Question: How Do I Scan a New Drive in Linux?
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To scan new FC LUNS and SCSI disks in Linux, you can use the echo script command for a manual scan that doesn’t require a system reboot. But, from Redhat Linux 5.4 onwards, Redhat introduced /usr/bin/rescan-scsi-bus.sh script to scan all the LUNs and update the SCSI layer to reflect new devices.

How do I scan a new hard drive 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.

2 сент. 2020 г.

How do you scan detect new LUNs on Linux?

Follow the steps below to scan the new LUN in OS and then in multipath.

  1. Rescan SCSI hosts: # for host in ‘ls /sys/class/scsi_host’ do echo ${host}; echo “- – -” > /sys/class/scsi_host/${host}/scan done.
  2. Issue LIP to FC hosts: …
  3. Run rescan script from sg3_utils:
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Chloe Bennett

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