how is the ram size what is the zpool setup and what is your hba and hdd size and type
Sent from my iPad On Jan 10, 2012, at 21:07, Ray Van Dolson <rvandol...@esri.com> wrote: > Hi all; > > We have a Solaris 10 U9 x86 instance running on Silicon Mechanics / > SuperMicro hardware. > > Occasionally under high load (ZFS scrub for example), the box becomes > non-responsive (it continues to respond to ping but nothing else works > -- not even the local console). Our only solution is to hard reset > after which everything comes up normally. > > Logs are showing the following: > > Jan 8 09:44:08 prodsys-dmz-zfs2 scsi: [ID 107833 kern.warning] WARNING: > /pci@0,0/pci8086,3410@9/pci1000,72@0 (mpt_sas0): > Jan 8 09:44:08 prodsys-dmz-zfs2 MPT SGL mem alloc failed > Jan 8 09:44:08 prodsys-dmz-zfs2 scsi: [ID 107833 kern.warning] WARNING: > /pci@0,0/pci8086,3410@9/pci1000,72@0 (mpt_sas0): > Jan 8 09:44:08 prodsys-dmz-zfs2 Unable to allocate dma memory for > extra SGL. > Jan 8 09:44:08 prodsys-dmz-zfs2 scsi: [ID 107833 kern.warning] WARNING: > /pci@0,0/pci8086,3410@9/pci1000,72@0 (mpt_sas0): > Jan 8 09:44:08 prodsys-dmz-zfs2 Unable to allocate dma memory for > extra SGL. > Jan 8 09:44:10 prodsys-dmz-zfs2 scsi: [ID 107833 kern.warning] WARNING: > /pci@0,0/pci8086,3410@9/pci1000,72@0 (mpt_sas0): > Jan 8 09:44:10 prodsys-dmz-zfs2 Unable to allocate dma memory for > extra SGL. > Jan 8 09:44:10 prodsys-dmz-zfs2 scsi: [ID 107833 kern.warning] WARNING: > /pci@0,0/pci8086,3410@9/pci1000,72@0 (mpt_sas0): > Jan 8 09:44:10 prodsys-dmz-zfs2 MPT SGL mem alloc failed > Jan 8 09:44:11 prodsys-dmz-zfs2 rpcmod: [ID 851375 kern.warning] WARNING: > svc_cots_kdup no slots free > > I am able to resolve the last error by adjusting upwards the duplicate > request cache sizes, but have been unable to find anything on the MPT > SGL errors. > > Anyone have any thoughts on what this error might be? > > At this point, we are simply going to apply patches to this box (we do > see an outstanding mpt patch): > > 147150 -- < 01 R-- 124 SunOS 5.10_x86: mpt_sas patch > 147702 -- < 03 R-- 21 SunOS 5.10_x86: mpt patch > > But we have another identically configured box at the same patch level > (admittedly with slightly less workload, though it also undergoes > monthly zfs scrubs) which does not experience this issue. > > Ray > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
