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RAID1+0 stripe size for RHEL4

Posted on 2007-03-22
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Last Modified: 2010-05-18
I purchased the HP ProLiant ML 370G5 with dual processor and with two sas hard disk drives of 146 GB and with 2GB of RAM and want to install the redhat enterprise linux version4 , but while configuring the hardware RAID that is RAID 1+0 what should be the best stripe size by default 128KB is highlighted is this okay or it is better to make it 256KB , please suggest me on this .

and also is it required to enable the MAX BOOT ( if enabled it creates 63 sectors ) how this feature will be useful for me , please suggest me
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Question by:D_wathi
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flscott earned 2000 total points
ID: 18782588
It depends on your priorities.  If you are after sheer transfer speed a
smaller stripe size is best because a single transaction is likely to be
spread over multiple disks which then deliver the data in parallel.

On the other hand, if your priority is not the transfer speed of a
single transaction but, instead, the ability to process multiple
transactions in parallel without too much congestion a bigger stripe
size is preferred.

My recommendation for moderately to heavily used file servers with
multiple clients is therefore to use a bigger stripe size.  This also
goes for web servers and DB servers as they are likely to cause multiple
parallel disk transactions as well.
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