[DRBD-user] Remove DRBD w/out Data Loss

[Eric Robinson]

Yannis –

Here’s what I don’t understand.

The backing device is logical volume: /dev/vg1/lv1

The drbd volume is: drbd0

The filesystem is ext4 on /dev/drbd0

Since the filesystem is built on /dev/drbd0, not on /dev/vg1/lv1, if we remove drbd from the mix, can we then simply do:

# mount /dev/vg1/lv1 /mnt and find all the data there?

--Eric


From: Yannis Milios <yannis.milios at gmail.com>
Sent: Tuesday, September 1, 2020 4:47 AM
To: Eric Robinson <eric.robinson at psmnv.com>
Cc: drbd-user at lists.linbit.com
Subject: Re: [DRBD-user] Remove DRBD w/out Data Loss

You mean completely removing DRBD while preserving the data on its backing device ? That should work out of the box, without any extra effort, as DRBD works as a transparent layer and it does not modify the data on the backing device.

Yannis




On Mon, 31 Aug 2020 at 09:39, Eric Robinson <eric.robinson at psmnv.com<mailto:eric.robinson at psmnv.com>> wrote:













I may have missed this answer when I checked the manual, but we need to convert a DRBD cluster node into standalone server without losing the data. Is that possible?



--Eric









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