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Veritas™ Volume Manager Administrator's Guide
Last Published:
2018-11-02
Product(s):
InfoScale & Storage Foundation (5.1 SP1)
Platform: HP-UX
- Understanding Veritas Volume Manager
- VxVM and the operating system
- How VxVM handles storage management
- Volume layouts in VxVM
- Online relayout
- Volume resynchronization
- Dirty region logging
- Volume snapshots
- FastResync
- Provisioning new usable storage
- Administering disks
- Disk devices
- Discovering and configuring newly added disk devices
- Discovering disks and dynamically adding disk arrays
- How to administer the Device Discovery Layer
- Changing the disk-naming scheme
- Adding a disk to VxVM
- Rootability
- Displaying disk information
- Removing disks
- Removing and replacing disks
- Administering Dynamic Multi-Pathing
- How DMP works
- Administering DMP using vxdmpadm
- Gathering and displaying I/O statistics
- Specifying the I/O policy
- Online dynamic reconfiguration
- Reconfiguring a LUN online that is under DMP control
- Creating and administering disk groups
- About disk groups
- Displaying disk group information
- Creating a disk group
- Importing a disk group
- Moving disk groups between systems
- Handling cloned disks with duplicated identifiers
- Handling conflicting configuration copies
- Reorganizing the contents of disk groups
- Destroying a disk group
- Creating and administering subdisks and plexes
- Displaying plex information
- Reattaching plexes
- Creating volumes
- Types of volume layouts
- Creating a volume
- Using vxassist
- Creating a volume on specific disks
- Creating a mirrored volume
- Creating a striped volume
- Creating a volume using vxmake
- Initializing and starting a volume
- Using rules and persistent attributes to make volume allocation more efficient
- Administering volumes
- Displaying volume information
- Monitoring and controlling tasks
- Reclamation of storage on thin reclamation arrays
- Stopping a volume
- Resizing a volume
- Adding a mirror to a volume
- Preparing a volume for DRL and instant snapshots
- Adding traditional DRL logging to a mirrored volume
- Enabling FastResync on a volume
- Performing online relayout
- Adding a RAID-5 log
- Creating and administering volume sets
- Configuring off-host processing
- Administering hot-relocation
- How hot-relocation works
- Moving relocated subdisks
- Administering cluster functionality (CVM)
- Overview of clustering
- Multiple host failover configurations
- CVM initialization and configuration
- Dirty region logging in cluster environments
- Administering VxVM in cluster environments
- Changing the CVM master manually
- Importing disk groups as shared
- Administering sites and remote mirrors
- About sites and remote mirrors
- Fire drill - testing the configuration
- Changing the site name
- Administering the Remote Mirror configuration
- Failure and recovery scenarios
- Performance monitoring and tuning
- Appendix A. Using Veritas Volume Manager commands
- Appendix B. Configuring Veritas Volume Manager
Replacing a failed or removed disk
The following procedure describes how to replace a failed or removed disk.
To specify a disk that has replaced a failed or removed disk
- Select Replace a failed or removed disk from the vxdiskadm main menu.
- At the following prompt, enter the name of the disk to be replaced (or enter list for a list of disks):
Select a removed or failed disk [<disk>,list,q,?] mydg02
- The vxdiskadm program displays the device names of the disk devices available for use as replacement disks. Your system may use a device name that differs from the examples. Enter the device name of the disk or press Return to select the default device:
The following devices are available as replacements: c0t1d0 c1t1d0 You can choose one of these disks to replace mydg02. Choose "none" to initialize another disk to replace mydg02. Choose a device, or select "none" [<device>,none,q,?] (default: c0t1d0)
Depending on whether the replacement disk was previously initialized, perform the appropriate step from the following:
If the disk has not previously been initialized, press Return at the following prompt to replace the disk:
VxVM INFO V-5-2-378 The requested operation is to initialize disk device c0t1d0 and to then use that device to replace the removed or failed disk mydg02 in disk group mydg. Continue with operation? [y,n,q,?] (default: y)
If the disk has already been initialized, press Return at the following prompt to replace the disk:
VxVM INFO V-5-2-382 The requested operation is to use the initialized device c0t1d0 to replace the removed or failed disk mydg02 in disk group mydg. Continue with operation? [y,n,q,?] (default: y)
- You can now choose whether the disk is to be formatted as a CDS disk that is portable between different operating systems, or as a non-portable hpdisk-format disk:
Enter the desired format [cdsdisk,hpdisk,q,?] (default: cdsdisk)
Enter the format that is appropriate for your needs. In most cases, this is the default format, cdsdisk.
- At the following prompt, vxdiskadm asks if you want to use the default private region size of 32768 blocks (32 MB). Press Return to confirm that you want to use the default value, or enter a different value. (The maximum value that you can specify is 524288 blocks.)
Enter desired private region length [<privlen>,q,?] (default: 32768)
- The vxdiskadm program then proceeds to replace the disk, and returns the following message on success:
VxVM NOTICE V-5-2-158 Disk replacement completed successfully.
At the following prompt, indicate whether you want to replace another disk (y) or return to the vxdiskadm main menu (n):
Replace another disk? [y,n,q,?] (default: n)