[lustre-discuss] lustre-discuss Digest, Vol 154, Issue 3

ANS ans3456 at gmail.com
Thu Jan 3 21:45:04 PST 2019


I think you can create multiple file systems with mgs on single block
device with multiple partitions but there may be performance degradation.

Try creating and run ior on both file systems individually and at a time.

Rgds,
ANS

On Fri, Jan 4, 2019 at 2:50 AM <lustre-discuss-request at lists.lustre.org>
wrote:

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>    1. multiple filesystem creation problem (Jae-Hyuck Kwak)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Thu, 3 Jan 2019 11:57:02 +0900
> From: Jae-Hyuck Kwak <jhkwak at kisti.re.kr>
> To: lustre-discuss at lists.lustre.org
> Subject: [lustre-discuss] multiple filesystem creation problem
> Message-ID: <7b64f8a0-a5f5-faeb-671e-2c3c3f8b686e at kisti.re.kr>
> Content-Type: text/plain; charset=euc-kr; format=flowed
>
> Hi, all,
> I would like to create multiple lustre filesystem. in this case, should
> mgs be on its own dedicated block device?
> I used to create a combined mgs/mdt filesystem on the block device. is
> it possible to multiple combined mgs/mdt filesystem as following?
> # mkfs.lustre --fsname=test0 --mdt --mgs --index=0 --reformat /dev/sdc
> # mkfs.lustre --fsname=test1 --mdt --mgs --index=1 --reformat /dev/sdd
> # mkdir -p /mnt/test0/mdt0
> # mkdir -p /mnt/test1/mdt1
> # mount -t lustre /dev/sdc /mnt/test0/mdt0
> # mount -t lustre /dev/sdd /mnt/test1/mdt1
>
> BR,
> Jae-Hyuck
>
>
>
>
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> End of lustre-discuss Digest, Vol 154, Issue 3
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-- 
Thanks,
ANS.
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