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zhangyue 27de85471d SFS 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>
2024-11-12 10:42:24 +00:00

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<a name="sfs_01_0005"></a><a name="sfs_01_0005"></a>
<h1 class="topictitle1">File System Types</h1>
<div id="body1540610088490"><p id="sfs_01_0005__p160119315426">SFS provides three types of file systems: SFS Capacity-Oriented, SFS Turbo, and General Purpose File System.</p>
<p id="sfs_01_0005__p15471027135611">The following table describes the features, advantages, and application scenarios of these file system types.</p>
<div class="section" id="sfs_01_0005__section631217256159"><h4 class="sectiontitle">SFS Capacity-Oriented</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="sfs_01_0005__table8683193218154" frame="border" border="1" rules="all"><caption><b>Table 1 </b>SFS Capacity-Oriented file systems</caption><thead align="left"><tr id="sfs_01_0005__row76831332141516"><th align="left" class="cellrowborder" valign="top" width="34.46%" id="mcps1.3.3.2.2.3.1.1"><p id="sfs_01_0005__p186830323154">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="65.53999999999999%" id="mcps1.3.3.2.2.3.1.2"><p id="sfs_01_0005__p56837324153">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="sfs_01_0005__row13683632111512"><td class="cellrowborder" valign="top" width="34.46%" headers="mcps1.3.3.2.2.3.1.1 "><p id="sfs_01_0005__p26831932131513">Max. bandwidth</p>
</td>
<td class="cellrowborder" valign="top" width="65.53999999999999%" headers="mcps1.3.3.2.2.3.1.2 "><p id="sfs_01_0005__p877917234225">10 GB/s</p>
</td>
</tr>
<tr id="sfs_01_0005__row1468313215152"><td class="cellrowborder" valign="top" width="34.46%" headers="mcps1.3.3.2.2.3.1.1 "><p id="sfs_01_0005__p968303214157">Max. IOPS</p>
</td>
<td class="cellrowborder" valign="top" width="65.53999999999999%" headers="mcps1.3.3.2.2.3.1.2 "><p id="sfs_01_0005__p1568312328159">10,000</p>
</td>
</tr>
<tr id="sfs_01_0005__row1968320329155"><td class="cellrowborder" valign="top" width="34.46%" headers="mcps1.3.3.2.2.3.1.1 "><p id="sfs_01_0005__p18683143214156">Latency</p>
</td>
<td class="cellrowborder" valign="top" width="65.53999999999999%" headers="mcps1.3.3.2.2.3.1.2 "><div class="p" id="sfs_01_0005__p814557131812">Latency ranges:<ul id="sfs_01_0005__ul51457701816"><li id="sfs_01_0005__li1977912332215">For sequential large I/Os of large files, the latency ranges from 20 ms to 50 ms.</li><li id="sfs_01_0005__li13779523162212">For sequential small I/Os of large files, the latency ranges from 10 ms to 20 ms.</li><li id="sfs_01_0005__li914577131817">For random small I/Os of large files, the latency ranges from 200 ms to 500 ms.</li></ul>
</div>
</td>
</tr>
<tr id="sfs_01_0005__row14683732161514"><td class="cellrowborder" valign="top" width="34.46%" headers="mcps1.3.3.2.2.3.1.1 "><p id="sfs_01_0005__p968383231512">Max. capacity</p>
</td>
<td class="cellrowborder" valign="top" width="65.53999999999999%" headers="mcps1.3.3.2.2.3.1.2 "><p id="sfs_01_0005__p156741353201716">2 PB</p>
</td>
</tr>
<tr id="sfs_01_0005__row1668443219154"><td class="cellrowborder" valign="top" width="34.46%" headers="mcps1.3.3.2.2.3.1.1 "><p id="sfs_01_0005__p166848329155">Highlights</p>
</td>
