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Common backup methods for Linux servers

the entire system for one weeks or one months. If you have critical files, you should have a plan to copy these files to a removable disk.Before backing up, be sure to set up the backup device correctly. Most tape backup systems can be found to be correct when they are installed. After the system starts, open a terminal window and enter the following command: $dmeg lessScroll through the list and look for the drive from your

Linux Backup and Recovery Basics _linux

The UNIX system records these three different times for each file, the first one is mtime, that is, the modification time. Whenever the contents of a file are changed, the value of the Mtime is modified accordingly. The second one is Atime, which is the access time. As long as the file is accessed (for example, run or read), it is modified. The third is CTime, which is the change time. When a file's properties change (such as changing permissions or all relationships), the value of the CTime is

Linuxdump command details

Function description: backs up the file system. Syntax: dump [-cnu] [-0123456789] [-B lt; block size gt;] [-B lt; block quantity gt;] [-d lt; density gt;] [-f lt; device name gt;] [-h lt; Level gt;] [-s lt; tape length gt;] [-T lt; date gt;] [Directory or file system] or dump Function description: backs up the file system. Syntax: dump [-cnu] [-0123456789] [-B ] [-B ] [-D ] [-F ] [-H ] [-S

IT professional English dictionary t

Velocity tangent speed Tank Circuit Bypass Tantalum capacitor Tantalum nitride (TAN) ta n Tantalum oxide ta Oxide Tantalum-foil electrolytic capacitor ta foil Electrolytic Capacitor Tap Changer [transformer] Tap Converter Tape automatic bonding (Tab) Technology Tape Ball Grid Array (tbga) with Ball Grid Array Tape bonding carrier

Data backup = super point for my bussiness

1. Full backup)Make a full backup of your system every day. For example, one tape is used to back up the entire system on Monday, and another tape is used to back up the entire system on Tuesday. The advantage of this backup policy is that when a data loss disaster occurs, you only need to use a disk of tape (that is, the backup

Informix Common Commands

Multiple threads optionOnstat-g Ses/sqlOnstat-r Onstat-g Act shows all activity leads in the systemOnstat-g Ath-r 2 Every two seconds to show clues to all activities in the systemOnstat-i Interactive mode>sql>sql SIDIPCS view of Shared memoryIPCRM Delete a shared memoryIpcrm-m IDIpcrm-s IDOntape command:1) 0 level (level one or two) backup$>ontape-s$>ontape-s-L 0$>ontape-s-L 1$>ontape-s-L 2Automatic backup of logical log files$>ontape-a3 Continuous logical log backup (log file full of one, onli

Common Informix commands

displays all active locksOnstat-G sub_option OptionOnstat-g ses/SQLOnstat-r Onstat-G Act displays all activity clues in the systemOnstat-G ath-R 2 shows all activity clues in the system every two secondsOnstat-I Interaction Mode> SQL> SQL SidIPCS view shared memoryIpcrm deletes a shared memoryIpcrm-m idIpcrm-s IDOntape command:1) Zero-level (primary or secondary) backup$> Ontape-S$> Ontape-S-l 0$> Ontape-S-l 1$> Ontape-S-l 2Automatic logical log file backup$> Ontape-3) continuous logical log ba

Configure and implement an Informix ON-Bar backup solution

this article, you will learn: What is ON-Bar and its capabilities ON-BarBrief Introduction ON-Bar is a fully scalable backup product for Informix databases. It allows you to run backup and recovery in parallel, depending on the number of threads you choose to run, which can greatly increase their speed. ON-Bar is applicable to Informix systems of any size. If you want to reduce system backup and recovery time, ON-Bar can meet your requirements. When other processing is running ON the machine, t

Computer network Basics-Operating system

physical resources of the computer, including: File unification, memory management, device management, and process management.Ii. Operating system History 2.1 vacuum tube with punch card (no operating system)Process: All- purpose programmers load the perforated paper tape (or card) corresponding to the program and data into the input machine, then start the input machine to enter the program and data into the computer memory, and then throug

Set backup for LINUX

backup. If a Linux computer has only one user, you can back up the entire system once a week or month. If there are critical files, they should be systematically copied to a removable disk. Before backup, make sure that the backup device is correctly set. Most tape backup systems can be correctly installed. After the system starts, open a terminal window and enter the following command: $ Dmeg | less Scroll through the list and find the driver for y

