Re: [Lustre-discuss] ll_ost thread soft lockup

2012-03-19 Thread Robin Humble
On Mon, Mar 19, 2012 at 07:28:22AM -0600, Kevin Van Maren wrote: >You are running 1.8.5, which does not have the fix for the known MD raid5/6 >rebuild corruption bug. That fix was released in the Oracle Lustre 1.8.7 >kernel patches. Unless you already applied that patch, you might want to run

[Lustre-discuss] md and mdadm in 1.8.7-wc1

2012-03-19 Thread Samuel Aparicio
I am wondering if anyone has experienced issues with md / mdadm in the 1.8.7-wc1 patched server kernels.? we have historically used software raid on our OSS machines because it provided a 20-30% throughput in our hands, over raid provided from our storage arrays (coraid ATA over ethernet shelves)

Re: [Lustre-discuss] md and mdadm in 1.8.7-wc1

2012-03-19 Thread Robin Humble
On Mon, Mar 19, 2012 at 10:05:42PM -0700, Samuel Aparicio wrote: >I am wondering if anyone has experienced issues with md / mdadm in the >1.8.7-wc1 patched server kernels.? I've seen an issue: http://jira.whamcloud.com/browse/LU-1115 althought it looks quite different to your problem... still,