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- Block_(data_storage) abstract "In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing some whole number of records, having a maximum length, a block size. Data thus structured are said to be blocked. The process of putting data into blocks is called blocking, while deblocking is the process of extracting data from blocks. Blocked data is normally stored in a data buffer and read or written a whole block at a time. Blocking reduces the overhead and speeds up the handling of the data-stream. For some devices such as magnetic tape and CKD disk devices blocking reduces the amount of external storage required for the data. Blocking is almost universally employed when storing data to 9-track magnetic tape, to rotating media such as floppy disks, hard disks, optical discs and to NAND flash memory.Most file systems are based on a block device, which is a level of abstraction for the hardware responsible for storing and retrieving specified blocks of data, though the block size in file systems may be a multiple of the physical block size. This leads to space inefficiency due to internal fragmentation, since file lengths are often not integer multiples of block size, and thus the last block of a file may remain partially empty. This will create slack space, which averages half a block per file.Some newer file systems attempt to solve this through techniques called block suballocation and tail merging.Block storage is normally abstracted by a file system or database management system (DBMS) for use by applications and end users. The physical or logical volumes accessed via block I/O may be devices internal to a server, directly attached via SCSI or Fibre Channel, or distant devices accessed via a storage area network (SAN) using a protocol such as iSCSI, or AoE. DBMSes often use their own block I/O for improved performance and recoverability as compared to layering the DBMS on top of a file system.".
- Block_(data_storage) wikiPageID "313667".
- Block_(data_storage) wikiPageLength "3143".
- Block_(data_storage) wikiPageOutDegree "32".
- Block_(data_storage) wikiPageRevisionID "655739849".
- Block_(data_storage) wikiPageWikiLink ATA_over_Ethernet.
- Block_(data_storage) wikiPageWikiLink Abstraction_(computer_science).
- Block_(data_storage) wikiPageWikiLink Bit.
- Block_(data_storage) wikiPageWikiLink Block_(telecommunications).
- Block_(data_storage) wikiPageWikiLink Block_device.
- Block_(data_storage) wikiPageWikiLink Block_suballocation.
- Block_(data_storage) wikiPageWikiLink Byte.
- Block_(data_storage) wikiPageWikiLink CONFIG.SYS.
- Block_(data_storage) wikiPageWikiLink Category:Computer_storage.
- Block_(data_storage) wikiPageWikiLink Category:Data_transmission.
- Block_(data_storage) wikiPageWikiLink Computer_data_storage.
- Block_(data_storage) wikiPageWikiLink Computer_storage.
- Block_(data_storage) wikiPageWikiLink Computing.
- Block_(data_storage) wikiPageWikiLink Count_Key_Data.
- Block_(data_storage) wikiPageWikiLink Count_key_data.
- Block_(data_storage) wikiPageWikiLink DEBLOCK_(CONFIG.SYS_directive).
- Block_(data_storage) wikiPageWikiLink Data_buffer.
- Block_(data_storage) wikiPageWikiLink Database.
- Block_(data_storage) wikiPageWikiLink Database_management_system.
- Block_(data_storage) wikiPageWikiLink Device_file.
- Block_(data_storage) wikiPageWikiLink Disk_sector.
- Block_(data_storage) wikiPageWikiLink Extent_(file_systems).
- Block_(data_storage) wikiPageWikiLink Fibre_Channel.
- Block_(data_storage) wikiPageWikiLink File_system.
- Block_(data_storage) wikiPageWikiLink Flash_memory.
- Block_(data_storage) wikiPageWikiLink Floppy_disk.
- Block_(data_storage) wikiPageWikiLink Fragmentation_(computing).
- Block_(data_storage) wikiPageWikiLink Hard_disk.
- Block_(data_storage) wikiPageWikiLink Hard_disk_drive.
- Block_(data_storage) wikiPageWikiLink ISCSI.
- Block_(data_storage) wikiPageWikiLink Internal_fragmentation.
- Block_(data_storage) wikiPageWikiLink Magnetic_tape.
- Block_(data_storage) wikiPageWikiLink Object_storage.
- Block_(data_storage) wikiPageWikiLink Optical_disc.
