Tag Archives: NFS

The Curious Case of Missing Quota Report on Volume

A week ago one of my old colleagues ask some help with an error he has on one of his servers, I was happy to oblige.

He had several servers all working exactly the same, same hardware, same OS and same configuration (apart from IP’s).
One of his server crashed and after the reboot one of his batch scripts stopped working specifically on this server.
The script tried to determind if a specific volume (for example: /mnt/volA) exist and have enougth free space,
This he did by invoking the “df” command and the “quota” command (Or their equivalent in the specific language).

What he found was:
While running: “df -k /mnt/volA” he got the correct line and response,
But on the other hand when he tried to run “quota -v |grep “/mnt/volA” the quota command didn’t return the volume.
This was particulary wierd because this volume was NFS volume with specified quota (set on the NFS server) – moreover the volume did apeer on the other servers when you looked for it when you’ve used “quota” Continue reading The Curious Case of Missing Quota Report on Volume

SshFS for Windows and Why

As an IT and Information Security administrator in the past and the present I’ve needed time and time again to find elaborate solutions to protect the company I’m in (several companies in the past) against threats from outside and from within (also against user’s mistakes or stupidity).

One of the main issues IT guys face are user permissions and specifically data access permissions.
For example, you don’t want a user to be able to see company bills, employee’s salaries and management documents.

One particular issue that has risen again and again in several companies I’ve worked for is the main storage handled with NFS. Continue reading SshFS for Windows and Why