cpinkham at bc2va
Feb 21, 2006, 6:44 PM
Post #1 of 3
(918 views)
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Re: [mythtv-commits] Ticket #1340: playback halts during
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> > If you are using NFS, please remount your video partition with the
> > "-o actimeo=0" option which will disable this attribute caching and allow
> I take it that using the same option in fstab will work as well? Just that
> I applied this change last night and it made no difference at all :-(
>
> zeus:/mnt/store /mnt/store nfs
> rsize=8192,wsize=8192,hard,intr,nfsvers=3,actimeo=0 0 0
yes, putting the actimeo=0 in fstab should work, that's how I do it.
I assume you remounted the filesystem after you changed the fstab file?
> Since I'm running a nfs root file system (diskless combined be/fe), will
> the attributes of the root filesystem (caching etc) propagate down through
> the mount point or will the new mount attaching to a point within the root
> filesystem override this.
Each filesystem can have it's own settings, in fact if you remount a
subdirectory, you can have different settings within a filesystem. If
you have a shared nfs filesystem that has more than Myth recordings on it,
you can mount the filesystem the normal way and just remount the Myth
recorings directory with the actimeo=0 option, something like this:
(name of my fileserver changed to protect it's identity) :)
spike:/nfsdata /nfsdata nfs rsize=8192,wsize=8192,soft 0 0
spike:/nfsdata/myth /nfsdata/myth nfs rsize=8192,wsize=8192,soft,actimeo=0 0 0
That will leave caching enabled for the other parts of the filesystem and
only disable the attribute caching on the myth directory and below.
> Can't see a way of overriding the attributes of the root filesystem (can I
> do a remount of a root nfs system?) from the network grub command line.
> I'll experiment some more with this anyway.
Just remount your video directory if it falls below the root mountpoint.
> Is there a simple way to find out what the current mount parameters are on
> a running system? Be handy to see if the changes 'stick' !! I guess there
> is something in the /proc filesystem. Hmmm - more playing...
Running "mount" by itself will print out the current mount options for each
filesystem mounted.
--
Chris
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