<td class="cellrowborder" valign="top" width="65.53999999999999%" headers="mcps1.3.3.2.2.3.1.2 "><p id="sfs_01_0005__p87792023162215">Large capacity, high bandwidth, and low cost</p>
</td>
</tr>
<tr id="sfs_01_0005__row1568483211153"><td class="cellrowborder" valign="top" width="34.46%" headers="mcps1.3.3.2.2.3.1.1 "><p id="sfs_01_0005__p146848329151">Application Scenarios</p>
</td>
<td class="cellrowborder" valign="top" width="65.53999999999999%" headers="mcps1.3.3.2.2.3.1.2 "><p id="sfs_01_0005__p577912322218">Cost-sensitive workloads which require large-capacity scalability, such as media processing, file sharing, HPC, and data backup. For workloads dealing with massive small files, SFS Turbo is recommended.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="sfs_01_0005__section1263961973411"><h4 class="sectiontitle">General Purpose File System (BETA)</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="sfs_01_0005__table1763981963410" frame="border" border="1" rules="all"><caption><b>Table 2 </b>General purpose file systems</caption><thead align="left"><tr id="sfs_01_0005__row36391019133415"><th align="left" class="cellrowborder" valign="top" width="32.64%" id="mcps1.3.4.2.2.3.1.1"><p id="sfs_01_0005__p116391019103410">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="67.36%" id="mcps1.3.4.2.2.3.1.2"><p id="sfs_01_0005__p1863971912348">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="sfs_01_0005__row9639919103418"><td class="cellrowborder" valign="top" width="32.64%" headers="mcps1.3.4.2.2.3.1.1 "><p id="sfs_01_0005__p1463911943417">Max. bandwidth</p>
</td>
<td class="cellrowborder" valign="top" width="67.36%" headers="mcps1.3.4.2.2.3.1.2 "><p id="sfs_01_0005__p176391119163411">5 GB/s</p>
</td>
</tr>
<tr id="sfs_01_0005__row263931983420"><td class="cellrowborder" valign="top" width="32.64%" headers="mcps1.3.4.2.2.3.1.1 "><p id="sfs_01_0005__p363921915347">Latency</p>
</td>
<td class="cellrowborder" valign="top" width="67.36%" headers="mcps1.3.4.2.2.3.1.2 "><p id="sfs_01_0005__p66391719143419">10 ms</p>
</td>
</tr>
<tr id="sfs_01_0005__row16639111912348"><td class="cellrowborder" valign="top" width="32.64%" headers="mcps1.3.4.2.2.3.1.1 "><p id="sfs_01_0005__p8639819113416">Max. capacity</p>
</td>
<td class="cellrowborder" valign="top" width="67.36%" headers="mcps1.3.4.2.2.3.1.2 "><p id="sfs_01_0005__p106392199344">EB</p>
</td>
</tr>
<tr id="sfs_01_0005__row96392198348"><td class="cellrowborder" valign="top" width="32.64%" headers="mcps1.3.4.2.2.3.1.1 "><p id="sfs_01_0005__p15639419113412">Highlights</p>
</td>
<td class="cellrowborder" valign="top" width="67.36%" headers="mcps1.3.4.2.2.3.1.2 "><p id="sfs_01_0005__p8639141923413">Large capacity, high bandwidth, and low cost</p>
</td>
</tr>
<tr id="sfs_01_0005__row1563971910343"><td class="cellrowborder" valign="top" width="32.64%" headers="mcps1.3.4.2.2.3.1.1 "><p id="sfs_01_0005__p196392192349">Application Scenarios</p>
</td>
