Adaptec AHA-294OU2 SCSI adapter (rev .11) KeyLabs September 9 1999 This document presents the results of the Linux Compatibility test, which included the installation and testing of SuSE 6.0 with the Adaptec AHA-294OU2 SCSI adapter. KeyLabs' Linux compatibility testing of these components showed the Adaptec AHA-294OU2 SCSI adapter to be compatible with SuSE 6.0. The Adaptec AHA-294OU2 SCSI adapter is awarded the KeyLabs Linux Compatibility mark. CARD DETECTION PASS Comments After inserting the card and connecting the Seagate drive, The tester posted the machine and entered the SCSI bios. A Causal inspection of the card's default settings found no obvious errors. The computer was booted to the Suse CD. The drive was then partitioned using the fdisk utility that was part of the installation utility. Partitions sda1 sda2 sda3 and sda5 were created. The sizes were 4GB, 1.5GB, 2.5GB and 100MB respectively. The install program formatted and checked for bad blocks. None were found. A full installation was run from the CD and a general configurations was completed. DRIVER INSTALLATION PASS Comments DRIVE PREP PASS Comments FORMAT TEST PASS Comments BOTTLENECK TEST PASS Comments The bonnie hard drive testing utility was downloaded and uncompressed in the /tmp directory. A test file of 600Mbytes was used to avoid any harddrive cache that might skew the test results. According to the bonnie documentation a test file of at least twice the physical memory should be used. The drive was capable of 10MB/sec external transfers but was only doing 5 MB /sec. A check of /var/log/dmesgfile confirmed that the drive was only loading on boot in asynchronous mode. Operated in this mode the max possible speed is 5MB/sec according to the drive manufacturer. MULTIPLE DEVICE TEST PASS Comments The 2.5 GB drive was attached to the same card as the IBM drive. The SCSI ID was set to two for this drive. Partitions sdb1,sdb2 and sdb5 were created using the fdisk program. Partition sdb1 was formatted and mounted under /mnt/sdb1. The bonnie program was copied there. Simultaneous copies of bonnie were run on the two drives from consoles 1 and 2. P> ie ./bonnie -s 600 >/mnt/floppy/2940u2/onecard.sda1 ./bonnie -s 600 >/mnt/floppy/2940u2/onecard.sdb1 MULTIPLE CARD/DRIVES TEST PASS Comments The 2.5GM drive was disconnected from the card. A second 294OU2 card was installed into the machine. This was connected to the 2.5GB drive. The machine was booted. Because the second card was inserted into the pci socket with a lower ID number than the first SCSI card, the machine tried to boot from the 2.5GB drive and not the 8GB drive. Simply swapping the drives solved this issue. Further tests were all setup with the boot drive on the PCI socket with the lowest ID. It is possible to setup the boot drive in a higher slot but not worth the time for this test. Sdb1 was mounted. The bonnie program was the simultaneously run on console 1 and 2 from both drives and the results saved for later comparison. ie ./bonnie -s 600 >/mnt/floppy/2940u2/twocard.sda1 ./bonnie -s 600 >/mnt/floppy/2940u2/twocard.sdb1

SOFTWARE RAID TEST

PASS

Comments mdutils.rpm is part of the SuSE Package which simplified the installation. For this test a linear raid was setup for this test . Verification was made that the md devices existed in the / dev directory. The mdtab file was created using mdcreate. i.e mdcreate linear /dev/md0 /dev/sda2 /dev/sbd2 The multidevice was added to the device list using mdadd -a. It was then run to make it accessible using mdrun -a. Both functions could be accomplished using one command, mdadd -ar. The partition was then formatted for ext2, using mke2fs. Tester then mounted the device under /mnt/md0. From here the bonnie program was copied to /mnt/md0. It was then run the same as in the other tests.After one reboot the md0 partition was automatically detected and mounted. Bonnie was then run.

Hardware Used for Testing

IBM Mpro Dual Pentium III 500 Mhz with 256 MB RAM. Two SCSI hard drives: IBM PCCO DDRS-39130W supplied with the Mpro as sdb, and a Seagate ST32250W as sda. The drives switched between sdb and sda.

Setup

The installation cdrom was run off the internal IDE controller but no IDE harddrive was used. All software was run directly form the SCSI drives. Unless specifically noted, the test file written by the bonnie test program was 600 Mbytes. The large size was used to avoid any caching.

Additional notes are available describing testing procedures used with this SCSI controller card.

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