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Selecting a hard drive

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My initial query seems to have disappeared, and I apologize if this is a
duplicate.

I'm thinking of installing a second hard drive in my system for
installing linux, and I have some simple questions for choosing another
drive. I'm presently using a Seagate Barracuda SATA 3.0., 32 MB cache,
and I've been happy with it. 

I have no compelling reason to move from Seagate, but I see some
complaints about Barracuda reliability. Seagate Constellation is
apparently an upgrade, but is too new for much feedback. Is WD
considered more reliable these days than Seagate?

The Seagate Constellation supposedly has higher data integrity, but is a
bit mysterious about just what is involved. Is there anything I have to
worry about in switching to the new Constellation regarding such
features as "PowerChoice" that might be incompatible with my existing
hardware and operating system?

64 MB cache is available, and it seems to have much better read/write
times, but I can't always find the data to compare. Is a move from 32 to
64 MB an obvious step to take if affordable?

There is also the option to move to SATA 6.0 from 3.0. My impression is
that my kernel, 2.6.32-5-686-bigmem provides a controller for SATA 6.0,
but wonder if anyone knows of problems. I assume the cable interface
remains the same.

I imagine a slower rotation speed is good for drive life, noise, etc. as
long as the specs are otherwise the same. What are the advantages of
choosing one speed over another?

Haines Brown

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Selecting a hard drive Haines Brown <haines@HistoricalMaterialism.info> - 2011-09-11 10:51 -0400
  Re: Selecting a hard drive david <none@nospam.com> - 2011-09-11 15:32 +0000
  Re: Selecting a hard drive General Schvantzkoph <schvantzkoph@yahoo.com> - 2011-09-12 00:35 +0000
  Re: Selecting a hard drive Dirk Weber <dirk-weber@web.de> - 2011-09-13 21:40 +0200
    Re: Selecting a hard drive GangGreene <GangGreene@invalid.com> - 2011-09-13 18:42 -0400
      Re: Selecting a hard drive Michael Black <et472@ncf.ca> - 2011-09-13 23:00 -0400
        Re: Selecting a hard drive GangGreene <GangGreene@invalid.com> - 2011-09-14 16:20 -0400
          Re: Selecting a hard drive Roger Blake <rogblake@iname.invalid> - 2011-09-15 01:11 +0000
            Re: Selecting a hard drive Michael Black <et472@ncf.ca> - 2011-09-15 00:03 -0400
            Re: Selecting a hard drive david <none@nospam.com> - 2011-09-15 10:21 +0000
          Re: Selecting a hard drive Michael Black <et472@ncf.ca> - 2011-09-14 23:58 -0400
          Re: Selecting a hard drive David Brown <david@westcontrol.removethisbit.com> - 2011-09-15 09:02 +0200
            Re: Selecting a hard drive GangGreene <GangGreene@invalid.com> - 2011-09-15 05:24 -0400
              Re: Selecting a hard drive Bill Marcum <bill@lat.localnet> - 2011-09-15 09:15 -0400
      Re: Selecting a hard drive Dirk Weber <dirk-weber@web.de> - 2011-09-14 15:15 +0200
    Re: Selecting a hard drive Haines Brown <haines@HistoricalMaterialism.info> - 2011-09-14 07:53 -0400
      Re: Selecting a hard drive Dirk Weber <dirk-weber@web.de> - 2011-09-14 20:27 +0200

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