From: Gionatan Danti <g.danti@assyoma.it>
To: LVM general discussion and development <linux-lvm@redhat.com>
Cc: nsoffer@redhat.com, Vojtech Juranek <vjuranek@redhat.com>
Subject: Re: [linux-lvm] Removing VG mappings using dmsetup tool
Date: Tue, 23 Jun 2020 22:37:55 +0200 [thread overview]
Message-ID: <bdaefe2a481fb2f830153dbef1496f16@assyoma.it> (raw)
In-Reply-To: <dff2c51f-70a9-3339-6fe8-06091608b572@redhat.com>
Il 2020-06-23 22:28 Zdenek Kabelac ha scritto:
> Note - you cannot 'remove' mappings 'in-use' (aka open count of a
> device
> is higher then 0 - see 'dmsetup info -c' output for this).
> However you can replace such mapping with 'error' target - so the
> underlaying device is relaxed - although we do not support this
> in lvm2 - you would need to use 'dmsetup' for this (and open lvm2 RFE
> if there would be some serious justifaction).
Not related to oVirt, but I would find a means to set an error target
with LVM quite useful - think about immediately stopping IO to/from
device in case some serious error happended. Using lvm rather than
dmsetup would be easier and less error prone.
Thanks.
--
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it [1]
email: g.danti@assyoma.it - info@assyoma.it
GPG public key ID: FF5F32A8
next prev parent reply other threads:[~2020-06-23 20:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-23 14:26 [linux-lvm] Removing VG mappings using dmsetup tool Vojtech Juranek
2020-06-23 20:28 ` Zdenek Kabelac
2020-06-23 20:37 ` Gionatan Danti [this message]
2020-06-23 21:02 ` Zdenek Kabelac
2020-06-23 21:34 ` Gionatan Danti
2020-06-23 21:53 ` Zdenek Kabelac
2020-06-24 7:46 ` Vojtech Juranek
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