Category: Veritas Administration for unixadmin


VXVM 6.1 – How to Get Information about current Veritas DMP devices?

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...


VCS 6.1 : How to manage SCSI-3 disk registrations and reservations for I/O fencing using vxfenadm and vxfenclearpre?

  vxfenadm: The vxfenadm utility enables the vxfen driver to manage SCSI-3 registrations and reservations on disks for purposes of I/O fencing. In the event of a split-brain condition, I/O fencing allows only a system with a valid registration to write to a disk. Thus, I/O...


VXVM 6.1 – How to Interpret veritas Configuration Daemon (vxconfigd) States from vxdctl output?

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...


VXVM 6.1 – How to restore simple or nopriv disk access records in VxVM , using vxdarestore ?

::: Simple/Nopriv Disks in the Boot Disk Group If simple or nopriv disks in the boot disk group, bootdg, go into the “error” state, use the following procedure: 1. Use the vxdiskadm command to change back to the c#t#d#s# based naming scheme. 2. Either shut down...


VXVM 6.1 – How to Enable vxconfigd log for deduubbing?

You can enable direct vxconfigd logging with the -x log argument, and turn it off with the -x nolog argument. Logging is disabled by default. If direct logging is enabled, the default log file is /var/vxvm/vxconfigd.log. This option can be used in conjunction with syslog |...


VXVM 6.1 – How to Backup and Restore the VxVM DiskGroup Configuration?

Disk Group Configuration Backup : Back up the configuration of the mydg disk group to the directory /dgbackup/mydg: # vxconfigbackup -l /dgbackup/mydg mydg The vxconfigbackupd daemon automatically backs up a disk group’s new configuration to the default backup directory whenever the configuration is changed. The vxconfigbackup...


VXVM 6.1 – How to Convert VxVM disks and Diskgroup to CDS compatible?

Check if the disk group, mydg, and all its disks can be made portable: # vxcdsconvert -g mydg -A group Make the disk group, mydg, and all its disks portable while its volumes are still online: # vxcdsconvert -g mydg -o novolstop group


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