[Iometer-devel] Re: [Iometer-user] RFC: iobw.tst file size as a parameter

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Ming,

I would also like to see this specified as a) BYTES, b) sectors, or c) percent.

Further, for partitions and raw disks (and even files), we should be allowed to
specify a lower as well as an upper limit in any of the above metrics. So, as
an example, if I have a raw disk and I want to touch the 10% of the middle of
the disk -- this will allow me to do that.

Ved

--- Ming Zhang <mi...@el...> wrote:

> Hi, currently iometer will prepare a large iobw.tst file until logical
> disk is used up. but now
> 
> 1) many drive are size in hundreds of GB or even > 1TB; i have a test
> drive with 2TB partition,
> 2) usually the size of this file only need to be several times of the
> host ram size.
> 
> current solution is to quit the iometer till file size is reasonable and
> then relaunch iometer, then u have to wait here and press refresh or ls
> again and again. painful.
> 
> so i propose to use a new parameter for dynamo to specify what will be
> the file size dynamo prepares. if this number is larger than disk size,
> it will be ignored. if the file is already there, then the parameter is
> ignored. no impact on dynamo if no specified.
> 
> comment?
> 
> ming
> 
> -- 
>  --------------------------------------------------
> | Ming Zhang, PhD. Student
> | Dept. of Electrical & Computer Engineering
> | College of Engineering
> | University of Rhode Island
> | Kingston RI. 02881
> | e-mail: mingz at ele.uri.edu
> | Tel. (401) 874-2293 
> | Fax. (401) 782-6422
> | http://www.ele.uri.edu/~mingz/
> | http://crab.ele.uri.edu/gallery/albums.php
>  --------------------------------------------------
> 
> 
> 
> 
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