<div dir="ltr">Hi and thanks for the response<div><br></div><div>Is there any way that this could be done without putting the entire datacenter (and I assume shutting done all the VMs) into maintenance mode?</div><div><br></div><div>I was thinking along the lines of:</div><div>- Put all hosts except for the the SPM into maintenance mode</div><div>- Determine which LUNs match to the "/dev/dm-*" devices that the three I want to remove (<span style="font-size:12.8px">rhev-data01, </span><span style="font-size:12.8px">rhev-data02, </span><span style="font-size:12.8px">rhev-data03)</span></div><div>- Determine which LUN matches the "/dev/dm-*" devices that I want to keep (<span style="font-size:12.8px">rhev-data04)</span></div><div><div>- pvmove <span style="font-size:12.8px">rhev-data01 </span><span style="font-size:12.8px">rhev-data04</span></div></div><div><div>- pvmove <span style="font-size:12.8px">rhev-data02 </span><span style="font-size:12.8px">rhev-data04</span></div></div><div><div>- pvmove <span style="font-size:12.8px">rhev-data03 </span><span style="font-size:12.8px">rhev-data04</span></div></div><div><span style="font-size:12.8px"><br></span></div><div>The pvmove commands above for illustration only, I know thats not how the LUNs would be called.</div><div><br></div><div>Does that look like it would work?</div><div><br></div><div>Thanks</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 4, 2016 at 5:20 PM, Elad Ben Aharon <span dir="ltr"><<a href="mailto:ebenahar@redhat.com" target="_blank">ebenahar@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Hi,<br><br></div><div>oVirt allows such operations using this feature [1]. <br></div><div>Basically, while the storage domain is deactivated (maintenance status), you'll have to replicate all the data to the fourth LUN (from the storage server side), replace the storage connections of this storage domain from RHEVM REST API (explained in [1]) and to activate the domain.<br></div><div><br><br>[1] <a href="http://www.ovirt.org/Features/Manage_Storage_Connections" target="_blank">http://www.ovirt.org/Features/Manage_Storage_Connections</a><br><br><br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Thu, Feb 4, 2016 at 1:17 AM, Colin Coe <span dir="ltr"><<a href="mailto:colin.coe@gmail.com" target="_blank">colin.coe@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr">Hi all<div><br></div><div>In one of our RHEV setups (v3.5.4) the iSCSI storage domain consists of four LUNs. (full details in the attached text file).</div><div><br></div><div>I want to consolidate all the data on LUNs </div><div>iqn.2003-10.com.lefthandnetworks:iscsi:341:rhev-data01<br></div><div>qn.2003-10.com.lefthandnetworks:iscsi:453:rhev-data02<br></div><div>iqn.2003-10.com.lefthandnetworks:iscsi:518:rhev-data03<br></div><div>to LUN</div><div>iqn.2003-10.com.lefthandnetworks:iscsi:687:rhev-data04<br></div><div><br></div><div>Is this possible?</div><div><br></div><div>Thanks</div><span><font color="#888888"><div><br></div><div>CC</div></font></span></div>
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