User talk:Kv1394

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I have bought a Maxtor onetouch 4 plus firewire 400 (500GB) external hard drive to be used as shared drive for Oracle ARC testing. I am following the document http://www.idevelopment.info/data/Oracle/DBA_tips/Oracle10gRAC/CLUSTER_10.shtml I could not get one of the drives listed in the document so I have bought maxtor one touch 4 plus firewire drive. When I tried following the instructions in the above RAC document I could not see the external hard drive. It showed probing the new drive at the time boot and I have selected configure. I have tried the troubleshooting notes shown in the above document also but that did not help. Here are some of the commands I have tried:


ot@linux1 ~]# df -k Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/VolGroup00-LogVol00

                     74667184   6385432  64488856  10% /

/dev/hda1 101086 9157 86710 10% /boot none 517136 0 517136 0% /dev/shm


ot@linux1 ~]# fdisk -l

Disk /dev/hda: 80.0 GB, 80000000000 bytes 255 heads, 63 sectors/track, 9726 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes

  Device Boot      Start         End      Blocks   Id  System

/dev/hda1 * 1 13 104391 83 Linux /dev/hda2 14 9726 78019672+ 8e Linux LVM


[root@linux1 ~]# lspci 00:00.0 Host bridge: Intel Corporation 82865G/PE/P DRAM Controller/Host-Hub Interface (rev 02) 00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated Graphics Controller (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #2 (rev 02) 00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #4 (rev 02) 00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2) 00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface Bridge (rev 02) 00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller (rev 02) 00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 02) 00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02) 01:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 46) 01:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10) 01:08.0 Ethernet controller: Intel Corporation 82562EZ 10/100 Ethernet Controller (rev 02)


[root@linux1 ~]# dmesg | grep sbp2 sbp2: $Rev: 1265 $ Ben Collins <bcollins@debian.org> ieee1394: sbp2: Error querying logins to SBP-2 device - timed out ieee1394: sbp2: Device does not support any more concurrent logins sbp2: probe of 0010b90211480b2d-0 failed with error -16 ieee1394: sbp2: Error querying logins to SBP-2 device - timed out ieee1394: sbp2: Device does not support any more concurrent logins sbp2: probe of 0010b90211480b2d-0 failed with error -16


I am using 2 dell dimension 3000 systems with Intel Pentium IV 3.0Ghz processor, 80GB HDD, 1GB RAM. Appreciate any help to resolve this issu. Regards kv1394

disk enclosure not suitable

The SBP-2 bridge chip in this disk enclosure is not able to support concurrent access from more than one initiator (host). You need a disk enclosure with OxSemi chip. I just updated "FAQ#Is it possible to use a 1394 disk drive from two hosts simultaneously?" to list this requirement explicitly.

Stefan Richter 08:43, 19 October 2008 (UTC)

Thank you very much for the answer. I did ask the manufacturer soon after I bought it and remember him saying maxtor onetouch 4 plus chipset as oxford some number. i will ask them one more time. However appreciate if you can update this post with any firewire external drive you know of with chipset required for concurrent logins. The oracle document I have been referring has specified maxtor onetouch II and III drives which I am trying but not able to get. kv1394

I believe SATA to FireWire bridges are currently from OxSemi only. So if you get a FireWire drive with SATA mechanism in it or even with FireWire + eSATA interface (and maybe USB in addition), then it is highly likely that an OxSemi chip is in it.
One of the vendors who use OxSemi chips is MacPower. Their IDE to FireWire 400 + USB 2.0 drives are Prolific based nowadays though. There are several resellers of MacPower enclosures; some also sell them under own brands.
Stefan Richter 21:30, 22 October 2008 (UTC)

Thank you very much for the information. Really apprecite it. kv

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