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List: centos
Subject: Re: [CentOS] Moving from mdadm raid 0 to single disk
From: Valeri Galtsev <galtsev () kicp ! uchicago ! edu>
Date: 2022-01-12 2:18:06
Message-ID: a79ca4a2-1b79-a8eb-5cec-b33120baacfa () kicp ! uchicago ! edu
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On 1/11/22 8:50 PM, Alexandre Leonenko wrote:
> Thanks,
>
> That's what I'll probably be doing then.
Great. Don't miss Jonathan's answers. His are very instructive and with
deep insights, as always.
Valeri
>
> Alex
> ________________________________
> From: CentOS <centos-bounces@centos.org> on behalf of Valeri Galtsev <galtsev@kicp.uchicago.edu>
> Sent: Tuesday, January 11, 2022 5:21 PM
> To: centos@centos.org <centos@centos.org>
> Subject: Re: [CentOS] Moving from mdadm raid 0 to single disk
>
>
>
> On 1/11/22 8:11 PM, Alexandre Leonenko wrote:
>> Hey all,
>>
>> Hopefully a quick question. I'm going to move the filesystem of a raid 0 mdadm to a single disk.
>> The filesystem is just a data drive, can I just dd if=/dev/md0 of=/dev/sdc ?
>> Or should I rather rsync the files directly?
>
> I would [partition disk; make new filesystem, mount, then] use rsync.
> You avoid copying nuisances if there are any on old filesystem. You
> avoid the need to resize partition on new disk, and expand filesystem.
> You avoid waste of time copying empty space. You can have different
> disklabel (it old was MSDOS and you want GPT). And few other things.
>
> I hope, thins helps.
>
> Valeri
>
>>
>> Regards,
>> Alex
>>
>> _______________________________________________
>> CentOS mailing list
>> CentOS@centos.org
>> https://lists.centos.org/mailman/listinfo/centos
>
> --
> ++++++++++++++++++++++++++++++++++++++++
> Valeri Galtsev
> Sr System Administrator
> Department of Astronomy and Astrophysics
> Kavli Institute for Cosmological Physics
> University of Chicago
> Phone: 773-702-4247
> ++++++++++++++++++++++++++++++++++++++++
> _______________________________________________
> CentOS mailing list
> CentOS@centos.org
> https://lists.centos.org/mailman/listinfo/centos
> _______________________________________________
> CentOS mailing list
> CentOS@centos.org
> https://lists.centos.org/mailman/listinfo/centos
--
++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
++++++++++++++++++++++++++++++++++++++++
_______________________________________________
CentOS mailing list
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https://lists.centos.org/mailman/listinfo/centos
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