What is VxVM in Linux?
VeritasTM Volume Manager (VxVM) by Symantec is a storage management subsystem that allows you to manage physical disks as logical devices called volumes. A VxVM volume appears to applications and the operating system as a physical disk on which file systems, databases and other managed data objects can be configured.
How do I mount a VxFS file system in Linux?
You can mount a VxFS file system by using the mount command. When you enter the mount command, the generic mount command parses the arguments and the -V FSType option executes the mount command specific to that file system type….Mounting a VxFS file system.
| vxfs | File system type. |
|---|---|
| -r | Mounts the file system as read-only. |
How do I know what version of VXDG I have?
- To determine the version of disk group use the vxdg list command as follows:
- Example to determine the disk group version on PRODdg:
- # vxdg -T diskgroup_version upgrade
- # vxdg upgrade
- To check file system layout:
- The vxupgrade command does not upgrade previous disk layouts directly to Version 7.
What is VxFS in Unix?
Linux, Solaris, HP-UX, AIX, SINIX, UnixWare. The VERITAS File System (or VxFS; called JFS and OnlineJFS in HP-UX) is an extent-based file system. It was originally developed by VERITAS Software. Through an OEM agreement, VxFS is used as the primary filesystem of the HP-UX operating system.
How do I create a VxFS file system in Solaris?
The mkfs command creates a VxFS file system by writing to a special character device file….Creating a VxFS file system.
| -t vxfs | Specifies the VxFS file system type. |
|---|---|
| -o N | Displays the geometry of the file system and does not write to the device. |
| -o largefiles | Allows users to create files larger than two gigabytes. The default option is largefiles. |
How install VxVM on Linux?
To install Veritas Volume Manager
- Log in as superuser.
- Run the installer command to install Veritas Volume Manager.
- Enter one or more system names on which Veritas Volume Manager is to be installed.
- After the system check completes successfully, press Return to continue.
- Enter a VxVM license key.
How do I mount a VxFS file system in Solaris?
Create a mount point inside the zone:
- Login to the local-zone: global# zlogin myzone.
- Create a mount point inside the non-global zone: bash-3.00# mkdir -p /mydata.
- Mount the VxFS file system on the mount point: bash-3.00# mount -F vxfs /dev/vx/dsk/data_dg/data_vol /mydata.
How do I remove a disk from VXDG?
VxVM vxdg ERROR V-5-1-552 Disk diskname is used by one or more subdisks Use -k to remove device assignment. Using the -k option lets you remove the disk even if it has subdisks.
How do I resize a Veritas File?
If the file system is mounted and VxFS, you can grow or shrink the size. If a VxFS file system is unmounted, you cannot grow or shrink the size. If the file system is mounted and UFS, you can grow the size only….
| Resizing a file system and the underlying volume | ||
|---|---|---|
| Prev | Resizing a file system | Next |
How do I start volume in VCS?
Starting a volume makes it available for use, and changes the volume state from DISABLED or DETACHED to ENABLED. To start a DISABLED or DETACHED volume, use the following command: # vxvol [-g diskgroup ] start volume If a volume cannot be enabled, it remains in its current state.
What is VxVM in Solaris?
VxVM allows a system administrator to configure various volume layouts for the volume thus allowing high redundancy and high performance.
What are the different versions of the VxFS file system?
This file system has gone through ten versions. Version 2 added support for filesets, dynamic inode allocation and ACLs. Layouts 1-3 stopped being supported in VxFS 4.0. Version 4 added support for storage checkpoints and for Veritas Cluster File System. Version 4 was released in VxFS 3.2.1.
What is the maximum VxFS file system size in Linux?
The maximum VxFS file system size is 256TB. However, for Linux starting from VxFS version 7.4.1 the maximum size per vxfs file system is 5PB. The entire file system space, starting at block 0, is divided into fixed size allocation units (AU) of 32,678 blocks (32k)
Was VxFS the first journaling file system?
That claim can be taken in two ways, i.e., the first implementation of a journaling file system in a commercial context, or the first file system available as an unbundled product. Dan Koren is cited as one of the original developers of VxFS.
What is Veritas Cluster File System (VxFS)?
When run in this mode, VxFS is referred to as Veritas Cluster File System . The Cluster File System provides cache coherency and POSIX compliance across nodes, so that data changes are atomically seen by all cluster nodes simultaneously.