查询词典 disk sharing

In this system, we introduces cluster architecture to provide global and scalable streaming caching proxy service mechanism; We implement streaming media transfer protocol on caching proxy end; We implement layered caching mechanism (global disk caching and memory caching) using dynamic sharing running memory buffer algorithm to support more stable and real-time parallel streams; We implement client request aggregation by means of streaming session sharing to reduce disk I/O and serve more user; We propose single streaming image to support the unify of pre-fetching streaming and caching streaming, which guarantees the proxy streaming of transparency for client; We design and implement streaming pre-fetching mechanism based on packet feedback information to reduce the number of "rebuffering" on client end; We bring forward streaming caching admission control policy fit for streaming caching proxy server to guarantee the QoS of streaming service.

该系统引入集群架构以提供全局的、可扩展的缓存代理服务机制；实现了缓存代理端的流媒体传输协议；采用动态共享运行缓冲区算法实现了分层缓存机制(全局磁盘缓存和内存缓存)以支持更多稳定、实时的并发流；利用流会话共享机制实现了客户请求聚集，从而减少磁盘I/O同时能服务更多的客户；提出了单一流映像，以支持预取流和缓存流的统一，从而保证代理端服务流对客户的完全透明；设计并实现了基于包反馈信息的流数据预取机制，从而减少了客户端的"rebuffering"次数；提出了适合于缓存代理服务器的流缓存准入控制策略，保证了流服务的QoS。

One magnetic suction cup, is the production of ordinary electromagnetic sucker, permanent magnet disk, circular disk, the disk and professional powerful multifunction disk a total of five series of more than 150 varieties of specifications, in addition to permanent magnet lifting device, frame-type high-performance back demagnetizer , rectifier controllers and other products.

其一磁力吸盘，现生产普通电磁吸盘、永磁磁盘、圆形磁盘、多功能强力磁盘和专业用磁盘共五大系列150多个规格品种，此外还有永磁起重器、框式高效退磁器、硅整流控制器等产品。

Since the motherboard with the soft, hard disk, such as the use of DMA operations between the peripheral, DMA operation of the response process is as follows (AST386 in the floppy disk to DMA as an example): floppy disk drive made by DREQ2 signal to the DMA controller (82C206), and DMA controller to the CPU (80386) issued HRQ signal, CPU end the current bus cycle after HLDA response signal to the DMA controller, DMA controller issued a final response signal DMA to the floppy disk drive DACK2 allow its data into the system bus.

由于主板与软、硬盘等外设之间采用DMA操作，DMA操作的应答过程如下(以AST386中软盘DMA为例)：先由软盘驱动器发DREQ2信号给DMA控制器(82C206)，然后DMA控制器向CPU(80386)发HRQ信号，CPU结束当前总线周期后发响应信号HLDA给DMA控制器，最后DMA控制器发DMA响应信号DACK2给软盘驱动器允许其数据进入系统总线。

Cluster of disk space is allocated for the unit, as the disk is a disk cluster distribution, release, read out the smallest spatial unit, even if only one byte of the documents have to occupy a whole cluster of disk storage space.

磁盘空间是以簇为单位进行分配的，由于磁盘簇是磁盘进行分配、释放、读出的最小空间单位，即使只有一个字节的文件也要占用整整一个簇的磁盘存储空间。

For example, hard disk 1gb only sub-district, then the cluster size is 32kb, that is to say, even if a file is only 1 byte long, 32kb storage must also account for the hard disk space, and the remaining space will be where all the idle, so has led to great waste of disk space. greater support fat16 partition, the disk capacity of each cluster is also greater, resulting in greater waste.

例如1gb的硬盘若只分一个区，那么簇的大小是32kb，也就是说，即使一个文件只有1字节长，存储时也要占32kb的硬盘空间，剩余的空间便全部闲置在那里，这样就导致了磁盘空间的极大浪费。fat16支持的分区越大，磁盘上每个簇的容量也越大，造成的浪费也越大。

Hard work in time to avoid the shock of it, because the distance between head and disk very close to, if clustering was head of the shock will lead to knock disk may be scratched disk heads, but also may lead to the total head count of the bad, the entire hard disk can not be used.

