Date: Tue, 10 Oct 2006 17:37:59 -0400 From: Mike Jakubik <mikej@rogers.com> To: Vivek Khera <vivek@khera.org> Cc: stable@freebsd.org Subject: Re: gmirror warnings Message-ID: <452C12B7.40609@rogers.com> In-Reply-To: <06B012BD-FD76-4AA8-BC8C-1C65FE2145C8@khera.org> References: <71E7CE6F-900A-419D-84C0-18B926377AED@khera.org> <20061010203856.K68266@atlantis.atlantis.dp.ua> <452BE251.9090008@rogers.com> <06B012BD-FD76-4AA8-BC8C-1C65FE2145C8@khera.org>
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Vivek Khera wrote: > > On Oct 10, 2006, at 2:11 PM, Mike Jakubik wrote: > >>> Those messages are not directly related to gmirror, they come from >>> the ATA >>> driver when it can't allocate memory for the structure which describes >>> I/O request: >> >> I think this behavior is limited to the amd64 architecture, or at >> least more prone to occur. I have a number of identical servers, and >> only one of them runs in amd64 mode. This server displays these >> errors every now and then, while the others don't. While the server >> continues to function properly, its still annoying seeing these. >> Perhaps there is a auto tuning problem on amd64? > > I have six identical boxes all built at the same time. This is the > only one reporting this error. All run identical copies of freebsd. > > I also have at least 2 other boxes with SATA drives running amd64 and > none shows the error. > > It is obviously related to workload. Perhaps its memory related, my other servers are much more loaded, however the one exhibiting this problem has less ram and usually uses about 300MB of swap. The messages are not very frequent, perhaps once / 2 months.
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