[lustre-discuss] mdt mounting error

[Parag Khuraswar]

Hi,

 

For mgt –

mkfs.lustre --servicenode=10.2.1.204 at o2ib --servicenode=10.2.1.205 at o2ib --mgs /dev/mapper/mpathc

 

For mdt 

mkfs.lustre --fsname=home --mgsnode=10.2.1.204 at o2ib --mgsnode=10.2.1.205 at o2ib --servicenode=10.2.1.204 at o2ib --servicenode=10.2.1.205 at o2ib --mdt --index=0 /dev/mapper/mpatha

 

Regards,

Parag

 

 

From: Raj [mailto:rajgautam at gmail.com] 
Sent: Wednesday, November , 2017 4:46 PM
To: Parag Khuraswar; Lustre discussion
Subject: Re: [lustre-discuss] mdt mounting error

 

What options in mkfs.lustre did you use to format with lustre?

On Wed, Nov 1, 2017 at 6:14 AM Parag Khuraswar <parag_k at citilindia.com> wrote:

Hi Raj,

 

Yes, /dev/mapper/mpatha available. 

I could format and mount using ext4.

 

Regards,

Parag

 

 

From: Raj [mailto:rajgautam at gmail.com] 
Sent: Wednesday, November , 2017 4:39 PM
To: Parag Khuraswar; Lustre discussion
Subject: Re: [lustre-discuss] mdt mounting error

 

Parag, 
Is the device /dev/mapper/mpatha available? 
If not, the multipathd may not have started or the multipath configuration may not be correct. 

On Wed, Nov 1, 2017 at 5:18 AM Parag Khuraswar <parag_k at citilindia.com> wrote:

Hi,

 

I am getting below error while mounting mdt. Mgt is mounted. 

 

Please suggest

 

[root at mds2 ~]# mount -t lustre /dev/mapper/mpatha /mdt

mount.lustre: mount /dev/mapper/mpatha at /mdt failed: No such file or directory

Is the MGS specification correct?

Is the filesystem name correct?

If upgrading, is the copied client log valid? (see upgrade docs)

 

Regards,

Parag

 

 

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