[linux-lvm] LVM over IP network

Ming Zhang mingz at ele.uri.edu
Mon Apr 10 16:35:51 UTC 2006

On Fri, 2006-04-07 at 22:16 -0500, Zac Slade wrote:
> On Friday 07 April 2006 07:59, rarulselvan at sify.com wrote:
> > I do understand that LVM and EVMS are quite useful for managing the disk
> > space in given work station. So I am wondering if there is such thing as
> > LVM over IP network ? so that I can maximize my disk usage. If not, what is
> > my other choice ?
> Why not?  Using iSCSI or ATAoE you can export the extra space from each of the 
> system as devices that will appear to be block devices.  From there you can 
> add them to a vg anytime you want.  Just be careful how you do it because if 
> one of the systems goes off the network you will not have access to the data 
> from that drive.  Also I'm not so sure how well LVM deals with having a drive 
> dissappear out from underneath it.

if one PV lose. u can active a partial VG and do read only LV on good

ps, i do not understand why LV only allow read only access. anybody know


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