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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] [1019133-4yqc8ex4] LVM hangs after volume change
Date: Thu, 16 Apr 2020 19:06:09 -0400 (EDT)	[thread overview]
Message-ID: <alpine.LRH.2.21.2004161903180.8282@mail.gathman.org> (raw)
In-Reply-To: <da14b5a06730db8e918d925b4e2f1507@administratix>

On Wed, 15 Apr 2020, Shock Media B.V. support wrote:

> We use an mdadm raid-config consisting of 4 or more SSD's/Disks where
> we use part of the disks for a raid1,raid10 or raid5. We create
> volumes on 2 nodes and use DRBD to keep these 2 volumes in sync and we
> run a virtual machine (using KVM) on this volume.

I've used DRBD for an almost identical setup, except only raid1 - we
were even cheaper that you. :->

I would first suspect DRBD hanging - and you should check the queue
stats to see if there is a backlog.  If you are using the paid version
with a userland smart buffering process, check whether that has died.

      reply	other threads:[~2020-04-16 23:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-15 13:14 Shock Media B.V. support
2020-04-16 23:06 ` Stuart D Gathman [this message]

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