Re: How to mount different ceph FS using ceph-fuse or kernel cephfs mount

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Hi John,

 

I tried the below option for ceph-fuse & kernel mount. Below is what I see/error.

 

1)      When trying using ceph-fuse, the mount command succeeds but I see parse error setting 'client_mds_namespace' to 'dataX' .  Not sure if this is normal message or some error

2)      When trying the kernel mount, the mount command just hangs & after few seconds I see mount error 5 = Input/output error. I am using 4.9.15-040915-generic kernel on Ubuntu 16.x

 

--

Deepak

 

-----Original Message-----
From: John Spray [mailto:jspray@xxxxxxxxxx]
Sent: Wednesday, March 22, 2017 6:16 AM
To: Deepak Naidu
Cc: ceph-users
Subject: Re: [ceph-users] How to mount different ceph FS using ceph-fuse or kernel cephfs mount

 

On Tue, Mar 21, 2017 at 5:31 PM, Deepak Naidu <dnaidu@xxxxxxxxxx> wrote:

> Greetings,

> 

> 

> 

> I have below two cephFS “volumes/filesystem” created on my ceph

> cluster. Yes I used the “enable_multiple” flag to enable the multiple

> cephFS feature. My question

> 

> 

> 

> 1)      How do I mention the fs name ie dataX or data1 during cephFS mount

> either using kernel mount of ceph-fuse mount.

 

The option for ceph_fuse is --client_mds_namespace=dataX (you can do this on the command line or in your ceph.conf)

 

With the kernel client use "-o mds_namespace=DataX" (assuming you have a sufficiently recent kernel)

 

Cheers,

John

 

> 

> 2)      When using kernel / ceph-fuse how do I mention dataX or data1 during

> the fuse mount or kernel mount

> 

> 

> 

> 

> 

> [root@Admin ~]# ceph fs ls

> 

> name: dataX, metadata pool: rcpool_cepfsMeta, data pools:

> [rcpool_cepfsData ]

> 

> name: data1, metadata pool: rcpool_cepfsMeta, data pools:

> [rcpool_cepfsData ]

> 

> 

> 

> 

> 

> --

> 

> Deepak

> 

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