From: "Bryn M. Reeves" <breeves@redhat.com>
To: device-mapper development <dm-devel@redhat.com>,
"ATARAID (eg, Promise Fasttrak,
Highpoint 370) related discussions" <ataraid-list@redhat.com>,
linux-lvm@redhat.com
Subject: Re: LVM on dmraid breakage
Date: Thu, 02 Aug 2007 11:45:53 +0100 [thread overview]
Message-ID: <46B1B5E1.1050406@redhat.com> (raw)
In-Reply-To: <20070802065012.GA28687@percy.comedia.it>
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Luca Berra wrote:
> Two things come to mind
> 1) dmraid should use ioctl BLKPG_DEL_PARTITION, to clean up any eventual
> partition table on component devices
>
> 2) lvm tool filter could be modified to check if a device has been
> already claimed by device-mapper.
>
But device-mapper already opens devices exclusively when a target claims
them.
The problem here sounds more like it's down to ordering; LVM2 is being
given a chance to scan the devices & build LVs / claim devices before
dmraid gets a look at them.
Kind regards,
Bryn.
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WARNING: multiple messages have this Message-ID (diff)
From: "Bryn M. Reeves" <breeves@redhat.com>
To: device-mapper development <dm-devel@redhat.com>,
"ATARAID (eg, Promise Fasttrak,
Highpoint 370) related discussions" <ataraid-list@redhat.com>,
linux-lvm@redhat.com
Subject: [linux-lvm] Re: LVM on dmraid breakage
Date: Thu, 02 Aug 2007 11:45:53 +0100 [thread overview]
Message-ID: <46B1B5E1.1050406@redhat.com> (raw)
In-Reply-To: <20070802065012.GA28687@percy.comedia.it>
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Luca Berra wrote:
> Two things come to mind
> 1) dmraid should use ioctl BLKPG_DEL_PARTITION, to clean up any eventual
> partition table on component devices
>
> 2) lvm tool filter could be modified to check if a device has been
> already claimed by device-mapper.
>
But device-mapper already opens devices exclusively when a target claims
them.
The problem here sounds more like it's down to ordering; LVM2 is being
given a chance to scan the devices & build LVs / claim devices before
dmraid gets a look at them.
Kind regards,
Bryn.
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Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org
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next prev parent reply other threads:[~2007-08-02 10:45 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-01 20:19 LVM on dmraid breakage Phillip Susi
2007-08-01 20:29 ` Jonathan Brassow
2007-08-01 21:19 ` Phillip Susi
2007-08-01 21:44 ` Jonathan Brassow
2007-08-01 22:12 ` Chandra Seetharaman
2007-08-02 6:50 ` Luca Berra
2007-08-02 6:50 ` [linux-lvm] " Luca Berra
2007-08-02 10:45 ` Bryn M. Reeves [this message]
2007-08-02 10:45 ` Bryn M. Reeves
2007-08-02 21:50 ` Phillip Susi
2007-08-03 0:40 ` David Robinson
2007-08-03 0:40 ` [linux-lvm] Re: [dm-devel] " David Robinson
2007-08-07 21:37 ` Alasdair G Kergon
2007-08-07 21:37 ` [linux-lvm] " Alasdair G Kergon
2007-08-08 21:00 ` Phillip Susi
2007-08-07 21:03 ` Alasdair G Kergon
2007-08-07 21:03 ` [linux-lvm] Re: [dm-devel] " Alasdair G Kergon
2007-08-08 21:04 ` Phillip Susi
2007-08-08 21:45 ` Alasdair G Kergon
2007-08-08 21:45 ` [linux-lvm] Re: [dm-devel] " Alasdair G Kergon
2007-08-09 17:27 ` Phillip Susi
2007-08-10 5:09 ` Luca Berra
2007-08-10 5:09 ` [linux-lvm] Re: [dm-devel] " Luca Berra
2007-08-10 13:49 ` Alasdair G Kergon
2007-08-10 13:49 ` [linux-lvm] Re: [dm-devel] " Alasdair G Kergon
2007-08-10 20:15 ` Phillip Susi
2007-08-03 7:55 ` [linux-lvm] " Luca Berra
2007-08-02 22:04 ` Phillip Susi
2007-08-03 8:11 ` Luca Berra
2007-08-03 8:11 ` [linux-lvm] Re: [dm-devel] " Luca Berra
2007-08-03 18:10 ` Phillip Susi
2007-08-03 19:57 ` Luca Berra
2007-08-03 19:57 ` [linux-lvm] Re: [dm-devel] " Luca Berra
2007-08-03 21:30 ` Phillip Susi
2007-08-04 6:50 ` [dm-devel] " Luca Berra
2007-08-04 6:50 ` [linux-lvm] " Luca Berra
2007-08-06 14:45 ` Phillip Susi
2007-08-07 9:17 ` Luca Berra
2007-08-07 9:17 ` [linux-lvm] Re: [dm-devel] " Luca Berra
2007-08-07 15:58 ` Phillip Susi
2007-08-07 22:01 ` Alasdair G Kergon
2007-08-07 22:01 ` [linux-lvm] Re: [dm-devel] " Alasdair G Kergon
2007-08-08 21:06 ` Phillip Susi
2007-08-07 21:53 ` Alasdair G Kergon
2007-08-07 21:53 ` [linux-lvm] Re: [dm-devel] " Alasdair G Kergon
2007-08-07 21:50 ` Alasdair G Kergon
2007-08-07 21:50 ` [linux-lvm] Re: [dm-devel] " Alasdair G Kergon
2007-08-07 21:40 ` Alasdair G Kergon
2007-08-07 21:40 ` [linux-lvm] Re: [dm-devel] " Alasdair G Kergon
2007-08-07 21:28 ` Alasdair G Kergon
2007-08-07 21:28 ` [linux-lvm] Re: [dm-devel] " Alasdair G Kergon
2007-08-08 21:13 ` Phillip Susi
2007-08-07 21:02 ` Alasdair G Kergon
2007-08-07 21:02 ` [linux-lvm] " Alasdair G Kergon
2007-08-07 20:52 ` Alasdair G Kergon
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