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Operating Systems AIX Position of the logical volume on the physical volume Post 302751731 by kah00na on Friday 4th of January 2013 11:13:25 AM
Old 01-04-2013
Quote:
Originally Posted by zxmaus
the center is the fastest on a disk...
The center is fastest? Outer tracks would have more sectors so as the disk spins, the head is able to read more sectors in a single disk rotation, right?

---------- Post updated at 10:13 AM ---------- Previous update was at 10:06 AM ----------

Here is a descent animation of the head seeking data on Western Digital's website. It is advertising their "IntelliSeek", but it shows how the head reads data.
Western Digital
 

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HEAD(1) 								FSF								   HEAD(1)

NAME
head - output the first part of files SYNOPSIS
head [OPTION]... [FILE]... DESCRIPTION
Print first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -c, --bytes=SIZE print first SIZE bytes -n, --lines=NUMBER print first NUMBER lines instead of first 10 -q, --quiet, --silent never print headers giving file names -v, --verbose always print headers giving file names --help display this help and exit --version output version information and exit SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg. AUTHOR
Written by David MacKenzie. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for head is maintained as a Texinfo manual. If the info and head programs are properly installed at your site, the command info head should give you access to the complete manual. head (coreutils) 4.5.3 February 2003 HEAD(1)
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