Re: 3 way mirror

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On 11/09/2022 13:20, Reindl Harald wrote:


Am 11.09.22 um 13:35 schrieb Gandalf Corvotempesta:
Il giorno dom 11 set 2022 alle ore 12:52 Reindl Harald
<h.reindl@xxxxxxxxxxxxx> ha scritto:
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

Why ? if it's just a single sector, the rest of the disk could be used
properly until the replacement.

i simply don't trust drives which have thrown errors
you don't lose anything when you push it out of the array

That's called paranoia - ALL drives have hiccups when there's absolutely nothing wrong with them. What are the manufacturer's error figures? Expect at least one error every two or three complete passes of pretty much every large big disk nowadays?

What's the point of having thousands of spare sectors, if you chuck the drive in the trash at the first hint of trouble?

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

The option is: i've ordered the new disk, it should arrive this thursday.
If i'm still on the safe side, i'll wait, if not, i'll replace with
the first disk I have here, even if slower

you are clearly on the safe side with 3 mirrors and every rebuild wears out the remaining drives, 1 out of the 3 would be enough since they hold identical data

/dev/sdd: GB Written: 94.134

pretty impossible that both sides of the same mirror will fail within a few hours

You clearly have no clue why London Buses arrive in threes ... :-)

Cheers,
Wol



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