在硬盘工作的时候要尽量避免它的震荡，因为，磁头与磁片的距离非常近，如果遭到聚类的震荡会导致磁头敲打磁片，有可能磁头会划伤磁片，也可能会导致磁头的彻底算坏，使整个硬盘无法使用。

In my opinion, the simplest approach is: Normally, the hard drive to back up a partition table (not, to find a model with the same hard disk partition table can be), the event was to get rid of a hard disk, floppy disk with both fixed, it can be hard in the bios will set none, to start after the backup to restore the partition table back to the hard disk and then change the settings back from the new start, fdisk it.

我认为，最简单的办法是：在平时，将硬盘的分区表备份一个（没有的话，找一个与之相同型号的硬盘的分区表也可以），万一硬盘被干掉了，用软盘都起不动的话，可以在bios里将硬盘设为none，启动后，将分区表的备份恢复回去，然后将硬盘的设置改回来，从新启动，fdisk就可以了。

This process is usually performed by the disk's manufacturer , resulting in what are known as formatted disks. Most computer systems can also perform this task. Thus, if the format information on a disk is damaged, the disk can be reformatted, although this process destroys all the information that was previously recorded on the disk.

轨道和扇区的位置不是磁盘的物理结构的固定部分，它是是经由过程称为磁盘格式化或初始化形成的，它通常是由磁盘的厂家完成的，如许的盘称为格式化盘，大多数的计较机系统也能执行这一个任务。

As the root user, when you use the format utility and select a disk to partition, a copy of the disk's partition table is read from the label on the disk into memory and is displayed as the current disk partition table.

当你使用format命令时，format将读取这个文件(/etc/format.dat )。这个文件是一个可用磁盘类型的表和一个预先定义的分区表的集合，你能用它来快速分区磁盘。

Mobile hard disk can not move at will, mobile hard disk and lead plane jumper are general at least a few centimeters, a lot of people copy data at the same time actually, take at the same time in the hand, this is the error with the commonnest you, experience is fluky, your so harum-scarum behavior accumulative total has the possibility 10 times, 30, did not give a business on the spot, but hard disk of day of very possible abrupt some was hanged ahead of schedule, life of normal circumstance hard disk should be more than 35 years, be like what write above advertisement to have average time to failure, allegedly tens of thousands of hour, it is not quite clear that I am written down, when this plaything high speed runs, anyhow must place the platform that stabilizes in to go up.

移动硬盘并不能随意移动，移动硬盘和主机连接线一般至少几十厘米，很多人竟然一边拷贝数据，一边拿在手里，这是诸位最常见的错误，经验并不可靠，可能你这样鲁莽的行为累计有十次，三十次，从来都没当场出事情，但很有可能忽然某一天硬盘就提前挂了，正常情况硬盘寿命应该不止三五年，好象广告上面写的有平均无故障时间，据说几万个小时，我记不大清楚，总之这玩意儿高速运转的时候必须放置在一个稳定的平台上。

I remember the day i saw the feral tiger very clear.

见到猛虎的那一天，我记得很清楚。

All looked colder and darker in that visionary hollow than in reality: and the strange little figure there gazing at me with a white face and arms specking the gloom, and glittering eyes of fear moving where all else was still, had the effect of a real spirit: I thought it like one of the tiny phantoms, half fairy, half imp, Bessie's evening stories represented as coming out of lone, ferny dells in moors, and appearing before the eyes of belated travellers.

那个陌生的小家伙瞅着我，白白的脸上和胳膊上都蒙上了斑驳的阴影，在—切都凝滞时，唯有那双明亮恐惧的眼睛在闪动，看上去真像是一个幽灵。我觉得她像那种半仙半人的小精灵，恰如贝茵在夜晚的故事中所描绘的那样，从沼泽地带山蕨丛生的荒谷中冒出来，现身于迟归的旅行者眼前。