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Date: Sat, 14 Feb 2009 15:13:31 +0100
From: Christian Franke <Christian.Franke@t-online.de>
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Subject: Re: [PATCH] hdparm.mod - get/set ATA disk parameters
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Christian Franke wrote:
> ...
> New patch below. Function grub_ata_pass_through() now moved to new 
> module ata_pthru.mod.
>

Committed. Now also includes a SMART status check.


grub.cfg example (assumes ata.mod is used):

...
insmod ata_pthru
insmod hdparm

# Make sure disks cannot be locked by an ATA password
hdparm --quiet --security-freeze (ata4)
hdparm --quiet --security-freeze (ata6)

menuentry "Boot" {

  # Check health
  if hdparm --quiet --health (ata4) ; then echo -n ; else
    echo "Warning: SMART status check failed"
    read
  fi

  # Set boot disk to "fast", disable spin down
  hdparm --quiet --aam=254 --standby-timeout=0 (ata4)

  # Set other disk to "quiet", spin down after 5min inactivity
  hdparm --quiet --aam=128 --standby-timeout=60 (ata6)

  # Boot ...
}

menuentry "Memory Test" {

  # Spin down both disks after 10min
  hdparm --quiet --standby-timeout=120 (ata4)
  hdparm --quiet --standby-timeout=120 (ata6)

  # Load memtest ...
}


Christian