<p class="shortdesc">By creating EBS disk snapshots, you can keep the data on the EBS disk of a specific time. </p> <section class="section prereq" id="createsnap__prereq_r3z_gtn_slb"><div class="tasklabel"><h2 class="doc-tairway">Before you begin</h2></div> <p class="p">You have created an EBS disk. For more information, see <a class="xref" href="https://pinganyun.com/ssr/help/storage/ebs/quickstart.createdrive.separately" target="_blank">Create an EBS Disk</a>. Besides, only when the EBS disk status is In-use or To Be Mounted can you create snapshots. </p> </section> <section class="section context"><div class="tasklabel"><h2 class="doc-tairway">About this task</h2></div> <p class="p">The targets of creating snapshots are system disks and data disks. As the operations may affect disk I/O performance, try to avoid peak business time. </p> <p class="p">The standard name of Ping An Cloud manual snapshots and automatic snapshots is: EBS Disk Name_Year/Month/Day/Hour/Minute/Second, such as</p> <p class="p">ROOT-9222_20180813145400. System disks start with ROOT and data disks start with other letters. </p> <p class="p">After a disk is released, manual snapshots will be kept and you can choose whether to delete the automatic snapshots according to the disk attribute. There is a limit on manual snapshots and automatic snapshots. We recommend that you delete the snapshots that are not needed any more. </p> </section> <section class="section attention" id="createsnap__uj4_2tn_slb"><div class="tasklabel"><h2 class="doc-tairway">Attention</h2></div> <p class="p">For multiple EBS disks mounted to a single instance, it is not recommended to create LVM. Snapshots can be created only for each independent EBS disk. Therefore, after using LVM, data differences will be caused when using snapshots to roll back the EBS disk. Avoid creating multiple snapshots and using different login methods. For example, a user has created four manual snapshots for a system disk, two of which are logged in with random passwords, one with a custom password, and one with a key pair. In this case, when the user rolls back a snapshot, there will be login problems due to inconsistent login methods. </p> </section> <section class="section limitation" id="createsnap__vj4_2tn_slb"><div class="tasklabel"><h2 class="doc-tairway">Limitation</h2></div> <ul class="ul" id="createsnap__ul_hgp_htn_slb"> <li class="li">Only when the EBS disk status is <strong class="ph b">In-use</strong> or <strong class="ph b">To Be Mounted</strong> can you create snapshots.</li> <li class="li">The maximum number of snapshots for a single disk is 20. </li> </ul> <div class="note important note_important"><span class="note__title">Important:</span> <p class="p">The time of creating snapshots increases based on the size of the EBS disk storage data. Wait patiently and do not repeat the operations during the process. </p> </div> </section> <section><div class="tasklabel"><h2 class="doc-tairway">Procedure</h2></div><ol class="ol steps"><li class="li step stepexpand"> <span class="ph cmd">Log in to the <a class="xref" href="/console/ecs/overview" target="_blank">ECS Console</a>.</span> </li><li class="li step stepexpand"> <span class="ph cmd">In the left navigation pane, click <span class="ph menucascade"><span class="ph uicontrol">Block Storage</span><abbr title="and then"> > </abbr><span class="ph uicontrol">Disk</span></span>. </span> </li><li class="li step stepexpand"> <span class="ph cmd">On the <span class="keyword wintitle">Disk Management</span> page, find the EBS disk for which you want to create snapshots, and then click <span class="ph uicontrol">Create Snapshot</span> in the operation column. </span> <div class="itemgroup info"> <img class="image" id="createsnap__image_fpp_xtn_slb" src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200707171849-1b6d5dac9a17.png" width="800"> <p class="p">You can also create snapshots by clicking the target EBS disk, and then on the <span class="keyword wintitle">Disk Management</span> page, click <span class="ph uicontrol">Create Snapshot</span> in the <span class="ph uicontrol">Snapshot</span> area. </p> <img class="image" id="createsnap__image_cqt_ztn_slb" src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200707171849-12e4f98c9ca5.png" width="800"> </div> </li><li class="li step stepexpand"> <span class="ph cmd">On the <span class="keyword wintitle">Create Snapshot</span> page, enter the descriptions, and then click <span class="ph uicontrol">Confirm</span>. </span> <div class="itemgroup info"> <img class="image" id="createsnap__image_e4d_b5n_slb" src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200707171849-1a9f25d098d8.png"> </div> </li></ol></section> <section class="section result" id="createsnap__result_nhv_mtn_slb"><div class="tasklabel"><h2 class="doc-tairway">Results</h2></div> <p class="p">You will see an <strong class="ph b">Operation succeeded</strong> message at the bottom of the page. On the ECS Console, click <span class="ph menucascade"><span class="ph uicontrol">Images and Snapshots </span><abbr title="and then"> > </abbr><span class="ph uicontrol">Snapshots</span></span>. On the <span class="keyword wintitle">Snapshot</span> page, you can see the snapshot just created in the list. At the time, snapshot status is <strong class="ph b">Creating</strong>. Wait for probably a few minutes (the waiting time may vary according to the size of the snapshots being created), you will find that the status becomes <strong class="ph b">Available</strong>. </p> <img class="image" id="createsnap__image_i3l_f5n_slb" src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200707171849-19820ef498ee.png"> </section>