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<div>Cong,</div>
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<div>Try adding "skip=2G" (I think) to your dd command and change the bs and count both to 1. This will essentially thin-provision your iSCSI volume file.</div>
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<div>I use this method to make iSCSI volumes that live on gluster.<br>
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Regards,
<div>Jon Heese</div>
</div>
<div><br>
On Apr 13, 2015, at 5:23 PM, "Yue, Cong" <<a href="mailto:Cong_Yue@alliedtelesis.com">Cong_Yue@alliedtelesis.com</a>> wrote:<br>
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<p class="MsoNormal">I am using GlusterFS to make my storage between several servers can be replicated with fault tolerance. And I am doing the similar way as
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<p class="MsoNormal"><a href="http://www.gluster.org/community/documentation/index.php/GlusterFS_iSCSI">http://www.gluster.org/community/documentation/index.php/GlusterFS_iSCSI</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It works well, but in the process of <o:p></o:p></p>
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<p class="MsoNormal" style="background:#EEEEEE;border:none;padding:0in"><span style="font-size:12.0pt;font-family:"Courier New";color:black">dd if=/dev/zero of=disk3 bs=2G count=25<o:p></o:p></span></p>
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<p class="MsoNormal">it needs long time as for my storage volume is around 1TB. I have one question about whether there is some way to make gluster volume can be exported as an iScsi target without creating disk files?<o:p></o:p></p>
<p class="MsoNormal">For iscsi, it support both disk file and logical unit like /dev/sdb1, but it seems it could not support normal folder like the mount folder from glusterFS.<o:p></o:p></p>
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<p class="MsoNormal">Can anybody kindly advise?<o:p></o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Cong<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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