Date: Mon, 6 Oct 2014 16:55:02 -0600 From: Stephen Mcconnell <stephen.mcconnell@avagotech.com> To: Alan Somers <asomers@freebsd.org>, Borja Marcos <borjam@sarenet.es> Cc: FreeBSD-scsi <freebsd-scsi@freebsd.org> Subject: RE: mpr vs mps performance Message-ID: <26cd5d2251523a832e25f393f2379227@mail.gmail.com> In-Reply-To: <CAOtMX2jVR-8wkHcTyudOVwMNmxOvDkWPNsTBuyu%2BWZQ6WtDvmg@mail.gmail.com> References: <A8A5F62D-ED7B-420F-B5B5-88842A8F8827@sarenet.es> <CAOtMX2jVR-8wkHcTyudOVwMNmxOvDkWPNsTBuyu%2BWZQ6WtDvmg@mail.gmail.com>
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> -----Original Message----- > From: asomers@gmail.com [mailto:asomers@gmail.com] On Behalf Of Alan > Somers > Sent: Monday, October 06, 2014 10:13 AM > To: Borja Marcos; slm@freebsd.org > Cc: FreeBSD-scsi > Subject: Re: mpr vs mps performance > > On Mon, Sep 22, 2014 at 9:39 AM, Borja Marcos <borjam@sarenet.es> wrote: > > > > Hello, > > > > I have been playing with the new SAS3 cards supported by the mpr > > driver, and I=C2=B4ve found out that they are, in the same hardware > > configuration, > considerably slower writing data. Moreover, running two simultaneous > "bonnie" > benchmarks (I am using SSDs, and one "bonnie" sometimes hits 100% CPU > usage, unable to really saturate the I/O) I see the writing activity > somewhat > stalling, with disk bandwidth going from 600 MB/s to around 50 for 20 > seconds > or so. > > > > I'd like to know if this matches anyone else's experiences. Also, I can > > try and > make some tests if needed. But for now it seems we will stick to the SAS2 > HBAs. > > > > > > > > > > The Bonnie results are: > > > > With mpr driver, SAS3: > > > > (each bonnie instance, so multiply the results by 2 to get the actual > > bandwidth achieved) > > > > Seq output: (writing) > > Block: 292155 KB/s > > Rewrite: 139713 KB/s > > Seq input: > > Block: 862861 KB/s > > > > With mps driver: SAS2, again, total is 2x the following figures. > > > > Seq output: (writing) > > Block: 587950 KB/s > > Rewrite: 208239 KB/s > > Seq. input: (reading) > > Block: 842169 KB/s > > > > > > The storage is a ZFS pool with a 9-disk raidz2 vdev, made of Samsung > > 840 EVO 1 TB SSDs. The pool has been created with an ashift of 12 > > (zpool applied it thanks to the 4 KB block quirk for these SSDs) > > > > <ATA Samsung SSD 840 BB0Q> at scbus0 target 9 lun 0 (pass0,da0) > > <ATA Samsung SSD 840 BB0Q> at scbus0 target 10 lun 0 (pass1,da1= ) > > <ATA Samsung SSD 840 BB0Q> at scbus0 target 11 lun 0 (pass2,da2= ) > > <ATA Samsung SSD 840 BB0Q> at scbus0 target 12 lun 0 (pass3,da3= ) > > <ATA Samsung SSD 840 BB0Q> at scbus0 target 13 lun 0 (pass4,da4= ) > > <ATA Samsung SSD 840 BB0Q> at scbus0 target 14 lun 0 (pass5,da5= ) > > <ATA Samsung SSD 840 BB0Q> at scbus0 target 17 lun 0 (pass7,da6= ) > > <ATA Samsung SSD 840 BB0Q> at scbus0 target 18 lun 0 (pass8,da7= ) > > <ATA Samsung SSD 840 BB0Q> at scbus0 target 27 lun 0 > > (pass14,da12) > > > > > > > > > > The mpr card details follow: > > Sep 17 09:49:39 elibm kernel: mpr0: <LSI SAS3008> port 0x3f00-0x3fff me= m > 0x912f0000-0x912fffff irq 32 at device 0.0 on pci17 > > Sep 17 09:49:39 elibm kernel: mpr0: IOCFacts : > > Sep 17 09:49:39 elibm kernel: