Re: [Linux-cluster] Cross mount of block devices on 2 nodes

2010-07-04 Thread Kaloyan Kovachev
Hi, On Sun, 04 Jul 2010 19:24:03 +0400, AlannY wrote: > Hi there. I'm new in clustering, so I have a question. > > I have 2 nodes. For example, ONE and TWO. On ONE, I can export disk block > device > (via GNBD or iSCSI) to TWO. On TWO, I can export another disk block device > and import > it in

Re: [Linux-cluster] Cross mount of block devices on 2 nodes

2010-07-04 Thread Joseph L. Casale
>Is it possible? Can I append this 2 block devices in one LVM volume group? >Can I format this volume group in GFS2 (or any other cluster filesystem)? > >Is there any pros and cons for this method? Ugh, why reinvent the wheel... Look into DRBD, this essentially does what you want or just use the t

[Linux-cluster] Cross mount of block devices on 2 nodes

2010-07-04 Thread AlannY
Hi there. I'm new in clustering, so I have a question. I have 2 nodes. For example, ONE and TWO. On ONE, I can export disk block device (via GNBD or iSCSI) to TWO. On TWO, I can export another disk block device and import it in ONE. Some, ASCII art: +-+ +---+ | O