[CentOS] Re: software raid
ssilva at sgvwater.com
Thu Mar 29 18:05:14 UTC 2007
Manish Kathuria spake the following on 3/29/2007 10:29 AM:
> On 3/29/07, tblader <tblader at flambeau.com>
>> One drawback is software raid wants a single ide device on each ide
>> This means buying an ide card (if you want more than two devices)
>> which doesn't
>> always play well with the rest of the system (4+ ide devices). Some
>> might have more than two ide channels, but I just opted for the cheap
>> ide card.
> Can you please confirm the same or refer to some documentation
> indicating that ? I have recently added two HDDs as the slave devices
> on Primary and Secondary IDE channels configured as software raid
> devices where the two master devices on these IDE channels were
> already being used for software raid. Now I have 4 devices on two IDE
> channels with partition pairs configured as RAID-1 devices. So far all
> the raid devices are working fine though I do expect a deterioration
> in performance because of 4 devices on two channels. I would like to
> reconfirm if "single ide device on each ide channel" is true for
> software raid. Comments please.
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