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<p><b>New page</b></p><div>== Configuration ==<br />
<br />
Computer is equipped with one 2,5 inch [http://geizhals.at/western-digital-av-25-500gb-wd5000buct-a666990.html Western Digital AV-25 500GB, 16MB Cache, SATA 3Gb/s (WD5000BUCT)] HDD detected as '''WDC_WD5000BUCT-63LS5Y1''' by ''udevadm info --query=all --path=/sys/block/sda''.<br />
<br />
=== Partitions ===<br />
<br />
<pre><br />
Disk /dev/sda: 500.1 GB, 500107862016 bytes<br />
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors<br />
Units = sectors of 1 * 512 = 512 bytes<br />
Sector size (logical/physical): 512 bytes / 4096 bytes<br />
I/O size (minimum/optimal): 4096 bytes / 4096 bytes<br />
Disk identifier: 0x000d3c05<br />
<br />
Device Boot Start End Blocks Id System<br />
/dev/sda1 63 28674047 14336992+ 83 Linux<br />
Partition 1 does not start on physical sector boundary.<br />
/dev/sda2 28674048 976773119 474049536 5 Extended<br />
/dev/sda5 28676096 972578815 471951360 83 Linux<br />
/dev/sda6 972580864 976773119 2096128 82 Linux swap / Solaris<br />
</pre><br />
<br />
==== Performance on partition #5 ====<br />
<br />
* Write<br />
<br />
<pre><br />
# dd if=/dev/zero of=tempfile bs=1M count=4096 conv=fdatasync,notrunc<br />
4096+0 Datensätze ein<br />
4096+0 Datensätze aus<br />
4294967296 Bytes (4,3 GB) kopiert, 121,742 s, 35,3 MB/s<br />
</pre><br />
<br />
* Read<br />
<br />
<pre><br />
# echo 3 | tee /proc/sys/vm/drop_caches<br />
# dd if=tempfile of=/dev/null bs=1M count=4096<br />
4096+0 Datensätze ein<br />
4096+0 Datensätze aus<br />
4294967296 Bytes (4,3 GB) kopiert, 91,3307 s, 47,0 MB/s<br />
</pre></div>
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