此IOCTL命令没有参数。 SIOC_TEST_UNIT_READY命令的一个示例是 #include <sys/IBM_tape.h> if (!ioctl (fd, SIOC_TEST_UNIT_READY, NULL)) { printf ("The SIOC_TEST_UNIT_READY ioctl succeeded\n"); } else { perror ("The SIOC_TEST_UNIT_READY ioctl failed"); sioc_request_sense(); }...
The Test Unit Ready command returns a Good (00h) status if the library is ready to accept additional commands or returns a Check Condition (02h) if the library is not ready or if there are pending Unit Attentions. Description of the illustration slk_124.png ...
The SCSI Test Unit Ready command is used to determine if a device is ready to transfer data (read/write). The device will then return either good status or a check conditionSCSI communication takes place between an initiator and a target. The initiator sends a command to the target which ...
The SCSI Test Unit Ready command is used to determine if a device is ready to transfer data (read/write). The device will then return either good status or a check conditionSCSI communication takes place between an initiator and a target. The initiator sends a command to the target which ...
原则上，要按规范来，所有host class driver都需要发这个命令，但实际上发不发问题都不大，发送间隔也没有严格要求。它的作用是检查设备是否存在，比如像SD卡读卡器这种东西，有时候，用户拔掉卡了，但主机端得不到事件，必须用Test Unit Ready来获得Media Change消息。目前我所看到的，所有我见过的操作系统都发，...
14 第一次是不是要安装驱动所以慢。查看是TEST UNIT READY超时，每次都是9s
This bash shell script calls the sg_turs utility on each given DEVICE. This will send a SCSI TEST UNIT READY command to each DEVICE. Disks, tape drives and DVD/BD
The SCSI Test Unit Ready command is used to determine if a device is ready to transfer data (read/write), i.e. if a disk has spun up, if a tape is loaded and ready etc. The device does not perform a self-test operation. See the Send Diagnostic command. In SCSI computer storage,...
We discovered that, the price same time product is different.[translate] a我仅仅是希望去美国上大学 I am merely hoped US goes to college[translate] ayou aren't present 您不存在[translate] aStandard Test Unit 1 (24hr) - Ready for Operation 标准测试单位1 (24hr) -为操作准备[translate]...
Standard Test Unit 1 (24hr) - Ready for Operation问题补充:匿名 2013-05-23 12:21:38 标准测试单元1(24小时) - 运行准备就绪 匿名 2013-05-23 12:23:18 标准测试单元1(24小时)-运行准备就绪 匿名 2013-05-23 12:24:58 标准测试单位1 (24hr) -为操作准备 匿名 2013-05-23 12:26:...