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<p class="MsoNormal">페이스북에 질문 하면 답변 안해준다고 하니 메일링으로 쏩니다<span lang="EN-US"> ^^</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">NFS </span>볼륨으로 구축한<span lang="EN-US"> Openstack Juno
</span>버전에서 <span lang="EN-US">Live Migration </span>을 실행해보니<span lang="EN-US"> Shared
</span>볼륨이 아니라서 마이그레이션을 할 수 없다는<span lang="EN-US"></span></p>
<p class="MsoNormal">에러가 발생 하여 관련 소스를 좀 열어 봤습니다<span lang="EN-US">.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal">혹시나 해서<span lang="EN-US"> Grizzly, Icehouse, Juno </span>를 모두 비교 해보고 있는데<span lang="EN-US"> Juno
</span>는 소스가 많이 바뀌었네요<span lang="EN-US"></span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py"</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"># Grizzly</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">2885 # Checking shared storage connectivity</span></p>
<p class="MsoNormal"><span lang="EN-US">2886 # if block migration, instances_paths should not be on shared storage.</span></p>
<p class="MsoNormal"><span lang="EN-US">2887 source = CONF.host</span></p>
<p class="MsoNormal"><span lang="EN-US">2888 filename = dest_check_data["filename"]</span></p>
<p class="MsoNormal"><span lang="EN-US">2889 block_migration = dest_check_data["block_migration"]</span></p>
<p class="MsoNormal"><span lang="EN-US">2890 is_volume_backed = dest_check_data.get('is_volume_backed', False)</span></p>
<p class="MsoNormal"><span lang="EN-US">2891 </span></p>
<p class="MsoNormal"><span lang="EN-US">2892 shared = self._check_shared_storage_test_file(filename)</span></p>
<p class="MsoNormal"><span lang="EN-US">2893 </span></p>
<p class="MsoNormal"><span lang="EN-US">2894 if block_migration:</span></p>
<p class="MsoNormal"><span lang="EN-US">2895 if shared:</span></p>
<p class="MsoNormal"><span lang="EN-US">2896 reason = _("Block migration can not be used "</span></p>
<p class="MsoNormal"><span lang="EN-US">2897 "with shared storage.")</span></p>
<p class="MsoNormal"><span lang="EN-US">2898 raise exception.InvalidLocalStorage(reason=reason, path=source)</span></p>
<p class="MsoNormal"><span lang="EN-US">2899 self._assert_dest_node_has_enough_disk(ctxt, instance_ref,</span></p>
<p class="MsoNormal"><span lang="EN-US">2900 dest_check_data['disk_available_mb'],</span></p>
<p class="MsoNormal"><span lang="EN-US">2901 dest_check_data['disk_over_commit'])</span></p>
<p class="MsoNormal"><span lang="EN-US">2902 </span></p>
<p class="MsoNormal"><span lang="EN-US">2903 elif not shared and not is_volume_backed:</span></p>
<p class="MsoNormal"><span lang="EN-US">2904 reason = _("Live migration can not be used "</span></p>
<p class="MsoNormal"><span lang="EN-US">2905 "without shared storage.")</span></p>
<p class="MsoNormal"><span lang="EN-US">2906 raise exception.InvalidSharedStorage(reason=reason, path=source)</span></p>
<p class="MsoNormal"><span lang="EN-US">2907 dest_check_data.update({"is_shared_storage": shared})</span></p>
<p class="MsoNormal"><span lang="EN-US">2908 return dest_check_data</span></p>
<p class="MsoNormal"><span lang="EN-US">2909 </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"># Icehouse</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">4279 # Checking shared storage connectivity</span></p>
<p class="MsoNormal"><span lang="EN-US">4280 # if block migration, instances_paths should not be on shared storage.</span></p>
<p class="MsoNormal"><span lang="EN-US">4281 source = CONF.host</span></p>
<p class="MsoNormal"><span lang="EN-US">4282 filename = dest_check_data["filename"]</span></p>
<p class="MsoNormal"><span lang="EN-US">4283 block_migration = dest_check_data["block_migration"]</span></p>
<p class="MsoNormal"><span lang="EN-US">4284 is_volume_backed = dest_check_data.get('is_volume_backed', False)</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">4285 has_local_disks = bool(</span></p>
<p class="MsoNormal"><span lang="EN-US">4286 jsonutils.loads(self.get_instance_disk_info(instance['name'])))</span></p>
<p class="MsoNormal"><span lang="EN-US">4287 </span></p>
<p class="MsoNormal"><span lang="EN-US">4288 shared = self._check_shared_storage_test_file(filename)</span></p>
<p class="MsoNormal"><span lang="EN-US">4289 </span></p>
<p class="MsoNormal"><span lang="EN-US">4290 if block_migration:</span></p>
<p class="MsoNormal"><span lang="EN-US">4291 if shared:</span></p>
