09-14-2012
scsi for Sun 711 multipack
Hello,
I have a sun multipack 711 (6 disk version) I want to add disk and wondered which scsi disk and scsi interface would be appropriate. According to my research the 711 is ultra scsi.
Looking on ebay its difficult to ascertain which type of scsi interface would be best. I simply want to fill the box with fastest scsi possible for a home network project.
I am concerned about compatibility issues, ie is ultra320 compatible are newer scsi drives going to work.
Any help appreciated.
PS will be connected to sun blade 150 and a sun ultra 10
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LEARN ABOUT DEBIAN
tapset::scsi
TAPSET::SCSI(3stap) TAPSET::SCSI(3stap)
NAME
tapset::scsi - systemtap scsi probe points
DESCRIPTION
This family of probe points is used to probe the SCSI activities. It contains the following probe points:
scsi.ioentry
Fires when SCSI mid layer prepares a SCSI request
Arguments:
disk_major
The major number of the disk
disk_minor
The minor number of the disk
device_state
The current state of the device. The possible values could be:
SDEV_CREATED = 1, /* device created but not added to sysfs
* Only internal commands allowed (for inq) */
SDEV_RUNNING = 2, /* device properly configured
* All commands allowed */
SDEV_CANCEL = 3, /* beginning to delete device
* Only error handler commands allowed */
SDEV_DEL = 4, /* device deleted
* no commands allowed */
SDEV_QUIESCE = 5, /* Device quiescent. No block commands
* will be accepted, only specials (which
* originate in the mid-layer) */
SDEV_OFFLINE = 6, /* Device offlined (by error handling or
* user request */
SDEV_BLOCK = 7, /* Device blocked by scsi lld. No scsi
* commands from user or midlayer should be issued
* to the scsi lld. */
scsi.iodispatching
Fires when the SCSI mid layer dispatches a SCSI command to the low level driver
Arguments:
host_no
The host number
channel
The channel number
lun
The lun number
dev_id
The scsi device id
device_state
The current state of the device.
data_direction
The data_direction specifies whether this command is from/to the device.
The possible values could be:
DMA_BIDIRECTIONAL = 0,
DMA_TO_DEVICE = 1,
DMA_FROM_DEVICE = 2,
DMA_NONE = 3,
request_buffer
The request buffer address
req_bufflen
The request buffer length
scsi.iodone
Fires when a SCSI command is done by low level driver and enqueued into the done queue.
Arguments:
host_no
The host number
channel
The channel number
lun
The lun number
dev_id
The scsi device id
device_state
The current state of the device
data_direction
The data_direction specifies whether this command is from/to the device.
scsi.iocompleted
Fires when SCSI mid layer runs the completion processing for block device I/O requests
Arguments:
host_no
The host number
channel
The channel number
lun
The lun number
dev_id
The scsi device id
device_state
The current state of the device
data_direction
The data_direction specifies whether this command is from/to the device.
goodbytes
The bytes completed.
SEE ALSO
stap(1), stapprobes(3stap)
IBM
TAPSET::SCSI(3stap)