Search found 12 matches

by Lex
Tue May 06, 2025 6:16 am
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Best practices for min latency / max throughput?
Replies: 7
Views: 16421

Re: Best practices for min latency / max throughput?

No replication, VLAN or Teaming is involved. The HA array controllers work as a single array from the hosts perspective. Attached is a full mesh network diagram of my environment. Each array port has a unique IP, so I am making 16 connections to the array. Without MPIO, this results in 16 LUNs for E...
by Lex
Sun May 04, 2025 5:18 pm
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Best practices for min latency / max throughput?
Replies: 7
Views: 16421

Re: Best practices for min latency / max throughput?

I don't see a way to avoid Multipath if I want to ensure high availability. There will always be more than 1 path to a device for reliability reasons. With that in mind, when you suggest 1 session per link, do you mean choose a single path, of the many available, for each physical path from the host...
by Lex
Sun May 04, 2025 3:58 am
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Best practices for min latency / max throughput?
Replies: 7
Views: 16421

Re: Best practices for min latency / max throughput?

Update: tested setting numa per connection to match and the numa mode in windows and don't see any appreciable difference.
by Lex
Sun May 04, 2025 12:18 am
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Best practices for min latency / max throughput?
Replies: 7
Views: 16421

Re: Best practices for min latency / max throughput?

additional info: I'm leveraging 16 ports on the array side, and 2 x dual port NICs on the host side for connectivity...so I wonder about connection defaults: I noticed that by default, numa node 0 is selected for all connections with firstcore 0. Does this peg the connection to that numa node? If so...
by Lex
Sat May 03, 2025 11:10 pm
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Best practices for min latency / max throughput?
Replies: 7
Views: 16421

Best practices for min latency / max throughput?

Hi Folks, I am connected to NVMe-oF devices from a remote enterprise array via RoCE fabric switches (Arista), have applied what I believe are Mellanox best practices for lossless RoCEv2 on Windows, and have configured MPIO. However, the minimum latency I am able to achieve (1T/QD1 reads of 4k) is in...
by Lex
Fri May 02, 2025 12:35 am
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Limited to 8 LUNs?
Replies: 12
Views: 19338

Re: Limited to 8 LUNs?

Alright, THAT did the trick. I now see the 10 LUNs provisioned to the host. If possible, in future releases, it would be great have this be either dynamic or at least set to a logical limit in line with the underlying operating system. Windows supports 26 lettered volumes by default, with 2 typicall...
by Lex
Wed Apr 30, 2025 11:51 pm
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Limited to 8 LUNs?
Replies: 12
Views: 19338

Re: Limited to 8 LUNs?

The value was not in that location either, but I added it, rebooted, disconnected all paths and reconnected. Unfortunately, there is no change...still 8 LUNs connected out of 10.
by Lex
Wed Apr 30, 2025 7:26 pm
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Limited to 8 LUNs?
Replies: 12
Views: 19338

Re: Limited to 8 LUNs?

Nope, confirmed that disconnecting all and reconnecting (following registry change + reboot) has no effect on LUNs connected. Still limited to 8. StarNVMeoF Controller Application v 2.0.0.672 Our Miniport #2 (ver 2.0 build 672) HostId 7958DA786AF086D7-A86FE9ADF955F16E, HostName a09-23 NET_LUID: 0x60...
by Lex
Wed Apr 30, 2025 6:30 pm
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Limited to 8 LUNs?
Replies: 12
Views: 19338

Re: Limited to 8 LUNs?

Okay, I have done as suggested and the system comes up with the same 8 drives. Please see the attachment and let me know if this is correct.

Must I disconnect all paths and reconnect in order to see the change?
by Lex
Wed Apr 30, 2025 5:34 pm
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Limited to 8 LUNs?
Replies: 12
Views: 19338

Re: Limited to 8 LUNs?

Only "BusType" is available under Parameters.
by Lex
Wed Apr 30, 2025 5:22 pm
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Limited to 8 LUNs?
Replies: 12
Views: 19338

Re: Limited to 8 LUNs?

Thank you for this guidance, but I don't see MaxNamespaces in the location you specified. If this is something I can create, please let me know if it goes in the root of the 000# folder and the value type (dword, etc)
by Lex
Wed Apr 30, 2025 1:39 am
Forum: StarWind NVMe-oF Initiator [+Free], Deduplication Analyzer, RDMA Performance Benchmark
Topic: Limited to 8 LUNs?
Replies: 12
Views: 19338

Limited to 8 LUNs?

I have presented 10 LUNs from storage to my Windows 2019 initiator over RoCEv2, and while each connection is successful, it only sees 8 of the 10 volumes presented to the host from the array. Is this a Starwind Initiator limitation? Any settings I am overlooking which would unlock more volumes?