Re: SCSI Disk/Controller advice please - fun

From: Alvin Oga (aoga_at_ns.Linux-Consulting.com)
Date: 10/30/04

  • Next message: Mike Noonan: "Install help for sparc" 
    Date: Fri, 29 Oct 2004 21:25:18 -0700 (PDT)
To: Ron Johnson <ron.l.johnson@cox.net>

    hi ya ron

    On Fri, 29 Oct 2004, Ron Johnson wrote:

    > I've been using h/w RAID for 10 years, in everything from 60GB
    > (using scads of 4GB devices) to 15TB SANs using 147GB devices,
    > and have *never* *ever* seen what you suggest.
    >
    > I would, literally, fall over dead if I ever saw that happening.

    good , lucky for you ... i seen people do it ... and screw up their
    mirrors and data

    > > > So, what's SCA? None of these controllers says SCA...
    > >
    > > sca is the silly removable connector on the disk and in the chassis to
    > > allow oyu to remove the disk
    >
    > A truly uninformed statement, by someone who must not have ever
    > needed to pull a drive out of a running system.
    >
    > SCA is a great and useful idea, and I wish there was something
    > similar for internal IDE drives.

    since you're the expert, perhaps you can tell everybody what that
    connector is called that is used in the hotswap drive bays
            - the connector that goes on the disk
            - the connector that goes on the drive bay or chassis

    and again, there is a silly equivalent thingies for IDE ... i have some
            - and again, on the ide drive bays, what is that connector called

    - but, the problem with IDE is that the ide drivers is NOT meant to
      hotswap and i've seen pepople pulling out disks too .. wonder why
      some of them call in a panic ?
            - and one can trivially do cold swap of ide disks
            or just buy better quality disk drives in the first place
            and add a silly $10 fan to keep its operating temp down
            ( should be about 30C or so ...
            ( hddtemp will tell you sorta what it is

    - and now days, too many vendors playing with ide cables to make
      it go out of spec ... from what the ide drivers can handle

    c ya
    alvin 

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