Writeback Stalls

Markus Stockhausen stockhausen at collogia.de
Wed Sep 19 13:36:11 CDT 2012


Hello,

I'm not sure if you can help me with the following problem but I must start somewhere.

We have an small sized VMWare infrastructure. 8 hosts with round about 50 VMs. 
Their images are hosted on 2 Ubuntu 12.04 NFS storage servers with each of them
having a 14 disk RAID 6 array. On top of the array runs a single XFS filesystem with 
round about 10TB of disk space.



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