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

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Solaris SVM – How to Restore a Mirrored Root Configuration from Backup

In this scenario we are assuming that we  have full backup of the new disk.  In order to restore the machine exactly the way it was, it is necessary to have a record of the locations of the state databases, and also the configuration of the...

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VXVM 6.1 – What is the meaning of VxVM Exit Codes?

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.

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Solaris SVM – How to check on a running machine which disk was used to boot.

It is often possible that we boot from a Solaris machine from one of the root mirror disk, and after sometime we forget current active disk. And the information of active boot disk is important while we perform SVM maintenance disks. This post will help you...

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VXVM 6.1 – How to get Veritas Volume Accessibility and Usability information using vxinfo?

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

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Solaris – Everything you need to know before you run FSCK

Whenever a file system develops inconsistencies because some unexpected issues, the integrity of the file system needs to be verified.  UNIX has developed a very sophisticated file system integrity check ,fsck utility,  which attempts to verify that all the links and blocks are correctly tied together. This...

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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...

 
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