10 More Discussions You Might Find Interesting
1. Red Hat
I need to add a VMware virtual disk to the 99-oracle-asmdevices.rules file but the OS is not assigning a WWID to the disk. It has been fdisk'd and a single partition created.
What TAG inside the file needs to be added? the Program scsi-id does not work for some reason. latest patches... (0 Replies)
Discussion started by: mrmurdock
0 Replies
2. Red Hat
Hi,
I am trying to setup multipathing (using DM multipath) for a redhat cluster setup ...all setup is done but issue is :
node 1 shows the shared iscsi lun as sdc
node 2 shows the same as sdg (changes on reboots)
Due to this (i guess) i get i/o error & i can not read files created by... (0 Replies)
Discussion started by: heman96
0 Replies
3. AIX
is there any way to create shared virtual disk between two LPARs like how you can do it using Storage through Fiber on two servers ?
Trying to stimulate HACMP between two LPARs (1 Reply)
Discussion started by: filosophizer
1 Replies
4. HP-UX
Hello people.
I need to shared a disk between two virtuals hosts in the same Guest, and I don't see any help about this.
I'm working on HP-UX 11.31
Thanks to all.:b: (2 Replies)
Discussion started by: cegamboav
2 Replies
5. Solaris
Hi,
I have a very frustrating issue! I hope you guys can assist
When a disk is presented out the iSCSI target display a lower disk capacity
SOLARIS VERSION is SOLARIS 10 05/09 Kernel Patch 139555-31
ISCSI Patch 119090-31, 141878-11
Unix Commands To discover Target
bash-3.00# i... (0 Replies)
Discussion started by: capitalexall
0 Replies
6. UNIX for Dummies Questions & Answers
how to change ethernet cable of iscsi initiator (iscsi client) (0 Replies)
Discussion started by: pankajd
0 Replies
7. AIX
Hi All,
Recently I'm taking my first steps in AIX, initially with no real issues. Until now, off course...
I hooked up a couple of iSCSI disks to the system, with a RHEL5 machine running tgt on the other side. When running cfgmgr after initial configuration, I got an error:
# cfgmgr -l... (4 Replies)
Discussion started by: mr.aart
4 Replies
8. Solaris
These are findings by me with my little experience with Solaris 10. Please correct me if wrong..
In x86 systems with ide hard disk:
c= controller
d=disk
s=slice
1.Here controller c0 means the primary ide controller ide0.
controller c1 means the secondary ide controller ide1.
... (5 Replies)
Discussion started by: saagar
5 Replies
9. UNIX for Advanced & Expert Users
Hello,
I'm wondering what is the naming conventions for *.so shared libraries in linux. For example, a library in /lib, say libcrypt-2.7.so has a symbolic link called libcrypt.so.1 pointing to it, yet libncursesw.so.5.6 has a symbolic link called libncursesw.so.5 pointing to it. What is the... (2 Replies)
Discussion started by: neked
2 Replies
10. AIX
Hello
I am doing a HACMP set-up using AiX e-server p5 series. The very basic requirement for the set-up is Shared disk storage like Fast-T and the related hardware. But because of lack of this hardware I want to use the simulated shared disk environment which is implemented using Network Block... (0 Replies)
Discussion started by: kul_sharvari
0 Replies
i2o_bs(7D) Devices i2o_bs(7D)
NAME
i2o_bs - Block Storage OSM for I2O
SYNOPSIS
disk@local target id#:a through u
disk@local target id#:a through u raw
DESCRIPTION
The I2O Block Storage OSM abstraction (BSA, which also is referred to as block storage class) layer is the primary interface that Solaris
operating environments use to access block storage devices. A block storage device provides random access to a permanent storage medium.
The i2o_bs device driver uses I2O Block Storage class messages to control the block device; and provides the same functionality (ioctls,
for example) that is present in the Solaris device driver like 'cmdk, dadk' on x86 for disk. The maximum size disk supported by i2o_bs is
the same as what is available on x86.
The i2o_bs is currently implemented version 1.5 of Intelligent IO specification.
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
single read or write call usually results in one I/O operation; raw I/O is therefore considerably more efficient when many bytes are
transmitted. The names of the block files are found in /dev/dsk; the names of the raw files are found in /dev/rdsk.
I2O associates each block storage device with a unique ID called a local target id that is assigned by I2O hardware. This information can
be acquired by the block storage OSM through I2O Block Storage class messages. For Block Storage OSM, nodes are created in
/devices/pci#/pci# which include the local target ID as one component of device name that the node refers to. However the /dev names and
the names in /dev/dsk and /dev/rdsk do not encode the local target id in any part of the name.
For example, you might have the following:
/devices/ /dev/dsk name
---------------------------------------------------------------
/devices/pci@0,0/pci101e,0@10,1/disk@10:a /dev/dsk/c1d0s0
I/O requests to the 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 is used 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
/dev/rdsk/cndn[s|p]n raw device
where:
cn controller n
dn instance number
sn UNIX system slice n (0-15)
pn fdisk partition(0)
/kernel/drv/i2o_bs i2o_bs driver
/kernel/drv/i2o_bs.conf Configuration file
ATTRIBUTES
See attributes(5)
for descriptions of the following attributes:
+-----------------------------+-----------------------------+
|ATTRIBUTE TYPE |ATTRIBUTE VALUE
+-----------------------------+-----------------------------+
|Architecture |x86 |
+-----------------------------+-----------------------------+
SEE ALSO
fdisk(1M), format(1M)mount(1M),lseek(2), read(2), write(2), readdir(3C), vfstab(4), acct.h(3HEAD), attributes(5), dkio(7I)
SunOS 5.10 21 Jul 1998 i2o_bs(7D)