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1. database information operating system version: OEL6.5x64 database version: Oracle11.2.0.4x64RAC .. 1. database information operating system version: OEL6.5x64 database version: Oracle11.2.0.4x64RAC .. 1. Database Information Operating system version: OEL6.5 x64Database Version: Oracle 11.2.0.4 x64 RACThis article adds a storage disk to oracle 11.2.0.4 x64 RAC for OEL6.5 and merges it into the original ASM volume group to expand the storage space. The detailed modification process is as follo

frequently used) Assembly mode:Soft raid is system-based. When the original system is damaged, we need to re-assemble the raid.-A (for example, mdadm-A/dev/md1/dev/sdb5/dev/sdb6)Zeng Long Mode: Used to add disks and resize Arrays -G (for example, [root @ localhost ~] # Mdadm-G/dev/md2-n 4) View:Mdadm-D/dev/md # (displays raid array details)Cat/proc/mdstat (view raid status) --------------------------------------------------------------------------------Next, let's try the specific operation !!

Tags: SDC system oracl partition PID dos Spider part comOriginal website: https://baijiahao.baidu.com/s?id=1591207020267646171wfr=spiderfor=pc[[Email protected]~]# fdisk-l (view partition status)Disk/dev/sda:107.4 GB, 107374182400 bytes, 209.7152 million sectorsUnits = Sector of 1 * bytesSector size (logical/Physical): 512 Bytes/512 bytesI/o size (min/best): 512

low 12bit) is required for addressing the physical page."Pagetable" (page table), a page table with a size of 4KB, placed in a physical page. Consists of 512 8-byte PTEs (page table entries). The size of the page table entry is 8 bytes (64 bits), so there are 512 page table entries in a page table. The contents of each item in the page table (8 bytes, 64 bits) low 12 bits after the M-12 bits are used to pu

What is the difference between directly attaching a hard disk and attaching a partition in Linux ?, Linux mountingZookeeper 1. Problem What is the difference between directly mounting a hard disk and attaching a partition in Linux?For example, the hard disk of/dev/sdb can be mounted directly after mkfs. ext4/dev/sdb,And fdisk partitioning, used in mkfs in mount,What is the difference between the two? 2. Answer 1 Are you sure you don't need to partition? Instead of dividing a hard disk into one

155 M 98%/Tmpfs 3.9G 296 K 3.9G 1%/dev/shm/Dev/sda1 485 M 64 M 396 M 14%/boot/Dev/sda3 83G 350 M 79G 1%/mediaStep 2. view the local disk[Root @ linuxidc ~] # Fdisk-l Disk/dev/sda: 107.4 GB, 107374182400 bytes255 heads, 63 sectors/track, 13054 cylindersUnits = cylinders of 16065*512 = 8225280 bytesSector size (logical/physical): 512 bytes/512 bytesI/O size (minim

Centos disk partition resizing The procedure is as follows: Step 1. view the current partition of the Local Machine[Root @ linuxidc ~] # Df-hFile System capacity in use available % mount point/Dev/mapper/VolGroup-lv_root7.7G 7.1G 155 M 98%/Tmpfs 3.9G 296 K 3.9G 1%/dev/shm/Dev/sda1 485 M 64 M 396 M 14%/boot/Dev/sda3 83G 350 M 79G 1%/mediaStep 2. view the local disk[Root @ linuxidc ~] # Fdisk-l Disk/dev/sda: 107.4 GB, 107374182400 bytes255 heads, 63 sectors/track, 13054 cylindersUnits = cylinders

Linux disk relationship knowledge and linux disk experience I have learned more or less about linux disk management, including hard disks, logical disks, and lvm, however, I encountered a lot of problems and confusions when I checked the linux database yesterday. I also reviewed the related knowledge. First, let's take a look at the disk situation: df-k File System 1 K-block used available % mount point /Dev/mapper/vg_sspdb1-lv_root 51606140 2754580 46230120 6%/ Tmpfs 32984140 0 32984140 0%/dev/

Linux disk and File System Management (1) _ partition formattingLinux disk management Hard Disk: mechanical hard disk SSD solid state disk mechanical: track sector: minimum texture storage unit, each sector size is 512 bytes cylinder cylindrical: partition basic unit; the first sector of the hard disk is 512 bytes MBR: Master Boot Record the hard disk Master Boot records MBR accounted for 446 bytes: the boo

What is the difference between directly mounting a hard disk and attaching a partition in Linux?Zookeeper 1. Problem What is the difference between directly mounting a hard disk and attaching a partition in Linux?For example, the hard disk of/dev/sdb can be mounted directly after mkfs. ext4/dev/sdb,And fdisk partitioning, used in mkfs in mount,What is the difference between the two? 2. Answer 1 Are you sure you don't need to partition? Instead of dividing a hard disk into one partition?Direct us

