Linux RAID subsystem development
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From: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
To: Robin Hill <robin@robinhill.me.uk>
Cc: Linux RAID <linux-raid@vger.kernel.org>, John Stoffel <john@stoffel.org>
Subject: Re: Odd --examine output
Date: Thu, 18 Apr 2013 13:33:42 +0200 (CEST)	[thread overview]
Message-ID: <19242720.12.1366284822099.JavaMail.root@zimbra> (raw)
In-Reply-To: <20130416085857.GB25795@cthulhu.home.robinhill.me.uk>

> > Roy> I still don't understand why people use partitions for RAID
> > when
> > Roy> the whole drive is used anyway. Partitions were invented to
> > Roy> partition things up and are of no use if you want to spend the
> > Roy> whole drive's space for RAID use (or otherwise).
> >
> > Because if I take a 2tb disk a I put a partition on there which is a
> > bit smaller than the full disk, if I then add a new 2tb (or any
> > other
> > size) disk which says it's 2tb, but it's really a bit smaller, then
> > I'm not screwed. I've had it happen.
> >
> Recently? AFAIK, all modern drives (everything over 320G-ish IIRC) use
> standardised sizes (i.e. any 2TB disk will present exactly the same
> number of sectors). I recall reading that all the manufacturers agreed
> to do this to prevent just this sort of issue, though I can't find a
> reference to it now.

Indeed - you have to go back to smaller drives than those in current production to find varying sizes for equally labelled drive sizes.

Vennlige hilsener / Best regards

roy
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Roy Sigurd Karlsbakk
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I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk.
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  reply	other threads:[~2013-04-18 11:33 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <51681FB2.8060803@turmel.org>
2013-04-12 16:47 ` Odd --examine output Vanhorn, Mike
2013-04-12 17:21   ` Phil Turmel
2013-04-15 13:46 ` Vanhorn, Mike
2013-04-15 14:00   ` Phil Turmel
2013-04-15 18:42   ` Roy Sigurd Karlsbakk
2013-04-15 20:13     ` John Stoffel
2013-04-15 16:06       ` Oliver Schinagl
2013-04-16  8:58       ` Robin Hill
2013-04-18 11:33         ` Roy Sigurd Karlsbakk [this message]
2013-04-18 13:03           ` John Stoffel
2013-04-18 14:22             ` Roy Sigurd Karlsbakk
2013-04-18 11:37         ` Roy Sigurd Karlsbakk
2013-04-18  6:32     ` Sam Bingner
2013-04-11 12:47 Vanhorn, Mike
2013-04-11 20:31 ` Vanhorn, Mike
2013-04-11 21:15   ` Phil Turmel

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