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From: Stefan Richter <stefanr@s5r6.in-berlin.de>
To: Ronald <Ronald@ioi.com.tw>
Cc: linux1394-user@lists.sourceforge.net, linux-scsi@vger.kernel.org
Subject: Re: Linux doesn't support bigger than 2TB IEEE-1394 disk
Date: Mon, 04 May 2009 16:49:34 +0200	[thread overview]
Message-ID: <49FF007E.5090108@s5r6.in-berlin.de> (raw)
In-Reply-To: <49FEFF7A.3090603@s5r6.in-berlin.de>

Stefan Richter wrote:
> do you know of a specific series of SBP-2 firmwares which do 
> actually support READ CAPACITY (16) properly but are treated by Linux as 
> if they wouldn't?  If so, we could add a workaround to our drivers to 
> treat them like recent SBC implementations.  We would have to match 
> against their firmware_revision field which you get logged in dmesg if 
> you load the sbp2 or firewire-sbp2 driver with the module parameter 
> workarounds=0x1000.

PS:

# modprobe -r sbp2
# modprobe sbp2 workarounds=0x1000
(plug the disk in, wait 5 or 10 seconds or so)
# dmesg

Use firewire-sbp2 instead of sbp2 if your distribution already uses the 
newer firewire drivers which are alternatively available in recent 
kernel versions.  E.g. on Fedora.
-- 
Stefan Richter
-=====-=-=== -=-= -==-=
http://arcgraph.de/sr/

  reply	other threads:[~2009-05-04 14:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <85681F9DCBFF144DA59C70D83EBC1DA2E1EDE7@EIOISER.ioi.com.tw>
2009-05-04 14:45 ` Linux doesn't support bigger than 2TB IEEE-1394 disk Stefan Richter
2009-05-04 14:49   ` Stefan Richter [this message]
2009-05-04 14:51   ` James Bottomley
2009-05-04 15:06     ` Matthew Wilcox
2009-05-04 18:22       ` Stefan Richter
2009-06-29 18:32     ` Stefan Richter
2009-06-29 20:01       ` [PATCH] firewire: sbp2: add support for disks >2 TB (and CBSs >12 bytes) Stefan Richter
2009-06-29 20:02         ` [PATCH] ieee1394: " Stefan Richter
2009-06-30 18:27           ` [PATCH update] firewire: sbp2: add support for disks >2 TB (and 16 bytes long CDBs) Stefan Richter
2009-06-30 18:28             ` [PATCH update] ieee1394: " Stefan Richter

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