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@mikehale
Created June 4, 2015 06:00
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#!/usr/bin/env ruby
# Shows the physical location of each disk
DEVICE_NAME = "sata_sil24"
FORMAT = {
:scsi_id => 0..12,
:media => 13..20,
:bus => 21..29,
:model => 30..46,
:rev => 47..52,
:dev => 53..63,
:size => 64..71,
}
def device_to_id(device)
Dir["/dev/disk/by-id/ata-*"].entries.detect do |e|
File.readlink(e) =~ /#{File.basename(device)}$/
end || "<>"
end
devices = `lsscsi -H`.split($/).
map{|l| l.scan(/\[(\d+)\]\s+(\S+)/) }.
map(&:first).
select{|d| d[1] == DEVICE_NAME }.map(&:first)
info = `lsscsi -s`.split($/).map do |l|
m = {}
FORMAT.each {|key, index|
m[key] = l[index].strip
}
m[:scsi_id] = m[:scsi_id].scan(/\[(\d:\d):\d:\d\]/).first.first
m[:dev] = device_to_id(m[:dev])
m
end
tower_devices = info.select{|i| i[:scsi_id] =~ /#{devices.join("|")}/}.sort_by{|i| i[:scsi_id] }
puts "|----------------------------------------------------------------------|"
tower_devices.each do |i|
data = [
i[:scsi_id].ljust(4),
i[:dev].ljust(56),
i[:size].rjust(8)
].join(" ")
puts "|#{data}|"
puts "|----------------------------------------------------------------------|"
end
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