Date: Wed, 04 Mar 2015 11:40:02 -0500 From: Mike Tancsa <mike@sentex.net> To: CyberLeo Kitsana <cyberleo@cyberleo.net>, freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: nfs mounted /tmp vs disk mounted /tmp Message-ID: <54F73562.5000302@sentex.net> In-Reply-To: <54F72701.3030704@cyberleo.net> References: <54F62D81.4060407@sentex.net> <54F72701.3030704@cyberleo.net>
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On 3/4/2015 10:38 AM, CyberLeo Kitsana wrote: > On 03/03/2015 03:54 PM, Mike Tancsa wrote: >> >> While trying to test in the lab a migration of disks from an old pci-x >> arcmrs array to a pcie card, I ran into an odd problem with the cli and >> raid management daemon. I would start up the programs and they would >> immediately exit >> >> Looking at the truss output, it seemed to bork soon after it tried to >> create a file in /tmp. Testing all the same hardware, but then booting >> from a disk, it worked. Back to netboot, but this time with /tmp >> mounted via tmpfs, it also worked. So it seems there is something about >> having tmp mounted via nfs that causes the program to die. The issue >> seems to be the setting of locks. I am curious, is this something that >> can be worked around in nfs, or due to the nature of nfs, this is not >> possible ? I think I saw this same issue with virtual box in a netboot >> environment >> (https://lists.freebsd.org/pipermail/freebsd-emulation/2014-July/011693.html) > <snip> >> fcntl(4,F_SETLKW,0x7ffffffcde10) ERR#45 'Operation not >> supported' > > The fcntl(2) manpage says that F_SETLKW is for advisory locking. Does > your NFS infrastructure support advisory locks? Is lockd(8) running? > Thanks! Having lockd / statd running did indeed fix the problem for the areca client as well as VirtualBox! ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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