MsgVersion: 0x205 Sep 17 09:49:39 elibm > > kernel: HeaderVersion: 0x1d00 Sep 17 09:49:39 elibm kernel: IOCNumber: > > 0 Sep 17 09:49:39 elibm kernel: IOCExceptions: 0x0 Sep 17 09:49:39 > > elibm kernel: MaxChainDepth: 128 Sep 17 09:49:39 elibm kernel: > > NumberOfPorts: 1 Sep 17 09:49:39 elibm kernel: RequestCredit: 11264 > > Sep 17 09:49:39 elibm kernel: ProductID: 0x2221 Sep 17 09:49:39 elibm > > kernel: IOCRequestFrameSize: 32 Sep 17 09:49:39 elibm kernel: > > MaxInitiators: 1 Sep 17 09:49:39 elibm kernel: MaxTargets: 1024 Sep 17 > > 09:49:39 elibm kernel: MaxSasExpanders: 14 Sep 17 09:49:39 elibm > > kernel: MaxEnclosures: 15 Sep 17 09:49:39 elibm kernel: > > HighPriorityCredit: 60 Sep 17 09:49:39 elibm kernel: > > MaxReplyDescriptorPostQueueDepth: 65504 Sep 17 09:49:39 elibm kernel: > > ReplyFrameSize: 32 Sep 17 09:49:39 elibm kernel: MaxVolumes: 0 Sep 17 > > 09:49:39 elibm kernel: MaxDevHandle: 1047 Sep 17 09:49:39 elibm > > kernel: MaxPersistentEntries: 128 Sep 17 09:49:39 elibm kernel: mpr0: > > Firmware: 01.00.03.00, Driver: 05.255.05.00-fbsd Sep 17 09:49:39 elibm > > kernel: mpr0: IOCCapabilities: > > 3a85c<ScsiTaskFull,DiagTrace,SnapBuf,EEDP,TransRetry,EventReplay,MSIXI > > ndex,HostDisc> > > > > > > And the mps card is a classic: > > Sep 22 17:18:24 elibm kernel: mps0: <LSI SAS2008> port 0x3f00-0x3fff > > mem 0x90ebc000-0x90ebffff,0x912c0000-0x912fffff irq 32 at device 0.0 > > on pci17 Sep 22 17:18:24 elibm kernel: mps0: Firmware: 18.00.00.00, > > Driver: 19.00.00.00-fbsd Sep 22 17:18:24 elibm kernel: mps0: > > IOCCapabilities: > > 1285c<ScsiTaskFull,DiagTrace,SnapBuf,EEDP,TransRetry,EventReplay,HostD > > isc> > > > > > > The connected devices follow. Both use the same hardware (except for th= e > cables and HBA of course), but currently there's no way to check this wit= h > the > SAS3 card, as sas3ircu nor sas3flash detect it on FreeBSD. > > > > > > > > # sas2ircu 0 display > > LSI Corporation SAS2 IR Configuration Utility. > > Version 18.00.00.00 (2013.11.18) > > Copyright (c) 2009-2013 LSI Corporation. All rights reserved. > > > > Read configuration has been initiated for controller 0 > > ---------------------------------------------------------------------- > > -- > > Controller information > > -----------------------------------------------------------------------= - > > Controller type : SAS2008 > > BIOS version : 7.35.00.00 > > Firmware version : 18.00.00.00 > > Channel description : 1 Serial Attached SCSI > > Initiator ID : 0 > > Maximum physical devices : 255 > > Concurrent commands supported : 3432 > > Slot : 3 > > Segment : 0 > > Bus : 17 > > Device : 0 > > Function : 0 > > RAID Support : No > > ---------------------------------------------------------------------- > > -- > > IR Volume information > > ---------------------------------------------------------------------- > > -- > > ---------------------------------------------------------------------- > > -- > > Physical device information > > ---------------------------------------------------------------------- > > -- > > Initiator at ID #0 > > > > Device is a Hard disk > > Enclosure # : 2 > > Slot # : 16 > > SAS Address : 5000c50-0-05b5-ce25 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 