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From: Stephan Austermuehle <au@hcsd.de>
To: linux-lvm@sistina.com
Subject: Re: [linux-lvm] Max storage size per system
Date: Fri Mar  7 08:01:01 2003	[thread overview]
Message-ID: <20030306171539.GA16219@hcsd.de> (raw)
In-Reply-To: <20030306162150.GA11451@gw.silicide.dk>

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On Thu, Mar 06, 2003 at 05:21:50PM +0100, jon+lvm@silicide.dk wrote:

> hmm, that would need 130T/0.146T = 890 disks. And running raid 5...

Please have a look at the following links. A single HDS Lightning
(aka HP XP 1024) can address up to 1,024 disks.

	http://www.hp.com/products1/storage/products/disk_arrays/highend/xp1024/index.html

	http://www.hds.com/products/systems/9900v/

> personaly i dont like raid5, because if you loose more than one disk
> your data are gone, and with this ammount of disks, i expect failure
> rather often. (it's proberly not one big raid5 array, but that just
> makes it need more disks).

I prefer RAID 1 (or RAID 10), too, but sometimes one has to use RAID 5.
A common strategy is to put a higher number of hot spare drives in one
system. Another (somewhat newer) strategy is to use two rotating parity
drives per RAID set.

Stephan

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  reply	other threads:[~2003-03-07  8:01 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-04  8:11 [linux-lvm] Max storage size per system Stephan Austermuehle
2003-03-04  8:30 ` Jon Bendtsen
2003-03-05  7:52   ` Stephan Austermuehle
2003-03-05  9:06     ` Anders Widman
2003-03-05 11:12       ` Jesse Keating
2003-03-06  8:19         ` Stephan Austermuehle
2003-03-06 19:35           ` Petro
2003-03-09 16:59             ` Stephan Austermuehle
2003-03-09 20:09               ` Jesse Keating
2003-03-06  8:19       ` Stephan Austermuehle
2003-03-06 10:23         ` jon+lvm
2003-03-07  8:01           ` Stephan Austermuehle [this message]
2003-03-07  9:37             ` Jon Bendtsen
2003-03-09 16:59               ` Stephan Austermuehle
2003-03-10  3:48                 ` Jon Bendtsen
2003-03-05 11:40     ` Wiktor Wodecki
2003-05-05 14:39       ` [linux-lvm] can i extend a volumen bigger 256 gigas ?thx fnt
2003-05-05 15:20         ` Erik Nugent
2003-05-05 15:40         ` Daniel Barbar
2003-05-05 15:45           ` [linux-lvm] can i extend a volumen bigger 256 gigas ?thx-thanks for ur time fnt
2003-05-05 15:48           ` [linux-lvm] can i extend a volumen bigger 256 gigas ?thx fnt
2003-05-05 15:57         ` Jose Luis Domingo Lopez
2003-03-06  4:21     ` [linux-lvm] Max storage size per system jon+lvm
2003-03-04 11:45 ` Heinz J . Mauelshagen
  -- strict thread matches above, loose matches on Subject: below --
2003-03-05 11:40 Sharad Tiwari
2003-03-05 11:45 re[2]: " Greg Freemyer
2003-03-06  8:19 ` Stephan Austermuehle

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