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[linux-lvm] Re: Enterprise Backup Software with good support for LVM



Michael Loftis wrote:


--On November 29, 2005 12:03:39 PM -0600 Mark F <mfaine knology net> wrote:

Could someone suggest an Enterprise Backup package that has good support
for LVM (LVM2 in this case) on Linux (Specifically Suse Linux Enterprise
9) Most products I've seen say they support block level backups but don't
specifically say they support LVM.


LVM provides a block level device. However you don't want to back up there anyway, you'll just end up with corrupt garbage. You need to back up at the filesystem level unless you're using your LVM LVs for Oracle or something similar in which case the backup software needs to support that by putting Oracle or the related application into the correct hot backup mode before attempting to directly read the LVM data, as well as backing up the transaction/redo logs.


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Our data center is using Veritas Netbackup (currently 4.5 but soon to be 5.1). We are preparing some new servers for production and would like to use LVM2 but I'm not sure if this will present a problem for the Veritas Netbackup agent. I don't know if the backup agent software will support it or if it will even know the difference.

Is anyone using it? Or does anyone have any reason to believe it will/won't work?

Thanks,
-Mark


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