ZFS & NFS
xaero at xaerolimit.net
Sun Dec 25 21:54:20 UTC 2011
Hopefully I don't get to lost in my explanation here. I have a raid1
array w/ ZFS running ontop of it, yes I realize this isn't the ideal way
to do things, I didn't know that at the time.
The system is stock FreeBSD-8.2-i386, with 2GB of RAM.
In /boot/loader.conf I have the following:
The array is 2x750GB Seagate 2.5" drives w/ 16MB cache/ea. I'm not
doing anything fancy except storage of various Operating System
ISO's and some other files, all being served to my lan via Samba
(to some windows clients) and via nfs to several linux/freebsd clients.
Now, on to the juicy stuff.
Windows is unable to successfully connect to the SMB shares anymore,
and I can't figure out why. No error messages are printed in
/var/log/messages on the server. The samba share block for /tank/store
is as follows:
comment = ZFS Tank
path = /tank
valid users = chris
admin users = chris
read list = chris
write list = chris
read only = No
'chris' being the uid I use everywhere on my lan. Every machine
has this login.
NFS wise, I have the following set up:
[root at ziggy ~]# cat /etc/exports
/home -alldirs -network 192.168.0.0 -mask 255.255.255.0
/usr/obj -maproot=root -alldirs -rw
/usr/src -maproot=root -alldirs -rw
/usr/ports -maproot=root -alldirs -rw
/usr/ports/distfiles -maproot=root -alldirs -rw
/usr/ports/packages -maproot=root -alldirs -rw
[root at ziggy ~]# cat /etc/zfs/exports
# !!! DO NOT EDIT THIS FILE MANUALLY !!!
/tank -maproot=root -alldirs -rw
/tank/music -maproot=root -alldirs -rw
/tank/store -maproot=root -alldirs -rw
/tank/tmp -maproot=root -alldirs -rw
[root at ziggy ~]# showmount -ae
All mount points on localhost:
Exports list on localhost:
[root at ziggy ~]#
/usr/src, /usr/obj, /usr/ports, /usr/ports/distfiles, and
/usr/ports/packages are all zfs remounts
[root at ziggy ~]# df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ad10s1a 989M 175M 735M 19% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/ad10s1e 989M 4.2M 906M 0% /tmp
/dev/ad10s1f 61G 1.0G 55G 2% /usr
/dev/ad10s1d 5.8G 96M 5.2G 2% /var
/dev/ad8p2 902G 2.4M 830G 0% /usr/home
procfs 4.0K 4.0K 0B 100% /proc
tank 488G 4.8G 483G 1% /tank
tank/music 483G 27M 483G 0% /tank/music
tank/store 622G 139G 483G 22% /tank/store
tank/tmp 539G 56G 483G 10% /tank/tmp
tank/obj 484G 634M 483G 0% /usr/obj
tank/ports 484G 257M 483G 0% /usr/ports
tank/ports/distfiles 484G 580M 483G 0% /usr/ports/distfiles
tank/ports/packages 483G 196M 483G 0% /usr/ports/packages
tank/src 484G 798M 483G 0% /usr/src
[root at ziggy ~]#
Now when I try to mount anything from the tank path, I get success,
but, I am not able to create files on /tank/store, whereas I can on
/tank/tmp and /tank/music, which is odd in of itself.
Now if I try to mount any of the zfs-remounted shares from /usr, I get
permission denied errors, such as this.
>From the client: (fbsd8.2 laptop, recompiled srcs)
root at blackdragon ~]# mount -t nfs ziggy:/usr/src /usr/src/
[tcp] ziggy:/usr/src: Permission denied
[root at blackdragon ~]#
And from the server's /var/log/messages I see:
Dec 25 16:49:15 ziggy mountd: mount request denied from 192.168.0.5
I'll get that error message for any of the following nfsshares:
/usr/src, /usr/obj, /usr/ports, /usr/ports/packages, and
So I am unsure where I went wrong but some guidance would be
> Chris Brennan
> A: Yes.
> >Q: Are you sure?
> >>A: Because it reverses the logical flow of conversation.
> >>>Q: Why is top posting frowned upon?
> http://xkcd.com/84/ | http://xkcd.com/149/ | http://xkcd.com/549/
> GPG: D5B20C0C (6741 8EE4 6C7D 11FB 8DA8 9E4A EECD 9A84 D5B2 0C0C)
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