<td class="cellrowborder" valign="top" width="67.36%" headers="mcps1.3.4.2.2.3.1.2 "><p id="sfs_01_0005__p3640141923417">Cost-sensitive workloads which require large-capacity scalability, such as media processing, file sharing, high-performance computing, and data backup. For workloads dealing with massive small files, SFS Turbo is recommended.</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="note" id="sfs_01_0005__note18779823112211"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="sfs_01_0005__ul12779142322217"><li id="sfs_01_0005__li5779182372219">Latency refers to the minimum latency under low workload conditions. It is unstable.</li><li id="sfs_01_0005__li377932316225">Large files refer to files larger than 10 MB, and large I/Os refer to I/Os larger than 1 MB.</li></ul>
</div></div>
</div>
<div class="section" id="sfs_01_0005__section159614873412"><h4 class="sectiontitle">SFS Turbo</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="sfs_01_0005__table18896921124011" frame="border" border="1" rules="all"><caption><b>Table 3 </b>SFS Turbo file systems</caption><tbody><tr id="sfs_01_0005__row15896202118403"><td class="cellrowborder" valign="top" width="14.2985701429857%"><p id="sfs_01_0005__p389732120408"><strong id="sfs_01_0005__b98110524180">Parameter</strong></p>
</td>
<td class="cellrowborder" valign="top" width="17.078292170782923%"><p id="sfs_01_0005__p10897142110409"><strong id="sfs_01_0005__b18848191922711">20 MB/s/TiB</strong></p>
</td>
<td class="cellrowborder" valign="top" width="21.047895210478952%"><p id="sfs_01_0005__p138971721204014"><strong id="sfs_01_0005__b87710328489">40 MB/s/TiB</strong></p>
</td>
<td class="cellrowborder" valign="top" width="25.11748825117488%"><p id="sfs_01_0005__p7897132117405"><strong id="sfs_01_0005__b113461256193410">125 MB/s/TiB</strong></p>
</td>
<td class="cellrowborder" valign="top" width="22.457754224577542%"><p id="sfs_01_0005__p108971621154020"><strong id="sfs_01_0005__b15822102322716">250 MB/s/TiB</strong></p>
</td>
</tr>
<tr id="sfs_01_0005__row168981421104016"><td class="cellrowborder" valign="top" width="14.2985701429857%"><p id="sfs_01_0005__p12898221144016">Max. bandwidth</p>
</td>
<td class="cellrowborder" valign="top" width="17.078292170782923%"><p id="sfs_01_0005__p28063154120">8 GB/s</p>
</td>
<td class="cellrowborder" valign="top" width="21.047895210478952%"><p id="sfs_01_0005__p3940338113517">8 GB/s</p>
</td>
<td class="cellrowborder" valign="top" width="25.11748825117488%"><p id="sfs_01_0005__p220154117351">20 GB/s</p>
</td>
<td class="cellrowborder" valign="top" width="22.457754224577542%"><p id="sfs_01_0005__p43480437357">20 GB/s</p>
</td>
</tr>
<tr id="sfs_01_0005__row8899162154011"><td class="cellrowborder" valign="top" width="14.2985701429857%"><p id="sfs_01_0005__p589912218402">Max. IOPS</p>
</td>
<td class="cellrowborder" valign="top" width="17.078292170782923%"><p id="sfs_01_0005__p95113483355">250,000</p>
</td>
<td class="cellrowborder" valign="top" width="21.047895210478952%"><p id="sfs_01_0005__p151348113510">250,000</p>
</td>
<td class="cellrowborder" valign="top" width="25.11748825117488%"><p id="sfs_01_0005__p1951114833514">1 million</p>
</td>
<td class="cellrowborder" valign="top" width="22.457754224577542%"><p id="sfs_01_0005__p85154816357">1 million</p>
</td>
</tr>
<tr id="sfs_01_0005__row1689913212408"><td class="cellrowborder" valign="top" width="14.2985701429857%"><p id="sfs_01_0005__p1989962119405">Single-queue, 4 KB latency</p>
</td>
<td class="cellrowborder" valign="top" width="17.078292170782923%"><p id="sfs_01_0005__p1526817578351">2–5 ms</p>
</td>
