VXVM : How to create mirrored Volume in veritas Volume manager.

How to create mirrored Volume in veritas Volume manager.

Overview

How to create mirrored Volume in veritas Volume manager

Procedures

1> For creating mirrored volume in Veritas Volume manager we will require minimum Two Disks. 2> First Step is to initialize both Disl into VXVM using below Command. # cd /etc/vx/bin #./vxdisksetup –i sde format=sliced #./vxdisksetup –i sdf format=sliced 3> After initilizing the disk in error status will become online. 4> Now initialize the first to create a Disk Group using below command # vxdg init newdg newdg01 =sde cds=off 5> Now add second disk to diskgroup newdg using below command. # vxdg -g newdg adddisk newdg02 =sdf Use below command to see the output [root@myserver /]vxdisk list DEVICE TYPE DISK GROUP STATUS sda auto:none - - online invalid sdb auto:none - - online invalid sdc auto:none - - online invalid sdd auto:none - - online invalid sde auto:sliced newdg01 newdg online sdf auto:sliced newdg02 newdg online 6> Now create a volume using vxassist command. We are not creating subdisk and plex manulally as there may be confussion in naming conventions and also we have to be more precise while creating the plex and subdisk. Vxassist command will directly create subdisk, plex and volume. Kinldy see the command below. # vxassist -g newdg make newcol01 100M layout=mirror 7> Below command will display the Details of the created volume #vxprint –g newdg –htq new newcol01 8> Command to check if volume is startable or now use below command #vxinfo –g newdg (newdg is name of the diskgroup). 9> Make the format the file system using below command # mkfs –t vxfs /dev/vx/rdsk/newdg/newcol01 10> Make the mount pouint using below command #mkdir /new1 11> Mount the filesystem using below command # mount –t vxfs /dev/vx/dsk/newdg/newcol01 /new1

Keywords.

Vxdg,vxprint,vxstat,vxtask,vxassist.