Compaq AlphaServer ES40 Service Manual page 123

-bs <block_size>
-bc <block_per_io>
-d1 <buf1_string>
-d2 <buf2_string>
-a <action_string>
Specifies the block size (hex) in bytes. The default is 200
(hex).
Specifies the number of blocks (hex) per I/O. On devices
without length (tape), use the specified packet size or
default to 2048. The maximum block size allowed with
variable length block reads is 2048 bytes. The default
is 1.
String argument for eval to generate buffer1 data
pattern from. Buffer1 is initialized only once before any
I/O occurs. Default = all bytes set to hex 5A's.
String argument for eval to generate buffer2 data
pattern from. Buffer2 is initialized only once before any
I/O occurs. Default = all bytes set to hex 5A's.
Specifies an exerciser action string, which determines
the sequence of reads, writes, and compares to various
buffers. The default action string is ?r. The action string
characters are:
•
r Read into buffer1.
•
W Write from buffer1.
•
R Read into buffer2.
•
W Write from buffer2.
•
N Write without lock from buffer1.
•
N Write without lock from buffer2.
•
c Compare buffer1 with buffer2.
•
- Seek to file offset prior to last read or write.
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