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Re: [Xen-users] iSCSI target - run in Dom0 or DomU?

from [Ed W] [Permanent Link][Original]
To: Lucas Santos <lucas.santos@xxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] iSCSI target - run in Dom0 or DomU?
From: Ed W <lists@xxxxxxxxxxxxxx>
Date: Thu, 24 Aug 2006 16:22:15 +0100
Cc: Thomas Harold <tgh@xxxxxxxxxxxx>, Xen-users@xxxxxxxxxxxxxxxxxxx
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Can't you do RAID inside the disk controllers? It's much better than
software hardware (with real raid controllers).
I'm not sure I agree. Years ago I used some really nice Compaq Smartarray things which were simply excellent, but ever since then I have been disappointed by hardware raid. Slow and clunky...
I bought a couple of 3ware cards recently and haven't been impressed with their raid 5 performance at all. 20Mb/s max read/write rates...
Software raid under linux is pretty good and will probably outperform anything but a really top end hardware controller (think decent SCSI cards) 

Ed W

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