Re: [ClusterLabs] Removing DRBD w/out Data Loss?

2020-09-10 Thread Lars Ellenberg
On Tue, Sep 08, 2020 at 02:33:37PM +, Eric Robinson wrote: > I checked the DRBD manual for this, but didn't see an answer. We need > to convert a DRBD cluster node into standalone server and remove DRBD > without losing the data. Is that possible? I asked on the DRBD list > but it didn't get mu

Re: [ClusterLabs] Removing DRBD w/out Data Loss?

2020-09-09 Thread Valentin Vidić
On Wed, Sep 09, 2020 at 12:10:54PM +, Eric Robinson wrote: > With DRBD stopped, wipefs only showed one signature... > > [root@001db01 ~]# wipefs /dev/vg0/lv0 > offset type > > 0x438ext4 [filesystem

Re: [ClusterLabs] Removing DRBD w/out Data Loss?

2020-09-09 Thread Strahil Nikolov
I would play safe and leave drbd run , but in single node mode (no peers). As it won't replicate - it should be as close to bare metal as possible. Best Regards, Strahil Nikolov В сряда, 9 септември 2020 г., 15:11:06 Гринуич+3, Eric Robinson написа: Valentin -- With DRBD stopped, wi

Re: [ClusterLabs] Removing DRBD w/out Data Loss?

2020-09-09 Thread Eric Robinson
Valentin -- With DRBD stopped, wipefs only showed one signature... [root@001db01 ~]# wipefs /dev/vg0/lv0 offset type 0x438ext4 [filesystem] UUID: 2035aabe-b6e1-4313-a022-9518eb74

Re: [ClusterLabs] Removing DRBD w/out Data Loss?

2020-09-09 Thread Eric Robinson
: 2035aabe-b6e1-4313-a022-9518eb7489e6 > -Original Message- > From: Users On Behalf Of Valentin Vidic > Sent: Tuesday, September 8, 2020 10:10 AM > To: users@clusterlabs.org > Subject: Re: [ClusterLabs] Removing DRBD w/out Data Loss? > > On Tue, Sep 08, 2020 at 02:33:37PM

Re: [ClusterLabs] Removing DRBD w/out Data Loss?

2020-09-08 Thread Valentin Vidić
On Tue, Sep 08, 2020 at 02:33:37PM +, Eric Robinson wrote: > I checked the DRBD manual for this, but didn't see an answer. We need to > convert a DRBD cluster node into standalone server and remove DRBD without > losing the data. Is that possible? I asked on the DRBD list but it didn't get >

Re: [ClusterLabs] Removing DRBD w/out Data Loss?

2020-09-08 Thread Eric Robinson
That's great information! We will give it a try on a test server first. > -Original Message- > From: Users On Behalf Of Valentin Vidic > Sent: Tuesday, September 8, 2020 10:10 AM > To: users@clusterlabs.org > Subject: Re: [ClusterLabs] Removing DRBD w/out Data Loss

[ClusterLabs] Removing DRBD w/out Data Loss?

2020-09-08 Thread Eric Robinson
I checked the DRBD manual for this, but didn't see an answer. We need to convert a DRBD cluster node into standalone server and remove DRBD without losing the data. Is that possible? I asked on the DRBD list but it didn't get much of a response. Given: The backing device is logical volume: /de