<td class="cellrowborder" valign="top" width="21.047895210478952%"><p id="sfs_01_0005__p1236914916352">2–5 ms</p>
</td>
<td class="cellrowborder" valign="top" width="25.11748825117488%"><p id="sfs_01_0005__p10369144983510">1–3 ms</p>
</td>
<td class="cellrowborder" valign="top" width="22.457754224577542%"><p id="sfs_01_0005__p153691849113515">1–3 ms</p>
</td>
</tr>
<tr id="sfs_01_0005__row18899122118403"><td class="cellrowborder" valign="top" width="14.2985701429857%"><p id="sfs_01_0005__p68991221184012">Capacity</p>
</td>
<td class="cellrowborder" valign="top" width="17.078292170782923%"><p id="sfs_01_0005__p3604125815352">3.6 TB to 1 PB</p>
</td>
<td class="cellrowborder" valign="top" width="21.047895210478952%"><p id="sfs_01_0005__p171071765489">1.2 TB to 1 PB</p>
</td>
<td class="cellrowborder" valign="top" width="25.11748825117488%"><p id="sfs_01_0005__p161170618484">1.2 TB to 1 PB</p>
</td>
<td class="cellrowborder" valign="top" width="22.457754224577542%"><p id="sfs_01_0005__p2910649163516">1.2 TB to 1 PB</p>
</td>
</tr>
<tr id="sfs_01_0005__row133478294619"><td class="cellrowborder" valign="top" width="14.2985701429857%"><p id="sfs_01_0005__p4909184112310">IOPS calculation formula</p>
</td>
<td class="cellrowborder" valign="top" width="17.078292170782923%"><p id="sfs_01_0005__p92085101416">IOPS = Min. (250,000, 600 x Capacity)</p>
<p id="sfs_01_0005__p132081610343">Capacity unit: TB</p>
</td>
<td class="cellrowborder" valign="top" width="21.047895210478952%"><p id="sfs_01_0005__p818411431159">IOPS = Min. (250,000, 1,200 x Capacity)</p>
<p id="sfs_01_0005__p16184174320519">Capacity unit: TB</p>
</td>
<td class="cellrowborder" valign="top" width="25.11748825117488%"><p id="sfs_01_0005__p14672125514517">IOPS = Min. (1,000,000, 6,000 x Capacity)</p>
<p id="sfs_01_0005__p1967245520513">Capacity unit: TB</p>
</td>
<td class="cellrowborder" valign="top" width="22.457754224577542%"><p id="sfs_01_0005__p0254169563">IOPS = Min. (1,000,000, 12,500 x Capacity)</p>
<p id="sfs_01_0005__p1525416917617">Capacity unit: TB</p>
</td>
</tr>
<tr id="sfs_01_0005__row2900172116405"><td class="cellrowborder" valign="top" width="14.2985701429857%"><p id="sfs_01_0005__p9900172134013">Highlights</p>
</td>
<td class="cellrowborder" valign="top" width="17.078292170782923%"><p id="sfs_01_0005__p24791850153518">Large capacity and low cost</p>
</td>
<td class="cellrowborder" valign="top" width="21.047895210478952%"><p id="sfs_01_0005__p5479135019354">Large capacity and low cost</p>
</td>
<td class="cellrowborder" valign="top" width="25.11748825117488%"><p id="sfs_01_0005__p3479125019353">Low latency and cost effectiveness</p>
</td>
<td class="cellrowborder" valign="top" width="22.457754224577542%"><p id="sfs_01_0005__p14479135063515">Low latency and cost effectiveness</p>
</td>
</tr>
<tr id="sfs_01_0005__row13900132117400"><td class="cellrowborder" valign="top" width="14.2985701429857%"><p id="sfs_01_0005__p1390072174011">Typical scenarios</p>
</td>
<td class="cellrowborder" valign="top" width="17.078292170782923%"><p id="sfs_01_0005__p11611551183518">Log storage, file sharing, content management, and websites.</p>
</td>
<td class="cellrowborder" valign="top" width="21.047895210478952%"><p id="sfs_01_0005__p12611851123516">Log storage, file sharing, content management, and websites.</p>
</td>
<td class="cellrowborder" valign="top" width="25.11748825117488%"><p id="sfs_01_0005__p136105133518">AI training, autonomous driving, EDA simulation, rendering, enterprise NAS, and HPC web applications.</p>
</td>
<td class="cellrowborder" valign="top" width="22.457754224577542%"><p id="sfs_01_0005__p66155119356">AI training, autonomous driving, EDA simulation, rendering, enterprise NAS, and HPC web applications.</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="sfs_01_0005__table1097186343" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Previous-generation SFS Turbo file systems</caption><tbody><tr id="sfs_01_0005__row139813813345"><td class="cellrowborder" valign="top" width="14.469999999999999%"><p id="sfs_01_0005__p79815815349"><strong id="sfs_01_0005__b1812667571">Parameter</strong></p>
</td>
<td class="cellrowborder" valign="top" width="17.32%"><p id="sfs_01_0005__p1468353311201"><strong id="sfs_01_0005__b1311369539">Standard</strong></p>
</td>
<td class="cellrowborder" valign="top" width="20.830000000000002%"><p id="sfs_01_0005__p568383319207"><strong id="sfs_01_0005__b694614219">Standard-Enhanced</strong></p>
</td>
<td class="cellrowborder" valign="top" width="25.06%"><p id="sfs_01_0005__p1368373302017"><strong id="sfs_01_0005__b1911714151">Performance</strong></p>
</td>
<td class="cellrowborder" valign="top" width="22.32%"><p id="sfs_01_0005__p106831333172014"><strong id="sfs_01_0005__b480777721">Performance-Enhanced</strong></p>
</td>
</tr>
<tr id="sfs_01_0005__row9981880344"><td class="cellrowborder" valign="top" width="14.469999999999999%"><p id="sfs_01_0005__p159819810344">Max. bandwidth</p>
</td>
<td class="cellrowborder" valign="top" width="17.32%"><p id="sfs_01_0005__p4782112322213">120 MB/s</p>
</td>
<td class="cellrowborder" valign="top" width="20.830000000000002%"><p id="sfs_01_0005__p1511610556351">1 GB/s</p>
</td>
<td class="cellrowborder" valign="top" width="25.06%"><p id="sfs_01_0005__p21161555153512">320 MB/s</p>
</td>
<td class="cellrowborder" valign="top" width="22.32%"><p id="sfs_01_0005__p1611635512356">2 GB/s</p>
</td>
</tr>
<tr id="sfs_01_0005__row89898133414"><td class="cellrowborder" valign="top" width="14.469999999999999%"><p id="sfs_01_0005__p99811820341">Max. IOPS</p>
</td>
<td class="cellrowborder" valign="top" width="17.32%"><p id="sfs_01_0005__p2741195603519">3,000</p>
</td>
<td class="cellrowborder" valign="top" width="20.830000000000002%"><p id="sfs_01_0005__p147419563359">15,000</p>
</td>
<td class="cellrowborder" valign="top" width="25.06%"><p id="sfs_01_0005__p774195618354">20,000</p>
</td>
<td class="cellrowborder" valign="top" width="22.32%"><p id="sfs_01_0005__p11741135623514">100,000</p>
</td>
</tr>
<tr id="sfs_01_0005__row29814843410"><td class="cellrowborder" valign="top" width="14.469999999999999%"><p id="sfs_01_0005__p18981813346">Single-queue, 4 KB latency</p>
</td>
<td class="cellrowborder" valign="top" width="17.32%"><p id="sfs_01_0005__p20573145365116">2–5 ms</p>
</td>
<td class="cellrowborder" valign="top" width="20.830000000000002%"><p id="sfs_01_0005__p2573145305113">2–5 ms</p>
</td>
<td class="cellrowborder" valign="top" width="25.06%"><p id="sfs_01_0005__p257375312515">1–3 ms</p>
</td>
<td class="cellrowborder" valign="top" width="22.32%"><p id="sfs_01_0005__p957315315120">1–3 ms</p>
