 | | | NFS filesystems not mounting at boot - can mount manually | NFS filesystems not mounting at boot - can mount manually 2006-11-30 - By Thomas B. Walter
Back
> On Mon, 2006-11-27 at 22:06 -0500, Thomas B. Walter wrote:
>>
>> On Mon, 27 Nov 2006, Rick Stevens wrote:
>>
>>> On Mon, 2006-11-27 at 15:38 -0500, Thomas B. Walter wrote:
>>>> Good Afternoon,
>>>>
>>>> I have a lab of Dells running RHEL4u4. All but one NFS file systems are
>>>> not mounting automatically at boot. If I manually issue command "mount -a"
the
>>>> offending file systems mount with no problems.
>>>>
>>>> Contents of /etc/fstab:
>>>> everest:/scratch /scratch nfs soft,bg 0 0
>>>> yoda:/data/yoda/a /data/yoda/a nfs soft,bg
>>>> yoda:/data/yoda/b /data/yoda/b nfs soft,bg
>>>>
>>>>
>>>> Result of df -k command:
>>>> [root@(protected) log]# df -k
>>>> Filesystem 1K-blocks Used Available Use% Mounted on
>>>> /dev/mapper/VolGroup00-LogVol00
>>>> 74730664 6816748 64117744 10% /
>>>> /dev/sdb1 101086 12734 83133 14% /boot
>>>> none 516592 0 516592 0% /dev/shm
>>>> everest:/scratch 17413280 12970784 4268384 76% /scratch
>>>>
>>>> Relevent lines from /var/log/messages:
>>>> Nov 27 15:08:23 cslab2 network: Bringing up interface eth0: succeeded
>>>> Nov 27 15:08:30 cslab2 mount: mount: backgrounding "everest:/scratch"
>>>> Nov 27 15:08:36 cslab2 mount: mount: mount to NFS server 'everest' failed:
>>>> Nov 27 15:08:36 cslab2 mount: mount: backgrounding "yoda:/data/yoda/a"
>>>> Nov 27 15:08:36 cslab2 mount: mount: backgrounding "yoda:/data/yoda/b"
>>>> Nov 27 15:08:36 cslab2 mount: System Error: No route to host(retrying).
>>>> Nov 27 15:08:36 cslab2 netfs: Mounting NFS filesystems: succeeded
>>>> Nov 27 15:08:36 cslab2 netfs: Mounting other filesystems: succeeded
>>>> Nov 27 15:08:36 cslab2 kernel: i2c /dev entries driver
>>>>
>>>>
>>>> Both yoda and everest have entries in /etc/hosts.
>>>>
>>>> I see System Error: No route to host(retrying) but I don't know why one
>>>> NFS file system mounts and not the others.
>>>
>>> Are both everest and yoda on the same network and/or NIC? It may be
>>> that one network or NIC's route isn't up by the time the "mount -a"
>>> occurs, so you get the "no route to host" issue.
>>>
>>
>> Everest and yoda are on the same subnet. Everest (geo) and yoda (cs) are
>> NIS masters for different NIS domains and the lab machines are part of the
>> "cs" NIS domain but it's everest (NIS=geo) that mounts successfully at
>> boot and yoda (NIS=cs) that doesn't. I'm grasping at straws here including
>> this additional info.
>
> The "no route to host" is the telling issue. It appears that there is
> some oddball routing that's not occurring when the NFS client comes up.
> It sees everest right away, but not yoda. That's what you probably
> should investigate first.
>
> However, there's something you can try that may bypass fixing the
> routing. You can try changing the "bg" for yoda-based mounts in
> /etc/fstab to "fg" and see if that helps:
>
> yoda:/data/yoda/a /data/yoda/a nfs soft,fg 0 0
> yoda:/data/yoda/b /data/yoda/b nfs soft,fg 0 0
>
> That will retry the mounts in the foreground if they fail and it may
> force the routing to occur in a more timely manner. This is only an
> attempt to bypass whatever weirdness is going on with the routing. You
> really do need to fix the network issue.
Hi Rick,
Changing bg to fg in /etc/fstab didn't work so I made entries in rc.local
to do the mounts and that worked. I will then try to determine why the
problem exists in the firrst place.
Thanks a bunch.
Tom ;-)
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
> - Rick Stevens, Senior Systems Engineer rstevens@(protected) -
> - VitalStream, Inc. http://www.vitalstream.com -
> - -
> - Overweight: When you step on your dog's tail...and it dies. -
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
>
> __ ____ ____ ____ ____ ____ ____ ____ ____ ____
> Redhat-install-list mailing list
> Redhat-install-list@(protected)
> https://www.redhat.com/mailman/listinfo/redhat-install-list
> To Unsubscribe Go To ABOVE URL or send a message to:
> redhat-install-list-request@(protected)
> Subject: unsubscribe
>
__ ____ ____ ____ ____ ____ ____ ____ ____ ____
Redhat-install-list mailing list
Redhat-install-list@(protected)
https://www.redhat.com/mailman/listinfo/redhat-install-list
To Unsubscribe Go To ABOVE URL or send a message to:
redhat-install-list-request@(protected)
Subject: unsubscribe
|
|
|