no_root_squash doesn't seem to work. Should the machine be re-booted for the change to take effect? Your help is appreciated.
Thanks, Ashwin. Frank Smith wrote: > --On Friday, September 20, 2002 11:43:51 -0400 Ashwin Bijur > <[EMAIL PROTECTED]> wrote: > >> We use amanda 2.4.2p2 on Red Hat Linux 7.3. We have nfs mounted a >> directory on the amanda server called /xtreme23/scratch. Some of the >> subdirectories and files under the scratch directory have permission >> 600. The /etc/exports file on the xtreme23 >> machine has the scratch directory exported with read and write >> permissions (/scratch *(rw)). When we run amanda, we get an error >> message saying "Permission Denied" for these files. Now as >> user=amanda and group=disk, we should be able to backup these >> files. What are we doing wrong? > > > I'm assuming you are using tar (since I don't think you can use dump > on an NFS mount). Amanda uses the runtar wrapper script, which is > suid root so that tar can run as root (since tar accesses via the > filesystem it has to run as root to access all the files). > Most OS's map NFS access requests from UID 0 (root) to nobody > or some other non-root user for security reasons. You probably > need to change your export options on xtreme23 to include the > no_root_squash option (or whatever its called on the NFS server's > OS) for the export to the Amanda server so that root on the Amanda > server has root access to /xtreme23/scratch, so tar can see all of > the files. > > Frank > > >> Thanks in advance, >> Ashwin Bijur >> Assistant Systems Administrator. >> > > > -- > Frank Smith > [EMAIL PROTECTED] > Systems Administrator Voice: > 512-374-4673 > Hoover's Online Fax: > 512-374-4501
