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Re: [dm-devel] Is there a way to see updated contents of a DM target's underlying device while the DM target is in use?
- From: Alasdair G Kergon <agk redhat com>
- To: "Riches Jr, RobertX M" <robertx m riches jr intel com>
- Cc: "Dm-Devel Mailing List Send-To Address \(dm-devel redhat com\)" <dm-devel redhat com>
- Subject: Re: [dm-devel] Is there a way to see updated contents of a DM target's underlying device while the DM target is in use?
- Date: Thu, 1 Jul 2010 02:01:37 +0100
On Thu, Jul 01, 2010 at 01:51:57AM +0100, Alasdair G Kergon wrote:
> Add conv=odirect to dd
> Add blockdev --flushbufs after other writes.
Applications like lvm2 have those things built in to guarantee metadata
consistency at application level.
Alasdair
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