Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base


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 Use Vxattachd to send notifications during VxVM disks are being Detached?

The vxattachd daemon monitors Veritas Volume Manager (VxVM) for disks being attached. The vxattachd daemon reattaches the detached plexes or sites if the corresponding disks become accessible. vxattachd analyzes the output of the vxnotify command, and waits for a failed disk to attach. When a disk...


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Solaris 10 – How to Setup Locales using localeadm?

One of the most important factor for application programs is that the locale . Locale define the  native-language environment, code sets, data and time formatting conventions, monetary conversions and the standard library functions of ANSI C. A locale name is follows the pattern of base language,...


VXVM 6.1 – How to Use Ordered options with vxassist command

 If the -o ordered option is specified when creating a volume, vxassist uses the specified storage in the following order: 1. Concatenate disks. 2. Form columns. 3. Form mirrors. For example, the following command creates a mirrored-stripe volume with 3 columns and 2 mirrors on 6...


VXVM 6.1 – How to use ctrl ( Storage Controller) option with vxassist?

To create a  volume where two enclosures are connected to a host. The first through controllers c1, c2 and the second through controllers c3, c4. The following can be used: # vxassist make vol1 1024 !ctlr:c1 results in disks from the first enclosure being excluded from the...


VCS 6.1 – How to allocate two disk heartbeating resources, one for port a (the GAB control port) and one for port h (the VCS port) using gabdiskhb.

The gabdiskhb utility sets up and maintains the configuration of GAB driver heartbeat disk regions. GAB driver heartbeat disk regions provide channels in addition to the network connections for protection from network failures. These resources describe a 64K region that GAB uses to read and write...

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