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<p class="MsoNormal"><span style="">Thanks Kristine. From the doc update perspective, we’ve added this as a new task to
<a href="https://storyboard.openstack.org/#!/story/2006289" target="_blank" rel="noopener noreferrer">
https://storyboard.openstack.org/#!/story/2006289</a>. </span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style="">-- Mike and team</span></p>
<p class="MsoNormal"><span style=""> </span></p>
<div>
<div style="border:none; border-top:solid #E1E1E1 1.0pt; padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><a name="_MailOriginal"></a><a name="_____replyseparator"></a><span style=""><b><span style="">From:</span></b></span><span style=""><span style=""> Liu, Yang <yang.liu@windriver.com>
<br>
<b>Sent:</b> Tuesday, August 13, 2019 10:04 AM<br>
<b>To:</b> Bujold, Kristine <Kristine.Bujold@windriver.com>; starlingx-discuss@lists.starlingx.io<br>
<b>Cc:</b> <span class="SpellE">Balaraj</span>, Juanita <Juanita.Balaraj@windriver.com><br>
<b>Subject:</b> Re: [<span class="SpellE">Starlingx</span>-discuss] [DOCS] new host-fs CLI commands</span></span></p>
</div>
</div>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style=""><span style="color:#1F497D">Hi Kristine, </span>
</span></p>
<p class="MsoNormal"><span style=""><span style="color:#1F497D"> </span></span></p>
<p class="MsoNormal"><span style=""><span style="color:#1F497D">What is the current expectation for backup fs when modify
<span class="SpellE">controllerfs</span>?</span></span></p>
<p class="MsoNormal"><span style=""><span style="color:#1F497D">e.g., if we want to increase any replicated controller fs, do we first need to modify non-replicated backup fs on both controllers to ensure there are enough spaces for all the replicated and non-replicated
 file systems?</span></span></p>
<p class="MsoNormal"><span style=""><span style="color:#1F497D"> </span></span></p>
<p class="MsoNormal"><span style=""><span style="color:#1F497D">Thanks,</span></span></p>
<p class="MsoNormal"><span style=""><span style="color:#1F497D">Yang </span></span></p>
<p class="MsoNormal"><span style=""><span style="color:#1F497D"> </span></span></p>
<div>
<div style="border:none; border-top:solid #B5C4DF 1.0pt; padding:3.0pt 0in 0in 0in">
<p class="MsoNormal" style=""><span style=""><b><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif">From:</span></b></span><span style=""><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif"> Bujold, Kristine [</span></span><a href="mailto:Kristine.Bujold@windriver.com" target="_blank" rel="noopener noreferrer"><span style=""><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif">mailto:Kristine.Bujold@windriver.com</span></span><span style=""></span></a><span style=""><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif">]
<br>
<b>Sent:</b> August-13-19 12:49 PM<br>
<b>To:</b> </span></span><a href="mailto:starlingx-discuss@lists.starlingx.io" target="_blank" rel="noopener noreferrer"><span style=""><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif">starlingx-discuss@lists.starlingx.io</span></span><span style=""></span></a><span style=""><span style="font-size:10.0pt; font-family:"Tahoma",sans-serif"><br>
<b>Cc:</b> <span class="SpellE">Balaraj</span>, Juanita<br>
<b>Subject:</b> [<span class="SpellE">Starlingx</span>-discuss] [DOCS] new host-fs CLI commands</span></span></p>
</div>
</div>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style="">A new CLI command called host-fs has been introduced to enable resizing of filesystems on a specific host. Changes were also made to the
<span class="SpellE">controllerfs</span> API.</span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style=""></span><a href="https://bugs.launchpad.net/starlingx/+bug/1830142" target="_blank" rel="noopener noreferrer"><span style="">https://bugs.launchpad.net/starlingx/+bug/1830142</span><span style=""></span></a><span style=""></span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style=""><b><span style="font-size:14.0pt">Previously</span></b></span></p>
<p class="MsoNormal"><span style="">Previously we allowed resizing of our filesystems through the
<span class="SpellE">controllerfs</span> API, which only applied to controller hosts. The
<span class="SpellE">controllerfs</span> API modified the following filesystems; </span>
</p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">-
<span class="SpellE"><b>drbd</b></span><b> replicated</b></span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">                database</span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">                docker-distribution</span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">               
<span class="SpellE">etcd</span></span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">                extension</span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">                glance</span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style=""> </span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">-
<b>non replicated</b></span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">                backup</span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">                docker
</span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">                scratch</span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style=""><b><span style="font-size:14.0pt">New host-fs API</span></b></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">A new host-fs API has been created to allow a filesystem to be resized on any specific host. The non
<span class="SpellE">drbd</span> filesystems from <span class="SpellE">controllerfs</span> (backup, docker and scratch) have been moved to the new host-fs API. Also a new filesystem called "<span class="SpellE">kublet</span>" has been created on all hosts with
 a default size of 10G.</span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">The new API has the following CLI commands
</span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">system host-fs-list <hostname or id></span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">system host-fs-modify <hostname or id> <<span class="SpellE">fs_name</span>=size> [<<span class="SpellE">fs_name</span>=size> ...]</span></p>
<p class="MsoNormal" style="margin-left:.5in; text-autospace:none"><span style="">system host-host-show <hostname or id> <fs name or
<span class="SpellE">uuid</span>> </span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">system host-fs-list controller-1</span></span><span style=""><span style="font-size:8.0pt; font-family:"Calibri",sans-serif; color:black"></span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+--------------------------------------+---------+-------------+----------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| UUID                                 | FS Name | Size in
<span class="SpellE">GiB</span> | Logical Volume |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+--------------------------------------+---------+-------------+----------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| a4d83571-a555-4ba5-999f-af709206ae35 | backup  | 40          | backup-lv      |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| d57652a1-af17-47b8-b941-9ebfeee4a56f | docker  | 30          | docker-lv      |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| a84374c6-8917-4db5-bd34-2a8d244f2bf6 |
<span class="SpellE">kubelet</span> | 10          | <span class="SpellE">kubelet</span>-lv     |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| 2c026d6f-5c03-4135-abca-c0047aa7f5a6 | scratch | 8           | scratch-lv     |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+--------------------------------------+---------+-------------+----------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black"> </span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">system host-fs-list compute-1</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+--------------------------------------+---------+-------------+----------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| UUID                                 | FS Name | Size in
