Compaq AlphaServer ES40 Technické informace stáhnout pdf (Strana 123)

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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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