Re: how to detect fiber channel disks

To: Wojciech Ziniewicz <wojciech.ziniewicz@gmail.com>, debian debian-isp <debian-isp@lists.debian.org>
Subject: Re: how to detect fiber channel disks
From: Michael Loftis <mloftis@modwest.com>
Date: Mon, 25 Sep 2006 08:29:18 -0600
Message-id: <[🔎] 7CF8F45AEC8E90FA6EAC8ACF@dhcp-2-206.wgops.com>
In-reply-to: <[🔎] d1473ad90609250601t7d6fchee8578cd05c558f6@mail.gmail.com>
References: <[🔎] d1473ad90609250601t7d6fchee8578cd05c558f6@mail.gmail.com>

--On September 25, 2006 3:01:01 PM +0200 Wojciech Ziniewicz<wojciech.ziniewicz@gmail.com> wrote:

Hello,

I've got HP EVA SAN. For my linux machines - my people presented some
logical volumes that i cannot see - only restart helps..

My FC controllers are qlogic qla2300 ..

Does anyone knows an easy way to detect such disks ?

I've found that for SANs Linux' HotSwap/HotPlug doesn't work atleast in2.4....2.6 with the default/included QLogic drivers don't seem to either.The drivers never report the new devices to the SCSI subsystem. Worse godforbid you don't have a link up when you first boot, after a while it getsdisabled with no way to re-enable it short of a reboot.

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- how to detect fiber channel disks
  - From: "Wojciech Ziniewicz" <wojciech.ziniewicz@gmail.com>

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