块存储布局将文件块映射到物理存储块。
The block storage layout maps the file blocks to physical storage blocks.
理想情况下，存在一个足够大的连续存储块来涵盖分区中的全部区段。
Ideally there is a large enough contiguous block of storage to cover all the extents in the partition.
紧凑的数据表可以针对基于行的数据库做存储块优化，让SQL执行得更好。
Compact tables can optimize storage blocks for row-based databases and accordingly make SQL perform better.
简而言之，此功能就是将一个持久性存储块的内容复制给一个新的持久性存储块。
The following aspects of the persistent storage cloning capability should be noted
该策略基于缓冲区单次拷贝技术，克服了有些嵌入式系统存储控制器低效的存储块拷贝。
Based on the single buffer copy technology, the strategy overcomes the inefficiency of storage block copy in some embedded system's memory control unit.
目前，持久性存储块的容量最大被限定在2tb，而且一次只能将一个持久性存储单元附加给一个虚拟实例。
Currently, persistent storage blocks are limited to a 2tb maximum size and a single persistent storage unit can only be attached to one virtual instance at a time.
正如在其他文件系统中一样，Informix分区可能会有很多区段，那是用于存储分区一部分的连续存储块。
As in other file systems, Informix partitions may have many extents, which are contiguous blocks of storage used to store a portion of the partition.
这是几个物理硬盘(两个或更多)有一个称为RAID的单元的管理的解决方法，它把他们变成了单一的、结合一体的数据存储块。
This is a solution where several physical hard disks (two or more) are governed by a unit called RAID controller, which turns them into a single, cohesive data storage block.
这是通过使用JFFS2（JournalingFlashFileSystemversion2）实现的，它会对所存储的数据进行压缩；这 21,544 个存储块可以容纳大约 60,000 个文件块。
This is done by using JFFS2 (Journaling Flash File System version 2), which compresses stored data; the 21,544 blocks of storage available hold roughly 60,000 blocks of files.
这个签名块文件存储相应的签名文件的数字签名。
This signature block file stores the digital signature of the corresponding signature file.
将一小块额外的存储器连接到每个节点。
这种用户可以增加或减小虚拟服务器或存储区域块的数量。
This consumer can scale the number of virtual servers or blocks of storage area up or down.
基础架构专家可以垂直扩展或收缩虚拟服务器或存储区域块。
The infrastructure specialist can scale up or down virtual servers or blocks of storage area.
（和电池相比，）这是一种“低能量密度”设备，电能被直接存储在两块静止的导电板上。
This is a low energy-density device, which stores electricity directly by charging two conductive plates with static.
消费者可以增加或减少实例资源和虚拟服务器的数量或存储区域块。
The consumer can scale the number of instance resources and virtual servers or blocks of storage area up or down.
然而，尽管XFS为新数据保留了空间，但它却没有决定将什么文件系统块用于存储数据，至少现在还没决定。
However, while XFS reserves space for the new data, it doesn't decide what filesystem blocks will be used to store the data, at least not yet.
图像的水平块存储在一起。
如今亚马逊已经可以利用 弹性块存储（EBS）来解决这个问题了。
Today Amazon moved to address this issue with the release of Elastic Block Storage (EBS).
文件对象锁定不可用，但已修改的块存储技术可在此引入，按照本文介绍的方式保持数据一致性。
File object locking is not available, but the modified block storage technique can be introduced here the way we did in this article to maintain data consistency.
尽管可同时禁用主动和被动触发机制，手动存储空间扩展和块扩展仍然可行。
Although both the proactive and reactive triggering mechanisms can be disabled, manual storage space expansion and chunk extension are still possible.
如果空间不包含可扩展块且存储池不包含请求的空间，命令会失败。
If the space contains no extendable chunks and the storage pool does not contain the requested space, the command will fail.
碎片是一个实际的物理内存块，它存储分区的内容。
A shard is a real, physical chunk of memory that stores the contents of a partition.
超级块通常存储在存储媒体上，但是如果超级块不存在，也可以实时创建它。
The superblock is typically stored on the storage medium but can be created in real time if one doesn't exist.
您可以上下缩放虚拟服务器数量或存储区域块。
You can scale the number of virtual servers or blocks of storage area up or down.
存储访问协议就是SCSI块命令集。
要使用存储池手动将块添加到空间中，可使用以下命令。
In order to manually add a chunk to a space using the storage pool, you use the following command.
已修改的块存储技术也可用于其他云平台。
This modified block storage technique can be adapted for other cloud platforms as well.
添加或返回删除的块空间到存储池。
Adding or returning dropped chunk space to the storage pool.
存储目标检查CRC和Ref标签，如果正确，就在物理介质上存储数据块和DIF。
The storage target validates the CRC and Ref tag and, if correct, stores both the data block and DIF on the physical media.
可将新块添加到存储空间。
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