Nandflash driver porting series Article Navigation: Nandflash driver porting (1) Nandflash driver porting (2) Nandflash driver porting (III) Nandflash driver porting (4) Nandflash driver porting (5) Nandflash driver porting (6) Six in total Here we will introduce the nfcon and nandflash control registers in the cloud6410cpu. 8.1 OverviewRecently nor Flash Memory price has increased and PR ice for SDRAM and a nand flash memory is moderatly placed.The 6410 is equipped with an internal SRAM buf

[Root@rhel63single queue]# pwd/sys/block/sdj/queue [root@rhel63single queue]# LS-LRT | grep size-r--r--r--. 1 root root 4096 Aug 21:58 physical_block_size-r--r--r--. 1 root root 4096 Aug 21:58 optimal_io_size-r--r--r--. 1 root root 4096 Aug 21:58 minimum_io_size-r--r--r--. 1 root root 4096 Aug 21:58 max_segment_size-r--r--r--. 1 root root 4096 Aug 21:58 logical_block_size-r--r--r--. 1 root 4096 Aug 21:58 hw_sector_size [root@rhel63single queue]# lsblk-o name,phy-sec NAME phy-sec sr0 204 8 SDB

Tags: bin pts 1.4 Sys creating DOS/ETC nbsp CRCFirst, disk formatDisk partition can not be used directly, you need to format each partition, formatting is actually installed system files.Command mke2fs: Formatting into XFS system files is not supportedMKFS.EXT4 = = mke2fs-t ext4 two commands equal-B: Sets the amount of space that each data chunk occupies when partitioning-I: Indicates the size of the inode is set-N: Indicates data for inode setting-C: Indicates if there is a problem detecting th

verify the partition table W write table to disk and exit X extra functionality (expertsonly) Command (m for help): p Disk/dev/sdb: 96.6 GB, 96636764160 bytes 255 heads, 63 sectors/track, 11748 cylinders Units = cylinders of 16065*512 = 8225280 bytes Sector size (logical/physical): 512 bytes/512 bytes I/O size (minimum/optimal):

(collection C): Use a normal collection to create a Enumset collection.D, Static Enumset copyOf (Enumset E): Creates a enumset with the same element type, same collection element as the specified enumset.E, static Enumset noneof (Class ElementType): Creates an empty enumset that has an element type of the specified enumeration type.F, static enumset of (E first,e...rest): Creates a enumset that contains one or more enumeration values, and the multiple enumerated values passed in must belong to

assigned to Authkey, Keywrapkey and Emsk respectively.Perhaps the "| |" as "append stitching" will be better understood.(5) Calculation of some important parameters in M1-M3:Es1,es2 is a 128-bit random number generated on the enrollee side, which differs from N1,N2Rs1,rs2 is a 128-bit random number generated on the Registrar side, which differs from N1,N2E-HASH1 = Hmac-authkey (ES1 | | PSK1 | | PKE | | PKR

=" Http://s2.51cto.com/wyfs02/M01/7A/B2/wKioL1awuIGwOfOXAAAwY15mUg0691.png "title=" Es1.png "alt=" Wkiol1awuigwofoxaaawy15mug0691.png "/>650" this.width=650; "src=" http://s4.51cto.com/wyfs02/M02/ 7a/b2/wkiol1awujlrbqsdaaawy15mug0234.png "title=" Es1.png "alt=" Wkiol1awujlrbqsdaaawy15mug0234.png "/>cluster (cluster)A cluster consists of one or more nodes that share the same cluster name. Each cluster has a

*56*128=400k weights:0 conv3-256: [56x56x256] memory:56*56*256=800k weights: (3*3*128) *256 = 294,912 CONV 3-256: [56x56x256] memory:56*56*256=800k weights: (3*3*256) *256 = 589,824 conv3-256: [56x56x256] memory:56*56*256= 800K weights: (3*3*256) *256 = 589,824 POOL2: [28x28x256] memory:28*28*256=200k weights:0-conv3-512: [28x28x51 2] memory:28*28*512=400k weights: (3*3*256) *

/Etc/init. d/RCS #! /Bin/sh Path =/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:/home/swordzj: Runlevel = s Prevlevel = N Umask 022 Export path runlevel prevlevel /Bin/Mount-T proc NONE/proc /Bin/Mount-T tmpfs NONE/tmp /Bin/Mount-T tmpfs NONE/var /Bin/Mount-n-t sysfs/sys /Bin/Mount-T yaffs/dev/mtdblock/3/usr/local /Bin/mkdir-P/var/lib /Bin/mkdir-P/var/run /Bin/mkdir-P/var/log /Etc/rc. d/init. d/netd start /Etc/rc. d/init. d/httpd start /Sbin/ifconfig lo 127.0.0.1 /Sbin/ifconfig eth0 192.168.0

sector size (logical/physical): bytes/512 bytes I/o size (minimum/ Optimal): bytes/512 bytes Disk identifier:0x000efd7c Device boot start end blocks id System /dev/sda1 2048 97656831 48827392 82 Linux swap/solaris /dev/sda2 97656832 136718335 19530752 83 Linux /dev/sda3 136718336 214843335 39062500 83 Linux /dev/sda4 * 214843392 215037951 97280 83 Linux disk/dev/sdb:1999.3 GB, 1999307276288 by