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Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 158FdPJW016857 X-loop: linux-lvm@redhat.com X-Mailman-Approved-At: Tue, 08 Jun 2021 12:44:07 -0400 Cc: "bmarzins@redhat.com" , "zkabelac@redhat.com" , "teigland@redhat.com" , "linux-lvm@redhat.com" , Heming Zhao Subject: Re: [linux-lvm] Discussion: performance issue on event activation mode X-BeenThere: linux-lvm@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-lvm-bounces@redhat.com Errors-To: linux-lvm-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=linux-lvm-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Di, 2021-06-08 at 17:19 +0200, Peter Rajnoha wrote: > On Tue 08 Jun 2021 14:48, Martin Wilck wrote: > > > > Recent multipath-tools ships the "libmpathvalid" library that > > could be used for this purpose, to make the logic comply with what > > multipathd itself uses. It could be used as an alternative to > > libudev > > for this part of the equation. > > Ah, yes, sure! Still, we have the MD in play... That's easier than multipath, because you can check for RAID meta data. > Out of curiosity - if you disable mpath and MD component detection in > lvm.conf, can you still hit the issue? (Of course, if you're not > using > any of the two in your stack.) The performance issue, you mean? Heming would need to answer that. Thanks, Martin _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/