</td>
</tr>
<tr id="sfs_01_0005__row19810883418"><td class="cellrowborder" valign="top" width="14.469999999999999%"><p id="sfs_01_0005__p798138113417">Capacity</p>
</td>
<td class="cellrowborder" valign="top" width="17.32%"><p id="sfs_01_0005__p1478395324516">500 GB to 32 TB</p>
</td>
<td class="cellrowborder" valign="top" width="20.830000000000002%"><p id="sfs_01_0005__p136041158153519">10 TB to 320 TB</p>
</td>
<td class="cellrowborder" valign="top" width="25.06%"><p id="sfs_01_0005__p1660415843512">500 GB to 32 TB</p>
</td>
<td class="cellrowborder" valign="top" width="22.32%"><p id="sfs_01_0005__p560417581358">10 TB to 320 TB</p>
</td>
</tr>
<tr id="sfs_01_0005__row1698188143410"><td class="cellrowborder" valign="top" width="14.469999999999999%"><p id="sfs_01_0005__p169817815346">Highlights</p>
</td>
<td class="cellrowborder" valign="top" width="17.32%"><p id="sfs_01_0005__p1910213383610">Low latency and tenant exclusive</p>
</td>
<td class="cellrowborder" valign="top" width="20.830000000000002%"><p id="sfs_01_0005__p47291959133819">Low latency, high bandwidth, and tenant exclusive</p>
</td>
<td class="cellrowborder" valign="top" width="25.06%"><p id="sfs_01_0005__p1110219323611">Low latency, high IOPS, and tenant exclusive</p>
</td>
<td class="cellrowborder" valign="top" width="22.32%"><p id="sfs_01_0005__p1778316239229">Low latency, high IOPS, high bandwidth, and tenant exclusive</p>
</td>
</tr>
<tr id="sfs_01_0005__row1399128153420"><td class="cellrowborder" valign="top" width="14.469999999999999%"><p id="sfs_01_0005__p69913823412">Typical scenarios</p>
</td>
<td class="cellrowborder" valign="top" width="17.32%"><p id="sfs_01_0005__p174327211531">Code storage, file sharing, enterprise OA, and log storage.</p>
</td>
<td class="cellrowborder" valign="top" width="20.830000000000002%"><p id="sfs_01_0005__p679014122395">Code storage, file sharing, enterprise OA, and log storage.</p>
</td>
<td class="cellrowborder" valign="top" width="25.06%"><p id="sfs_01_0005__p1527011419365">HPC websites, file sharing, content management, image rendering, AI training, and enterprise OA.</p>
</td>
<td class="cellrowborder" valign="top" width="22.32%"><p id="sfs_01_0005__p67588147393">HPC websites, file sharing, content management, image rendering, AI training, and enterprise OA.</p>
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<div class="note" id="sfs_01_0005__note175496573249"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="sfs_01_0005__ul16230103915393"><li id="sfs_01_0005__li22301939193911">In the table, the maximum IOPS and maximum bandwidth all include both the read and write operations. So, maximum IOPS = read IOPS + write IOPS.</li><li id="sfs_01_0005__li13231203963914">The expansion increment of SFS Turbo Standard, Standard - Enhanced, Performance, or Performance - Enhanced file systems is 100 GB. The expansion increment of 20 MB/s/TiB, 40 MB/s/TiB, 125 MB/s/TiB, or 250 MB/s/TiB file systems is 1.2 TB.</li><li id="sfs_01_0005__li1169162222520">Maximum performance can be reached with multiple ECSs in parallel which have recommended configuration c4.4xlarge.4.</li></ul>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0033386660.html">Introduction</a></div>
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