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os:linux:general:hotswapscsi [2010/02/09 19:21] – created crustymonkeyos:linux:general:hotswapscsi [2010/02/09 20:38] (current) crustymonkey
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 I found some valuable Linux specific hotswap stuff today for working with hot-swappable SCSI disks.  This should be pretty distro agnostic as well.  I've been using FreeBSD, where you use camcontrol/atacontrol, for so long now that I had kind of forgotten how to do this stuff in Linux.  Now it's time to make a record. I found some valuable Linux specific hotswap stuff today for working with hot-swappable SCSI disks.  This should be pretty distro agnostic as well.  I've been using FreeBSD, where you use camcontrol/atacontrol, for so long now that I had kind of forgotten how to do this stuff in Linux.  Now it's time to make a record.
  
-===== Checking What is Currently in the System =====+====== Checking What is Currently in the System ======
 Good ol' linux and it's ''proc'' pseudo-filesystem.  Essentially, all we are doing is checking a file and echoing commands into the same file for all our operations.  The magic file here is **''/proc/scsi/scsi''**. Good ol' linux and it's ''proc'' pseudo-filesystem.  Essentially, all we are doing is checking a file and echoing commands into the same file for all our operations.  The magic file here is **''/proc/scsi/scsi''**.
  
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 </code> </code>
  
-===== Removing a Device =====+====== Removing a Device ======
  
 Now, first I want to remove the first device since it failed.  Then we will see that it no longer shows up. Now, first I want to remove the first device since it failed.  Then we will see that it no longer shows up.
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 Now you can use your disk: ''/dev/sdc''. Now you can use your disk: ''/dev/sdc''.
 +
 +====== Scan for New Devices ======
 +
 +You can also use the following to scan the SCSI bus for new devices:
 +
 +<code>
 +# echo 'scsi scan-new-devices' > /proc/scsi/scsi
 +</code>
 +
os/linux/general/hotswapscsi.1265743273.txt.gz · Last modified: 2010/02/09 19:21 by crustymonkey