From: Avijit Pathania <foulplay@foulplay.org>
To: Mikael Chambon <raid-ml@cronos.org>
Cc: linux-raid@vger.kernel.org
Subject: Re: RAID SYNC
Date: Fri, 11 Jul 2003 06:39:52 -0400 [thread overview]
Message-ID: <3F0E93F8.1030501@foulplay.org> (raw)
In-Reply-To: 017101c34779$37d581a0$c9e903ca@magnus
Looks like you do not have DMA enabled. `dmesg |grep -i dma` to see if
system recognized it and `hdparm -d /dev/hda` to check if it is enabled.
Check if your IDE chipset is configured in the kernel. Or usr
/etc/sysconfig/harddisks to enable it using hdparm.
It should take around 30mins for it to finish resync.
HTH
Avijit
Mikael Chambon wrote:
>Hi Again,
>
>My second question is about RAID sync.
>
>Just for my curiosity, I am testing RAID1 on two empty 110 gig partitions,
>the system takes about 3h30 to resync, why is it taking so long ?
>
>Here is my idea: As the RAID layer has nothing to do with the FS layer,
>the raid driver (I use md) does not and can't see the difference between
>a used block of data and an unused block of data. That's why it has to
>resync everything. Am I right ?
>
>Thanks guys,
>--
>Mikael Chambon
>
>
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prev parent reply other threads:[~2003-07-11 10:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-11 6:54 RAID SYNC Mikael Chambon
2003-07-11 10:39 ` Avijit Pathania [this message]
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