<span class="SpellE">GiB</span> | Logical Volume |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+--------------------------------------+---------+-------------+----------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| 32e8b0b2-8a26-4c87-ae2e-71477b276740 | docker  | 30          | docker-lv      |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| 223671f7-aed0-4c6e-b1d2-1327aae74439 |
<span class="SpellE">kubelet</span> | 10          | <span class="SpellE">kubelet</span>-lv     |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| 36b96d05-febb-411b-a290-abdc5a2be0ff | scratch | 4           | scratch-lv     |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+--------------------------------------+---------+-------------+----------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black"> </span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">system host-fs-show controller-1 a4d83571-a555-4ba5-999f-af709206ae35</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+----------------+--------------------------------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| Property       | Value                                |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+----------------+--------------------------------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">|
<span class="SpellE">uuid</span>           | a4d83571-a555-4ba5-999f-af709206ae35 |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| name           | backup                               |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| size           | 40                                   |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">|
<span class="SpellE">logical_volume</span> | backup-lv                            |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">|
<span class="SpellE">created_at</span>     | 2019-08-08T03:05:25.341669+00:00     |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">|
<span class="SpellE">updated_at</span>     | None                                 |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+----------------+--------------------------------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black"> </span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">system host-fs-modify controller-1 docker=31
<span class="SpellE">kubelet</span>=11</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+--------------------------------------+---------+-------------+----------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| UUID                                 | FS Name | Size in
<span class="SpellE">GiB</span> | Logical Volume |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+--------------------------------------+---------+-------------+----------------+</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| a4d83571-a555-4ba5-999f-af709206ae35 | backup  | 40          | backup-lv      |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| d57652a1-af17-47b8-b941-9ebfeee4a56f | docker  | 31          | docker-lv      |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| a84374c6-8917-4db5-bd34-2a8d244f2bf6 |
<span class="SpellE">kubelet</span> | 11          | <span class="SpellE">kubelet</span>-lv     |</span></span></p>
<p style="margin-right:0in; margin-bottom:0in; margin-left:.5in; margin-bottom:.0001pt">
<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">| 2c026d6f-5c03-4135-abca-c0047aa7f5a6 | scratch | 8           | scratch-lv     |</span></span></p>
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<span style=""><span style="font-size:8.0pt; font-family:"Courier New"; color:black">+--------------------------------------+---------+-------------+----------------+</span></span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><span style="font-family:"Courier New""> </span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><b>Filesystem          Supported Hosts              Folder                                  Logical Volume                 Default Size</b>      
</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">backup                 controller                             /opt/backups                    backup-lv                             40G</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">scratch                  all hosts                               /scratch                                scratch-lv                             varies depending on system, configured in kickstart</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">docker                  all hosts                               /var/lib/docker                  docker-lv                             30G (new fs to worker and storage hosts)</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><span class="SpellE">kublet</span>                   all hosts                               /var/lib/<span class="SpellE">kublet</span>                   <span class="SpellE">kublet</span>-lv             
                 10G (new fs to all hosts)</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""> </span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""> </span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><b><span style="font-size:14.0pt">Changes to
<span class="SpellE">controllerfs</span> API</span></b></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">The existing “platform” filesystem is now resizable and added to
<span class="SpellE">controllerfs</span>. The “glance” filesystem is now merged into platform. Below are the new filesystems resizable by
<span class="SpellE">controllerfs</span>. The backup, docker and scratch filesystems are now resizable under host-fs.</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><span style="font-family:"Courier New""> </span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><b>Filesystem                          Folder                                                   Logical Volume                 Default Size</b>      
</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">database                             /var/lib/<span class="SpellE">postgresql</span>                         
<span class="SpellE">pgsql</span>-lv                                 40G</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">docker-distribution         /var/lib/docker-distribution       
<span class="SpellE">dockerdistribution</span>-lv      16G</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><span class="SpellE">etcd</span>                                       /opt/<span class="SpellE">etcd</span>                                           
<span class="SpellE">etcd</span>-lv                                  5G</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">extension                            /opt/extension                                extension-lv                       1G</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><s>glance                                   /opt/<span class="SpellE">cgcs</span>                                            <span class="SpellE">cgcs</span>-lv                                  
 20g (removed and merged with platform)</s></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="">platform                              /opt/platform                                   platform-lv                          10G</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><s>backup                                 /opt/backups                                    backup-lv                            managed by host-fs</s></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><s>scratch                                 /scratch                                                scratch-lv                             managed by host-fs</s></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""><s>docker                                 /var/lib/docker                                  docker-lv                             managed by host-fs</s></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style=""> </span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style="">Thanks,</span></p>
<p class="MsoNormal"><span style="">Kristine </span></p>
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