Questions tagged [lsblk]

124 questions
3
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1 answer

How does lsblk obtain sector size?

My disk is sda. There is the size file /sys/dev/block/8:0/size. Its unit is sectors. When I run strace lsblk I can see it reading this file. But how does lsblk get the sector size to later show the total disk size in bytes? Because I cannot see…
zomega
  • 972
2
votes
1 answer

lsblk doesn't show size on some partitions

(Ubuntu 20.04) lsblk -f shows: NAME FSTYPE LABEL UUID FSAVAIL FSUSE% MOUNTPOINT --- nvme0n1 ├─nvme0n1p1 ntfs…
Albert
  • 699
0
votes
2 answers

Why the output of lsblk have almost the same lines?

lsblk -d -o NAME,SIZE,TYPE | grep disk show me the such things sda 894.3G disk sdb 894.3G disk sdc 3.7T disk sdd 3.7T disk nbd0 64G disk Are the sda and sdc have sdb and sdd similarly physical devices? Either they're "physical" and…
palmasd1
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0
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1 answer

lsblk incorrect readonly

Hi I'm trying to detect ro filesystem mainly for root partition This is portable system using usb as OS disk The state is readonly, I cannot write anything touch /tmp touch: setting times of '/tmp': Read-only file system lsblk output lsblk…
wpsd
  • 101
0
votes
3 answers

What is the issue with lsblk command in some server display full details and it is not other

What is the issue with lsblk command in some servers displaying full details and it is not others? Examples: Server 1 ~]$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 745.2G 0 disk ├─sda1 8:1…
Maan
  • 21
0
votes
1 answer

How to output only dev names and types in lsblk?

I intend to get a list of all partitions with their corresponding types but arranged in the proper tree order. This is what I get with lsblk -o NAME,TYPE -i sda disk |-sda1 part |-sda2 part |-sda3 part |…
Jones G
  • 115
0
votes
1 answer

lsblk -o serial only 8 characters

I like doing lsblk -o type,name,label,partlabel,size,model,serial,wwn,uuid for the serial option it reports only 8 characters. I just had two samsung ssd's, one with serial S3TANY0K123456 and another with S3TANY0K654321 and lsblk reports just…
ron
  • 6,575
0
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2 answers

lsblk - what are the possible values for the column "state"

I am creating an overview site of my hard drives (HDD) I have installed in a machine. That website requests the HDDs including the state through a lsblk command. I want to indicate the status (state) on the website by a traffic light system but the…