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zhangyue 3eb84d1abc 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>
2023-08-30 08:42:18 +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__p0917540144213">SFS provides two types of file systems: SFS Capacity-Oriented and SFS Turbo. SFS Turbo is classified into SFS Turbo Standard, SFS Turbo Standard – Enhanced, SFS Turbo Performance, and SFS Turbo Performance – Enhanced.</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="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="sfs_01_0005__table72311617476" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Comparison of file system types</caption><thead align="left"><tr id="sfs_01_0005__row152320684712"><th align="left" class="cellrowborder" valign="top" width="15.151515151515152%" id="mcps1.3.3.2.6.1.1"><p id="sfs_01_0005__p52321612477">File System Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="11.111111111111112%" id="mcps1.3.3.2.6.1.2"><p id="sfs_01_0005__p1037462417478">Storage Class</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="35.35353535353536%" id="mcps1.3.3.2.6.1.3"><p id="sfs_01_0005__p14232869476">Feature</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="12.121212121212121%" id="mcps1.3.3.2.6.1.4"><p id="sfs_01_0005__p523212614712">Highlight</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="26.262626262626267%" id="mcps1.3.3.2.6.1.5"><p id="sfs_01_0005__p62321614476">Application Scenario</p>
</th>
</tr>
</thead>
<tbody><tr id="sfs_01_0005__row0232156204717"><td class="cellrowborder" valign="top" width="15.151515151515152%" headers="mcps1.3.3.2.6.1.1 "><p id="sfs_01_0005__p523215614470">SFS Capacity-Oriented</p>
</td>
<td class="cellrowborder" valign="top" width="11.111111111111112%" headers="mcps1.3.3.2.6.1.2 "><p id="sfs_01_0005__p5374924204718">-</p>
</td>
<td class="cellrowborder" valign="top" width="35.35353535353536%" headers="mcps1.3.3.2.6.1.3 "><ul id="sfs_01_0005__ul162331767474"><li id="sfs_01_0005__li8663134319220">Maximum bandwidth: 10 GB/s; maximum IOPS: 10,000</li><li id="sfs_01_0005__li1023326154713">With optimized features, it is suitable for services that require large capacity and high bandwidth.</li><li id="sfs_01_0005__li9482105312020">The maximum capacity can reach 2 PB, and the latency range is as follows:<ul id="sfs_01_0005__ul1348295320011"><li id="sfs_01_0005__li34821653609">For sequential large I/Os of large files, the latency ranges from 20 ms to 50 ms.</li><li id="sfs_01_0005__li1148210531401">For sequential small I/Os of large files, the latency ranges from 10 ms to 20 ms.</li><li id="sfs_01_0005__li1848215531905">For random small I/Os of large files, the latency ranges from 200 ms to 500 ms.</li></ul>
</li></ul>
<div class="note" id="sfs_01_0005__note49444140210"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="sfs_01_0005__ul46593155280"><li id="sfs_01_0005__li56591715132814">Latency refers to the minimum latency under low workload conditions. It is unstable.</li><li id="sfs_01_0005__li206591215142811">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>
</td>
<td class="cellrowborder" valign="top" width="12.121212121212121%" headers="mcps1.3.3.2.6.1.4 "><p id="sfs_01_0005__p1323376204710">Large capacity, high bandwidth, and low cost</p>
</td>
<td class="cellrowborder" valign="top" width="26.262626262626267%" headers="mcps1.3.3.2.6.1.5 "><p id="sfs_01_0005__p202335612475">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>
<tr id="sfs_01_0005__row18233126124715"><td class="cellrowborder" rowspan="4" valign="top" width="15.151515151515152%" headers="mcps1.3.3.2.6.1.1 "><p id="sfs_01_0005__p32337615476">SFS Turbo</p>
</td>
<td class="cellrowborder" valign="top" width="11.111111111111112%" headers="mcps1.3.3.2.6.1.2 "><p id="sfs_01_0005__p698015016488">SFS Turbo Standard</p>
</td>
