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VXVM-Training

veritas volume manager installation step by step guide

This post describe about installation of  VXVM on Solaris node and initialization issues with vxvm after the package installation. Unlike other packages installation,we have installer available in storage foundation bundle to minimize the complex.So no need to use pkgadd commands unless until there is an issue with the installer.Here is step by step guide for vxvm installation with putty output. Environment: Operating system:Solaris 10 Storage Foundation:6.0 you …

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VXVM tutorial 11 – Linked Break-off snapshot

VXVM(VERITAS VOLUME MANAGER TRAINING) 11 OF 12 Linked break-off snapshot In this post we are going to see about Linked break-off snapshot.Unlike the full-sized instant snapshots, this volume can be set up in a different disk group from the data volume and possible to refresh the snapshot .High level plan for backup using Linked break-off snapshot1.Prepare the data volume for snapshot2.Create new diskgroup and …

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VXVM tutorial 10 – Third-mirror break-off snapshots

VXVM(VERITAS VOLUME MANAGER TRAINING) 10 OF 12 In this post, we are going to see traditional mirror break-off snapshot.To perform this snapshot ,we need free space equal to volume size on the diskgroup.It typically perform the volume mirror and it will make the new plex as snapshot volume for backup operations.High Level plan for backup of database volume using third-mirror break-off:1.Prepare the volume for …

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VXVM Tutorial 9 – Space-optimized instant snapshot

 VXVM(VERITAS VOLUME MANAGER TRAINING) 9 OF 10 In this post we are going to see Space-optimized instant snapshot.Unlike other snapshots,we no need equal volume space to generate this snapshot. Using the cache objects,we can create a instant snapshot.Depends on data changes on volume,cache objects size may varied.Ex:Volume size is increasing 100M/per hour,then you need minimum 100MB cache object.If the backJob needs …

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VXVM Tutorial 8 – VXVM Instant Snapshots

 VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot in VXVM 1.Full-sized instant snapshot …

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VXVM Tutorial 7- VXDMP(Dynamic Multi Pathing)

               VXVM(veritas volume manager training) 7 of 10Veritas Dynamic Multi-Pathing provides greater availability, reliability to SAN paths and it increase the SAN I/O using load balancing .SAN path redundancy ensured by path failover. What is multi-pathing software ?Server is connected to SAN using one or more fiber channel(FC) in different controllers.But without multi-pathing software …

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VXVM tutorial-6- Volume online relayout

         VXVM(veritas volume manager training) 6 of 10 VXVM Volume – online Re-layout:In this post we are going to see how to convert the volume from one layout to another layout without un-mounting the volume.You can use the vxassist re-layout command to reconfigure the layout of a volume without taking it offline. Supported re-layout for concatenated volumes 1. Converting a concatenation volume to …

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VXVM Tutorial 5 – Volume resize

                    VXVM(veritas volume manager training) 5 of 10 Volume Resize: VXVM is very flexible and reliable volume manager to resize volumes without un-mounting it. we can re-size the volumes using vxassist and resize filesystem using fsadm.vxresize command will perform both volume and filesystem re-size operation simultaneously. Here we are going to see how to re-size the volume smvol …

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VXVM Tutorial4 – Volume Operations

                     VXVM(veritas volume manager training) 4 of 10VxVM builds volume using virtual objects of VM disks, disk groups, subdisks, and plexes.These virtual objects can organized easily using vxassist command to create new volume.Here we are going to see about how to create a new volumes with different layout and volume redundancy.In the end …

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VXVM Tutorial3 – Diskgroup Operations

                          VXVM(veritas volume manager training) 3 of 10 The vxdg utility performs various diskgroup operations that includes the creation of disk groups, addition of disks in to diskgroup,removing disk from diskgroup.This command performs disk group imports and deports as well.Here we are going to see how create a new diskgroup and adding disks in …

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