Message-Id: <199705300338.UAA285950@dns.ccit.arizona.edu> Date: Thu, 29 May 1997 23:16:41 EDT From: "A. Harry Williams" <mailto:HARRY@VM.MARIST.EDU> Subject: Re: RAID To: mailto:IMAGELIB@LISTSERV.ARIZONA.EDU
On Thu, 29 May 1997 07:13:32 -0700 Mike Betz said: >RAID technology is a method of ensuring data integrity, not access speed.
Technically, its a method of measuring the level of data integrity, levels 0-5, though most people use it to mean RAID level 5.>RAID is the preferred method for servers in general. What RAID provides
>for is the ability of the server to continue to function during a hard
>disk failure without loss of data. It is similar to disk mirrorring.
disk mirrorring is one level of RAID.>
>Access speed is something different, and usually costs. Some softwares use
>caching to increase speed of access.
RAID does have some implications for reduced access speed, which is why they often have cacheing built-in.>
>On Thu, 29 May 1997, Jennifer Brasher wrote:
>
>Mike Betz
mailto:>betz@wln.com >
>> "ello,.
>> I'm after some good articles about RAID technology for image servers.
>> Anyone know of any recently published? I need to have these to convince
>> people around here that images need a special server, faster. I deduce RAID
>> is the way to go? Any opinions? Anyone heard of anything better? ... in the
>> pipeline? Jennifer QCA.
>>
>> VIEWS EXPRESSED ARE PERSONAL,NOT UNIVERSITY POLICY.
>>
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