Re: Fwd: Ceph Storage Migration from SAN storage to Local Disks

[David Turner <david.turner@xxxxxxxxxxxxxxxx>]

Just add the new storage and weight the old storage to 0.0 so all data will move off of the old storage to the new storage.  It's not unique to migrating from SANs to Local Disks.  You would do the same any time you wanted to migrate to newer servers and retire old servers.  After the backfilling is done, you can just remove the old osds from the cluster and no more backfilling will happen.

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David Turner | Cloud Operations Engineer | StorageCraft Technology Corporation 380 Data Drive Suite 300 | Draper | Utah | 84020 Office: 801.871.2760 | Mobile: 385.224.2943

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From: ceph-users [ceph-users-bounces@xxxxxxxxxxxxxx] on behalf of Gaurav Goyal [er.gauravgoyal@xxxxxxxxx]
Sent: Tuesday, August 02, 2016 9:19 AM
To: ceph-users
Subject: [ceph-users] Fwd: Ceph Storage Migration from SAN storage to Local Disks

Dear Ceph Team,

I need your guidance on this.

Regards

Gaurav Goyal

On Wed, Jul 27, 2016 at 4:03 PM, Gaurav Goyal <er.gauravgoyal@xxxxxxxxx> wrote:

Dear Team,

I have ceph storage installed on SAN storage which is connected to Openstack Hosts via iSCSI LUNs.

Now we want to get rid of SAN storage and move over ceph to LOCAL disks.  

Can i add new local disks as new OSDs and remove the old osds ?

or

I will have to remove the ceph from scratch and install it freshly with Local disks?

Regards

Gaurav Goyal

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