On Saturday August 27, tlg1466@xxxxxxxxxxxx wrote: > Is it possible to take a group of fibre channel drives on a fc-al loop, > run raid 5 on top of them, run lvm on top of that, then gfs on top of > that, and have the entire thing readable/writable by multiple machines > at the same time? I have searched amongst lvm, clvm, evms, nbd, enbd, > linux software raid, etc. but to no avail. I assume that both clvm or > evms would suit me to make the drives available to multiple machine > concurrently, but not allow redundancy. Hopefully I am wrong and this > is in fact possible. I think you are not wrong, sorry (assuming I understand you correctly). md/raid5 cannot be distributed. At any one time, one machine must be in control of the array and managing parity updates etc. The device provided by md/raid5 can obviously be share with GFS or NFS or nbd of whatever. But the management of the actually raid5 array must in the hands of just one machine. NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
