CBR UMN DOC

Reviewed-by: Muller, Martin <martin.muller@t-systems.com>
Co-authored-by: zhangyue <zhangyue164@huawei.com>
Co-committed-by: zhangyue <zhangyue164@huawei.com>

docs/cbr/umn/cbr_02_0009.html

@@ -34,7 +34,7 @@
 </p></li><li id="cbr_02_0009__li840501215253"><span>On a backup page, locate the target vault and click <strong id="cbr_02_0009__b102877281240">Associate Server</strong>, <strong id="cbr_02_0009__b611417519444">Associate File System</strong>, or <strong id="cbr_02_0009__b109882716615">Associate Disk</strong>.</span></li><li id="cbr_02_0009__li174670712537"><span>In the resource list, select the resources you want to associate with the vault. After resources are selected, they are added to the list of selected resources. See <a href="#cbr_02_0009__fig20466879539">Figure 1</a>.</span><p><div class="fignone" id="cbr_02_0009__fig20466879539"><a name="cbr_02_0009__fig20466879539"></a><a name="fig20466879539"></a><span class="figcap"><b>Figure 1 </b>Associate Server</span></div>
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-<p id="cbr_02_0009__p84672725314"><span><img id="cbr_02_0009__image25651478338" src="en-us_image_0252972053.png" title="Click to enlarge" class="imgResize"></span></p>
+<p id="cbr_02_0009__p84672725314"><span><img id="cbr_02_0009__image124674705313" src="en-us_image_0252972053.png" title="Click to enlarge" class="imgResize"></span></p>
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docs/cbr/umn/cbr_03_0002.html

@@ -79,7 +79,7 @@
 <td class="cellrowborder" valign="top" width="19%" headers="mcps1.3.3.2.3.2.2.1.1.2.2.4.1.2 "><p id="cbr_03_0002__p976761701313">An intermediate state</p>
 </td>
 <td class="cellrowborder" valign="top" width="66%" headers="mcps1.3.3.2.3.2.2.1.1.2.2.4.1.3 "><p id="cbr_03_0002__p8767191771318">An intermediate state displayed when a capacity expansion is in progress.</p>
-<p id="cbr_03_0002__p776711771310">If a vault is in this state, you can perform operations, such as applying a policy and associating servers or disks. However, the following operations are not allowed on such a vault: expanding the vault capacity and changing the vault specifications. Once those operations are complete, the vault status will become <strong id="cbr_03_0002__b12352111412119">Available</strong>.</p>
+<p id="cbr_03_0002__p776711771310">If a vault is in this state, you can perform operations, such as applying a policy and associating servers, file systems, or disks. However, the following operations are not allowed on such a vault: expanding the vault capacity and changing the vault specifications. Once those operations are complete, the vault status will become <strong id="cbr_03_0002__b12352111412119">Available</strong>.</p>
 </td>
 </tr>
 <tr id="cbr_03_0002__row976771716137"><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.3.2.3.2.2.1.1.2.2.4.1.1 "><p id="cbr_03_0002__p7767191751314">Deleting</p>

