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From: Brian Tinsley <btinsley@emageon.com>
To: reiserfs-list@namesys.com
Cc: Alan Robertson <alanr@unix.sh>
Subject: [Fwd: Re: [ogfs-dev]Re: [Linux-ha-dev] Re: GFS with MD/LVM (Was: Using RAID1 SCSI disks with heartbeat)]
Date: Fri, 29 Nov 2002 21:43:02 -0600	[thread overview]
Message-ID: <3DE833C6.3000009@emageon.com> (raw)

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  Hey guys,

Can someone clarify this please?


-------- Original Message --------
Subject: Re: [ogfs-dev]Re: [Linux-ha-dev] Re: GFS with MD/LVM (Was: 
Using RAID1 SCSI disks with heartbeat)
Date: Fri, 29 Nov 2002 19:01:14 -0700
From: Alan Robertson <alanr@unix.sh>
Reply-To: linux-ha-dev@lists.community.tummy.com
Organization: IBM Linux Technology Center
To: linux-ha-dev@lists.community.tummy.com
CC: Greg Freemyer <Greg.Freemyer@TruStorage.com>, OpenGFS 
<opengfs-devel@lists.sourceforge.net>
References: <20021129211032.BZIW24110.mtiwmhc13.worldnet.att.net@TAZ2> 
<3DE7EF45.20903@unix.sh> <20021130013240.Y25901@vestdata.no>



Ragnar Kjørstad wrote:
> On Fri, Nov 29, 2002 at 03:50:45PM -0700, Alan Robertson wrote:
> 
>>I think EVMS has (or will have soon) r/w snapshots.
>>
>>
>>>WIth r/w snapshots, the process can be: snapshot, clean, mount.  I think that 
>>>could be done 
>>>with no FS support.  
>>
>>The FS support is still preferred because the integrity of the volume is 
>>still better (nothing held in cache).  Some filesystems can still process 
>>journals on readonly filesystems.  IIRC, ReiserFS does that.
> 
> 
> I don't think so. Reiserfs had to be patched to work with lvm snapshots
> as well.

Originally it needed patches, but I was under the impression that those 
patches were now in the base code.


-- 
     Alan Robertson 

"Openness is the foundation and preservative of friendship....  Let me claim 
from you at all times your undisguised opinions." - William Wilberforce


_______________________________________________________
Linux-HA-Dev: Linux-HA-Dev@lists.community.tummy.com
http://lists.community.tummy.com/mailman/listinfo/linux-ha-dev
Home Page: http://linux-ha.org/


-- 
Brian Tinsley
Chief Systems Engineer
Emageon


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             reply	other threads:[~2002-11-30  3:43 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-30  3:43 Brian Tinsley [this message]
2002-12-01 19:38 ` [Fwd: Re: [ogfs-dev]Re: [Linux-ha-dev] Re: GFS with MD/LVM (Was: Using RAID1 SCSI disks with heartbeat)] Hans Reiser

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