topic How many request queues in SSD DC P3700, P3600, P3500? in Solid State Drives (NAND)

How many request queues in SSD DC P3700, P3600, P3500?

현김2 — Mon, 09 Mar 2015 14:51:58 GMT

I can't find the number of I/O queues in specification document.

Re: How many request queues in SSD DC P3700, P3600, P3500?

ASouz7 — Tue, 10 Mar 2015 12:51:19 GMT

Hello clavez,

We are checking with our engineers. As soon as we have the answer we will let you know.

Re: How many request queues in SSD DC P3700, P3600, P3500?

ASouz7 — Tue, 10 Mar 2015 20:08:05 GMT

Hello clavez,

We would like to inform you that the for the Intel® Solid-State Drive DC P3700 Series and Intel® Solid-State Drive DC P3600 Series we support 31 I/O and 1 Admin in the queue.

Re: How many request queues in SSD DC P3700, P3600, P3500?

현김2 — Wed, 11 Mar 2015 06:45:08 GMT

Thanks you aleki.

I have another questions.

Is it work well with Ubuntu driver?

If it is, how can I control queues?

Create I/O queue or delete I/O queue like that.

Re: How many request queues in SSD DC P3700, P3600, P3500?

ASouz7 — Wed, 11 Mar 2015 16:26:16 GMT

Hello clavez,

Please help us to understand your question better. Are you asking about the Linux I/O scheduler? If that is the case, it is important that you know that any of the I/O schedulers work, but a simple scheduler is best. There is no need to use schedulers that attempt to minimize seek time since SSDs have the same performance no matter where the data is located on the drive.

let us know if this helped you.

Re: How many request queues in SSD DC P3700, P3600, P3500?

현김2 — Thu, 12 Mar 2015 04:05:41 GMT

According to your answer, DC P3600 supports 31 IO queues.

And, let assume that I make request queue for solely handling a specific application.

Then, I want to attach it to one of the DC P3600 IO queues for dedicating job of my request queue.

My question is, is there a command or interface for something like above work?

It is essential for my work:(.