From: Phil Turmel <philip@turmel.org>
To: Paul Richter <iamcomcy@gmail.com>
Cc: Roman Mamedov <rm@romanrm.ru>, linux-raid@vger.kernel.org
Subject: Re: Is this RAID recoverable???
Date: Tue, 03 Jan 2012 09:34:23 -0500 [thread overview]
Message-ID: <4F0311EF.9010102@turmel.org> (raw)
In-Reply-To: <CAHw_BJ3qH+BgAxY3PHFUU_CH2EDf88xvn6V=rV71fzA-xUcLvw@mail.gmail.com>
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Hi Paul,
[Please avoid top-posting on kernel.org lists]
On 01/03/2012 09:22 AM, Paul Richter wrote:
> Hi Phil!
> Thanks for throwing in! Do you have the older default values? I
> suredon't. And how do you add offsets the the --create command?
> mdadm --create --assume-clean /dev/md1 --chunk=4096
> --level=6--raid-devices=6 /dev/sdc1 /dev/sdd1 /dev/sdf1 /dev/sde1
> missingmissing
> Is what I am working with now.
> Many thanks!
The "data offset" is not settable from the command line. The modern
default is 1MB == 2048 sectors. The prior default was something like
264 sectors. To get it, you need to grab an older version of mdadm
(just for the --create operation).
> This 8TB represents the last 8 years of my life on the net. Built
> thisRAID to protect that 'investment'. :'-(
RAID != backup. A common misconception.
> TIA
You're welcome.
Phil
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next prev parent reply other threads:[~2012-01-03 14:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-03 6:41 Is this RAID recoverable??? Paul Richter
2012-01-03 9:37 ` Roman Mamedov
2012-01-03 13:26 ` Phil Turmel
2012-01-03 14:22 ` Paul Richter
2012-01-03 14:34 ` Phil Turmel [this message]
[not found] ` <CAHw_BJ0NEd_RHQqdONkTiq4HO2RWQD3uHUAbQvqca9OGapgmEg@mail.gmail.com>
[not found] ` <CAHw_BJ26omrNdOzc23mCF5ObEG9z8zwmNFrP5h2dkfg_Pj+BNQ@mail.gmail.com>
[not found] ` <4F031C43.6030601@turmel.org>
[not found] ` <CAHw_BJ2Zzivi25zDvd6zj6=85mKRNExEiUgy8HmHVk94mn_FoQ@mail.gmail.com>
2012-01-03 15:42 ` Phil Turmel
[not found] ` <CAHw_BJ1=z-qNq+KXyjV6ZjBfxRdtQM6x1wVpxDQsiW2b-54O_A@mail.gmail.com>
2012-01-03 13:36 ` Roman Mamedov
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