[Lustre-discuss] Clients frozen during pressure test

[Alexey Lyashkov]

On Mon, 2009-08-03 at 22:10 +0800, Lu Wang wrote:
> Dear list , 
> 		I am doing pressure test for a new 10-OSS Lustre file system using 70 client node. (each server has 10Gb Ethernet connection, each client has 1Gb Ethernet connection, there are 3 OST on 3 RAID6 volulme for one OSS)
> 		Each time, after about 4 hours, clients began to be frozen one after another. command "lfs check osts" shows that the frozen clients cannot access some OSTs. 
> 		error: check 'testfs-OST0007-osc-c9b82800': Resource temporarily unavailable (11)
> 		error: check 'testfs-OST0008-osc-c9b82800': Resource temporarily unavailable (11)
> 		error: check 'testfs-OST0009-osc-c9b82800': Resource temporarily unavailable (11)
> 
> and  command "lctl ping server" , shows "Input/Out put error"
looks something wrong with network link, or nodes OST[7-9] is down -
panic, deadlock, or other.



-- 
Alexey Lyashkov <Alexey.Lyashkov at Sun.COM>
Sun Microsystems