linux-kernel - mpt2sas/sd_mod: Adding back a removed disk handle

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Date:	Mon, 15 Jul 2013 18:08:09 +0200
From:	Ole Tange <ole@...ge.dk>
To:	linux-kernel@...r.kernel.org
Subject: mpt2sas/sd_mod: Adding back a removed disk handle

One of my disks had a slight hiccup. This caused mpt2sas to remove the
handle to the disk. In my kernel log I get:

mpt2sas1: removing handle(0x0021), sas_addr(0x500304800182694c)

By reseating the disk physically I can get mpt2sas to pick up the disk
again, but can I somehow through software ask mpt2sas to detect the
drive again without physically reseating the drive?

I tried:

   parallel 'echo "- - -" >' ::: /sys/class/scsi_host/host*/scan

but that did not pick up the drive.

The drive is sitting in an enclosure
http://www.supermicro.com/products/chassis/4u/847/sc847e26-rjbod1.cfm
connected by http://www.lsi.com/channel/products/storagecomponents/Pages/LSISAS9200-8e.aspx

/Ole
(Please Cc answers - not subscribed to the list)
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