[vox-tech] [fwd] backup solutions for 3 people
Karsten M. Self
kmself at ix.netcom.com
Wed Jun 29 19:28:02 PDT 2005
Correction:
on Wed, Jun 29, 2005 at 07:19:24PM -0700, Karsten M. Self (kmself at ix.netcom.com) wrote:
> Right. Tape is a character (not block) device. a/k/a sequential media.
> You can't get to some point n+1 on the tape without advancing through n
> first. This is opposed to disk, where the time to reach any given point
> is relatively fixed. At worst it's seek + spin: the time for the head
> to seek to the right cylinder, and the time for the disk to spin to the
> right sector. For most current [S]ATA or SCSI drives, this is on the
> order of microseconds. For tape, it's a linear relationship to tape
^^^^^^^^^^^^
Milliseconds. Thousandths, not millionths.
> position.
Peace.
--
Karsten M. Self <kmself at ix.netcom.com> http://kmself.home.netcom.com/
What Part of "Gestalt" don't you understand?
Imagine how unbearably, how unutterably cold the universe would be if one
were all alone.
- Terry Bisson, Meat Beings
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