Disk /dev/sdb doesn't contain a valid partition table
Hello,
I have rebooted the RHEL VM but after rebooting the vm it not showing all the partition mounted on OS level, if i'll execute the fdisk -l command, then i'm able to see the same disk. below is the fdisk output :
Kindly help on the same.
Last edited by Scrutinizer; 11-03-2015 at 03:37 PM..
Reason: code tags for data as well
hi,
I have a SCO unix server which has a 36gb hard drive, but the IT company who supplied it assigned 1gb to /dev/root, 15mb to /dev/boot and 33gb to /dev/u.
The /dev/root partition is now full, is there a way I can use the 33gb assigned to /dev/u without loosing any data, preferably... (2 Replies)
Hello everyone -
Please forgive me if I violate the forum's etiquette as this is my very first post. I'm posting this on both the dummies and the advance section with the hope for any responses.
I stumbled on this forum while frantically looking for an answer to a dumb, ignorant thing I did... (2 Replies)
Hello everyone -
Please forgive me if I violate the forum's etiquette as this is my very first post. I'm posting this on both the dummies and the advance section with the hope for any responses.
I stumbled on this forum while frantically looking for an answer to a dumb, ignorant thing I did... (5 Replies)
Hi,
Is someone knows how or maybe the caused why my USB 3G dongle doesn't work when plug-in after boot the /dev/ttyUSB*
I wonder how this /dev/ttyUSB1-4 works, i had a 3G USB dongle for my internet connection before i used lucyd lynx this the same USB dongle works fine when i plug-in after... (2 Replies)
I have a drive full of diagnostic images (ASD), and I also use it for storage, installers, etc. When I plug it in to a booted system, it has to mount every single volume (about 25) which can take some time. I would like to keep all the ASD partitions from mounting when plugged in/at boot. I know... (0 Replies)
Hi All,
We have got a USB HDD with important data in it. The data has been copied to the disk(formatted ext3) via a LINUX system.
The data was supposed to be copied to a second LINUX machine. Surprisingly, it doesn't show up any valid partitions in the new box.
dmesg:
usb1-3:... (2 Replies)
Hi,
I need to mount the device from this device
# fdisk -l
.
.
.
Disk /dev/sdas: 2000.4 GB, 2000365289472 bytes
255 heads, 63 sectors/track, 243197 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size... (0 Replies)
Hi,
Please suggest steps to change grub from /dev/sda to /dev/sdb, (1 Reply)
Discussion started by: manoj.solaris
1 Replies
LEARN ABOUT OPENSOLARIS
prtvtoc
prtvtoc(1M) System Administration Commands prtvtoc(1M)NAME
prtvtoc - report information about a disk geometry and partitioning
SYNOPSIS
prtvtoc [-fhs] [-t vfstab] [-m mnttab] device
DESCRIPTION
The prtvtoc command allows the contents of the label to be viewed. The command can be used only by the super-user.
The device name can be the file name of a raw device in the form of /dev/rdsk/c?t?d?s2 or can be the file name of a block device in the
form of /dev/dsk/c?t?d?s2.
OPTIONS
The following options are supported:
-f Report on the disk free space, including the starting block address of the free space, number of blocks, and unused parti-
tions.
-h Omit the headers from the normal output.
-m mnttab Use mnttab as the list of mounted filesystems, in place of /etc/mnttab.
-s Omit all headers but the column header from the normal output.
-t vfstab Use vfstab as the list of filesystem defaults, in place of /etc/vfstab.
EXAMPLES
Example 1 Using the prtvtoc Command
The following example uses the prtvtoc command on a 424-megabyte hard disk:
example# prtvtoc /dev/rdsk/c0t3d0s2
* /dev/rdsk/c0t3d0s2 partition map
*
* Dimension:
* 512 bytes/sector
* 80 sectors/track
* 9 tracks/cylinder
* 720 sectors/cylinder
* 2500 cylinders
* 1151 accessible cylinders
*
* Flags:
* 1: unmountable
* 10: read-only
* * First Sector Last
* Partition Tag Flags Sector Count Sector Mount Directory
0 2 00 0 76320 76319 /
1 3 01 76320 132480 208799
2 5 00 0 828720 828719
5 6 00 208800 131760 340559 /opt
6 4 00 340560 447120 787679 /usr
7 8 00 787680 41040 828719 /export/home
example#
The data in the Tag column above indicates the type of partition, as follows:
Name Number
UNASSIGNED 0x00
BOOT 0x01
ROOT 0x02
SWAP 0x03
USR 0x04
BACKUP 0x05
STAND 0x06
VAR 0x07
HOME 0x08
ALTSCTR 0x09
CACHE 0x0a
RESERVED 0x0b
The data in the Flags column above indicates how the partition is to be mounted, as follows:
Name Number
MOUNTABLE, READ AND WRITE 0x00
NOT MOUNTABLE 0x01
MOUNTABLE, READ ONLY 0x10
Example 2 Using the prtvtoc Command with the -f Option
The following example uses the prtvtoc command with the -f option on a 424-megabyte hard disk:
example# prtvtoc -f /dev/rdsk/c0t3d0s2
FREE_START=0 FREE_SIZE=0 FREE_COUNT=0 FREE_PART=34
Example 3 Using the prtvtoc Command on a Disk Over One Terabyte
The following example uses uses the prtvtoc command on a disk over one terabyte:.
example# prtvtoc /dev/rdsk/c1t1d0s2
* /dev/rdsk/c1t1d0s2 partition map
*
* Dimensions:
* 512 bytes/sector
* 3187630080 sectors
* 3187630013 accessible sectors
*
* Flags:
* 1: unmountable
* 10: read-only
*
* First Sector Last
* Partition Tag Flags Sector Count Sector Mount Directory
0 2 00 34 262144 262177
1 3 01 262178 262144 524321
6 4 00 524322 3187089340 3187613661
8 11 00 3187613662 16384 318763004
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO devinfo(1M), fmthard(1M), format(1M), mount(1M), attributes(5)WARNINGS
The mount command does not check the "not mountable" bit.
SunOS 5.11 25 Jul 2002 prtvtoc(1M)