From: Patrik Jonsson <patrik@ucolick.org>
To: Yanggun <yang.geum.seok@gmail.com>
Cc: Neil Brown <neilb@suse.de>, linux-raid@vger.kernel.org
Subject: Re: raid1 mysteriously switching to read-only
Date: Sun, 11 Dec 2005 15:14:39 +0100 [thread overview]
Message-ID: <439C344F.9020408@ucolick.org> (raw)
In-Reply-To: <ee0ae26a0512110504y63589bck@mail.gmail.com>
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hello,
Perhaps this can answer some questions:
http://www.tldp.org/HOWTO/Software-RAID-HOWTO.html
cheers,
/Patrik
Yanggun wrote:
> Thank you very much.
>
> Can you inform it is what difference technologically?
>
> Yanggun
>
> 2005/12/10, Neil Brown <neilb@suse.de>:
>
>>On Saturday December 10, yang.geum.seok@gmail.com wrote:
>>
>>>Should I do format after make RAID-1(/dev/md0) device?
>>
>>Yes. format (mkfs) must come AFTER make RAID1 (mdadm -C).
>>
>>>After I format disks(/dev/sda1, /dev/sdb1), do not you compose to
>>>RAID-1?
>>
>>Don't format sda1 or sdb1. Compose the RAID-1 first, and then format
>>md0.
>>
>>NeilBrown
>>
>
> -
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next prev parent reply other threads:[~2005-12-11 14:14 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-27 23:39 [PATCH md 000 of 18] Introduction NeilBrown
2005-11-27 23:39 ` [PATCH md 001 of 18] Improve read speed to raid10 arrays using 'far copies' NeilBrown
2005-11-27 23:39 ` [PATCH md 002 of 18] Fix locking problem in r5/r6 NeilBrown
2005-11-27 23:39 ` [PATCH md 003 of 18] Fix problem with raid6 intent bitmap NeilBrown
2005-11-27 23:39 ` [PATCH md 004 of 18] Set default_bitmap_offset properly in set_array_info NeilBrown
2005-11-27 23:40 ` [PATCH md 005 of 18] Fix --re-add for raid1 and raid6 NeilBrown
2005-11-27 23:40 ` [PATCH md 006 of 18] Improve raid1 "IO Barrier" concept NeilBrown
2005-11-27 23:40 ` [PATCH md 007 of 18] Improve raid10 " NeilBrown
2005-11-27 23:40 ` [PATCH md 008 of 18] Small cleanups for raid5 NeilBrown
2005-11-27 23:40 ` [PATCH md 010 of 18] Move bitmap_create to after md array has been initialised NeilBrown
2005-11-27 23:40 ` [PATCH md 011 of 18] Write intent bitmap support for raid10 NeilBrown
2005-11-27 23:40 ` [PATCH md 012 of 18] Fix raid6 resync check/repair code NeilBrown
2005-11-27 23:40 ` [PATCH md 013 of 18] Improve handing of read errors with raid6 NeilBrown
2005-11-30 22:33 ` Carlos Carvalho
2005-12-01 2:54 ` Neil Brown
2005-11-27 23:40 ` [PATCH md 014 of 18] Attempt to auto-correct read errors in raid1 NeilBrown
2005-11-29 16:38 ` Paul Clements
2005-11-29 23:21 ` Neil Brown
2005-11-27 23:40 ` [PATCH md 015 of 18] Tidyup some issues with raid1 resync and prepare for catching read errors NeilBrown
2005-11-27 23:40 ` [PATCH md 016 of 18] Better handling for read error in raid1 during resync NeilBrown
2005-11-27 23:41 ` [PATCH md 017 of 18] Handle errors when read-only NeilBrown
2005-12-10 6:41 ` Yanggun
2005-12-10 6:59 ` raid1 mysteriously switching to read-only Neil Brown
2005-12-10 7:50 ` Yanggun
2005-12-10 8:02 ` Neil Brown
2005-12-10 8:10 ` Yanggun
2005-12-10 12:10 ` Neil Brown
2005-12-11 13:04 ` Yanggun
2005-12-11 14:14 ` Patrik Jonsson [this message]
2005-12-11 14:29 ` Yanggun
2005-12-11 17:13 ` Ross Vandegrift
2005-12-11 23:28 ` Yanggun
2005-11-27 23:41 ` [PATCH md 018 of 18] Fix up some rdev rcu locking in raid5/6 NeilBrown
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