Date: Mon, 6 Nov 2017 20:44:33 -0700 From: Scott Long <scottl@samsco.org> To: Andrew Vylegzhanin <avv314@gmail.com> Cc: freebsd-scsi@freebsd.org Subject: Re: LSI2008 and SAS3 backplane Message-ID: <6CDCDC5D-457F-47A2-86BB-2716934F4F63@samsco.org> In-Reply-To: <CA%2BBi_YhcqakQ-WFCrAajrtH3T9WvBzZdhR147LBKLqkfkWthog@mail.gmail.com> References: <CA%2BBi_Yj7LNVB86-o_PmWMxeiz8DZ6n-8jyFpngOAmKJXCxL4nQ@mail.gmail.com> <24CF75B3-D75C-41B2-952A-77E94152F3D8@samsco.org> <CA%2BBi_YhcqakQ-WFCrAajrtH3T9WvBzZdhR147LBKLqkfkWthog@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Sorry, you need mpsutil -u 1 show devices Scott Sent from my iPhone > On Nov 6, 2017, at 8:43 PM, Andrew Vylegzhanin <avv314@gmail.com> wrote: >=20 >=20 >=20 > 2017-11-07 3:26 GMT+03:00 Scott Long <scottl@samsco.org>: >> Hi, >>=20 >=20 > Hi, >=20 >> If you=E2=80=99re using FreeBSD 11 or later, try running the following: >>=20 >> mpsutil show devices >=20 >=20 > It's empty: >=20 > [root@zc-dtrs-s1 ~]# freebsd-version=20 > 11.1-RELEASE-p2 > [root@zc-dtrs-s1 ~]# mpsutil show devices > B____T SAS Address Handle Parent Device Speed Enc Slot= Wdt >=20 > [root@zc-dtrs-s1 ~]#=20 >=20 > -- > Andrew >=20 > =20 >>=20 >> That will show what speed the drives are actually negotiated to. This mi= ght shed some >> light on the problem. >>=20 >> Scott >>=20 >> > On Nov 6, 2017, at 3:37 PM, Andrew Vylegzhanin <avv314@gmail.com> wrote= : >> > >> > Hi! >> > >> > I have a problem with low transfer speed (150MB/sec instead of 600Mb/se= c) >> > on SAS2 controller to SAS3 drive via SAS3 backplane. >> > >> > Hardware config is follows: >> > >> > Dell R720 box with Dell SAS HBA 6Gbps connected with Supermicro 45-bay J= BOD >> > with two SAS-3 expanders (LSI SAS3x40 and LSI SAS3x36). All drives (20 p= cs) >> > are SEAGATE ST6000NM0095 E002. >> > >> > So, partial dmesg out: >> > ... >> > mps1: <Avago Technologies (LSI) SAS2008> port 0x9c00-0x9cff mem >> > 0xd0ff0000-0xd0ffffff,0xd0f80000-0xd0fbffff irq 66 at device 0.0 >> > numa-domain 1 on pci16 >> > mps1: Firmware: 07.15.08.00, Driver: 21.02.00.00-fbsd >> > mps1: IOCCapabilities: >> > 185c<ScsiTaskFull,DiagTrace,SnapBuf,EEDP,TransRetry,IR> >> > .... >> > ses1 at mps1 bus 0 scbus8 target 81 lun 0 >> > ses1: <LSI SAS3x40 0601> Fixed Enclosure Services SPC-3 SCSI device >> > ses1: 150.000MB/s transfers >> > ses1: Command Queueing enabled >> > ses1: SCSI-3 ENC Device >> > ses2 at mps1 bus 0 scbus8 target 82 lun 0 >> > ses2: <LSI SAS3x36 0601> Fixed Enclosure Services SPC-3 SCSI device >> > ses2: 150.000MB/s transfers >> > ses2: Command Queueing enabled >> > ses2: SCSI-3 ENC Device >> > ses1: da0: Element descriptor: 'Slot00' >> > .... >> > da0 at mps1 bus 0 scbus8 target 61 lun 0 >> > da3 at mps1 bus 0 scbus8 target 64 lun 0 >> > ... >> > da0: <SEAGATE ST6000NM0095 E002> Fixed Direct Access SPC-4 SCSI device >> > da0: Serial Number ZAD119P20000C730KZK3 >> > da0: 150.000MB/s transfers >> > da0: Command Queueing enabled >> > da0: 5723166MB (11721045168 512 byte sectors) >> > >> > Some additional info. >> > There is two identical system with same problem. >> > System is under load now, and there is no erros, timeouts on disk i/o, s= o >> > it seems to be not cable/hardware problem. >> > I've tried other vendor SATA3 drive, got same 150MB/s. >> > This server works on full speed (600MB/s transfers) with SAS2 JBOD (Del= l >> > MD1220) w/o problems. >> > >> > Any ideas? >> > >> > -- >> > Andrew >> > _______________________________________________ >> > freebsd-scsi@freebsd.org mailing list >> > https://lists.freebsd.org/mailman/listinfo/freebsd-scsi >> > To unsubscribe, send any mail to "freebsd-scsi-unsubscribe@freebsd.org"= >>=20 >=20
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?6CDCDC5D-457F-47A2-86BB-2716934F4F63>