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#1 2010-07-03 11:51:52

Milena
Member
Registered: 2010-04-02
Posts: 67

Software RAID0 for Video Editing+Storage: What Stripe Block Size ?

Hi

I'm planning to setup a raid0 with 2x 2TB HDD's to store and edit the videos from my digital camera on it. The most files will have a size of 5 to 15GB. In the past i had raid0's on RHEL with the (old) default stripe block size of 64kb. Since the new drive will only contain very big files would it be better to go with 512kb stripe block size ? 512 is also the default setting now in the gnome disk utility which i use for my partitions.

Another question: Does the so called "raid lag" exist ? I think i've seen occasional stuttering in movies when they're played from a raid0/5 without cache enabled in the player (with cache its fine). Games also seem to occasional freeze when installed on raid (I had this problem in the past with wine games installed on raid0, they sometimes freeze when they try to load data which never occurred ever on a normal HDD).

Many thanks in advance for your suggestions

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