Oracle exp/imp

= 0 File = exp_icdmain_csd_yyyymmdd.dmp Log = exp_icdmain_csd_yyyymmdd.log Tables = icdmain. commoninformation, icdmain. serviceinfo, icdmain. dealinfo If you back up the data directly to a tape device, run the following command: Exp icdmain/ICD rows = y indexes = n compress = n buffer = 65536 Feedback= 100000 volsize = 0 File =/dev/rmt0 Log = exp_icdmain_csd_yyyymmdd.log tables = icdmain. commoninformation, icdmain. serviceinfo, icdmain. dealinfo No

Oracle database backup graphics and text detailed

Config NBU backup Database NBU Installation Environment: Database:oracle 11.2.3 Os:oracle Linux 5.7 x86_64 Backupsoftware:nbu 7.5 Tape library:mhvtl-utils-1.4 A virtual band library that is commonly used in a production environment, or a vendor-supplied dummy tape library. But in the process of learning not so much money to buy equipment, then only use virtual machine to do virtual

Sepaton Disaster Tolerance Solution

Disaster tolerance refers to the guarantee that the information system can provide normal application service after various disaster damage, and can be divided into data disaster tolerance and application disaster tolerance. Data disaster tolerance is the base of disaster tolerant system, and it is also the last means to protect the data when calamity occurs. Shanghai Insurance Company has established a complete data backup mechanism, but the backup data are stored in the local data center, onc

MSSQL basic Tutorial: create a backup device

You must create a backup device before performing a backup. A backup device is a storage medium used to store databases, transaction logs, files, and file group backups. The backup device can be a hard disk, tape, or pipe. SQLServer only supports backing up a database to a local tape drive, rather than a remote tape drive on the network. When using a disk, SQLSer

Analysis of INFORMIX database backup and recovery tools

. Introduction to the on-bar tool and its FunctionsThe on-bar tool backs up and recovers buckets and logical files by using the Storage Manager to trace backup and storage media. Its functions are as follows:1) Select a specific bucket for backup or recovery2) supports backup to specific time points3) supports separate physical and logical recovery.4) Multiple tape drives can be used for backup and recovery.5) Import recovery is supported.6) supports

Basic Linux backup and recovery knowledge

The UNIX system records these three different times for each file. The first is the mtime, that is, the modification time. Whenever the file content is changed, the mtime value is modified accordingly. The second is atime, that is, the access time. As long as the file is accessed (such as running or reading), it will be modified. The third is ctime, that is, the change time. The ctime value is changed when the file attributes change (for example, permission change or all relationships. The Admin

Dynamically switch between the IBMp6570LPAR host/Optical Drive

Some peripherals on the small machine, such as the host machine and the optical drive, are rarely used at ordinary times, so most of them are shared among the LPAR of a small machine. These IO devices can only be exclusively occupied by one LPAR when used between different LPAR, so they must be switched when necessary.The customer's p6 570 server has four lpars, and two of them need to be backed up using tapes. Therefore, the dynamic switching of the tape

Yan Rong Adhesive Products Wenzhou

Shenzhen Xin Rong Adhesive Products Co., Ltd.qq:842456735 1228487648 Mobile:18824241192PE Sealed sealed tape LoudiUse: Applicable to opp,pp all kinds of plastic bag packaging sealing , Reusable, non-degumming, non-residue; specifications and Packaging :Specification:0.3PL/0.3PR/0.3WL/0.3WR; Packing:1200Mx reel / carton Specification:0.5PL/0.5PR/0.5WL/0.5WR; Packing:1000Mx vol. / carton Specification:0.8WL/0.8WR; Packing:1000Mx reel / carton OPP Sea

Introduction of various noises in "reprint" noisex92 Noise Library

noisex92 Noise Library Various noise introduction file:matlab or WAV formats (compressed) sampling rate:19.98 khza/d: 16 Bitpre-filter:anti-aliasing filterpre-emphasis:nonefilter:noneduration:235 seclength (Uncompressed): approx 9 Mb (UNC ompressed) White noise: noisewhite Noise acquired by sampling high-quality analog Noise generator (Wandel Go Ltermann). Exhibits equal energy per Hz bandwidth. in-vehicle noise: Volvovolvo 340 noise acquired by recording samples from "Bam P K condensor microp

Python Full stack _day2

, written on paper, then punched into a card, then the card cassette into the input room, to the operator, and then drink coffee waiting for the output interfaceWorking process: IllustrationsThe problem with the first generation of computers is:Too many human-computer interaction (human-Computer Interaction process: input-"calculation-" output)A person's interaction: input-"calculation-" output10 Human Interactions:Input-"calculation-" outputInput-"calculation-" outputInput-"calculation-" output

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