Preparation of Ip-san
Shared storage mode
1.Das Direct attached storage (direct connection to host)
2.Nas Network attached storage (sharing mechanism for NFS samba)
--windows Shared CIFS
Simplifies operating system nfscifs SMB file-level sharing
Low efficiency and security is not high
3.san Storage Area Network
SCSI bus is divided into: narrowband 8 (7 available Controllers) Broadband 16 (15 available controllers)
--it's a shared, expensive, fiber-optic switch to solve the problem. iSCSI ip-based SCSI Mechanism
Equivalent to installing the SCSI protocol at both ends to encapsulate the data to be transferred
Classification of Sans: 1> Fcsan 2> Ip San SCSI
The local file system (EXT2EXT3 EXT4) cannot be cluster-shared.
--DRBD two hosts through the network to maintain data synchronization between the two hosts
--active/active requires two mobile IP
Cluster file system
JFS1 and 2 version file system, has the ability to push, Rehat JFS2
OCFS1 and 2 version file system Oracle OCFS2
Preparation of Ip-scan
A Target Preparation
1. Configure the Yum Warehouse
Topology map:
[Rhel-server]
name=red Hat Enterprise Linux Server
baseurl=file:///mnt/cdrom/server/
Enabled=1
Gpgcheck=1
Gpgkey=file:///mnt/cdrom/rpm-gpg-key-redhat-release
[Rhel-clusterstorage]
name=red Hat Enterprise Linux Server
baseurl=file:///mnt/cdrom/clusterstorage/
Enabled=1
Gpgcheck=1
Gpgkey=file:///mnt/cdrom/rpm-gpg-key-redhat-release