search for: r910

We are currently running CentOS 5 update 4 on a Dell R910 server 16 cores/32 hyperthreaded with 64GB of memory. It is our main Oracle 11g DB server for one of our customers and is attached to an MD 3000 storage array. We are having a load averaging around 5 but see no swap in use, CPUs are pretty much idle and no I/O wait. We have Oracle dataguard turned...

We have DELL R910 with H800 adapter in it. several MD1220 connect to H800. Since MD1220 have 24 hard disks in it. When I configured RAID10, there is a choice call 'single spanned virtual disk" (22 disks). Can anyone tell me how "single spanned virtual disk" work? Any document relate to it?...

...slcd[11420]: [767df3] lookup of user usi660 failed: Invalid DN syntax Mar 5 11:41:46 chadwick kernel: ------------[ cut here ]------------ Mar 5 11:41:46 chadwick kernel: WARNING: at lib/list_debug.c:26 __list_add+0x6d/0xa0() (Not tainted) Mar 5 11:41:46 chadwick kernel: Hardware name: PowerEdge R910 Mar 5 11:41:46 chadwick kernel: list_add corruption. next->prev should be prev (ffff8820531518d0), but was ffff884d4c4594d0. (next=ffff884d4c4594d0). Mar 5 11:41:46 chadwick kernel: Modules linked in: gfs2 dlm configfs bridge autofs4 des_generic ecb md4 nls_utf8 cifs bnx2fc cnic uio fcoe libfc...

I have a dell r910 with rhel6.2 on it and libvirt 0.8. This machine is hosting 12 virtual guests. Every 3 - 5 months the server crashes for no apparent reason. The logs show no kernel panics or other issues causing the crash. The sar logs show a very high context switch count ( approx. 170000). and also high runq-sz...