Post thumbnail of Fixing slow or broken NFS mounting issues
9 November 2009
Continue reading Fixing slow or broken NFS mounting issues

Fixing slow or broken NFS mounting issues

Make sure a firewall rule isn’t blocking NFS. If NFS is running on the server and clients _can_ mount, but it’s just really slow, then things get a little hairly. You can’t just look for a problem on a client or a fix a misconfigured server. You’ll have to look at the whole ball of wax… If MTU mismatch doesn’t seem to be a problem, try going the other way and increasing the MTU size. Use the traceroute command to look for unexpected routing hops or delays.

Post thumbnail of Disable oplocks in a heterogeneous Samba / NFS environment
21 October 2009
Continue reading Disable oplocks in a heterogeneous Samba / NFS environment

Disable oplocks in a heterogeneous Samba / NFS environment

Opportunistic locking is part of the Windows client file caching mechanism. Samba implements opportunistic locking as a server-side component of the client caching mechanism. Samba/CIFS doesn’t play nice with NFS, so if you’re in a mixed environment where some windows machines access and modify the same files that Linux or Solaris touch through NFS, then disable the oplocks. This is important for things like database files to avoid corruption!

Post thumbnail of Remote Desktop from Linux to Windows with all the bells & whistles
9 April 2009
Continue reading Remote Desktop from Linux to Windows with all the bells & whistles

Remote Desktop from Linux to Windows with all the bells & whistles

This lets you access your Linux home directory and local DVD drive from Windows without having to set up additional cifs/nfs mounts. My home directory is an NFS mount from another server, so you should be able to access *any* file system that is available on your Linux side.

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Post thumbnail of Cheap RAID storage
12 March 2009
Continue reading Cheap RAID storage

Cheap RAID storage

RAID storage has come down in price in a very short period of time. Is there really any point to spending tens of thousands for small workgroups?

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