Physical and Logical Device Name


 
Thread Tools Search this Thread
Operating Systems Solaris Physical and Logical Device Name
# 1  
Old 10-16-2010
Physical and Logical Device Name

Dear all,

Please can anybody explain me in detail what is the different between physical device name file and logical device name file. Please explain me clearly it's my request.

Last edited by Scott; 10-16-2010 at 06:58 AM.. Reason: Removed shouting
# 2  
Old 10-16-2010
please use google BEFORE asking questions... the first hit is something like this:
Explaining Physical and Logical Device Names
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Command to see the logical volume path, device mapper path and its corresponding dm device path

Currently I am using this laborious command lvdisplay | awk '/LV Path/ {p=$3} /LV Name/ {n=$3} /VG Name/ {v=$3} /Block device/ {d=$3; sub(".*:", "/dev/dm-", d); printf "%s\t%s\t%s\n", p, "/dev/mapper/"v"-"n, d}' Would like to know if there is any shorter method to get this mapping of... (2 Replies)
Discussion started by: royalibrahim
2 Replies

2. AIX

AIX unreadable sector Logical or Physical

Hello Folks, I have got this message: When I contacted support, they said this is logical filesystem error and it has to do with the filesystem. How can I find out ? (1 Reply)
Discussion started by: filosophizer
1 Replies

3. Linux

Logical Volume to physical disk mapping

When installing Linux, I choose some default setting to use all the disk space. My server has a single internal 250Gb SCSI disk. By default the install appears to have created 3 logical volumes lv_root, lv_home and lv_swap. fdisk -l shows the following lab3.nms:/dev>fdisk -l Disk... (2 Replies)
Discussion started by: jimthompson
2 Replies

4. UNIX for Dummies Questions & Answers

Confusion Regarding Physical Volume,Volume Group,Logical Volume,Physical partition

Hi, I am new to unix. I am working on Red Hat Linux and side by side on AIX also. After reading the concepts of Storage, I am now really confused regarding the terminologies 1)Physical Volume 2)Volume Group 3)Logical Volume 4)Physical Partition Please help me to understand these concepts. (6 Replies)
Discussion started by: kashifsd17
6 Replies

5. Solaris

Why do controllers differ between physical and logical names

When I look at format I can see the following info: AVAILABLE DISK SELECTIONS: 0. c1t0d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424> /pci@1c,600000/scsi@2/sd@0,0 1. c1t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424> /pci@1c,600000/scsi@2/sd@1,0 Can anyone tell me... (2 Replies)
Discussion started by: James_UK
2 Replies

6. Solaris

physical device name when booted different then at ok prompt

Hi all, I am experimenting with solaris. I noticed that when the machine is booted the physical device name of the root device is different then when I am at the ok prompt: # mount | head -1 / on /dev/dsk/c1t1d0s0 # ls -l /dev/dsk/c1t1d0s0 lrwxrwxrwx 1 root root ... (2 Replies)
Discussion started by: deadeyes
2 Replies

7. HP-UX

Unmount and remove all Logical vol.Volume group and physical disk

Hi, Someone please help me with how i can unmount and remove all the files systems from a cluster. This is being shared by two servers that are active_standby. (3 Replies)
Discussion started by: joeli
3 Replies

8. AIX

Logical volume to raw device

Hy I have several logical volumes that are turned into raw devices used by Informix DB. I would like to add some more. In /dev directory i see logical volumes as block files: lv_name1, lv_name2 ... and i see raw devices defined as character files: rlv_name1, rlv_name2 ... As i see,... (5 Replies)
Discussion started by: veccinho
5 Replies

9. AIX

Physical and Logical IP address

Hi all I need command to give logical and physical IP Address for my machine. thank you (1 Reply)
Discussion started by: magasem
1 Replies

10. UNIX for Dummies Questions & Answers

physical and logical disc, mount etc

say i have a hard disc and like to install unix. I made two partition. plese explain what happens then how devices are created like /dev/hd2 /dev/hd9 etc how /usr/mqm is created. does the directory /usr exist? where ? aslo how we create partition in physical directorY? and link... (0 Replies)
Discussion started by: ajaya
0 Replies
Login or Register to Ask a Question