docs/cbr/umn/cbr_03_0016.html

@@ -5,7 +5,7 @@
 <div class="section" id="cbr_03_0016__section17298602104539"><h4 class="sectiontitle">Prerequisites</h4><ul id="cbr_03_0016__ul092471713414"><li id="cbr_03_0016__li63656108118">The following operations have been performed:<ul id="cbr_03_0016__ul1217981420114"><li id="cbr_03_0016__li5533191362714">You have optimized the Linux ECS (referring to <a href="https://docs.otc.t-systems.com/usermanual/ims/en-us_topic_0047501133.html" target="_blank" rel="noopener noreferrer">Optimizing a Linux Private Image</a>) and installed Cloud-Init (referring to <a href="https://docs.otc.t-systems.com/usermanual/ims/en-us_topic_0030730603.html" target="_blank" rel="noopener noreferrer">Installing Cloud-Init</a>).</li><li id="cbr_03_0016__li15415139274">You have optimized the Windows ECS (referring to <a href="https://docs.otc.t-systems.com/usermanual/ims/en-us_topic_0047501112.html" target="_blank" rel="noopener noreferrer">Optimizing a Windows Private Image</a>) and installed Cloudbase-Init (referring to <a href="https://docs.otc.t-systems.com/usermanual/ims/en-us_topic_0030730602.html" target="_blank" rel="noopener noreferrer">Installing and Configuring Cloudbase-Init</a>).</li></ul>
 </li><li id="cbr_03_0016__li14168628161118">The backup is in the <strong id="cbr_03_0016__b842352706152430">Available</strong> state or in the <strong id="cbr_03_0016__b842352706152436">Creating</strong> state which is marked with "Image can be created."<div class="note" id="cbr_03_0016__note87181591118"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="cbr_03_0016__p17181759516">Once a backup creation starts, the backup enters the <strong id="cbr_03_0016__b842352706152613">Creating</strong> state. After a period of time, a message stating "Image can be created" is displayed under <strong id="cbr_03_0016__b842352706152710">Creating</strong>. In this case, the backup can be used for creating an image, even though it is still being created and cannot be used for restoration.</p>
 </div></div>
-</li><li id="cbr_03_0016__li13321223131910">The backup contains the system disk data.</li></ul>
+</li><li id="cbr_03_0016__li13321223131910">The backup contains the system disk data.</li><li id="cbr_03_0016__li05073184421">Only ECS backups can be used to create images.</li></ul>
 </div>
 <div class="section" id="cbr_03_0016__section13781852174819"><h4 class="sectiontitle">Notes</h4><ul id="cbr_03_0016__ul7334353109"><li id="cbr_03_0016__li1990920191012">Images created using a backup are the same, so CBR allows you to use a backup to create only one full-ECS image that contains the whole data of the system disk and data disks of an ECS, in order to save the image quota. After an image is created, you can use the image to provision multiple ECSs in a batch.</li><li id="cbr_03_0016__li10601101714161">A backup with an image created cannot be deleted directly. To delete such a backup, delete its image first. If a backup is automatically generated based on a backup policy and the backup has been used to create an image, the backup will not be counted as a retained backup and will not be deleted automatically.</li><li id="cbr_03_0016__li14260154719126">A backup is compressed when it is used to create an image, so the size of the generated image may be smaller than the backup size.</li></ul>
 </div>
@@ -13,7 +13,7 @@
 </p></li><li id="cbr_03_0016__li5824770522334"><span>Click the <span class="wintitle" id="cbr_03_0016__wintitle18207015229169"><b>Backups</b></span> tab. Locate the desired backup. For details, see <a href="cbr_03_0013.html">Viewing a Backup</a>.</span></li><li id="cbr_03_0016__li21461652192220"><span>In the row of the backup, choose <strong id="cbr_03_0016__b5887105315145">More</strong> &gt; <span class="uicontrol" id="cbr_03_0016__uicontrol1866933588171922"><b>Create Image</b></span>. See <a href="#cbr_03_0016__fig31751974142">Figure 1</a>.</span><p><div class="fignone" id="cbr_03_0016__fig31751974142"><a name="cbr_03_0016__fig31751974142"></a><a name="fig31751974142"></a><span class="figcap"><b>Figure 1 </b>Creating an image</span><br><span><img id="cbr_03_0016__image14391204413719" src="en-us_image_0251479636.png" title="Click to enlarge" class="imgResize"></span></div>
 <p id="cbr_03_0016__p9582132215389"></p>
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-</p></li><li id="cbr_03_0016__li66742019204510"><span>Create an image by referring to section "Creating a Full-ECS Image Using a Cloud Server Backup" in the <em id="cbr_03_0016__i1527680217">Image Management Service User Guide</em>.</span></li><li id="cbr_03_0016__li1196672215479"><span>Use the image to provision ECSs when needed. For details, see section "Creating an ECS from an Image" in the <em id="cbr_03_0016__i505744543">Image Management Service User Guide</em>.</span></li></ol>
+</p></li><li id="cbr_03_0016__li66742019204510"><span>Create an image by referring to section "Creating a Full-ECS Image Using a Cloud Server Backup" in the <em id="cbr_03_0016__i1051188404">Image Management Service User Guide</em>.</span></li><li id="cbr_03_0016__li1196672215479"><span>Use the image to provision ECSs when needed. For details, see section "Creating an ECS from an Image" in the <em id="cbr_03_0016__i736793136">Image Management Service User Guide</em>.</span></li></ol>
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docs/cbr/umn/cbr_03_0025.html

@@ -3,7 +3,7 @@
 <h1 class="topictitle1">Creating a Backup Policy</h1>
 <div id="body1552566444834"><p id="cbr_03_0025__p8060118">A backup policy allows CBR to automatically back up vaults at specified times or intervals. Periodic backups can be used to restore data quickly against data corruption or loss.</p>
 <p id="cbr_03_0025__p179332587572">To implement periodic backups, you need a backup policy first. You can use the default backup policy or create one as needed.</p>
-<div class="section" id="cbr_03_0025__section3333171185517"><h4 class="sectiontitle">Constraints</h4><ul id="cbr_03_0025__ul193336145517"><li id="cbr_03_0025__li205214151445">Backup policies can be applied to the following types of vaults: server backup vaults, disk backup vaults</li><li id="cbr_03_0025__li3738437365">A backup policy must be enabled before it can be used for periodic backups.</li><li id="cbr_03_0025__li733314115519">A maximum of 32 backup policies can be created in each account.</li><li id="cbr_03_0025__li197246193214">When expired backups are deleted, automatic backups will be deleted, but manual backups will not.</li><li id="cbr_03_0025__li1523412189464">Only servers in the <strong id="cbr_03_0025__b6268195112815">Running</strong> or <strong id="cbr_03_0025__b156211024919">Stopped</strong> state and disks in the <strong id="cbr_03_0025__b12189845291">Available</strong> or <strong id="cbr_03_0025__b27992611296">In-use</strong> state can be backed up.</li></ul>
+<div class="section" id="cbr_03_0025__section3333171185517"><h4 class="sectiontitle">Constraints</h4><ul id="cbr_03_0025__ul193336145517"><li id="cbr_03_0025__li205214151445">Backup policies can be applied to the following types of vaults: server backup vaults, disk backup vaults</li><li id="cbr_03_0025__li3738437365">A backup policy must be enabled before it can be used for periodic backups.</li><li id="cbr_03_0025__li733314115519">A maximum of 32 backup policies can be created in each account.</li><li id="cbr_03_0025__li197246193214">When expired backups are deleted, automatic backups will be deleted, but manual backups will not.</li><li id="cbr_03_0025__li1523412189464">Only servers in the <strong id="cbr_03_0025__b6268195112815">Running</strong> or <strong id="cbr_03_0025__b1965014203317">Stopped</strong> state and disks in the <strong id="cbr_03_0025__b12189845291">Available</strong> or <strong id="cbr_03_0025__b27992611296">In-use</strong> state can be backed up.</li></ul>
 </div>
 <div class="section" id="cbr_03_0025__section994083714511"><h4 class="sectiontitle">Procedure</h4><ol id="cbr_03_0025__ol27614245223034"><li id="cbr_03_0025__li21012745223034"><span>Log in to CBR Console.</span><p><ol type="a" id="cbr_03_0025__ol6567385123151"><li id="cbr_03_0025__li5480597823151">Log in to the management console.</li><li id="cbr_03_0025__li69106284253">Click <span><img id="cbr_03_0025__image1844744225011" src="en-us_image_0000001630830957.png"></span> in the upper left corner and select a region.</li><li id="cbr_03_0025__li4225424523410">Click <span><img id="cbr_03_0025__image8512125016910" src="en-us_image_0000001630790433.jpg"></span> and choose <strong id="cbr_03_0025__b1718593114190">Storage</strong> &gt; <strong id="cbr_03_0025__b419612319198">Cloud Backup and Recovery</strong>.</li></ol>
 </p></li><li id="cbr_03_0025__li485913287107"><span>Choose <strong id="cbr_03_0025__b08111921174010">Policies</strong> in the left navigation pane and click the <strong id="cbr_03_0025__b11819122164016">Backup Policies</strong> tab. In the upper right corner, click <strong id="cbr_03_0025__b148204217406">Create Policy</strong>. See <a href="#cbr_03_0025__fig83663164139">Figure 1</a>.</span><p><div class="fignone" id="cbr_03_0025__fig83663164139"><a name="cbr_03_0025__fig83663164139"></a><a name="fig83663164139"></a><span class="figcap"><b>Figure 1 </b>Creating a backup policy</span></div>
@@ -53,14 +53,14 @@
 </div></div>
 </td>
 <td class="cellrowborder" valign="top" width="33.333333333333336%" headers="mcps1.3.4.2.3.2.1.2.4.1.3 "><p id="cbr_03_0025__p631620196155">00:00, 02:00</p>
-<ul id="cbr_03_0025__ul256875752517"><li id="cbr_03_0025__li10569165732513">It is recommended that backups be performed during service off-peak hours or when no services are running.</li><li id="cbr_03_0025__li16569165719251">Peak hours of the backup service are from 00:00 to 06:00, during which backup schedules may be delayed. So you are advised to evaluate your service types and schedule backups outside of the backup peak hours.</li></ul>
+<ul id="cbr_03_0025__ul256875752517"><li id="cbr_03_0025__li10569165732513">It is recommended that backups be performed during off-peak hours or when no services are running.</li><li id="cbr_03_0025__li16569165719251">Peak hours of the backup service are from 00:00 to 06:00, during which backup schedules may be delayed. So you are advised to evaluate your service types and schedule backups outside of the backup peak hours.</li></ul>
 </td>
 </tr>
 <tr id="cbr_03_0025__row8447021201515"><td class="cellrowborder" valign="top" width="16.161616161616163%" headers="mcps1.3.4.2.3.2.1.2.4.1.1 "><p id="cbr_03_0025__p850234243220">Backup Cycle</p>
 </td>
 <td class="cellrowborder" valign="top" width="50.505050505050505%" headers="mcps1.3.4.2.3.2.1.2.4.1.2 "><p id="cbr_03_0025__p3110528133312">Select a backup frequency.</p>
 <ul id="cbr_03_0025__ul31107284337"><li id="cbr_03_0025__li4111828123317"><strong id="cbr_03_0025__b648013662219">Week-based cycle</strong><p id="cbr_03_0025__p11111172833311">Specifies on which days of each week the backup task will be executed. You can select multiple days.</p>
-</li><li id="cbr_03_0025__li121117285335"><strong id="cbr_03_0025__b2112383881">Custom cycle</strong><p id="cbr_03_0025__p2111928123319">Specifies the interval (every 1 to 30 days) for executing the backup task.</p>
+</li><li id="cbr_03_0025__li121117285335"><strong id="cbr_03_0025__b1311945420">Custom cycle</strong><p id="cbr_03_0025__p2111928123319">Specifies the interval (every 1 to 30 days) for executing the backup task.</p>
 </li></ul>
 </td>
 <td class="cellrowborder" valign="top" width="33.333333333333336%" headers="mcps1.3.4.2.3.2.1.2.4.1.3 "><p id="cbr_03_0025__p311122893310">Every day</p>

