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I use the below syntax to find newly added LUN from server end. I just wanted to know the exact meaning/ process of "- - -". Can anyone explain me about that?

echo "- - -" > /sys/class/scsi_host/host1/scan

Thanks, Athiri

1 Answer 1

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From RedHat Online Starage Reconfiguration Guide:

echo "c t l" > /sys/class/scsi_host/hosth/scan

h is the HBA number, c is the channel on the HBA, t is the SCSI target ID, and l is the LUN

- is a wildcard sign in that case.

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  • No problem. If I helped, upvote and mark as as answered, please :)
    – mrc02_kr
    Commented Jul 11, 2017 at 13:52
  • Can you tell me to vote. I am not sure about the process.
    – Athiri
    Commented Jul 12, 2017 at 7:49
  • StackExchange Tour
    – mrc02_kr
    Commented Jul 12, 2017 at 7:52

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