[Lustre-discuss] selinux and lustre

[Atul Vidwansa]

Lustre and SELinux does not work together. Suggest disabling it by 
adding selinux=0 to kernel boot parameter.

Cheers,
-Atul

Leif Bergman wrote:
> Hello,
>
> I've run into an odd error when attempting to mount the lustre MDT.
>
> I've found that when I set the selinux policy to 'disabled' it works
> fine, but if it is set to 'permissive' I get the error below:
>
>
> Dec 31 15:32:31 ops03 kernel: Lustre: OBD class driver,
> http://www.lustre.org/
> Dec 31 15:32:31 ops03 kernel:         Lustre Version: 1.6.6
> Dec 31 15:32:31 ops03 kernel:         Build Version:
> 1.6.6-19691231190000-PRISTINE-.cache.OLDRPMS.20080826155503.linux-smp-2.6.18-92.1.10.el5_lustre.1.6.6.i686-2.6.18-92.1.10.el5_lustre.1.6.6smp
> Dec 31 15:32:31 ops03 kernel: Lustre: Added LNI 192.168.8.25 at tcp
> [8/256]
> Dec 31 15:32:31 ops03 kernel: Lustre: Accept secure, port 988
> Dec 31 15:32:32 ops03 kernel: Lustre: Lustre Client File System;
> http://www.lustre.org/
> Dec 31 15:32:32 ops03 kernel: kjournald starting.  Commit interval 5
> seconds
> Dec 31 15:32:32 ops03 kernel: LDISKFS FS on dm-6, internal journal
> Dec 31 15:32:32 ops03 kernel: LDISKFS-fs: recovery complete.
> Dec 31 15:32:32 ops03 kernel: LDISKFS-fs: mounted filesystem with
> ordered data mode.
> Dec 31 15:32:32 ops03 kernel: kjournald starting.  Commit interval 5
> seconds
> Dec 31 15:32:32 ops03 kernel: LDISKFS FS on dm-6, internal journal
> Dec 31 15:32:32 ops03 kernel: LDISKFS-fs: mounted filesystem with
> ordered data mode.
> Dec 31 15:32:32 ops03 kernel: Lustre: MGS MGS started
> Dec 31 15:32:32 ops03 kernel: Lustre: Enabling user_xattr
> Dec 31 15:32:32 ops03 kernel: Lustre: MDT testfs-MDT0000 now serving
> dev (testfs-MDT0000/65218f61-7818-9990-4fe1-5edd077c1e3d) with
> recovery enabled
> Dec 31 15:32:32 ops03 kernel: Lustre:
> 6075:0:(lproc_mds.c:273:lprocfs_wr_group_upcall()) testfs-MDT0000:
> group upcall set to /usr/sbin/l_getgroups
> Dec 31 15:32:32 ops03 kernel: Lustre: testfs-MDT0000.mdt: set
> parameter group_upcall=/usr/sbin/l_getgroups
> Dec 31 15:32:32 ops03 kernel: Lustre: Server testfs-MDT0000 on device
> /dev/VolGroup00/LogVolLustre has started
> Dec 31 15:32:32 ops03 kernel: SELinux: (dev lustre, type lustre) has
> no xattr support
> Dec 31 15:32:32 ops03 kernel: Lustre: Failing over testfs-MDT0000
> Dec 31 15:32:32 ops03 kernel: Lustre: *** setting obd testfs-MDT0000
> device 'unknown-block(253,6)' read-only ***
> Dec 31 15:32:32 ops03 kernel: Turning device dm-6 (0xfd00006)
> read-only
> Dec 31 15:32:32 ops03 kernel: Lustre: testfs-MDT0000: shutting down
> for failover; client state will be preserved.
> Dec 31 15:32:32 ops03 kernel: Lustre: MDT testfs-MDT0000 has stopped.
> Dec 31 15:32:32 ops03 kernel: LustreError:
> 5822:0:(ldlm_request.c:996:ldlm_cli_cancel_req()) Got rc -108 from
> cancel RPC: canceling anyway
> Dec 31 15:32:32 ops03 kernel: LustreError:
> 5822:0:(ldlm_request.c:1605:ldlm_cli_cancel_list())
> ldlm_cli_cancel_list: -108
> Dec 31 15:32:32 ops03 kernel: Lustre: MGS has stopped.
> Dec 31 15:32:32 ops03 kernel: Removing read-only on dm-6 (0xfd00006)
> Dec 31 15:32:32 ops03 kernel: Lustre: server umount testfs-MDT0000
> complete
>
>
>
> Anybody run in to this? It seems odd that a 'permissive' setting should
> cause it to break.
>
> Regards,
>
> Leif Bergman
> Renesys
> _______________________________________________
> Lustre-discuss mailing list
> Lustre-discuss at lists.lustre.org
> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>   


-- 
==================================
Atul Vidwansa
Sun Microsystems Australia Pty Ltd
Web: http://blogs.sun.com/atulvid
Email: Atul.Vidwansa at Sun.COM