Compaq AlphaServer ES40, Service Manual

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SRM Console Diagnostics 4-19
-bs <block_size> Specifies the block size (hex) in bytes. The default is 200
(hex).
-bc <block_per_io> 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.
-d1 <buf1_string> 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.
-d2 <buf2_string>
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.
-a <action_string> 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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