Date: Tue, 01 Dec 1998 22:27:51 -0500 From: Adam McDougall <bsdx@spawnet.com> To: "Kenneth D. Merry" <ken@plutotech.com>, scsi@FreeBSD.ORG Subject: Re: tosha reports random errors after transition to CAM Message-ID: <3664B3B7.1ABB1D6E@spawnet.com> References: <199812020158.SAA23279@panzer.plutotech.com>
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Kenneth D. Merry wrote: > > Adam McDougall wrote... > > Kenneth D. Merry wrote: > > > Adam McDougall wrote... > > > Justin suspects that the drive may not be handling 6-byte reads and writes > > > properly. > > > > > > > dpt0: <DPT Caching SCSI RAID Controller> rev 0x02 int a irq 12 on > > > > pci0.17.0 > > > > dpt0: DPT PM2144UW FW Rev. 07LY, 1 channel, 64 CCBs > > > > da0: <QUANTUM VIKING 4.5 WSE 8808> Fixed Direct Access SCSI2 device > > > > da0: Tagged Queueing Enabled > > > > da0: 4345MB (8899736 512 byte sectors: 255H 63S/T 553C) > > > > > > Try this -- go into sys/cam/scsi/scsi_da.c, and on about line 1079, adjust > > > the minimum_cmd_size for the read and write commands to 10 bytes. > > > > > > > THANK YOU!!!! works PERFECT now :) > > > > So, what does this mean the problem might be? > > It means you're the victim of yet another high quality Quantum drive. > (i.e., it's a firmware bug) Next time, buy Seagate or IBM. > > Try the attached patch, and see if it works for you. If it does, I'll > probably commit it or something close to it. > > Also -- please CC your mail to me, and don't send it just to the list. > You may get a faster response that way. > > Ken > -- > Kenneth Merry > ken@plutotech.com > > ------------------------------------------------------------------------ > > Name: scsi_da.no_6_byte.120198 > scsi_da.no_6_byte.120198 Type: Plain Text (text/plain) > Encoding: 7bit > Description: scsi_da.no_6_byte.120198 yup that applies and works good. Thanks for the help! And no more quantums for me, I've had my share of goofyness. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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