[DRBD-user] Small problems with drbd-udev 8.9.0 on CentOS 6.5

2014-06-27 Thread Giuseppe Ragusa
Hi all, just a small note to notify that I tested (from a self-compiled drbd-8.9.0-1.el6.src.rpm package created from unmodified official sources) drbd-udev 8.9.0 on CentOS 6.5 fully updated with drbd-km 8.4.5 and found that the udev rules are not working as intended (no /dev/drbd/by-res dir nor

Re: [DRBD-user] drbd-user Digest, Vol 119, Issue 24

2014-06-27 Thread Nelson Hicks
On Fri, 2014-06-27 at 10:52 -0400, Allen Chen wrote: > I found an interesting feature from DRBD when I test DRBD compered > with > MD raid1. > I am seeking a "relax" disk backup solution. Of cause, both DRBD and > raid1 can do it. > But I need this feature: if the second node(DRBD) or disk(raid1)

Re: [DRBD-user] drbd-user Digest, Vol 119, Issue 24

2014-06-27 Thread Allen Chen
On 6/27/2014 6:00 AM, drbd-user-requ...@lists.linbit.com wrote: Send drbd-user mailing list submissions to drbd-user@lists.linbit.com To subscribe or unsubscribe via the World Wide Web, visit http://lists.linbit.com/mailman/listinfo/drbd-user or, via email, send a message with su

[DRBD-user] Why use DRBD and not mdadm raid1 for host based mirroring?

2014-06-27 Thread Lars Ellenberg
On Thu, Jun 26, 2014 at 09:12:40AM -0400, Allen Chen wrote: > >When replying, please edit your Subject line so it is more specific > >than "Re: Contents of drbd-user digest..." Learn To Quote ^^^ > >This is host based mirroring. > >md raid1 is meant to do that. > >Why not use it? > > > >Oh, so yo

Re: [DRBD-user] drbd-user Digest, Vol 119, Issue 22

2014-06-27 Thread rf
> "Allen" == Allen Chen writes: Allen> Here is my explanation to use DRBD instead of md raid1: for Allen> md raid1, if one member is physically removed from the Allen> machine, and after you reconnect the same disk to md raid1, Allen> MD will re-sync everything to it. Wrong,