Hi Guys,
Need to add 2 disks into a JBOD array (3310).
Does anyone see anything wrong with my Procedure / Doco below?
1> Logon to system, check system logs for abnormal entries.
2> Make backups of related system files:
A>cp -p /etc/system /etc/system.backup.081505
B>cp -p /etc/vfstab... (3 Replies)
Hi there,
My task is to replace the two 73 G disks with two 143 G disks , which has vxvm 4.1 running on it. I would like to know whether the steps iam following are correct.
1. Break the sub-disks, plexes of the root mirror.
2. Remove the sub-disks,plexes of the root mirror.
3. Remove one of... (10 Replies)
hello everybody,
I have a system in Solaris 8 with SDS 4.2.1
I need to mirror the system disk which has the following characteristics :
* /dev/rdsk/c0t0d0s2 partition map
*
* Dimensions:
* 512 bytes/sector
* 133 sectors/track
* 27 tracks/cylinder
* 3591 sectors/cylinder... (3 Replies)
Hi all,
we have an existing system that was configured using just one of the (two) internal disks. I want to mirror the disk using SVM, but have realised there is no free slice for creating the metadb's. Is there a workaround I can use for this?
In the past we have always kept slice 7 free -... (8 Replies)
Need a procedure document to do "root disk mirroring in solaris volume manager for solaris 10". I hope some one will help me asap. I need to do it production environment.
Let me know if you need any deatils on this.
Thanks,
Rama (1 Reply)
I tried doing rootdisk mirroring in my local host , i added a new Ide disk in my system
and copied the prtvtoc from root disk to the newly added disk, and then when i tried to add database replicas on both the disks, it was added for boot disk but for the newly added disk i gave the error, which... (6 Replies)
I would like to perform root disk mirroring task. Can someone please help me out on this.
Thanks !!
Regards,
Rama (2 Replies)
Discussion started by: ramagore85
2 Replies
LEARN ABOUT SUNOS
read_vtoc
read_vtoc(3EXT) Extended Library Functions read_vtoc(3EXT)NAME
read_vtoc, write_vtoc - read and write a disk's VTOC
SYNOPSIS
cc [ flag ... ] file ... -ladm [ library ... ]
#include <sys/vtoc.h>
int read_vtoc(int fd, struct vtoc *vtoc);
int write_vtoc(int fd, struct vtoc *vtoc);
DESCRIPTION
The read_vtoc() function returns the VTOC (volume table of contents) structure that is stored on the disk associated with the open file
descriptor fd.
The write_vtoc() function stores the VTOC structure on the disk associated with the open file descriptor fd.
The fd argument refers to any slice on a raw disk.
RETURN VALUES
Upon successful completion, read_vtoc() returns a positive integer indicating the slice index associated with the open file descriptor.
Otherwise, it returns a negative integer indicating one of the following errors:
VT_EIO An I/O error occurred.
VT_ENOTSUP This operation is not supported on this disk.
VT_ERROR An unknown error occurred.
Upon successful completion, write_vtoc() returns 0. Otherwise, it returns a negative integer indicating one of the following errors:
VT_EINVAL The VTOC contains an incorrect field.
VT_EIO An I/O error occurred.
VT_ENOTSUP This operation is not supported on this disk.
VT_ERROR An unknown error occurred.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO fmthard(1M), format(1M), prtvtoc(1M), ioctl(2), efi_alloc_and_init(3EXT), attributes(5), dkio(7I)BUGS
The write_vtoc() function cannot write a VTOC on an unlabeled disk. Use format(1M) for this purpose.
SunOS 5.10 25 Jul 2002 read_vtoc(3EXT)
03-18-2010
