lacie 2tb

Linux Kernel formally supports the new file system EXT4 since 2.6.28. EXT4 is an improved version of EXT3 that modifies some of the important data structures in EXT3, not just as Ext3 to Ext2, but only adds a log function. EXT4 can provide better performance and reliability, as well as richer functionality: 1. Compatible with EXT3. By executing several commands, you can migrate from Ext3 online to EXT4 without reformatting the disk or reinstalling the system. The original EXT3 data structure i

/selectcat/er//m/er/49.html ........ ..... ...... ...... Description: Platform and USER_ID also represent platform and user id;seq fields that represent the order in which users are sorted by time, and From_url and To_url on which page the user jumps to on behalf of each page. For the first access record for a user on a platform, its from_url is null (NULL). Problem-solving requirements: need to be done in two ways: 1. Implement a hive Generic UDF that speeds up the process described above, a

Turn from: http://www.kuqin.com/linux/20090202/33777.html Linux Kernel formally supports the new file system EXT4 since 2.6.28. EXT4 is an improved version of EXT3 that modifies some of the important data structures in EXT3, not just as Ext3 to Ext2, but only adds a log function. EXT4 can provide better performance and reliability, as well as richer functionality: 1. Compatible with EXT3. By executing several commands, you can migrate from Ext3 online to EXT4 without reformatting the disk or rei

too large and can only manage hard disks under 2GB. 　　 In addition to using the FAT16 file system in Windows 98, a new enhanced version of the FAT16 file system FAT32 file system, which employs a 32-bit file allocation table, can effectively manage more than 2GB of hard disks and can support up to 2TB of disk capacity. The ★ntfs file system ★ntfs file system can only be used on computers that have Windows nt/2000 systems installed. 　　Compared to the

system for EXT3 systems, and the Linux kernel has officially supported 2.6.32 file systems since 2.6.28 (CentOS 6.0 kernel is EXT4). EXT4 is an improved version of ext3 that modifies some of the important data structures in ext3, rather than just adding a log function, as in ext3. EXT4 provides better performance and reliability than ext3, and some of its performance improvements are as follows: (1) compatible with ext3. If you want to upgrade from ext3 to EXT4, you don't need to format the fil

) and the partition table (partition table), where the MBR occupies 446bytes and partition table occupies 64 bytes GPT Partitioned tables can support more than 2TB of disk capacity in addition to a larger number of partitions. Linux's Orthodox filesystem for EXT2 (Linux second extended file system, EXT2FS) A data that can be mounted is a file system instead of a partition slot. The file system of the Linux operating system includes file data, file pe

. Instead, iSCSI offers a relatively inexpensive choice for shared storage because the NIC is typically far cheaper than fibre Channel HBAs and converged network adapters. Multipath is difficult to configure before the latest version of Vsphere, but this has been improved. In addition, iSCSI connection speeds are currently limited to 1Gbps and 10Gbps. Finally, the security of iSCSI devices is more complex for administrators because their functionality is more basic and unsuitable for a highly sc

Sanmelody Software runs on the HP DL180 server, each server has 12 400GB of internal drives. The company purchased a 2TB license from the DataCore. The backup site has a sanmelody and a xenserver. Sanmelody of the company's headquarters copies the data to the DR (disaster recovery) site. SQL Server also copies the data to the backup site. The company began implementing the new system last August, and the new system was launched in December. "It's

A hospital DCOM Imaging system storage, IBM ds3200,12 block 300GB SAS hard Drive, RAID5, Hot-spare, divided into two groups of logical driver, capacity of 2TB and 1.3TB, storage data volume of about 1TB. Due to cluster system (dual-machine) failure, RAID information is lost when switching, IBM Engineer activation is unsuccessful, need to recover data. The approximate process is as follows: 1, turn off the DS3200 power, all 12 hard drives all remove

As the size of the company expands, NS1 has been unable to meet the company's increasing file-sharing needs So the purchase of a new host Xeon 5500,2G memory, Gigabit network card, 2TB hard disk backup First install the machine Windows Server 2008 SP2, this example does not install 2008R2, to see what is different, and the NS1 on the sharing of the perfect migration to the new file server, security permissions are not lost. In fact, the best way is

