10-07-2010
Can You Mount FAT32 iSCSI Target in Solaris 10 (sparc)?
I get "mount: I/O error" when trying to mount an existing FAT32 iSCSI target. I also tried formatting the iSCSI target with fdisk and got
fdisk: "Error in ioctl DKIOCSMBOOT"
Details --
According to the format command, the whole disk is allocated to slice 6 and /dev/rdsk shows this as:
lrwxrwxrwx 1 root root 110 Oct 6 08:22 c9t6d0s6 -> ../../devices/iscsi/disk@0000iqn.1986-03.com.sun%3A02%3A7baf5e59-8829-44bf-d575
-e8931cf3bb16.watch0001,0:g,raw
When I tried fdisk, on slice 2 or 6 I get:
# fdisk /dev/rdsk/c9t6d0s6
Error in ioctl DKIOCGMBOOT: Invalid argument
No fdisk table exists. The default partition for the disk is:
a 100% "SOLARIS System" partition
Type "y" to accept the default partition, otherwise type "n" to edit the
partition table.
(going through the motions of this ends in the error again when you exit)
When I try any other slice or c9t6d0s2:c
I get:
fdisk: Cannot open device /dev/rdsk/c9t6d0s2:c
Is it possible to mount any kind of pcfs iSCSI target on a Solaris (sparc) initiator?
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cmdk(7D) Devices cmdk(7D)
NAME
cmdk - common disk driver
SYNOPSIS
cmdk@target, lun : [ partition | slice ]
DESCRIPTION
The cmdk device driver is a common interface to various disk devices. The driver supports magnetic fixed disks and magnetic removable
disks.
The block-files access the disk using the system's normal buffering mechanism and are read and written without regard to physical disk
records. There is also a "raw" interface that provides for direct transmission between the disk and the user's read or write buffer. A sin-
gle read or write call usually results in one I/O operation; raw I/O is therefore considerably more efficient when many bytes are transmit-
ted. The names of the block files are found in /dev/dsk; the names of the raw files are found in /dev/rdsk.
I/O requests to the magnetic disk must have an offset and transfer length that is a multiple of 512 bytes or the driver returns an EINVAL
error.
Slice 0 is normally used for the root file system on a disk, slice 1 as a paging area (for example, swap), and slice 2 for backing up the
entire fdisk partition for Solaris software. Other slices may be used for usr file systems or system reserved area.
Fdisk partition 0 is to access the entire disk and is generally used by the fdisk(1M) program.
FILES
/dev/dsk/cndn[s|p]n block device (IDE)
/dev/rdsk/cndn[s|p]n raw device (IDE)
where:
cn controller n
dn lun n (0-7)
sn UNIX system slice n (0-15)
pn fdisk partition(0)
/kernel/drv/cmdk 32-bit kernel module.
/kernel/drv/amd64/cmdk 64-bit kernel module.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Architecture |x86 |
+-----------------------------+-----------------------------+
SEE ALSO
fdisk(1M), mount(1M), lseek(2), read(2), write(2), readdir(3C), scsi(4), vfstab(4), attributes(5), dkio(7I)
SunOS 5.10 9 Oct 2004 cmdk(7D)