LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

cciss.4: FIXMEs resolved 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Stephen Cameron 2011-09-22 05:03:40 +02:00 committed by Michael Kerrisk
parent 536fabdfa1
commit c98253f801
1 changed files with 10 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
man4/cciss.4
View File

@ -182,10 +182,8 @@ A symbolic link to
.IR /sys/block/cciss!cXdY .
.TP
.I /sys/bus/pci/devices/<dev>/ccissX/rescan
.\" FIXME The following is not clear. How is the rescan kicked off?
.\" Do you write something to this file?
Kicks off a rescan of the controller to discover
logical drive topology changes.
When this file is written to, the driver rescans the controller
to discover any new, removed or modified logical drives.
.TP
.I /sys/bus/pci/devices/<dev>/ccissX/resettable
A value of 1 displayed in this file indicates that
@ -296,13 +294,14 @@ as SCSI devices to the SCSI midlayer by the
driver.
Specifically, physical SCSI disk drives are
.I not
presented to the SCSI midlayer.
.\" FIXME The following sentence doesn't quite parse smantically, and it
.\" presents multiple ideas. Please rewrite as shorter sentences.
The physical SCSI disk drives are controlled directly by the array controller
hardware and it is important to prevent the kernel from attempting to directly
access these devices too, as if the array controller were merely a SCSI
controller in the same way that we are allowing it to access SCSI tape drives.
presented to the SCSI midlayer. The only disk devices
which are presented to the kernel are are logical
drives which the array controller constructs from regions on
the physical drives. The logical drives are presented to the
block layer not the SCSI midlayer. It is important for the driver
to prevent the kernel from accessing the physical drives directly
since these drives are used by the array controller to construct
the logical drives.
.SS SCSI error handling for tape drives and medium changers
The Linux SCSI midlayer provides an error-handling protocol which
is initiated whenever a SCSI command fails to complete within a
@ -320,9 +319,6 @@ If that doesn't work, the SCSI bus is reset.
.IP *
If that doesn't work the host bus adapter is reset.
.LP
.\" FIXME Check the following. There was a very long sentence here that
.\" was hard to parse. I broke it into 3 sentences. Is the meaning still
.\" correctly conveyed?
The
.B cciss
driver is a block