Diskgenius is a set of disk partition management and data recovery function in one tool software. It is a powerful, flexible and easy-to-use zoning software, but also a highly skilled, full-featured data recovery software. It not only has nearly all functions related to the partition management, supports the GUID partition table, supports various hard disk, memory card, virtual hard disk, RAID partition, provides the unique fast partition, the integer partition and so on function. Also has a cla

Capacity Class SD capacity 8MB, 16MB, 32MB, 64MB, 128MB, 256MB, 512MB, 1GB, 2GBSDHC capacity 2GB, 4GB, 8GB, 16GB, 32GBSDXC capacity 32GB, 48GB, 64GB, 128GB, 256GB, 512GB, 1TB, 2TB SD Card Register command Format All commands are in this format, with a total of 48 digits. One starting bit, One Direction bit, 6 command bits, 32 bit parameters (some commands required), CRC 7 bit check, 1 stop bit Command Classes Note: Command detailed explanation s

LG released G Flex 2 on CES2015, the successor to G Flex last year, still uses a unique curved fuselage, but the fuselage is more compact and uses a 5.5-inch display. Making this change is the result of LG listening to user feedback, and LG also upgrades the display resolution from HD to 1080p based on user feedback. A year ago LG launched the G Flex using a curved surface display screen and an automatically repaired rear shell. This year's G Flex 2 continues with these two features, but the co

VHD and VHDX are not much different, just the maximum capacity is different, use is the same, must switch to GHOST11, is a new VHDX, and then the VHD and VHDX mount, and then ghost11 partition to the partition restore. 　　Introduction to VHD and VHDX One of the biggest advantages of VHDX in the previous VHD format is the virtual hard disk storage capacity. Prior to Windows Server 2012, the Hyper-V virtual hard disk had a maximum 2TB capacity limit. A

Microsoft held 2016 WIN10 new product conference, officially launched a Surface studio, Surface Book i7, such as a large wave of new products. For these two new products, I believe that the vast number of small series of netizens have learned that their prices are very high, the purchase needs to make a prudent choice, small series will help you choose the surface products. Now let's review the surface Studio All-in-one, which has a 28-inch 4.5K resolution pixelsense touch screen, with th

range of 32GB~2TB. While the SDXC card still needs to wait for its price to fall further, the SD4.0 specification has begun to develop in tension, which is beyond the scope of this article. 2. SD Card driver The SD card supports a total of three transmission modes: SPI mode, 1-bit SD mode, and 4-bit SD mode. All SD cards must support the older SPI/MMC mode, which supports a slow four-wire SPI interface, enabling many microcontrollers to read and writ

languages, such as TCL, C #, PHP, Java, and ODBC interface, also compared to MySQL, PostgreSQL, the two open source world-renowned database management system, is processing faster than they do. The first alpha version of SQLite was born in May 2000. To 2016 has been 16 years, SQLite also ushered in a version of SQLite 3 has been released. 2.SQLite Main function characteristics 1.ACID transactions 2.0 Configuration – No installation and management configuration requir

the following physical Memory requirements:Minimum:1 GB of RAMRecommended:2 GB of RAM or moreB.) Swap disk space proportional to the system ' s physical memory as follows: Ram Swap Space Between 1 GB and 2 GB 1.5 times the size of RAM Between 2 GB and GB Equal to the size of RAM More than GB + GB Note: The above recommendations (from the Oracle? Database Installation Guide 12c Release 1 (12.1) for Linux)

Tags: http io ar using SP strong on data artA colleague of mine, Martin Masarik,sqlde's CEO, talked to me about one of his DBA friends who managed an Oracle database for an international bank with a data size of about 2TB. Martin Masarik once asked him: "What kind of SQL problem can make you angry to hair-up?" He summed up the following points, all of which are experience:First, do not invoke function on the index columnDoing so will prevent the datab

Description: The optimization case is to express the meaning of the individual parameters, combining the analysis of the business with the logical implementation, and how to create the index and column order is selected (no longer described here)Environment Description :MongoDB version 3.0.9, replica set 3 node, memory 64g,cpu core, disk 2TB SSD, using WT storage engine ...The amount of data in this table is more than 260 million.The general analysis