10-28-2004
Samba crashes on Solaris with Veritas Cluster
We recently transferred our Samba server to a cluster of two Sun systems running Solaris 9 with Veritas Cluster Server. We used Samba 3.0.7. Since then Samba seems to crash every 2 to 3 days, always around noon. The symptoms are that at first people who are connected lose the ability to access the shared filesystems, followed a few minutes later by nobody being able to create new connections either. Failing over the Samba service from one box to the other clears the problem up for a couple days till it recurs. Simply stopping and restarting Samba on the server where it resides does not help.
We did not have this problem at all with the old Samba server, which was running 2.2.8 on Solaris 8 with no clustering (on a single box).
We have tried downgrading the Samba version but the problem persists. We are not sure if it is an issue with Solaris 9, or with Veritas Cluster Server, or what.
I didn't find anything on this site related to running Samba on a cluster of Solaris systems. I will continue searching other sites as well, but I thought I'd post this here. Has anybody seen an issue similar to what I describe where Sambe periodically quits working?
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LEARN ABOUT CENTOS
vfs_acl_xattr
VFS_ACL_XATTR(8) System Administration tools VFS_ACL_XATTR(8)
NAME
vfs_acl_xattr - Save NTFS-ACLs in Extended Attributes (EAs)
SYNOPSIS
vfs objects = acl_xattr
DESCRIPTION
This VFS module is part of the samba(7) suite.
The vfs_acl_xattr VFS module stores NTFS Access Control Lists (ACLs) in Extended Attributes (EAs). This enables the full mapping of Windows
ACLs on Samba servers.
The ACLs are stored in the Extended Attribute security.NTACL of a file or directory. This Attribute is not listed by getfattr -d filename.
To show the current value, the name of the EA must be specified (e.g. getfattr -n security.NTACL filename).
This module is stackable.
OPTIONS
acl_xattr:ignore system acls = [yes|no]
When set to yes, a best effort mapping from/to the POSIX ACL layer will not be done by this module. The default is no, which means that
Samba keeps setting and evaluating both the system ACLs and the NT ACLs. This is better if you need your system ACLs be set for local
or NFS file access, too. If you only access the data via Samba you might set this to yes to achieve better NT ACL compatibility.
AUTHOR
The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open
Source project similar to the way the Linux kernel is developed.
Samba 4.0 06/17/2014 VFS_ACL_XATTR(8)