<p class="MsoNormal"><span lang="EN-US">4292 reason = _("Block migration can not be used "</span></p>
<p class="MsoNormal"><span lang="EN-US">4293 "with shared storage.")</span></p>
<p class="MsoNormal"><span lang="EN-US">4294 raise exception.InvalidLocalStorage(reason=reason, path=source)</span></p>
<p class="MsoNormal"><span lang="EN-US">4295 self._assert_dest_node_has_enough_disk(context, instance,</span></p>
<p class="MsoNormal"><span lang="EN-US">4296 dest_check_data['disk_available_mb'],</span></p>
<p class="MsoNormal"><span lang="EN-US">4297 dest_check_data['disk_over_commit'])</span></p>
<p class="MsoNormal"><span lang="EN-US">4298 </span></p>
<p class="MsoNormal"><span lang="EN-US">4299 elif not shared and (not is_volume_backed or has_local_disks):</span></p>
<p class="MsoNormal"><span lang="EN-US">4300 reason = _("Live migration can not be used "</span></p>
<p class="MsoNormal"><span lang="EN-US">4301 "without shared storage.")</span></p>
<p class="MsoNormal"><span lang="EN-US">4302 raise exception.InvalidSharedStorage(reason=reason, path=source)</span></p>
<p class="MsoNormal"><span lang="EN-US">4303 dest_check_data.update({"is_shared_storage": shared})</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"># Juno</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">5031 # Checking shared storage connectivity</span></p>
<p class="MsoNormal"><span lang="EN-US">5032 # if block migration, instances_paths should not be on shared storage.</span></p>
<p class="MsoNormal"><span lang="EN-US">5033 source = CONF.host</span></p>
<p class="MsoNormal"><span lang="EN-US">5034 </span></p>
<p class="MsoNormal"><span lang="EN-US">5035 dest_check_data.update({'is_shared_instance_path':</span></p>
<p class="MsoNormal"><span lang="EN-US">5036 self._check_shared_storage_test_file(</span></p>
<p class="MsoNormal"><span lang="EN-US">5037 dest_check_data['filename'])})</span></p>
<p class="MsoNormal"><span lang="EN-US">5038 </span></p>
<p class="MsoNormal"><span lang="EN-US">5039 dest_check_data.update({'is_shared_block_storage':</span></p>
<p class="MsoNormal"><span lang="EN-US">5040 self._is_shared_block_storage(instance, dest_check_data)})</span></p>
<p class="MsoNormal"><span lang="EN-US">5041 </span></p>
<p class="MsoNormal"><span lang="EN-US">5042 if dest_check_data['block_migration']:</span></p>
<p class="MsoNormal"><span lang="EN-US">5043 if (dest_check_data['is_shared_block_storage'] or</span></p>
<p class="MsoNormal"><span lang="EN-US">5044 dest_check_data['is_shared_instance_path']):</span></p>
<p class="MsoNormal"><span lang="EN-US">5045 reason = _("Block migration can not be used "</span></p>
<p class="MsoNormal"><span lang="EN-US">5046 "with shared storage.")</span></p>
<p class="MsoNormal"><span lang="EN-US">5047 raise exception.InvalidLocalStorage(reason=reason, path=source)</span></p>
<p class="MsoNormal"><span lang="EN-US">5048 self._assert_dest_node_has_enough_disk(context, instance,</span></p>
<p class="MsoNormal"><span lang="EN-US">5049 dest_check_data['disk_available_mb'],</span></p>
<p class="MsoNormal"><span lang="EN-US">5050 dest_check_data['disk_over_commit'])</span></p>
<p class="MsoNormal"><span lang="EN-US">5051 </span></p>
<p class="MsoNormal"><span lang="EN-US">5052 elif not (dest_check_data['is_shared_block_storage'] or</span></p>
<p class="MsoNormal"><span lang="EN-US">5053 dest_check_data['is_shared_instance_path']):</span></p>
<p class="MsoNormal"><span lang="EN-US">5054 reason = _("Live migration can not be used "</span></p>
<p class="MsoNormal"><span lang="EN-US">5055 "without shared storage.")</span></p>
<p class="MsoNormal"><span lang="EN-US">5056 raise exception.InvalidSharedStorage(reason=reason, path=source)</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal">현재<span lang="EN-US"> Juno </span>버전에서<span lang="EN-US"> Exception
</span>이 발생하는곳이 마지막 줄에서 걸린 것으로 확인 됩니다<span lang="EN-US">.</span></p>
<p class="MsoNormal">혹시 <span lang="EN-US">dest_check_data['is_shared_block_storage']
</span>의 값을 어디서 가져와서<span lang="EN-US"> if </span>구문을 처리하는지 아시는분 계시나요<span lang="EN-US"> ?</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt; color:#222222"><img width="336" height="53" id="그림_x0020_1" src="cid:image001.png@01D05827.97B5D770" alt="1등"></span><span lang="EN-US" style="color:#1F497D"></span></p>
