From: Phil Turmel <philip@turmel.org>
To: Wols Lists <antlists@youngman.org.uk>,
Gandalf Corvotempesta <gandalf.corvotempesta@gmail.com>,
Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: 3 way mirror
Date: Mon, 12 Sep 2022 08:48:12 -0400 [thread overview]
Message-ID: <ef7f0cb8-3cbd-bf94-d60b-3c604668bd0d@turmel.org> (raw)
In-Reply-To: <3e694d50-a636-3fc8-b662-0268f680c738@youngman.org.uk>
If you suffer a drive failure, your odds of a successful rebuild onto
that spare are decidedly mixed.
https://marc.info/?l=linux-raid&m=139050322510249&w=2
On 9/12/22 04:06, Wols Lists wrote:
> On 12/09/2022 01:58, Phil Turmel wrote:
>> Hi Wol,
>>
>> On 9/11/22 06:08, Wols Lists wrote:
>>
>> [trim /]
>>
>>> old one is still good I'd go for a 3-disk raid-5 plus spare. That's
>>> my current setup.
>>
>> Eww. Don't do that. Always convert raid5+spare to raid6.
>>
> At the moment the fourth drive is, in my mind, a transient backup. I
> don't want to make it an actual part of the array in case I want to
> remove it.
>
> I'm thinking of getting a second matching drive, but seeing as I've
> bought 16TB of drive space in the recentish past, another 8TB seems
> excessive :-)
>
> Cheers,
> Wol
next prev parent reply other threads:[~2022-09-12 12:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-11 9:08 3 way mirror Gandalf Corvotempesta
2022-09-11 9:50 ` Geoff Back
2022-09-11 10:08 ` Wols Lists
2022-09-11 10:21 ` Gandalf Corvotempesta
2022-09-12 0:58 ` Phil Turmel
2022-09-12 8:06 ` Wols Lists
2022-09-12 12:48 ` Phil Turmel [this message]
2022-09-11 10:52 ` Reindl Harald
2022-09-11 11:35 ` Gandalf Corvotempesta
2022-09-11 12:20 ` Reindl Harald
2022-09-11 18:08 ` Wols Lists
2022-09-11 19:11 ` Gandalf Corvotempesta
2022-09-12 8:16 ` Reindl Harald
2022-09-12 8:18 ` Gandalf Corvotempesta
2022-09-12 9:26 ` Roman Mamedov
2022-09-12 9:40 ` Reindl Harald
2022-09-12 13:02 ` Phil Turmel
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