Tag：Hard disk
-
Time：2020-6-2
As you may have known, enabling system hibernation will cost more disk space. As a result, many people turn off sleep to make room (especially for SSD users). However, the sleep function also has its advantages. In addition to saving power, it allows us to quickly restore the work site. If you don’t want to […]
-
Time：2020-5-30
Linux: building deep learning environment through docker background Recently, my friend forwarded a link to me. It was ma dada who sent warmth during the epidemic. Full time college students can get one2-core 4GECs. First half a year, and then half a year when it’s almost due.It’s really fragrant! The student machine bought before is […]
-
Time：2020-5-20
With the limitations of single disk in data security, performance and capacity, raid has emerged. Raid combines multiple independent disks in different ways to form a disk group to obtain higher data security, performance and capacity than single disk. 1、 Common RAID levels Raid has several levels of raid0 ~ raid7. In addition, there are […]
-
Time：2020-5-9
How LVM works LVM (logical volume manager) logical volume management is a logical layer added between disk partition and file system to shield the layout of lower disk partition for file system, provide an abstract volume and establish file system on the volume. The administrator can use LVM to dynamically adjust the size of the […]
-
Time：2020-5-7
Reprint please indicate the source of the article: add swap to CentOS 7 system Swap is a special file (or partition) on the disk, which is part of “virtual memory”. The common point is the spare wheel of memory. When the memory is sufficient, there is basically nothing about swap (related to settings); when the […]
-
Time：2020-4-25
1、 Partition type Primary partition Up to four in all Extended partition There can only be one primary partition, that is to say, there are at most four primary partitions plus extended partitions But the extended partition can’t store data and format, it must be divided into logical partition Logical partition Logical partitions are divided […]
-
Time：2020-4-21
Function Description: display and set the parameters of hard disk. >] [device] Add: hdparm can detect, display and set ide or SCSI hard disk parameters. Parameter:-A < cache partition > set the number of partitions stored in the block in advance when reading the file. If the < cache partition > option is not added, […]
-
Time：2020-4-16
How can MAC check whether the hard disk is in achi mode? If it’s a new Apple Mac, you don’t need to worry about it at all. Apple will automatically open it for you! If you install a solid-state drive and don’t know whether your Mac has the achi mode enabled, then the developepaar editor […]
-
Time：2020-4-13
Windows 7 / 2008 R2 Walker encountered the problem that “Setup cannot create a new system partition or locate an existing partition” when installing the original version of Windows Server 2008 R2. Record the solution. 1. Shift + F10 enter the command line, and use the Diskpart related command (active) to activate the C-disk partition. […]
-
Time：2020-3-28
We live in an era of information explosion. According to IDC, in 2020, the amount of data generated globally will exceed 40zb, which is equivalent to 5200gb per person on the earth every year. Data Science Popularization: storage unit conversion table 1 B (byte byte) = 8 bit1 KB = 1024 B1 MB = 1024 […]
-
Time：2020-2-27
Read ahead: use estimated information to read data from hard disk to cache. read-ahead100 times, i.e. it is estimated that 100 pages of data will be read from the hard disk to the cache. Physical read: after the query plan is generated, if the cache lacks the required data, let the cache read the hard […]
-
Time：2020-2-26
This article mainly introduces the method of adding a new hard disk to win2012. You can refer to Click the server management icon in the lower left corner Click “tools” in the upper right corner, and then select “computer management” Click “disk management” Right click on the button of disk 1 and choose online After […]