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="345" style="width:258.9pt">
<tbody>
<tr>
<td colspan="5" style="padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222"><img width="330" height="6" id="그림_x0020_2" src="cid:image002.png@01D05827.97B5D770" alt="http://massmail.group.kt.com/NameCardImage/MailNameCard/NameCardTemplate/contentImage/emailsign_final_01.png"></span><span lang="EN-US" style="font-size:9.0pt; color:#222222"></span></p>
</td>
</tr>
<tr style="height:31.5pt">
<td rowspan="3" style="padding:0cm 0cm 0cm 0cm; height:31.5pt">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222"><img width="8" height="76" id="그림_x0020_3" src="cid:image003.png@01D05827.97B5D770" alt="http://massmail.group.kt.com/NameCardImage/MailNameCard/NameCardTemplate/contentImage/emailsign_final_02.png"></span><span lang="EN-US" style="font-size:9.0pt; color:#222222"></span></p>
</td>
<td colspan="4" style="padding:0cm 0cm 2.25pt 0cm; height:31.5pt">
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="320" style="width:240.0pt">
<tbody>
<tr style="height:31.5pt">
<td style="padding:0cm 0cm 0cm 0cm; height:31.5pt">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span style="color:#222222">김정석</span><span lang="EN-US" style="color:#222222"></span></p>
</td>
<td style="padding:0cm 0cm 0cm 0cm; height:31.5pt">
<p class="MsoNormal" align="right" style="text-align:right; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222"><img width="59" height="23" id="그림_x0020_4" src="cid:image004.gif@01D05827.97B5D770" alt="http://massmail.group.kt.com/NameCardImage/MailNameCard/NameCardTemplate/contentImage/logo_ktds.gif"></span><span lang="EN-US" style="font-size:9.0pt; color:#222222"></span></p>
</td>
</tr>
</tbody>
</table>
</td>
</tr>
<tr>
<td colspan="4" style="padding:0cm 0cm 1.5pt 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span style="color:#222222">과장<span lang="EN-US"><img width="4" height="5" id="그림_x0020_5" src="cid:image005.png@01D05827.97B5D770" alt="http://massmail.group.kt.com/NameCardImage/MailNameCard/NameCardTemplate/contentImage/dot3.png">Cloud</span>운영기술팀</span><span lang="EN-US" style="color:#222222"></span></p>
</td>
</tr>
<tr>
<td colspan="4" style="padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="color:#222222">Cloud</span><span style="color:#222222">담당 기술서비스본부</span><span lang="EN-US" style="color:#222222"></span></p>
</td>
</tr>
<tr>
<td colspan="5" style="padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222"><img width="330" height="15" id="그림_x0020_6" src="cid:image006.png@01D05827.97B5D770" alt="http://massmail.group.kt.com/NameCardImage/MailNameCard/NameCardTemplate/contentImage/email_sign_4x_07-08.png"></span><span lang="EN-US" style="font-size:9.0pt; color:#222222"></span></p>
</td>
</tr>
<tr>
<td style="padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222"><img width="8" height="22" id="그림_x0020_7" src="cid:image007.png@01D05827.97B5D770" alt="http://massmail.group.kt.com/NameCardImage/MailNameCard/NameCardTemplate/contentImage/emailsign330_08.png"></span><span lang="EN-US" style="font-size:9.0pt; color:#222222"></span></p>
</td>
<td style="padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222"> </span></p>
</td>
<td style="padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222">010-2864-2631 / </span>
<span lang="EN-US" style="font-size:9.0pt"><a href="mailto:ironman.kim@kt.com"><span style="color:blue">ironman.kim@kt.com</span></a></span><span lang="EN-US" style="font-size:9.0pt; color:#222222"></span></p>
</td>
<td style="padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222"> </span></p>
</td>
<td style="padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222"> </span></p>
</td>
</tr>
<tr>
<td colspan="5" style="padding:0cm 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left; text-autospace:ideograph-other; word-break:keep-all">
<span lang="EN-US" style="font-size:9.0pt; color:#222222"><img border="0" width="330" height="6" id="그림_x0020_8" src="cid:image008.png@01D05827.97B5D770" alt="http://massmail.group.kt.com/NameCardImage/MailNameCard/NameCardTemplate/contentImage/email_sign_4x_09.png"></span><span lang="EN-US" style="font-size:9.0pt; color:#222222"></span></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
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