Re: Designating an OSD as a spare

[Drew Weaver <drew.weaver@xxxxxxxxxx>]

Yes,

 

Eventually however you would probably want to replace that physical disk that has died and sometimes with remote deployments it is nice to not have to do that instantly which is how enterprise arrays and support contracts have worked for decades.

 

I understand your point from a purely technological standpoint but I was approaching it from more of a logistical standpoint.

 

I suppose just leaving a disk in the system that isn’t being used would be good enough as well.

 

Thanks.

-Drew

 

 

From: Paul Emmerich [mailto:paul.emmerich@xxxxxxxx]
Sent: Thursday, June 21, 2018 9:16 AM
To: Drew Weaver <drew.weaver@xxxxxxxxxx>
Cc: ceph-users <ceph-users@xxxxxxxxxxxxxx>
Subject: Re: [ceph-users] Designating an OSD as a spare

 

Spare disks are bad design. There is no point in having a disk that is not being used.

Ceph will automatically remove a dead disk after 15 minutes from the cluster, backfilling

the data onto other disks.

 

Paul

 

2018-06-21 14:54 GMT+02:00 Drew Weaver <drew.weaver@xxxxxxxxxx>:

Does anyone know if it is possible to designate an OSD as a spare so that if a disk dies in a host no administrative action needs to be immediately taken to remedy the situation?

 

Thanks,

-Drew

 

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Paul Emmerich

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