Do you sure there are any cache mode for RAM disk ?
we only find the cache mode for "Image File device"

anton (staff) wrote:For RAM disk it's DOG SLOW. Do you have write-back (or any type of...) cache for RAM-based storage disabled?

atto benchmark result

Did you check the Large drive (AWE mode) option?
yes
In what way was the RAM disk connected to the computer? Locally (127.0.0.1) ?
locally(127.0.0.1)

Bohdan (staff) wrote:Did you check the Large drive (AWE mode) option?
In what way was the RAM disk connected to the computer? Locally (127.0.0.1) ?

thanks for the reply, the same computer ,we have create a iscsi ram disk through StaRWind Free ,the size is 16GB. but the performance very poor. we logon to this iscsi ram disk locally(discover the target using "localhost") ,and test the performance with hd-tune [ ... ] ,the average transf...

1) Bad idea. Use StarWind with caching and SSD back end. 2) Standard 64-bit edition of our RAM disk package supports unlimited capacity (OK, limited with size of your non-paged pool). We have a SAN with SQL Server Temp databases on RAID 10 drives. We are thinking of moving them to memory to get eve...