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Thanks for the heads up Sil. There's nothing wrong with how things are but I had a spare new drive just sitting here and thought that I should use it with the laptop to increase storage capacity as well as for transferring subs to back to my main system or another computer if I'm not on the network. I could also leave them on there making it a backup.
Then I thought that I should just save the subs directly to the external USB drive to save some time from having to transfer them all at the end of each imaging session.
Since the drive will only be used to store subs I figured why not optimise it to suit the size of my subs. Being USB I know that read/write speeds will be slower than the internal SSD but thought that with an increased block size I might be able maximise what's left.
I understand you will always be limited by the speed of the USB interface but data speeds never reach their theoretical potential. Anyway I've been playing with different block sizes in relation to my sub sizes and found that using 4096KB has made a difference. Read/write speeds are faster than the default 128KB. It's nothing revolutionary but it is an improvement and it didn't cost anything to try.
I'll probably get a bigger SSD later but for now this seems to working well.
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