Simple fix, Adaptec & CentOS = :-( LSI & CentOS = :-) We spent a few days trying to get Adaptec cards working with LTO-3 drives. It was suggested to me from this list to try an LSI, we bought one, it worked, problem solved. Dean David Groep wrote: > [sorry for breaking the threading, only joined after reading this on > the web] > > Michael St. Laurent wrote: >> I'm having speed problems with the SCSI card we're using to do tape >> backup. It seems to be functioning in 16 bit mode and the current >> thinking is that perhaps it's using a legacy driver instead of the >> correct one. The Adaptec site has a 'driver' for RHEL5 which I've >> downloaded and tried to install but it seems to have a problem >> installing on a CentOS-5 system. > > Hit this same issue with a slightly different configuration, and > although not able to offer a solution, I can at least give some more > boundary conditions. As I see it now, it starts to look like a driver > issue. > > - I found the issue with a 39320 controller on CentOS5/i386, > talking to an Infortrend IFT-7250F enclosure. It should be doing > U160 (Wide, 80 MHz synchonous), but it decays to 3.300 MB/s > transfers. The driver indeed even says the "Goal" is 3.300 MB/s ... > > It is confirmed by the infortrend: it shows asynchonous/narrow as > transfer settings for the SCSI channels after loading the aic79xx > driver. > > - Exchanging the 39320 for a 29320, still on the same machine with > CentOS5/i386, does not change it: still 3.300 MB/s (as confirmed > by the infortrend itself) > > - putting this same 29320, with the same IFT7250F and with the > same cabling, in another machine running CentOS3.7: presto, it > synchonizes again at 160 MB/s (Wide, 80 MHz)! > > - similar Adaptec 29320 and 39320's in a CentOS4/i386 box, connected > to similar Infortrends: work correctly at 160 and 320 MB/s > > - Booting into kernel 2.6.18-8.el5 or 2.6.18-8.1.8.el5 makes no > difference > > For CentOS5, the aic79xx driver is "Version: 3.0". For CentOS3 it's > using driver "1.3.10-RH1", and for the CentOS4 systems, it's "1.3.11". > What changed between 1.3.11 and 3.0? > > At least you're not alone ... > > Regards, > DavidG. > > PS: and indeed, the adaptec driver RPM does not install correctly, > with > the same errors you reported below. > >> [root <at> hcnas modules]# cd /proc/scsi >> [root <at> hcnas scsi]# cat scsi >> Attached devices: >> Host: scsi0 Channel: 00 Id: 08 Lun: 00 >> Vendor: DP Model: BACKPLANE Rev: 1.05 >> Type: Enclosure ANSI SCSI revision: 05 >> Host: scsi0 Channel: 02 Id: 00 Lun: 00 >> Vendor: DELL Model: PERC 5/i Rev: 1.03 >> Type: Direct-Access ANSI SCSI revision: 05 >> Host: scsi1 Channel: 00 Id: 06 Lun: 00 >> Vendor: CERTANCE Model: ULTRIUM 2 Rev: 1914 >> Type: Sequential-Access ANSI SCSI revision: 03 >> Host: scsi1 Channel: 00 Id: 06 Lun: 01 >> Vendor: DELL Model: PV-124T Rev: 0043 >> Type: Medium Changer ANSI SCSI revision: 02 >> Host: scsi3 Channel: 00 Id: 00 Lun: 00 >> Vendor: Dell Model: Virtual CDROM Rev: 123 >> Type: CD-ROM ANSI SCSI revision: 02 >> Host: scsi4 Channel: 00 Id: 00 Lun: 00 >> Vendor: Dell Model: Virtual Floppy Rev: 123 >> Type: Direct-Access ANSI SCSI revision: 02 >> [root <at> hcnas scsi]# ll total 0 >> dr-xr-xr-x 2 root root 0 Aug 3 13:21 aic79xx >> -r--r--r-- 1 root root 0 Aug 3 13:21 device_info >> -r--r--r-- 1 root root 0 Aug 3 13:21 scsi >> dr-xr-xr-x 2 root root 0 Aug 3 13:21 sg >> dr-xr-xr-x 2 root root 0 Aug 3 13:21 usb-storage >> [root <at> hcnas scsi]# cd aic79xx/ >> [root <at> hcnas aic79xx]# ll >> total 0 >> -rw-r--r-- 1 root root 0 Aug 3 13:09 1 >> -rw-r--r-- 1 root root 0 Aug 3 13:09 2 >> [root <at> hcnas aic79xx]# cat 1 >> Adaptec AIC79xx driver version: 3.0 >> Adaptec 39320A Ultra320 SCSI adapter >> aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI-X 101-133Mhz, 512 >> SCBs Allocated SCBs: 4, SG List Length: 128 >> >> Serial EEPROM: >> 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 >> 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 0x17c8 >> 0x09f4 0x0142 0x2807 0x0010 0xffff 0xffff 0xffff 0xffff >> 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0x0430 0xb3f3 >> >> Target 0 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 1 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 2 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 3 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 4 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 5 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 6 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Goal: 3.300MB/s transfers >> Curr: 3.300MB/s transfers >> Channel A Target 6 Lun 0 Settings >> Commands Queued 29 >> Commands Active 0 >> Command Openings 1 >> Max Tagged Openings 0 >> Device Queue Frozen Count 0 >> Channel A Target 6 Lun 1 Settings >> Commands Queued 20 >> Commands Active 0 >> Command Openings 1 >> Max Tagged Openings 0 >> Device Queue Frozen Count 0 >> Target 7 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 8 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 9 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 10 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 11 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 12 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 13 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 14 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) Target 15 Negotiation Settings >> User: 320.000MB/s transfers (160.000MHz >> RDSTRM|DT|IU|RTI|QAS, 16bit) [root <at> hcnas ~]# rpm -e >> a320raid-3.00.063.5.V580A1-1 [root <at> hcnas ~]# rpm -ivh >> a320raid.rhel5.i686.rpm >> Preparing... >> ########################################### [100%] 1:a320raid >> ########################################### [100%] >> >> Adaptec adp94xx driver installer - V1.2.5934.0-1 >> >> Backing up all modified files to /boot/adp94xx-backup-3 >> >> Using GRUB configuration >> If this is not what you want, rename your /boot/grub/grub.conf file >> /boot -rw------- 1 root root 2403411 Jul 27 14:47 >> initrd-2.6.18-8.1.8.el5.img >> >> /boot/vmlinuz-2.6.18-8.1.8.el5 /boot/initrd-2.6.18-8.1.8.el5.img >> CentOS (2.6.18-8.1.8.el5) Configuration [CentOS (2.6.18-8.1.8.el5)] >> /boot/vmlinuz-2.6.18-8.1.8.el5 -> 2.6.18-8.1.8.el5 >> >> ****** PROBLEM ******* >> No prebuilt module for 2.6.18-8.1.8.el5 i686 >> ********************** >> /boot >> -rw------- 1 root root 2403318 Jul 27 07:39 initrd-2.6.18-8.el5.img >> >> /boot/vmlinuz-2.6.18-8.el5 /boot/initrd-2.6.18-8.el5.img CentOS >> (2.6.18-8.el5) Configuration [CentOS (2.6.18-8.el5)] >> /boot/vmlinuz-2.6.18-8.el5 -> 2.6.18-8.el5 >> >> ****** PROBLEM ******* >> No prebuilt module for 2.6.18-8.el5 i686 >> ********************** >> >> *************************************** >> ******** NO MODULES INSTALLED ********* >> *************************************** >> >> Done. >> error: %post(a320raid-3.00.063.5.V580A1-1.i686) scriptlet failed, >> exit status 1 [root <at> hcnas ~]#