Re: shared disks in domU

[Victor Gamov <vitspec%gmail.com@localhost>]

2009/9/8 der Mouse <mouse%rodents-montreal.org@localhost>:
>>> Can anybody explain me how I can create shared RW virtual disk in
>>> two or more domU?
>> What you're doing won't work, and will likely corrupt the file system
>> and/or panic one or both of the machines.

I see

>> The only way I know to do what you want is to use something like NFS.

Yes. but I'll try to find other solution.

> Actually, Victor got exactly what he asked for, a shared RW virtual
> disk.  What he didn't get was what he wanted, a shared RW filesystem.
> (The same issues would arise with any other form of direct sharing of
> the same piece of disk, from two initiators on a SCSI chain to sharing
> an iSCSI target to dual-ported hardware.  As you point out, in the
> current state of filesystems, the only option is to interpose a piece
> of software, such as an NFS server, as an aggregator between the hosts
> and the disk - and make the hosts aware of it, as NFS client code is.)

iSCSI is good point to start

Thanks!

-- 
CU,
Victor Gamov