docs/cbr/umn/cbr_03_0027.html

@@ -6,6 +6,7 @@
 </div>
 <div class="section" id="cbr_03_0027__section15981174344112"><h4 class="sectiontitle">Procedure</h4><ol id="cbr_03_0027__ol27614245223034"><li id="cbr_03_0027__li12823104942014"><span>Log in to CBR Console.</span><p><ol type="a" id="cbr_03_0027__cbr_02_0003_ol6567385123151"><li id="cbr_03_0027__cbr_02_0003_li5480597823151">Log in to the management console.</li><li id="cbr_03_0027__cbr_02_0003_li69106284253">Click <span><img id="cbr_03_0027__cbr_02_0003_image1844744225011" src="en-us_image_0159365094.png"></span> in the upper left corner and select a region.</li><li id="cbr_03_0027__cbr_02_0003_li4225424523410">Click <span><img id="cbr_03_0027__cbr_02_0003_image8512125016910" src="en-us_image_0000001599534545.jpg"></span> and choose <strong id="cbr_03_0027__cbr_02_0003_b124374110337">Storage</strong> &gt; <strong id="cbr_03_0027__cbr_02_0003_b164372112331">Cloud Backup and Recovery</strong>. Select a backup type from the left navigation pane.</li></ol>
 </p></li><li id="cbr_03_0027__li15537401711"><span>Find the target vault and click the vault name to view its details.</span></li><li id="cbr_03_0027__li4469132018424"><span>In the <strong id="cbr_03_0027__b4761048162711">Policies</strong> area, click <strong id="cbr_03_0027__b398615392713">Edit</strong> in the row of the policy to be edited. See <a href="#cbr_03_0027__fig12897922174518">Figure 1</a>.</span><p><div class="fignone" id="cbr_03_0027__fig12897922174518"><a name="cbr_03_0027__fig12897922174518"></a><a name="fig12897922174518"></a><span class="figcap"><b>Figure 1 </b>Editing a backup policy</span></div>
+<p id="cbr_03_0027__p94441842918"></p>
 <p id="cbr_03_0027__p8297124113512"></p>
 <p id="cbr_03_0027__p199308214289"><span><img id="cbr_03_0027__image1277715228284" src="en-us_image_0184118425.png" title="Click to enlarge" class="imgResize"></span></p>
 <p id="cbr_03_0027__p1035318126316"></p>

