Fw: Aw: Re: backup-dir over nfs

[Philippe LeCavalier]

As stated, this wasn't an rsync issue. However, since I did post the issue
here I felt I should also post what resolved it(seems to)...Disabling APIC
in the BIOS appears to have returned everything to normal.

Thanks, Phil




On Sat, Mar 8, 2014 at 9:16 AM, Philippe LeCavalier <support at plecavalier.com
> wrote:

> Thanks Roland. I appreciate your guidance.
>
> Thanks, Phil
>
>
>  this is a linux kernel or hardware issue,  please update (if not yet
> done) your system to the latest patches, especially the kernel package.
>
> if that does not help, jump onto these bugreports or open a new one for
> your distro.  (kernel.org bugtracker is typically not the best choice for
> normal end-users)
>
> https://bugzilla.kernel.org/show_bug.cgi?id=12118
> https://bugzilla.novell.com/show_bug.cgi?id=579932
>
>  regards
> roland
>
>  *Gesendet:* Freitag, 07. März 2014 um 22:04 Uhr
> *Von:* devzero at web.de
> *An:* "Philippe LeCavalier" <support at plecavalier.com>
> *Cc:* rsync at lists.samba.org
> *Betreff:* Aw: Re: backup-dir over nfs
>   i´m sure this is no rsync issue. i guess rsync is just triggering it.
>
>
> https://groups.google.com/forum/#!msg/fa.linux.kernel/bxYvmkgvwGo/-gbIAVLz0zAJ
>
> maybe clocksource=jiffies or nohz=off  is worth a try to see if it makes a
> difference
>
>  regards
> roland
>
>
>
>
> you mean, when the hang appears, you get ping timeout from another host,
> i.e. it`s not only userspace which is being locked but the kernel also
> locks up completely (i.e. does not respond to ping anymore) ?
>
> regards
> roland
>
>
> *Gesendet:* Freitag, 07. März 2014 um 17:21 Uhr
> *Von:* "Philippe LeCavalier" <support at plecavalier.com>
> *An:* devzero at web.de
> *Cc:* rsync at lists.samba.org
> *Betreff:* Re: backup-dir over nfs
>  Hi Roland.
>
>  On Thu, Mar 6, 2014 at 4:45 PM, <devzero at web.de> wrote:
>
>> I cannot really follow how your setup works, can you perhaps describe it
>> a little bit better?
>
> I've tried to keep it as simple as possible considering...
>
> Various remote hosts(running rsync daemon)
> ->
> HOST A(rsync pull / backup-dir=NFS host)
> ---->
> HOST B(NFS export for backup-dir)
> ---->
> When HOST A is done pulling the data from the various hosts a second
> script starts and rsync's(push) to HOST C. Every other time HOST C grabs a
> fresh copy directly from the remote hosts. Of course, this part is never
> automatically achieved since I'm never around to key "waking" the system
> from the console. So every time I walk by I hit a key and it keeps going.
>
>>
>> please provide the command which works and which not.
>
> hangs with: -avS --exclude-from=exclude.rsync --delete --backup
> --backup-dir=/path/to/nfs on HOST B/date +today's date
>
> does not hang with: -avS --exclude-from=exclude.rsync --delete --backup
> --backup-dir=/path/to/local/date +today's date fs on HOST A
>
>
>>
>>
>> so - resuming from hang is all about keypress?
>
> Yes.
>
>>
>> that sounds like an interrupt issue,i guess its no rsync problem but it`s
>> only being triggered by rsync.
>
> My assumption is also that it's likely not directly related to rsync. I
> was thinking more NFS though.
>
>>
>> keep an eye on /proc/interrupts.
>
> Interesting. Hadn't thought of that. I will.
>
>>
>> please post the answer to the rsync list, so others can also have a look
>
> Done.
>
> Question: I'm running this in cron as root. Although root can rw to the
> NFS share while I'm in the console, is it somehow possible I'm encountering
> a permissions issue and just not seeing a "permission denied" anywhere?
>
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