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#1
June 23rd 10, 12:58 PM
posted to comp.sys.ibm.pc.hardware.storage
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be CAREFUL of that for which you wish [esp. for J G Miller]
I finally got a fast connection to read this presentation. Yes, slide 4 mentioned Careful Read & Careful Write. I noticed that there were also Stable Read & Stable Write! But then, do all RAID storage chipsets do them?  On 5/8/2010 21:25, J G Miller wrote: You do not need to do that, since the topic is covered on Slide 4 of the presentation at http://class.ee.iastate.edu/cpre545/lectures/RAID.ppt -- @~@ Might, Courage, Vision, SINCERITY. / v \ Simplicity is Beauty! May the Force and Farce be with you! /( _ )\ (x86_64 Ubuntu 9.10) Linux 2.6.34 ^ ^ 14:55:01 up 23:33 2 users load average: 0.00 0.00 0.00 不借貸! 不詐騙! 不援交! 不打交! 不打劫! 不自殺! 請考慮綜援 (CSSA): http://www.swd.gov.hk/tc/index/site_...sub_addressesa 
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#2
June 23rd 10, 04:32 PM
posted to comp.sys.ibm.pc.hardware.storage
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be CAREFUL of that for which you wish [esp. for J G Miller]
Man-wai Chang wrote:
I finally got a fast connection to read this presentation. Yes, slide 4 mentioned Careful Read & Careful Write. I noticed that there were also Stable Read & Stable Write! But then, do all RAID storage chipsets do them? No, and I have never heard this terminology before. With regard to decay, this is BS. What you need to do is surface scans and potential consistency checks. The read repetition is done by the drive today (less so for RAID edition drives). Writes fail only when the disk is near death, so careful write makes no sense at all. This presentation seems to refer to RAID on historic disks. Arno On 5/8/2010 21:25, J G Miller wrote: You do not need to do that, since the topic is covered on Slide 4 of the presentation at http://class.ee.iastate.edu/cpre545/lectures/RAID.ppt -- @~@ Might, Courage, Vision, SINCERITY. / v \ Simplicity is Beauty! May the Force and Farce be with you! /( _ )\ (x86_64 Ubuntu 9.10) Linux 2.6.34 ^ ^ 14:55:01 up 23:33 2 users load average: 0.00 0.00 0.00 ???! ???! ???! ???! ???! ???! ????? (CSSA): http://www.swd.gov.hk/tc/index/site_...sub_addressesa -- Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F ---- Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans
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