docs/cbr/umn/cbr_03_0116.html

@@ -9,7 +9,7 @@
 <p id="cbr_03_0116__p0546145551413"></p>
 <div class="fignone" id="cbr_03_0116__fig9553250141118"><span class="figcap"><b>Figure 1 </b>Migrating a resource</span><br><span><img id="cbr_03_0116__image2055385061113" src="en-us_image_0000001628917242.png" title="Click to enlarge" class="imgResize"></span></div>
 <p id="cbr_03_0116__p6786921161310"></p>
-</p></li><li id="cbr_03_0116__li862213546128"><span>Select the destination vault and click <strong id="cbr_03_0116__b145973227104">Yes</strong>.</span></li><li id="cbr_03_0116__li1846165112510"><span>View the migration progress on the <strong id="cbr_03_0116__b169151112162111">Tasks</strong> page. If <strong id="cbr_03_0116__b446113111217">Status</strong> changes to <strong id="cbr_03_0116__b5315251046">Successful</strong>, the resource has been migrated.</span></li><li id="cbr_03_0116__li47441522417"><span>Go to the destination vault to confirm that the resource has been associated and all its backups have been migrated.</span></li></ol>
+</p></li><li id="cbr_03_0116__li862213546128"><span>Select the destination vault and click <strong id="cbr_03_0116__b125711723313">OK</strong>.</span></li><li id="cbr_03_0116__li1846165112510"><span>View the migration progress on the <strong id="cbr_03_0116__b169151112162111">Tasks</strong> page. If <strong id="cbr_03_0116__b446113111217">Status</strong> changes to <strong id="cbr_03_0116__b5315251046">Successful</strong>, the resource has been migrated.</span></li><li id="cbr_03_0116__li47441522417"><span>Go to the destination vault to confirm that the resource has been associated and all its backups have been migrated.</span></li></ol>
 </div>
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docs/cbr/umn/cbr_06_0026.html

@@ -4,7 +4,7 @@
 <div id="body1562743898532"><div class="section" id="cbr_06_0026__section1346415138229"><h4 class="sectiontitle">Symptoms</h4><ul id="cbr_06_0026__ul18786203113306"><li id="cbr_06_0026__li5787163193013">There is no difference or an increase in size between the original backup and a backup generated after a file is deleted.</li><li id="cbr_06_0026__li27870317308">The ECS backup size is larger than the used disk space obtained from the file system.</li></ul>
 </div>
 <div class="section" id="cbr_06_0026__section557334373015"><h4 class="sectiontitle">Possible Causes</h4><p id="cbr_06_0026__p46077404118">Possible causes are as follows:</p>
-<ul id="cbr_06_0026__ul1799673210417"><li id="cbr_06_0026__li156916351510">The backup mechanism itself causes this problem. The cloud server backups, cloud disk backups, and SFS Turbo backups created using CBR are all block-level backups. Different from file-level backups, block-level backups are performed by sector (512 bytes) each time.</li><li id="cbr_06_0026__li149961032154110">The metadata of the file systems on the disk occupies disk space.</li><li id="cbr_06_0026__li1597711341628">To reduce performance overhead, the file system adds a delete marker for the deleted file, but does not erase the data that has been written to the sector, and the metadata on the sector still exists. Block-level backups cannot detect whether data on a sector is deleted or not, but only determine whether a backup needs to be performed by checking whether all data blocks are zero blocks.</li><li id="cbr_06_0026__li1117971782619">CBR determines whether data in each sector changes by comparing two snapshots. Data changes include data addition, modification, and deletion. Backup is not performed if there are no data changes. If there are data changes, CBR further checks whether data blocks in the sector are all zero blocks. If so, backup is also not performed. Backups are performed only when there are non-zero blocks. If the data is deleted but metadata in the sector is not, the data block is also recognized as a non-zero block, and backups will be performed.</li></ul>
+<ul id="cbr_06_0026__ul1799673210417"><li id="cbr_06_0026__li156916351510">The backup mechanism itself causes this problem. The cloud server backups, SFS Turbo backups, and cloud disk backups created using CBR are all block-level backups. Different from file-level backups, block-level backups are performed by sector (512 bytes) each time.</li><li id="cbr_06_0026__li149961032154110">The metadata of the file systems on the disk occupies disk space.</li><li id="cbr_06_0026__li1597711341628">To reduce performance overhead, the file system adds a delete marker for the deleted file, but does not erase the data that has been written to the sector, and the metadata on the sector still exists. Block-level backups cannot detect whether data on a sector is deleted or not, but only determine whether a backup needs to be performed by checking whether all data blocks are zero blocks.</li><li id="cbr_06_0026__li1117971782619">CBR determines whether data in each sector changes by comparing two snapshots. Data changes include data addition, modification, and deletion. Backup is not performed if there are no data changes. If there are data changes, CBR further checks whether data blocks in the sector are all zero blocks. If so, backup is also not performed. Backups are performed only when there are non-zero blocks. If the data is deleted but metadata in the sector is not, the data block is also recognized as a non-zero block, and backups will be performed.</li></ul>
 </div>
 </div>
 <div>