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zhangyue
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: zhangyue <zhangyue164@huawei.com> Co-committed-by: zhangyue <zhangyue164@huawei.com>
54 lines
4.6 KiB
HTML
54 lines
4.6 KiB
HTML
<a name="evs_faq_0092"></a><a name="evs_faq_0092"></a>
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<h1 class="topictitle1">What Are the Differences Between MBR and GPT Partition Styles?</h1>
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<div id="body0000001229286153"><p id="evs_faq_0092__p38372208144850"><a href="#evs_faq_0092__table2729705994129">Table 1</a> lists the common disk partition styles. In Linux, different partition styles require different partitioning tools.</p>
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<div class="tablenoborder"><a name="evs_faq_0092__table2729705994129"></a><a name="table2729705994129"></a><table cellpadding="4" cellspacing="0" summary="" id="evs_faq_0092__table2729705994129" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Disk partition styles</caption><thead align="left"><tr id="evs_faq_0092__row2194811894129"><th align="left" class="cellrowborder" valign="top" width="22.67%" id="mcps1.3.2.2.5.1.1"><p id="evs_faq_0092__p2826869894129">Disk Partition Style</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="14.04%" id="mcps1.3.2.2.5.1.2"><p id="evs_faq_0092__p806324094129">Maximum Disk Capacity Supported</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="42.99%" id="mcps1.3.2.2.5.1.3"><p id="evs_faq_0092__p4914271494129">Maximum Number of Partitions Supported</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="20.3%" id="mcps1.3.2.2.5.1.4"><p id="evs_faq_0092__p2113692194129">Linux Partitioning Tool</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="evs_faq_0092__row5601456494129"><td class="cellrowborder" valign="top" width="22.67%" headers="mcps1.3.2.2.5.1.1 "><p id="evs_faq_0092__p1205045294213">Master Boot Record (MBR)</p>
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</td>
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<td class="cellrowborder" valign="top" width="14.04%" headers="mcps1.3.2.2.5.1.2 "><p id="evs_faq_0092__p2342140694129">2 TiB</p>
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</td>
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<td class="cellrowborder" valign="top" width="42.99%" headers="mcps1.3.2.2.5.1.3 "><ul id="evs_faq_0092__ul21060408163037"><li id="evs_faq_0092__li45070926163039">4 primary partitions</li><li id="evs_faq_0092__li63482739163037">3 primary partitions and 1 extended partition</li></ul>
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<div class="p" id="evs_faq_0092__p723613328428">With MBR, you can create several primary partitions and one extended partition. The extended partition must be divided into logical partitions before use. For example, if 6 partitions need to be created, you can create them in the following two ways:<ul id="evs_faq_0092__ul6972172517474"><li id="evs_faq_0092__li49871396163255">3 primary partitions and 1 extended partition, with the extended partition divided into 3 logical partitions</li><li id="evs_faq_0092__li1797352519473">1 primary partition and 1 extended partition, with the extended partition divided into 5 logical partitions</li></ul>
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</div>
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</td>
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<td class="cellrowborder" valign="top" width="20.3%" headers="mcps1.3.2.2.5.1.4 "><p id="evs_faq_0092__p5105674095428">You can use either of the following tools:</p>
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<ul id="evs_faq_0092__ul1160282695454"><li id="evs_faq_0092__li4445353395454">fdisk</li><li id="evs_faq_0092__li6593898795457">parted</li></ul>
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</td>
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</tr>
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<tr id="evs_faq_0092__row3114938294129"><td class="cellrowborder" valign="top" width="22.67%" headers="mcps1.3.2.2.5.1.1 "><p id="evs_faq_0092__p1278766394216">Guid Partition Table (GPT)</p>
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<p id="evs_faq_0092__p1399996494813"> </p>
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<td class="cellrowborder" valign="top" width="14.04%" headers="mcps1.3.2.2.5.1.2 "><p id="evs_faq_0092__p2460587094129">18 EiB</p>
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<p id="evs_faq_0092__p1993019393474">1 EiB = 1048576 TiB</p>
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</td>
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<td class="cellrowborder" valign="top" width="42.99%" headers="mcps1.3.2.2.5.1.3 "><p id="evs_faq_0092__p4691841694129">Unlimited</p>
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<p id="evs_faq_0092__p12599114794712">Disk partitions created using GPT are not categorized.</p>
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</td>
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<td class="cellrowborder" valign="top" width="20.3%" headers="mcps1.3.2.2.5.1.4 "><p id="evs_faq_0092__p4229536794129">parted</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="notice" id="evs_faq_0092__note21633485151134"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="evs_faq_0092__p11834286151113">The maximum disk size supported by MBR is 2 TiB, and that supported by GPT is 18 EiB. Because an EVS data disk currently supports up to 32 TiB, use GPT if your disk size is larger than 2 TiB.</p>
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<p id="evs_faq_0092__p612681541585">If you change the partition style after the disk has been used, the data on the disk will be cleared. Therefore, select an appropriate partition style when initializing the disk.</p>
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</div></div>
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<p id="evs_faq_0092__p8060118"></p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="evs_01_0081.html">General</a></div>
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</div>
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</div>
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