<td class="cellrowborder" valign="top" width="35.35353535353536%" headers="mcps1.3.3.2.6.1.3 "><ul id="sfs_01_0005__ul112336614471"><li id="sfs_01_0005__li2028714134213">Maximum bandwidth: 120 MB/s; maximum IOPS: 3,000</li><li id="sfs_01_0005__li1964193385911">Latency: 10 to 20 ms; maximum capacity: 32 TB</li><li id="sfs_01_0005__li102338694717">It is suitable for services with massive small files and services that require low latency.</li></ul>
</td>
<td class="cellrowborder" valign="top" width="12.121212121212121%" headers="mcps1.3.3.2.6.1.4 "><p id="sfs_01_0005__p623336134720">Low latency and tenant exclusive</p>
</td>
<td class="cellrowborder" valign="top" width="26.262626262626267%" headers="mcps1.3.3.2.6.1.5 "><p id="sfs_01_0005__p172331611473">Workloads dealing with massive small files, such as code storage, log storage, web services, and virtual desktop</p>
</td>
</tr>
<tr id="sfs_01_0005__row206263204815"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.1 "><p id="sfs_01_0005__p15918331447">SFS Turbo Standard - Enhanced</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.2 "><ul id="sfs_01_0005__ul16817151819615"><li id="sfs_01_0005__li581711185620">Maximum bandwidth: 1 GB/s; maximum IOPS: 15,000</li><li id="sfs_01_0005__li1610973617016">Latency: 10 to 20 ms; maximum capacity: 320 TB</li><li id="sfs_01_0005__li1481781811615">Enhanced bandwidth, IOPS, and capacity</li></ul>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.3 "><p id="sfs_01_0005__p2047801741216">Low latency, high bandwidth, and tenant exclusive</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.4 "><p id="sfs_01_0005__p86323220489">Workloads dealing with massive small files and those requiring high bandwidth, such as code storage, file sharing, enterprise office automation (OA), and log storage.</p>
</td>
</tr>
<tr id="sfs_01_0005__row1923315644716"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.1 "><p id="sfs_01_0005__p162336616472">SFS Turbo Performance</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.2 "><ul id="sfs_01_0005__ul723312618476"><li id="sfs_01_0005__li53703483226">Maximum bandwidth: 320 MB/s; maximum IOPS: 20,000</li><li id="sfs_01_0005__li246073019">Latency: 6 to 10 ms; maximum capacity: 32 TB</li><li id="sfs_01_0005__li1923312616477">With optimized features, it is suitable for services with massive small files and services that require low latency and high IOPS.</li></ul>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.3 "><p id="sfs_01_0005__p20233146204713">Low latency, high IOPS, and tenant exclusive</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.4 "><p id="sfs_01_0005__p172343654711">Workloads dealing with massive small files, and random I/O-intensive and latency-sensitive services, such as high-performance websites, file sharing, and content management</p>
</td>
</tr>
<tr id="sfs_01_0005__row150219611514"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.1 "><p id="sfs_01_0005__p0502869511">SFS Turbo Performance - Enhanced</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.2 "><ul id="sfs_01_0005__ul9925148978"><li id="sfs_01_0005__li189251848272">Maximum bandwidth: 2 GB/s; maximum IOPS: 100,000<div class="note" id="sfs_01_0005__note735664410130"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="sfs_01_0005__p17356134411310">Maximum performance can be reached with 5 ECSs in parallel which have recommended configuration c4.4xlarge.4.</p>
</div></div>
</li><li id="sfs_01_0005__li8464671825">Latency: 6 to 10 ms; maximum capacity: 320 TB</li><li id="sfs_01_0005__li992612481170">Enhanced bandwidth, IOPS, and capacity</li></ul>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.3 "><p id="sfs_01_0005__p57764919910">Low latency, high IOPS, high bandwidth, and tenant exclusive</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.6.1.4 "><p id="sfs_01_0005__p2503461756">Workloads dealing with massive small files, and latency-sensitive and bandwidth-demanding workloads, such as image rendering, AI training, and enterprise OA.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000001567316265.html">Introduction</a></div>
</div>
</div>
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