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From: Reindl Harald <h.reindl@thelounge.net>
To: Gandalf Corvotempesta <gandalf.corvotempesta@gmail.com>,
	Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: 3 way mirror
Date: Sun, 11 Sep 2022 12:52:20 +0200	[thread overview]
Message-ID: <53f5754d-e3e2-a8ba-bedb-07eb2b594595@thelounge.net> (raw)
In-Reply-To: <CAJH6TXj0y_bfJ1q50S7xnTyz_4BSrgNboim9e+zK1nKZX9MR3g@mail.gmail.com>



Am 11.09.22 um 11:08 schrieb Gandalf Corvotempesta:
> let's assume a 3 way mirror (raid1 with 3 disks)
> One disk got a bad sector detrcted by smartd
> what happens trying to read or write to that sector?
> 
> is md smart enough to read from the other 2 disks and serve consistant data?

that's the whole point of RAID

> in other words, can i delay the disk replacement for a couple of days

just throw it out of the array - on a RAID 1 with two disk you have 
still redundancy and i won't trust a disk which recognized that it has 
errors on it's own

> (i've ordered the disk today, will came tuesday)?

what's the point of "can i delay" when you have no other options? :-)

  parent reply	other threads:[~2022-09-11 11:11 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
2022-09-11 10:52 ` Reindl Harald [this message]
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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