How Do I Rescan a Disk in Ubuntu?

Sophia Al-Mansoor
Sophia Al-Mansoor
• • 4 min read

Contents How Do I Scan a New Disk in Ubuntu? Example for System Disk Without Reboot: Rescan the Bus for the New Size: # Echo 1 > /Sys/Class/Block/Sda/Device/Res...

How Do I Rescan a Disk in Ubuntu?
Contents

How do I scan a new disk in Ubuntu?

Example for system disk without reboot:

  1. Rescan the bus for the new size: # echo 1 > /sys/class/block/sda/device/rescan.
  2. Expand your partition (works with ansible): # parted —pretend-input-tty /dev/sda resizepart F 2 Yes 100% – F for Fix – 2 for partition – Yes to confirm – 100% for whole partition.

Must Read

How do I rescan a disk in Linux?

How to scandetect new LUN’s & SCSI disks in Linux?

  1. Scan each scsi host device using /sys class file.
  2. Run the “rescan-scsi-bus.sh” script to detect new disks.
Sophia Al-Mansoor

Sophia Al-Mansoor

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Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.

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