Re: query on verify_dump option

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On 2012-04-05 17:20, Suresh Dhanarajan wrote:
> Hi,
> I am trying data integration cases with verify_pattern option.
> I am not seeing any dump file generated for the mismatch.
> Here are the steps i followed,
> Started fio and waited till 30 % writes done the disk and issued a dd
> write on the same disc for the first 512 bytes with pattern zero.
> then waited till verify gets completed.
> I can see the error's in the output log file but not the dump file.
> Here is my job file.
> [global]
> size=10g
> direct=1
> filename=/dev/sdc
> verify_pattern=0x01010101
> verify=meta
> bs=64k
> group_reporting
> [write-phase]
> rw=write
> do_verify=0
> [verify-phase]
> stonewall
> rw=read
> do_verify=1
> continue_on_error=all
> verify_dump=1
> ~
> Let me know if i am missing something over here.

You don't get the .received and .expected files?

> 2)Also i have one query like verify_pattern option is it possible to
> provide known pattern for write and reads this will be very useful in
> DI verification test cases

Not sure I understand this one. You are already providing the pattern
you want. What am I missing?

Jens Axboe

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