100% I've setup This before several times, I also use the same configuration for my customers... I'm Just wondering if this is a bug with current version? 1. And customers have a good performance, right? 2. No, we have not notieced the performance issue with the current build. 3. What SSD disks do ...

David,

Did you configure everything by this guide?
https://www.starwindsoftware.com/resour ... erver-2016

Thank you for report. Could you please create a replica, and test same HA device? We need this for deep undestarding of the performance issue. Also, below you can find the best practices for RAID controller: RAID5 on SSD: Disk cache policy: default/enabled; Read policy: No Read Ahead; Write Policy: ...

Hello Gordon, Thank you for your feedback and evaluation of the product. First of all please find the configuration guide for vSphere 6.0 and 6.5: https://www.starwindsoftware.com/resource-library/starwind-virtual-san-2-node-compute-and-storage-separated-scenario-with-vmware-vsphere-6-0 https://www....

Hello,

What version of ESXi do you use?
Please be aware 6.5 is not supported yet.

Hello, Could you please try next: 1. Use Microsoft DiskSPD utility for benchmarking: https://gallery.technet.microsoft.com/DiskSpd-a-robust-storage-6cd2f223 Below are few commands for cmd and several patterns: diskspd.exe -t6 -b4K -r -w0 -o64 -d60 -h -L -c50G D:\test.io > c:\test\4k_random_readSSD.t...

Hello dfir,

Could you please create a case on support@starwind.com and title it as "Performance issue, forum request".
I think we need to do the remote session and browse your config.
Thank you in advance.

Hello kb9jlo,

kb9jlo wrote:The drive shows up in VMware, has data on it. But now I'm afraid to use it.

Could you please check whether in VMware storage is available from 10.1.155.15 host?
If not, you can recreate a replica from the partner host to current host and your device should be avaialble from both.

Hello dfir,

Did you test your environment with Eager Zeroed?

Hello Joonas, Could you please enable L3 logs and try again to mount? How to enable L3 logs: 1. In StarWind Management Console click on Server name 2. Choose Configuration tab in right site 3. Open Advanced Settings 4. Choose Log Rotation 5. In log Level type "3" After that please collect ...

Hello Joonas Sorry, still doesn't mount... Did you do the procedure below on both nodes? 1). Stop StarWind service; 2). Locate Starwind device folder and rename .splumap and .spvmap files extension in folder where failed devices located; 3) Start Starwind service; 4) Wait for the mounting progress; ...

Hello dfir,

dfir wrote: All of my VMs are using disk type of Thick Provisioned Lazy Zeroed.

We do recommend using Eager Zeroed. This option can boost your performance.
Is there any chance you can use it?

Hello Joonas, I recollected the logs. They are on the FTP server in folder under my name. I have sent them to R&D guys. Once I get a report I will update you. Hi! Would it be good to have 10G: sync+iSCSI; 10G: sync+iSCSI; 1G: heartbeat + management; 1G: general VM internet trafic? It would not b...

Hello Naresh,

Basically, enabling of Jumbo Frames could degrade the speed on 1 Gb channels.
In addition,when JF are enabled on 10 Gb channels and switch is only 1 Gb, them could freeze production.
It is known issue and in most cases depends on network adapter driver.

Grypht,

Thank you for questions.
Please do not hesitate to contact us whether you have any questions.