I came up with the idea of running SnapRAID over iSCSI using a bunch of odroid-HC2 as the iSCSI targets. I am just wondering the opinion on this. I think as it scales up i will start saturating the network of the iSCSI initator however i am not overly concerned about this piece.
I have set this up in a virtual envornment and its appears to be running well.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
This will saturate very early (100MB/s for 1Gb/s network), even single local disc will be faster. A system with local disc will have an I/O rate of 100-150MB/s per disc. This scales well with up to a few disc and is limited usually by memory bandwidth (Parity calculation).
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
After more playing around I do think this doesnt scale very well. However to counter this if you did have a 10 gigabit switch and had a 10 gigabit card on the initiator. But at this point it would be getting pricey. I think it could run reasonable well until you push past saturation.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
I came up with the idea of running SnapRAID over iSCSI using a bunch of odroid-HC2 as the iSCSI targets. I am just wondering the opinion on this. I think as it scales up i will start saturating the network of the iSCSI initator however i am not overly concerned about this piece.
I have set this up in a virtual envornment and its appears to be running well.
This will saturate very early (100MB/s for 1Gb/s network), even single local disc will be faster. A system with local disc will have an I/O rate of 100-150MB/s per disc. This scales well with up to a few disc and is limited usually by memory bandwidth (Parity calculation).
After more playing around I do think this doesnt scale very well. However to counter this if you did have a 10 gigabit switch and had a 10 gigabit card on the initiator. But at this point it would be getting pricey. I think it could run reasonable well until you push past saturation.