATA array.
- SATA events are displayed with SCSI nomenclature.
- Adaptec 2810SA/21610SA only -- ACU is not supported on these
controllers when installed in the following motherboards:
o SuperMicro P40C6+/P4DCE Server Board, 512 MB DDR RAM
o Intel Xeon x 2 System BIOS rev: 1.26
WORKAROUND: Use Adaptec Storage Manager on the bootable CD to
create arrays.
5.2 SCSI Controllers
- In Linux, the controller does not support attached CD drives
during OS installation.
- Adaptec 2020ZCR/2120S/2200S only -- RAID 10 arrays with greater
than 20 drives and RAID 50 arrays with greater than 18 drives
support the Build/Verify command, but not the Clear command.
- Adaptec 2120S only -- When you flash this controller, the
confirmation message says "Writing 2200S firmware (4MB) to the
Controller..." The model number and size are incorrect. (The
message should say "Writing 2120S firmware (2MB) to the
Controller...") However, the flash process is successful.
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6. Adaptec Bootable CD
6.1 Intel SATA chipset compatibility
- The Adaptec bootable CD will not boot when connected to motherboards
equipped with the Intel ICH5 SATA I/O device.
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