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如何使用USB大容量存储设备进行“CD-ROM”模拟？

tag-icon • tag-icon usb-drive data-cd
如何使用USB大容量存储设备进行“CD-ROM”模拟？

我有一个 USB 磁盘，连接后会显示以下内容：

[262821.796343] scsi 6:0:0:0: CD-ROM            General  USB Flash Disk   1100 PQ: 0 ANSI: 2
[262821.796697] scsi 6:0:0:1: Direct-Access     General  USB Flash Disk   1100 PQ: 0 ANSI: 4
[262821.797535] sr 6:0:0:0: [sr0] scsi3-mmc drive: 0x/0x caddy
[262821.797795] sr 6:0:0:0: Attached scsi CD-ROM sr0
[262821.797961] sr 6:0:0:0: Attached scsi generic sg2 type 5
[262821.798272] sd 6:0:0:1: Attached scsi generic sg3 type 0
[262821.798656] sd 6:0:0:1: [sdc] 13563904 512-byte logical blocks: (6.94 GB/6.47 GiB)
[262821.799182] sd 6:0:0:1: [sdc] Write Protect is off
[262821.799184] sd 6:0:0:1: [sdc] Mode Sense: 43 00 00 00
[262821.800098] sd 6:0:0:1: [sdc] No Caching mode page found
[262821.800106] sd 6:0:0:1: [sdc] Assuming drive cache: write through
[262821.803643]  sdc: sdc1
[262821.808634] sd 6:0:0:1: [sdc] Attached SCSI removable disk

因此，前 1.1 GB 被视为 CD-ROM，其余的则被视为普通的大容量存储设备。

那是怎么做出来的呢？如何将设备转换为没有“CD-ROM”部分的普通大容量存储设备？

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