From: "Mathias Burén" <mathias.buren@gmail.com>
To: Roman Mamedov <rm@romanrm.ru>
Cc: Joe Landman <joe.landman@gmail.com>, Ed W <lists@wildgooses.com>,
linux-raid@vger.kernel.org
Subject: Re: HBA Adaptor advice
Date: Fri, 20 May 2011 13:36:02 +0100 [thread overview]
Message-ID: <BANLkTimvU-Roo=u0OmKjv=9YwtvJ-3cKQA@mail.gmail.com> (raw)
In-Reply-To: <20110520183413.64fe3ccc@natsu>
On 20 May 2011 13:34, Roman Mamedov <rm@romanrm.ru> wrote:
> On Fri, 20 May 2011 08:18:32 -0400
> Joe Landman <joe.landman@gmail.com> wrote:
>
>> Second off, you can turn any of the expensive RAID cards into an 'JBOD'
>> by doing something like this:
>>
>> 1) have the unit configured in RAID mode
>>
>> 2) build virtual disks out of single drives, as RAID0.
>>
>> 3) iterate 2 until you exhaust your drives.
>>
>> 4) make sure you prevent these drives from messing with your boot drive
>> order ... some bioses "helpfully" reorganize new drives for you by
>> messing with this list.
>>
>> Once the drive is a 1 disk RAID0, you get the cache, and the BBU for the
>> cache. Yeah, its a little weird. But it does work (we've done this
>> with some LSI8888's).
>
> But can you then access SMART of the individual drives?
> Or will you see only some bogus block devices which do not accept SMART
> commands, do not return real drive identity, and present themselves as RAID0
> #1, RAID0 #2 etc. instead?
>
> --
> With respect,
> Roman
>
Depends on the controller; e.g.
smartctl -A -d 3ware,$I /dev/twa0
smartctl -A -d megaraid,$I /dev/sda
(where $I is the port on the controller)
/M
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next prev parent reply other threads:[~2011-05-20 12:36 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-19 12:26 HBA Adaptor advice Ed W
2011-05-19 12:36 ` Roman Mamedov
2011-05-19 12:43 ` Mathias Burén
2011-05-19 14:06 ` Michael Sallaway
2011-05-19 19:10 ` Thomas Harold
2011-05-19 21:12 ` Rudy Zijlstra
2011-05-19 21:07 ` Brad Campbell
2011-05-20 20:58 ` Tobias McNulty
2011-05-20 21:23 ` Brad Campbell
2011-05-20 2:08 ` Andy Smith
2011-05-20 5:30 ` Stan Hoeppner
2011-05-21 9:52 ` Ed W
2011-05-20 7:33 ` Ed W
2011-05-20 10:21 ` Stan Hoeppner
2011-05-21 11:17 ` Ed W
2011-05-21 11:29 ` Rudy Zijlstra
2011-05-21 11:54 ` Ed W
2011-05-21 17:37 ` Leslie Rhorer
2011-05-22 9:41 ` Stan Hoeppner
2011-05-22 10:03 ` Rudy Zijlstra
2011-05-23 9:32 ` Ed W
2011-05-21 17:05 ` Leslie Rhorer
2011-05-22 9:04 ` Stan Hoeppner
2011-05-22 10:09 ` Brad Campbell
2011-05-22 19:25 ` Stan Hoeppner
2011-05-22 20:57 ` Tobias McNulty
2011-05-22 21:13 ` Johannes Truschnigg
2011-05-23 9:48 ` Ed W
2011-05-23 10:44 ` John Robinson
2011-05-22 23:19 ` Brad Campbell
2011-05-23 4:09 ` Roman Mamedov
2011-05-23 5:54 ` Brad Campbell
2011-05-23 6:08 ` Roman Mamedov
2011-05-23 10:42 ` Stan Hoeppner
2011-05-23 11:35 ` David Brown
2011-05-23 6:54 ` Stan Hoeppner
2011-05-23 7:23 ` Brad Campbell
2011-05-22 23:44 ` Brad Campbell
2011-05-23 0:07 ` Brad Campbell
2011-05-23 5:30 ` Stefan /*St0fF*/ Hübner
2011-05-23 10:18 ` Ed W
2011-05-23 9:58 ` Stan Hoeppner
2011-05-23 10:33 ` Ed W
2011-05-23 11:21 ` Stan Hoeppner
2011-05-20 12:18 ` Joe Landman
2011-05-20 12:34 ` Roman Mamedov
2011-05-20 12:36 ` Mathias Burén [this message]
2011-05-20 12:48 ` Joe Landman
2011-05-20 13:21 ` Ed W
2011-05-20 14:23 ` Joe Landman
2011-05-20 20:01 ` Andy Smith
2011-05-20 20:12 ` Stan Hoeppner
2011-05-20 20:24 ` Drew
2011-05-20 20:58 ` Stan Hoeppner
[not found] ` <4DD7A100.2010807@wildgooses.com>
2011-05-22 8:13 ` Stan Hoeppner
-- strict thread matches above, loose matches on Subject: below --
2011-05-23 2:11 Jim Schatzman
2011-05-23 3:39 ` Tobias McNulty
2011-05-23 10:42 ` Ed W
2011-05-23 11:14 HBA Adaptor Advice Ed W
2011-05-23 11:55 ` Joe Landman
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