Category: VxVM – How to

Below examples will  help you to understand Veritas Dynamic Multipathing administration using vxdmpadm. To display the usage message for all vxdmpadm commands, enter: # vxdmpadm help To obtain a usage message for listctlr, use the command: # vxdmpadm help listctlr  

 Below commands will show to remove a VxVM Control. Force deconfiguration of a VxVM-initialized disk, enc3_5: # /etc/vx/bin/vxdiskunsetup -C enc3_5 Shred a VxVM-initialized disk, hds9970v0_14, with 3 passes.  

The majority of Veritas Volume Manager utilities use a common set of exit codes, which can be used by shell scripts or other types of programs to react to specific problems detected by the utilities. The number for each distinct exit code is described below.

The following example output shows one volume, mkting, as being unstartable: # vxinfo [-g diskgroup] [volume …]  home   fsgen Started mkting fsgen Unstartable src fsgen Started rootvol root Started swapvol swap Started

Below example will display all the existing DMP devices : # /etc/vx/bin/vxgetdmpnames enclosure vendor=SEAGATE product=ST336607LSUN36G serial=DISKS name=disk     dmpnode serial=303432354139303747590000 name=disk_0     dmpnode serial=30343235413930424C300000 name=disk_1     dmpnode serial=30343238413933595A360000 name=disk_2 enclosure vendor=HITACHI product=DF600F serial=77011046 name=ams_wms0     dmpnode serial=0008 name=ams_wms0_8     dmpnode serial=0009...

To initialize a disk for regular use, enter: # /etc/vx/bin/vxdisksetup -i c2t1d0 or if enclosure-based naming is in use: # /etc/vx/bin/vxdisksetup -i sena1_4  

  To import the disk group, mydg: # vxdg import mydg To display the free space in the disk group, mydg: # vxdg -g mydg free

VxVM uses several Default Values during volume management tasks. To display all defaults: # vxdefault list  

The vxdctl utility manages aspects of the state of the volume configuration daemon, vxconfigd, sets the default disk group for the system, and also sets up the boot disk group if the root disk is under Veritas Volume Manager (VxVM) control. The volboot file forms a...