I am doing the exact same thing.. But, I build the logical volumes at the
initial configuration using all the devices. If I take a device off, and
restart the box, it won't load the any of logical volumes (as it will be
missing a device).. So, I was wondering if I could find out the device
boundary, so that I can configure log volumes one device at a time. Even if a
few devices are missing, the box should be able to work..
Thanks.
----- Original Message ----
From: Matthew Dharm <[EMAIL PROTECTED]>
To: Alan Stern <[EMAIL PROTECTED]>
Cc: usb usb <[EMAIL PROTECTED]>; linux-usb-users@lists.sourceforge.net
Sent: Tuesday, October 24, 2006 10:36:15 AM
Subject: Re: [Linux-usb-users] SCSI device access
On Tue, Oct 24, 2006 at 09:54:29AM -0400, Alan Stern wrote:
> On Mon, 23 Oct 2006, usb usb wrote:
>
> > Hello,
> >
> >
> >
> > I'm using kernel: 2.6.17.
> >
> > I have a bunch of storage devices (with multiple partitions in each) hooked
> > up to a linux box. The box sees them as separate SCSI devices as expected.
> > I build logical volumes using these partitions to make it appear as 2-3 big
> > storage spaces.
> >
> > I have a requirement in which, I would like to use partitions of only one
> > device/logical volume. Ex: sda, sdb, sdc, sdd ====> big_storage1
> >
> > But, I wouldn't want to touch the other device. But, all these are exported
> > as SCSI devices. They can be randomly added and removed. So, they may not
> > always begin at sda.. Is there a mechanism to do this?
>
> The mechanism is udev.
I think Logical Volumes will also accomplish this, as it stores metadata to
identify each drive on the disk itself.
Matt
--
Matthew Dharm Home: [EMAIL PROTECTED]
Maintainer, Linux USB Mass Storage Driver
A: The most ironic oxymoron wins ...
DP: "Microsoft Works"
A: Uh, okay, you win.
-- A.J. & Dust Puppy
User Friendly, 1/18/1998
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