[SPDK] Re: Some doubts about spdk attach nvme device

For this scenario, as you described Primary and Secondary, you could use the Multi-Process support by Primary and Secondary processes by setting the same shm_id parameter.

Maybe here just use Process C as the primary to take over both nvme0n1 and nvme1n1 and then process A and process B as secondary to only operate nvme0n1 and nvme1n1 respectively.

-----Original Message-----
From: 徐照钱 <xu_zhaoqian(a)163.com> 
Sent: Tuesday, January 4, 2022 11:27
To: spdk(a)lists.01.org
Subject: [SPDK] Some doubts about spdk attach nvme device

Hi all, I describe a scene: 
processA(primary  --file_prefix=1) has attach nvme0n1, processB(primary --file_prefix=2) has attach nvme1n1. now processC(primary or secondry) want to attach nvme0n1 and nvme1n1 and failed, because I found that the dpdk primary process specifies --file_prefix，then the secondry process must specify the same --file_prefix. Is there any solution?
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