ngotuanan1010
Cadet
- Joined
- Apr 11, 2014
- Messages
- 2
Hello everyone,
Firstly, I am a newbie in FreeNas and sorry for my bad English.
I have tried to configure my server as a shared storage for VMWare servers using FreeNas solution. Here is my FreeNas server specs:
Dell R710
1 x Intel(R) Xeon(R) CPU E5504 @ 2.00GHz
Memory 8161MB
Raid Controller: Dell PERC H700
HDD: 2x 146 SAS 15K, 4 x 1TB SATA 7200
I created 2 raid arrays: Raid 1 for 2 x 146 SAS 15K (Array1) and Raid 5 for 4 x 1TB SATA 7200 (Array2)
FreeNAS 9.2 was installed on Array1 and on WebGUI, I could see Array2 as A drive.
I created a ZFS volume, compression = off and shared with NFS.
Inside FreeNas server, I try to use "dd" command for testing performance and I found that the write speed is only from 10 - 12 MB/s at the first time using. After referring some suggestions on some forums, I tried to change some thing related sysctl (http://www.mamisano.com/2009/10/28/freenas-tuning-for-better-performance/) and the write speed is increased to around 30 MB/s
I though it is not expected speed and the problem because of software raid and I had a plan to use RaidZ1. So, I deleted ZFS volume, deleted Array2 and I had 4 none-raid disks. However, after rebooting, I logged in WebGUI and none of hard disks can detected so I could not do anything.
Please give me some advice in my case. Is 30MB/s max speed I can get with SATA 7200 disks?
Look forward to hearing from all of you.
Best Regards,
Ngo An
Firstly, I am a newbie in FreeNas and sorry for my bad English.
I have tried to configure my server as a shared storage for VMWare servers using FreeNas solution. Here is my FreeNas server specs:
Dell R710
1 x Intel(R) Xeon(R) CPU E5504 @ 2.00GHz
Memory 8161MB
Raid Controller: Dell PERC H700
HDD: 2x 146 SAS 15K, 4 x 1TB SATA 7200
I created 2 raid arrays: Raid 1 for 2 x 146 SAS 15K (Array1) and Raid 5 for 4 x 1TB SATA 7200 (Array2)
FreeNAS 9.2 was installed on Array1 and on WebGUI, I could see Array2 as A drive.
I created a ZFS volume, compression = off and shared with NFS.
Inside FreeNas server, I try to use "dd" command for testing performance and I found that the write speed is only from 10 - 12 MB/s at the first time using. After referring some suggestions on some forums, I tried to change some thing related sysctl (http://www.mamisano.com/2009/10/28/freenas-tuning-for-better-performance/) and the write speed is increased to around 30 MB/s
I though it is not expected speed and the problem because of software raid and I had a plan to use RaidZ1. So, I deleted ZFS volume, deleted Array2 and I had 4 none-raid disks. However, after rebooting, I logged in WebGUI and none of hard disks can detected so I could not do anything.
Please give me some advice in my case. Is 30MB/s max speed I can get with SATA 7200 disks?
Look forward to hearing from all of you.
Best Regards,
Ngo An