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

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