[Admin-discuss] Fwd: [rb-admins] Murphy Crash

Ryaner ryaner at redbrick.dcu.ie
Thu Dec 11 10:50:14 GMT 2008


There is a way to allow the card to pass straight through to the OS.
Should be a setting on the configuration web app.

On Wed, Dec 10, 2008 at 09:38:00PM +0000, Andrew Martin wrote:
> The problem is that the eight storage disks on minerva are wired into
> the 3ware card. The mainboard only has two spare SATA ports.
> 
> Unless anybody knows any way to plug lots of SATA cables into one port,
> or have the card just allow the OS direct access to each disk? (that
> would be an ideal solution, imo)
> 
> 
> -Andrew
> 
> On Wed, 2008-12-10 at 19:24 +0000, Ryaner wrote:
> > On Wed, Dec 10, 2008 at 06:38:28PM +0000, Andrew Harford wrote:
> > > On Wed, Dec 10, 2008 at 05:21:54PM +0000, Andrew Harford wrote:
> > > > This may be related to the load of nfs traffic, which is something we
> > > > wouldn't have seen in testing.
> > > 
> > > Should have added, this is based on the end of dmesg:
> > > 
> > > <6>nfs server 192.168.0.21:/storage: not responding
> > > <6>nfs server 192.168.0.21:/storage: not responding
> > > panic: kernel text_access_fault: pc=1c14008 va=1c14000
> > > 
> > If the NFS server is still coming from that Encom machine with the 3Ware
> > card, then perhaps it is time to redo the array without using the 3ware
> > system. Maybe also switching back to seperate partitions instead of one
> > big array. Performance from normal md raid is way above what the 3ware
> > card can get. 
> 
> 

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Really??? Imagine that



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