how to use fstrim?

xfs

To:	"xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
Subject:	how to use fstrim?
From:	Stefan Priebe <s.priebe@xxxxxxxxxxxx>
Date:	Fri, 26 Jul 2013 20:17:21 +0200
Cc:	"xfs-masters@xxxxxxxxxxx" <xfs-masters@xxxxxxxxxxx>
Delivered-to:	xfs@xxxxxxxxxxx
User-agent:	Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130620 Thunderbird/17.0.7

Hi,

what is the right way to use fstrim on top of XFS? just doing fstrim -v-m 4194304 /

results sometimes (might depend on disk i/o) to hanging tasks and stacktraces - fstrim needs > 5 min in these cases.


Thanks!

Greets,
Stefan

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