Lifehacks

What is UFS in Solaris?

UFS is the default disk-based file system in Oracle Solaris OS. Most often, when you administer a disk-based file system, you are administering UFS file systems. UFS provides the following features. UFS Feature. Description.

What is a ZFS pool?

Instead of forcing you to create virtualized volumes, ZFS aggregates devices into a storage pool. The storage pool describes the physical characteristics of the storage (device layout, data redundancy, and so on) and acts as an arbitrary data store from which file systems can be created.

What is difference between UFS and ZFS file system?

Summary: 1. ZFS is an open source software combined file system that supports high storage capacities; UFS is a file system unique to Unix, and is a removed descendant of the original Version 7 Unix file system.

How do I create a Mountpoint?

To manually mount a USB device, perform the following steps:

  1. Create the mount point: sudo mkdir -p /media/usb.
  2. Assuming that the USB drive uses the /dev/sdd1 device you can mount it to /media/usb directory by typing: sudo mount /dev/sdd1 /media/usb.

How to create a UFS file system?

Creating a UFS File System Before you can create a UFS file system on a disk, the disk must be formatted and divided into slices. A disk slice is a physical subset of a disk that is composed of a single range of contiguous blocks. A slice can be used either as a raw device that provides, for example, swap space, or to hold a disk-based file system.

What’s new in Oracle Solaris ZFS file system?

Oracle Solaris ZFS File System Enhancements to UFS File System Utilities (fsck, mkfs, and newfs) Automatic Search for Backup Superblocks fsckReports When it Needs to be Rerun

Why does my Solaris UFS file system have logging enabled?

A UFS file system with logging enabled that is generally empty will have some disk space consumed for the log. If you upgrade to this Solaris release from a previous Solaris release, your UFS file systems will have logging enabled, even if the loggingoption was not specified in the /etc/vfstabfile.

Which UFS file system commands and utilities support multiterabyte file systems?

All UFS file system commands and utilities have been updated to support multiterabyte UFS file systems. For example, the ufsdumpcommand has been updated with a larger block size for dumping large UFS file systems: