<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Sep 18, 2016 at 3:34 PM, Maor Lipchuk <span dir="ltr"><<a href="mailto:mlipchuk@redhat.com" target="_blank">mlipchuk@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 all,</div><div><br></div><div>Few moments ago I've merged the Data Center 4.1 upgrade patches (see [1])</div><div>The patches introduce a change in the storage domains' meta data to version 4 which are attached to a 4.1 Data Center</div><div><br></div><div>Currently, there are no differences between version 3 and version 4, but the plan will be to add extra functionalities to V4 storage domains such as supporting qcow 1.1</div></div></blockquote><div><br></div><div>It'd be great if we can document in <a href="http://ovirt.org">ovirt.org</a> somewhere what features are going to be available in 4.1 DC.</div><div>I'm aware of qcow2v3, libgfapi, copy via HSM and discard. io=native everywhere is a EL7.3 feature, could be coupled with the DC level - not sure. </div><div>I hope we can also increase the lease metadata space, but that's possibly not a 4.1 goal.</div><div>Y.</div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div><div>For those of you which already have a 4.1 DC, you might encounter some problems since your storage domains are still configured as V3 and should be upgraded.</div><div><br></div><div>For your master environment to be compatible with those changes the following changes should be performed:</div><div><br></div><div>* In the engine side:</div><div>1. Change the storage domains version from V3 to V4:</div><div> update storage_domain_static set storage_domain_format_type = 4 where id = (SELECT id from storage_domains where storage_pool_name = '{Data Center name}');</div><div> </div><div>2. Change the storage pool format type to 4:</div><div> update storage_pool set storage_pool_format_type = 4 where name = '{Data Center name}';</div><div><br></div><div>* In the VDSM side:</div><div>1. call the upgradeStoragePool verb:</div><div> vdsClient -s 0 upgradeStoragePool {storage_pool_id} 4</div><div><br></div><div>Please let me know if you encounter any issues</div><div><br></div><div>Regards,</div><div>Maor</div><div><br></div><div><br></div><div>[1]</div><div><a href="https://gerrit.ovirt.org/#/c/63637/" target="_blank">https://gerrit.ovirt.org/#/c/<wbr>63637/</a><br></div><div><a href="https://gerrit.ovirt.org/#/c/63717/" target="_blank">https://gerrit.ovirt.org/#/c/<wbr>63717/</a><br></div><div><a href="https://gerrit.ovirt.org/#/c/63547/" target="_blank">https://gerrit.ovirt.org/#/c/<wbr>63547/</a><br></div></div>
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