From: Patrick Mau <mau@oscar.ping.de>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Question about "Not Ready" SCSI error
Date: Sun, 30 Jul 2006 20:10:19 +0200 [thread overview]
Message-ID: <20060730181014.GA13456@oscar.prima.de> (raw)
Hallo everyone
Today one of my SCSI drives decided to shutdown for no obvious reason.
I suspect heat or a bad power supply. Syslog shows a repeating stream
of the following:
Jul 30 15:51:30 tony kernel: sd 0:0:0:0: Device not ready: <6>: Current: sense key=0x2
Jul 30 15:51:30 tony kernel: ASC=0x4 ASCQ=0x2
Jul 30 15:51:30 tony kernel: end_request: I/O error, dev sda, sector 617358
Google revealed[1] that the drive is waiting for a START UNIT command,
but it seems that the kernel is not attempting to spin up the drive
again.
After a complete power-cycle the drive worked again. I just wanted to
know if this is a shortcoming in the SCSI error handling codepath.
Regards,
Patrick
Additional Info:
Kernel: 2.6.18-git (from 29-July-2006)
SCSI HW: Adaptec 3960D Ultra160 SCSI adapter
aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
Harddisk: Vendor: IBM
Model: IC35L036UCD210-0
Rev: S5BA
Type: Direct-Access
ANSI SCSI revision: 03
Tagged Queuing enabled. Depth 64
FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 63)
[1] http://en.wikipedia.org/wiki/KCQ
2 04 02 Not Ready - need initialise command (start unit)
next reply other threads:[~2006-07-30 18:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-30 18:10 Patrick Mau [this message]
2006-07-30 21:52 ` Question about "Not Ready" SCSI error Johannes Weiner
2006-07-30 23:22 ` Stefan Richter
2006-07-30 22:28 ` Johannes Weiner
2006-07-31 23:13 ` Philippe Troin
2006-08-01 5:56 ` Stefan Richter
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