- Block_(data_storage) wikiPageWikiLink Overhead_(computing).
- Block_(data_storage) wikiPageWikiLink Record_(computer_science).
- Block_(data_storage) wikiPageWikiLink SCSI.
- Block_(data_storage) wikiPageWikiLink Slack_space.
- Block_(data_storage) wikiPageWikiLink Storage_area_network.
- Block_(data_storage) wikiPageWikiLinkText "Block (data storage)".
- Block_(data_storage) wikiPageWikiLinkText "Block (data storage)#Blocked data".
- Block_(data_storage) wikiPageWikiLinkText "Block (data storage)#Blocking".
- Block_(data_storage) wikiPageWikiLinkText "Block (data storage)#Deblocked data".
- Block_(data_storage) wikiPageWikiLinkText "Block (data storage)#Deblocking".
- Block_(data_storage) wikiPageWikiLinkText "Block size".
- Block_(data_storage) wikiPageWikiLinkText "block level".
- Block_(data_storage) wikiPageWikiLinkText "block mapping".
- Block_(data_storage) wikiPageWikiLinkText "block size".
- Block_(data_storage) wikiPageWikiLinkText "block storage device".
- Block_(data_storage) wikiPageWikiLinkText "block storage".
- Block_(data_storage) wikiPageWikiLinkText "block".
- Block_(data_storage) wikiPageWikiLinkText "block-addressable".
- Block_(data_storage) wikiPageWikiLinkText "block-addressed".
- Block_(data_storage) wikiPageWikiLinkText "block-level storage".
- Block_(data_storage) wikiPageWikiLinkText "block-level".
- Block_(data_storage) wikiPageWikiLinkText "block-oriented".
- Block_(data_storage) wikiPageWikiLinkText "blocking".
- Block_(data_storage) wikiPageWikiLinkText "blocks of data".
- Block_(data_storage) wikiPageWikiLinkText "blocks".
- Block_(data_storage) wikiPageWikiLinkText "chunks".
- Block_(data_storage) wikiPageWikiLinkText "data block".
- Block_(data_storage) wikiPageWikiLinkText "data blocks".
- Block_(data_storage) wikiPageWikiLinkText "data-block".
- Block_(data_storage) wikiPageWikiLinkText "disk block".
- Block_(data_storage) wikiPageWikiLinkText "disk blocks".
- Block_(data_storage) wikiPageWikiLinkText "physical block".
- Block_(data_storage) wikiPageWikiLinkText "pieces of the file".
- Block_(data_storage) hasPhotoCollection Block_(data_storage).
- Block_(data_storage) wikiPageUsesTemplate Template:About.
- Block_(data_storage) wikiPageUsesTemplate Template:Refimprove.
- Block_(data_storage) wikiPageUsesTemplate Template:Reflist.
- Block_(data_storage) subject Category:Computer_storage.
- Block_(data_storage) subject Category:Data_transmission.
- Block_(data_storage) hypernym Sequence.
- Block_(data_storage) comment "In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing some whole number of records, having a maximum length, a block size. Data thus structured are said to be blocked. The process of putting data into blocks is called blocking, while deblocking is the process of extracting data from blocks. Blocked data is normally stored in a data buffer and read or written a whole block at a time.".
- Block_(data_storage) label "Block (data storage)".
- Block_(data_storage) sameAs Datenblock.
- Block_(data_storage) sameAs Bloque_(informática).
- Block_(data_storage) sameAs بلاک.
- Block_(data_storage) sameAs ブロック_(データ).
- Block_(data_storage) sameAs Мәліметтерді_жеткізу_блогы.
- Block_(data_storage) sameAs 블록_(컴퓨팅).
- Block_(data_storage) sameAs Bloco_(informática).
- Block_(data_storage) sameAs m.01tjzv.
- Block_(data_storage) sameAs Q1146944.
- Block_(data_storage) sameAs Q1146944.
- Block_(data_storage) sameAs 块_(数据存储).
- Block_(data_storage) wasDerivedFrom Block_(data_storage)?oldid=655739849.
- Block_(data_storage) isPrimaryTopicOf Block_(data_storage).