<p><strong>EBS Overview</strong></p> <p>Elastic Block Storage (EBS) provides elastic block-level storage for usage with ECS instances. After successfully applying for an ECS instance, you can expand the quantity and capacity of the disks attached to the instance on demand. You can also generate snapshots for data recovery at any time.</p> <p><strong>EBS Disk Types and Specifications</strong></p> <table border="1" cellpadding="0" cellspacing="0" style="width:100%"> <tbody> <tr> <td style="vertical-align:top"> <p><strong>Disk type</strong></p> </td> <td style="vertical-align:top"> <p><strong>Maximum IOPS</strong></p> </td> <td style="vertical-align:top"> <p><strong>Capacity range</strong></p> </td> <td style="vertical-align:top"> <p><strong>Data durability</strong></p> </td> <td style="vertical-align:top"> <p><strong>IOPS computing</strong></p> </td> <td style="vertical-align:top"> <p><strong>Throughput computing</strong></p> </td> </tr> <tr> <td style="vertical-align:top"> <p><strong>Storage </strong></p> </td> <td style="vertical-align:top"> <p>200</p> </td> <td style="vertical-align:top"> <p>20 GB-2000 GB</p> </td> <td style="vertical-align:top"> <p>99.999999%</p> </td> <td style="vertical-align:top"> <p>200 iops</p> </td> <td style="vertical-align:top"> <p>20MB/s</p> </td> </tr> <tr> <td style="vertical-align:top"> <p><strong>General </strong></p> </td> <td style="vertical-align:top"> <p>1000</p> </td> <td style="vertical-align:top"> <p>20 GB-2000 GB</p> </td> <td style="vertical-align:top"> <p>99.999999%</p> </td> <td style="vertical-align:top"> <p>IOPS=min{200+1*capacity (GB), 1000)</p> </td> <td style="vertical-align:top"> <p>min{20+0.02*capacity (GB), 36MB/s}</p> </td> </tr> <tr> <td style="vertical-align:top"> <p><strong>Efficient </strong></p> </td> <td style="vertical-align:top"> <p>3000</p> </td> <td style="vertical-align:top"> <p>20 GB-2000 GB</p> </td> <td style="vertical-align:top"> <p>99.999999%</p> </td> <td style="vertical-align:top"> <p>IOPS=min{1000+2*capacity (GB), 3000}</p> </td> <td style="vertical-align:top"> <p>Min{40+0.04*capacity (GB), 80MB/s}</p> </td> </tr> <tr> <td style="vertical-align:top"> <p><strong>Ultra-efficient </strong></p> </td> <td style="vertical-align:top"> <p>10000</p> </td> <td style="vertical-align:top"> <p>20 GB-2000 GB</p> </td> <td style="vertical-align:top"> <p>99.999999%</p> </td> <td style="vertical-align:top"> <p>IOPS=min {3000+7*capacity (GB), 10000}</p> </td> <td style="vertical-align:top"> <p>Min{80+0.08*capacity (GB), 160MB/s}</p> </td> </tr> <tr> <td style="vertical-align:top"> <p><strong>Storage </strong></p> </td> <td style="vertical-align:top"> <p>20000</p> </td> <td style="vertical-align:top"> <p>20 GB-2000 GB</p> </td> <td style="vertical-align:top"> <p>99.999999%</p> </td> <td style="vertical-align:top"> <p>IOPS=min{2000+30*capacity (GB), 20000}</p> </td> <td style="vertical-align:top"> <p>Max=300MB/s</p> </td> </tr> </tbody> </table> <p>&nbsp;</p>