140014/286749479 > > Manufacturer : SEAGATE > > Model Number : ST9146803SS > > Firmware Revision : FS03 > > Serial No : 3SD02W5L > > GUID : N/A > > Protocol : SAS > > Drive Type : SAS_HDD > > > > Device is a Hard disk > > Enclosure # : 2 > > Slot # : 17 > > SAS Address : 5005076-0-3e8e-81a2 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 953869/1953525167 > > Manufacturer : ATA > > Model Number : Samsung SSD 840 > > Firmware Revision : BB0Q > > Serial No : S1D9NEADA08549F > > GUID : N/A > > Protocol : SATA > > Drive Type : SATA_SSD > > > > Device is a Hard disk > > Enclosure # : 2 > > Slot # : 18 > > SAS Address : 5005076-0-3e8e-81a3 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 953869/1953525167 > > Manufacturer : ATA > > Model Number : Samsung SSD 840 > > Firmware Revision : BB0Q > > Serial No : S1D9NEADA08548T > > GUID : N/A > > Protocol : SATA > > Drive Type : SATA_SSD > > > > Device is a Hard disk > > Enclosure # : 2 > > Slot # : 19 > > SAS Address : 5005076-0-3e8e-81a4 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 953869/1953525167 > > Manufacturer : ATA > > Model Number : Samsung SSD 840 > > Firmware Revision : BB0Q > > Serial No : S1D9NEADA08568E > > GUID : N/A > > Protocol : SATA > > Drive Type : SATA_SSD > > > > Device is a Hard disk > > Enclosure # : 2 > > Slot # : 20 > > SAS Address : 5005076-0-3e8e-81a5 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 953869/1953525167 > > Manufacturer : ATA > > Model Number : Samsung SSD 840 > > Firmware Revision : BB0Q > > Serial No : S1D9NEADA08547X > > GUID : N/A > > Protocol : SATA > > Drive Type : SATA_SSD > > > > Device is a Hard disk > > Enclosure # : 2 > > Slot # : 21 > > SAS Address : 5005076-0-3e8e-81a6 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 953869/1953525167 > > Manufacturer : ATA > > Model Number : Samsung SSD 840 > > Firmware Revision : BB0Q > > Serial No : S1D9NEADA08518Y > > GUID : N/A > > Protocol : SATA > > Drive Type : SATA_SSD > > > > Device is a Hard disk > > Enclosure # : 2 > > Slot # : 22 > > SAS Address : 5005076-0-3e8e-81a7 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 953869/1953525167 > > Manufacturer : ATA > > Model Number : Samsung SSD 840 > > Firmware Revision : BB0Q > > Serial No : S1D9NEADA08556K > > GUID : N/A > > Protocol : SATA > > Drive Type : SATA_SSD > > > > Device is a Enclosure services device > > Enclosure # : 2 > > Slot # : 255 > > SAS Address : 5005076-0-3e8e-81b9 > > State : Standby (SBY) > > Manufacturer : IBM-ESXS > > Model Number : SAS EXP BP > > Firmware Revision : 61A6 > > Serial No : 00000006 > > GUID : N/A > > Protocol : SAS > > Device Type : Enclosure services device > > > > Device is a Hard disk > > Enclosure # : 3 > > Slot # : 0 > > SAS Address : 5005076-0-3e8e-86e9 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 953869/1953525167 > > Manufacturer : ATA > > Model Number : Samsung SSD 840 > > Firmware Revision : BB0Q > > Serial No : S1D9NEADA08550R > > GUID : N/A > > Protocol : SATA > > Drive Type : SATA_SSD > > > > Device is a Hard disk > > Enclosure # : 3 > > Slot # : 1 > > SAS Address : 5005076-0-3e8e-86ea > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 953869/1953525167 > > Manufacturer : ATA > > Model Number : Samsung SSD 840 > > Firmware Revision : BB0Q > > Serial No : S1D9NEADA08911Y > > GUID : N/A > > Protocol : SATA > > Drive Type : SATA_SSD > > > > Device is a Hard disk > > Enclosure # : 3 > > Slot # : 2 > > SAS Address : 5005076-0-3e8e-86eb > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 953869/1953525167 > > Manufacturer : ATA > > Model Number : Samsung SSD 840 > > Firmware Revision : BB0Q > > Serial No : S1D9NEADA08811L > > GUID : N/A > > Protocol : SATA > > Drive Type : SATA_SSD > > > > Device is a Hard disk > > Enclosure # : 3 > > Slot # : 13 > > SAS Address : 5000c50-0-05b5-e531 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 140014/286749479 > > Manufacturer : SEAGATE > > Model Number : ST9146803SS > > Firmware Revision : FS03 > > Serial No : 3SD02STR > > GUID : N/A > > Protocol : SAS > > Drive Type : SAS_HDD > > > > Device is a Hard disk > > Enclosure # : 3 > > Slot # : 14 > > SAS Address : 5000c50-0-05b5-d489 > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 140014/286749479 > > Manufacturer : SEAGATE > > Model Number : ST9146803SS > > Firmware Revision : FS03 > > Serial No : 3SD02TV1 > > GUID : N/A > > Protocol : SAS > > Drive Type : SAS_HDD > > > > Device is a Hard disk > > Enclosure # : 3 > > Slot # : 15 > > SAS Address : 5000c50-0-05b5-f0ad > > State : Ready (RDY) > > Size (in MB)/(in sectors) : 140014/286749479 > > Manufacturer : SEAGATE > > Model Number : ST9146803SS > > Firmware Revision : FS03 > > Serial No : 3SD03F4C > > GUID : N/A > > Protocol : SAS > > Drive Type : SAS_HDD > > > > Device is a Enclosure services device > > Enclosure # : 3 > > Slot # : 255 > > SAS Address : 5005076-0-3e8e-86f9 > > State : Standby (SBY) > > Manufacturer : IBM-ESXS > > Model Number : SAS EXP BP > > Firmware Revision : 61A6 > > Serial No : 00000006 > > GUID : N/A > > Protocol : SAS > > Device Type : Enclosure services device > > ---------------------------------------------------------------------- > > -- > > Enclosure information > > -----------------------------------------------------------------------= - > > Enclosure# : 1 > > Logical ID : 500605b0:07ba2100 > > Numslots : 8 > > StartSlot : 0 > > Enclosure# : 2 > > Logical ID : 50050760:3e8e81a0 > > Numslots : 25 > > StartSlot : 0 > > Enclosure# : 3 > > Logical ID : 50050760:3e8e86e0 > > Numslots : 25 > > StartSlot : 0 > > ---------------------------------------------------------------------- > > -- > > SAS2IRCU: Command DISPLAY Completed Successfully. > > SAS2IRCU: Utility Completed Successfully. > > > > > > > > > > _______________________________________________ > > freebsd-scsi@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-scsi > > To unsubscribe, send any mail to "freebsd-scsi-unsubscribe@freebsd.org" > > Adding Steve McConnell, who may not be on the freebsd-scsi list. Right, I'm not on the freebsd-scsi list. I suspect that the reason for thi= s is that most of the Gen3 performance gains come from MSI-x support, but tha= t is not in the mpr driver yet, and MSI-x is not supported in the 2008 card. But, I have a question out to another person and I'm waiting for more info. Steve
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