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    NFS Lockups  
david@douthitt.net


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01-23-04 09:49 PM

I've been trying to use NFS (since it is everywhere) but it continually expe
riences lockups.  I am currently using (or have used) Linux clients, Linux s
ervers, and HP-UX clients.  Had an HP-UX HP-9000 NFS client lock up hard - n
ot even the power switch wo
rked - had to pull the power plug on it.

I have attempted to use amd but this also results in lockups, as it uses NFS
.  Autofs I haven't used as much.

Isn't there a distributed network filesystem which satisifies these requirem
ents?

1. Robust: loss of server or client does not result in affecting other servi
ces.
2. Widely available for multiple UNIXes and UNIX clones.
3. Does not require Kerberos.
4. Simple to operate.
5. Experienced and stable.

NFS, AFS, OpenAFS, Coda, Intermezzo - none of these satisfy all of these.  I
'm probably going to try Samba.... but it isn't the best answer.







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    Re: NFS Lockups  
Scott McMillan


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01-23-04 09:49 PM

On Mon, 22 Sep 2003 22:18:21 +0000 (UTC), david@douthitt.net wrote:
quote:
>I've been trying to use NFS (since it is everywhere) but it continually experiences lockups . I am currently using (or have used) Linux clients, Linux servers, and HP-UX clients. Had an HP-UX HP-9000 NFS client lock up hard - not even the power switch w
orked - had to pull the power plug on it.
quote:
> >I have attempted to use amd but this also results in lockups, as it uses NF S. Autofs I haven't used as much. > >Isn't there a distributed network filesystem which satisifies these require ments? > >1. Robust: loss of server or client does not result in affecting other serv ices. >2. Widely available for multiple UNIXes and UNIX clones. >3. Does not require Kerberos. >4. Simple to operate. >5. Experienced and stable. > >NFS, AFS, OpenAFS, Coda, Intermezzo - none of these satisfy all of these. I'm probably going to try Samba.... but it isn't the best answer. >
Are you trying to share portions of your *nix filesystems with Windoze boxen? If so, Samba works like a champ, and pretty much (in my experience with it) covers your 5-point criteria above. Perhaps sharing your network topology and what you are trying to achieve would bring forth better responses... Scott McMillan PS Can you configure your newsreader to automatically wrap lines at ~72 characters?




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    Re: NFS Lockups  
David Nixon


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01-23-04 09:49 PM

> I've been trying to use NFS (since it is everywhere) but it continually ex
periences lockups.  I am currently using (or have used) Linux clients, Linux
 servers, and HP-UX clients.  Had an HP-UX HP-9000 NFS client lock up hard -
 not even the power switch
worked - had to pull the power plug on it.
quote:
> I have attempted to use amd but this also results in lockups, as it uses NFS. Autofs I ha ven't used as much.
If you are experiencing frequent locks with the Linux NFS service then you could try another server side implementation.. In our environment Linux Autofs connecting to an HP-UX 11.0 server works fine. DaveN.




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    Re: NFS Lockups  
Michael Vilain


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01-23-04 09:49 PM

In article <gil4nvs9h0jss25qlmrb647f67u4ui8d35@4ax.com>,
Scott McMillan <smcm@usa.net> wrote:
quote:
> On Mon, 22 Sep 2003 22:18:21 +0000 (UTC), david@douthitt.net wrote: > > > Are you trying to share portions of your *nix filesystems with Windoze > boxen? If so, Samba works like a champ, and pretty much (in my > experience with it) covers your 5-point criteria above. > > Perhaps sharing your network topology and what you are trying to > achieve would bring forth better responses...
I don't see any mention of any Billware requirements--only NFS in the OP. All the NFS I've ever worked with requires a stable, reliable network. If a server goes down, the clients wait until the server comes back. Some implementations create a stale mount point, which is where automount works better rather than soft/hard mounts. What happens if you remove Linux from the equation? All the HP and SUN NFS implementations I've worked with were rock solid. I've heard 'mixed' things about the Linux kernel's support for NFS (some said it's just plain broken). If you make HP the server and Linux the clients, that may solve your problem. Network Appliances makes a NFS box that's very extendable. They offer a variety of network interfaces and storage capacities and are very easy to manage. If your Linux boxes don't play nice with them, I'd look at the Linux kernel you're running. It's problably one that's broken in some way. -- DeeDee, don't press that button! DeeDee! NO! Dee...




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    Re: NFS Lockups  
Chris Cox


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01-23-04 09:49 PM

"Michael Vilain " wrote:
...snip...
quote:
> ... All the HP ... > NFS implementations I've worked with were rock solid.
HP means Hewlett Packard to me... if so, then this can't possibly be true. HPUX's NFS is fragile at best even with 11. Easy to bring down, easy to get stale handles, etc. Reboot a must.




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