AlphaServer SC patch kit:

==========================



AlphaServer SC Version : SCv2.5 UK1

Kit Name: e.g SCV25UK1100574

Release Date: 19-Jun-2003 

PTR: 153-2-1122

IPMT Number: CFS.100574 

Abstract: cfs/nfs deadlock 





Descritpion of Patch:

=====================

This fixes a deadlock problem on the client, in particular, the CFS

client of the NFS client.  It resolves a situation where there are a lot of 

I/Os that are queued to the CFS async I/O daemon threads and user threads are 

waiting for the I/O to complete.  This patch resolved a problem with invalidation

of ESTALE i/o errors during this situtaion. 









Prerequisites:

==============

Before installing this Patch kit, you should ensure the following:



1) You have all mandatory patches for this release installed







Kit checksum:

=============

cksum SCV25UK1100574.tar.gz

884433417 876342 SCV25UK1100574.tar.gz



Updated files:

==============

A list of the files included in this patch is given below

along with the cksum values for each file.



# cksum /usr/opt/TruCluster/sys/cfs.mod

481666883 1422654 /usr/opt/TruCluster/sys/cfs.mod





Instructions:

=============

This patch is provided as a setld installable kit.  Unpack it

into a directory that is NFS mounted on all domains e.g.

/nfs/<kit name> and install it as follows:



Do not install this kit on a Management Server.





On Domains:

-----------

    Install the patch as follows:

    # cd /nfs/SCV25UK1100574

    # scrun -d all setld -l /nfs/SCV25UK1100574 SCV25UK1100574

    # scrun -d all BuildKernels

    # scrun -d all DeployKernels

    # sra command -nodes all -command 'shutdown -h now'

    # sra boot -nodes all



    To remove the patch use the following commands:

    # scrun -d all setld -d SCV25UK1100574 

    # scrun -d all BuildKernels

    # scrun -d all DeployKernels

    # sra command -nodes all -command 'shutdown -h now'

    # sra boot -nodes all



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