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From: Stuart D Gathman <stuart@gathman.org>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] convert logical sector -> physical sector + pv/vg extent number
Date: Thu, 6 Jan 2022 08:47:09 -0500 (EST)	[thread overview]
Message-ID: <19a37b3-165e-78fb-f36-f86af8b18b26@gathman.org> (raw)
In-Reply-To: <a6e37c26-77c4-2a8e-ab81-3a909c477a47@web.de>

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On Mon, 3 Jan 2022, Roland wrote:

> any chance to get retrieve this information for automated/script based
> processing ?

You might find this script enlightening:

https://github.com/sdgathman/lbatofile

It maps bad sectors to partition,LV,file,etc

The relevant function for your question is findlv()
Some of the commands run are:

pvdisplay --units k -m '/dev/lvm_pv'
pvs --units k -o+pe_start '/dev/lvm_pv'

> Am 03.01.22 um 00:12 schrieb Andy Smith:
>>  On Sun, Jan 02, 2022 at 08:00:30PM +0100, Roland wrote:
>>>  if i have a logical sector/block "x" on a lvm logical volume ,  is there
>>>  a way to easily calculate/determine (optimally by script/cli) the
>>>  corresponding physical sector of the physical device it belongs to and
>>>  the extent number of the appropiate pv/vg where it resides ?

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      parent reply	other threads:[~2022-01-06 14:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-02 19:00 [linux-lvm] convert logical sector -> physical sector + pv/vg extent number Roland
2022-01-02 23:12 ` Andy Smith
2022-01-03 11:13   ` Roland
2022-01-03 16:43     ` Roland
2022-01-06 13:47     ` Stuart D Gathman [this message]

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