Hi Folks,
I've got a server running RH5.2 will several volume groups mounted via iSCSI from an MD3000i. Unfortunately these volume groups were not created with multipathing in mind, so pv's were created using the /dev/sdx devices. I want to enable multipathing on this server but I'm not sure if I can do it with the current setup of if I need to recreate the pv's. Using multipathing before the VGs are created I would pvcreate /dev/mapper/mpathn where mpathn points to the disk devices ie /dev/mapper/mpath1 -> sdb sdc sdd sde /dev/mapper/mpath2 -> sdf sdg sdh sdi etc So if if LVM is currently using /dev/sdx for pv's is it OK to setup multipathing without recreating the pv's from /dev/mapper/mpathn (and losing data) ? If anyone has any thoughts on this I'd appreciate there input. Kind Regards Nick Lunt Managed Services and O/S Analyst Patech Solutions Limited Tel: 01543 444 707 Fax: 01543 444 709 Tame House, Fradley Park, Lichfield, Staffordshire, WS13 8RZ www.patech-solutions.com <http://www.patech-solutions.com/home.htm>
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