Re: [DRBD-user] Secondary Performance

2012-12-19 Thread Adam Goryachev
On 20/12/12 09:59, Prater, James K. wrote: > What is/are the actual storage device(s)? The primary has 5 x 480G Intel SSD drives in a RAID5 configuration The secondary has 4 x 2TB WD RE4 drives in a RAID10 configuration RAID is using md raid, then drbd, then LVM, then iSCSI. Neither the primary

[DRBD-user] Secondary Performance

2012-12-19 Thread Adam Goryachev
Hi, I've been having a problem with performance of DRBD while the secondary is connected, and I've tried various things (which have helped) but not resolved the issue. So last night I upgraded to DRBD 8.3.15 and have been running with that for the past 6 hours or so. I also enabled the option: on-

Re: [DRBD-user] Still experiencing resource spikes

2012-12-19 Thread Lars Ellenberg
On Wed, Dec 19, 2012 at 02:08:32PM +1100, Adam Goryachev wrote: > On 19/12/12 01:19, Prater, James K. wrote: > > Hello Andreas, > > > > Thanks for responding, below is a section of my current sysctl.conf file. > > As you can > > see that I used the alternative parameters that you had sent me. T

[DRBD-user] Cluster breaks when restarting secondary

2012-12-19 Thread Alba Ferrer
Hello everybody, we have a problem in a cluster and we haven't been able to find the cause. The cluster is set up with heartbeat 3.0.2 and drbd 8.3.7 on Debian Squeeze and kernel 2.6.32. This works fine when it's up and running, the problem comes when restarting the secondary node. The situation g