From: Helmut Tessarek <tessarek@evermeet.cx>
To: stan hoeppner <stan@hardwarefreak.com>,
Eric Sandeen <sandeen@sandeen.net>,
xfs@oss.sgi.com
Subject: Re: How to format RAID1 correctly
Date: Tue, 23 Sep 2014 23:15:57 -0400 [thread overview]
Message-ID: <5422376D.3000204@evermeet.cx> (raw)
In-Reply-To: <542234F6.4080000@hardwarefreak.com>
On 23.09.14 23:05 , stan hoeppner wrote:
> It confuses many people who are new to md RAID1. The above is the
> *bitmap* chunk size, not the array chunk size. There is no array chunk
> size for RAID1 as there is no striping. You must have striping to have
> chunks. With md RAID1 every 4KB page write is simply mirrored to each
> physical disk.
Thanks for the info. I'm used to big ass storage subsystems, but new to SW
RAID. I seems I have some catching up to do.
--
regards Helmut K. C. Tessarek
lookup http://sks.pkqs.net for KeyID 0xC11F128D
/*
Thou shalt not follow the NULL pointer for chaos and madness
await thee at its end.
*/
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next prev parent reply other threads:[~2014-09-24 3:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-24 0:46 How to format RAID1 correctly Helmut Tessarek
2014-09-24 2:05 ` Helmut Tessarek
2014-09-24 2:07 ` Eric Sandeen
2014-09-24 2:11 ` Helmut Tessarek
2014-09-24 2:21 ` Eric Sandeen
2014-09-24 2:30 ` Helmut Tessarek
2014-09-24 3:05 ` stan hoeppner
2014-09-24 3:15 ` Helmut Tessarek [this message]
2014-09-24 4:09 ` Stan Hoeppner
2014-09-24 15:53 ` Helmut Tessarek
2014-09-24 16:18 ` Eric Sandeen
2014-09-24 19:06 ` Stan Hoeppner
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