Blogposts tagged iscsif.zz.dehttps://f.zz.de/tags/iscsi/f.zz.deikiwiki2018-07-09T08:33:08ZMinimum io size vs Optimal io sizehttps://f.zz.de/posts/201807091031.minimum_io_size_vs_optimal_io_size/Florian Lohoff2018-07-09T08:33:08Z2018-07-09T08:31:14Z
<p>Something is going wrong - How can the <code>optimal_io_size</code>
be smaller than the <code>minimum_io_size</code>:</p>
<pre><code>root@host:~# cat /sys/block/sdb/alignment_offset
0
root@host:~# cat /sys/block/sdb/queue/optimal_io_size
655360
root@host:~# cat /sys/block/sdb/queue/minimum_io_size
2097152
</code></pre>
<p>This is <code>open-iscsi</code> connected to an Synology LUN.</p>