04-04-2019
Where exactly does your if=/dev/INSTALLERDRIVE in post #8 point to?
Setting dd's blocksize to, say, 1MB or two in lieu of the default 512 byte would drastically reduce the transfer time.
10 More Discussions You Might Find Interesting
1. Solaris
Hello all..
I have a Verbatim 2 GB flash drive. I also have Solaris 10 running on my workstation. If I am in the Windows environment, it detects the flash drive. But when I plug it while I am in solaris, nothing happens. How will solaris 10 detect my flash drive? What do I have to do?
any... (4 Replies)
Discussion started by: vr76413
4 Replies
2. UNIX for Dummies Questions & Answers
hello forum..
i am using RHEL 4.0 and my system is dual boot.normally the usb flash drive should be auto mount , but in my system i am unable to mount the drive plz help...
i am a new user so plz give me in detail.
thank u in advance. (5 Replies)
Discussion started by: manoranjan
5 Replies
3. SCO
Can anybody help me out to mount USB flash /floppy drive in sco openserver 6.0 . (5 Replies)
Discussion started by: sureshdrajan
5 Replies
4. UNIX for Dummies Questions & Answers
Where can I get a driver that support usb flash drives for my unix machines. I need a solution to transfer data easily for techs. I am running C3750 and c8000 HP equipment.
Or is there a way to mount them and use them without adding drivers? thanks! (0 Replies)
Discussion started by: jkend12
0 Replies
5. Solaris
# rmformat
Looking for devices...
1. Logical Node: /dev/rdsk/c0t0d0p0
Physical Node: /pci@0,0/pci-ide@1f,1/ide@0/sd@0,0
Connected Device: HL-DT-ST DVD+-RW GWA4164B E113
Device Type: DVD Reader/Writer
2. Logical Node: /dev/rdsk/c2t0d0p0
Physical Node:... (26 Replies)
Discussion started by: seyiisq
26 Replies
6. Ubuntu
I am working on an Ubuntu Linux 8.10 system that I do not want to reboot. For some reason, USB flash drives (mass storage devices) now no longer automount. I want to restore that functionality without rebooting. I can manually mount and unmount these things by doing:
cd /media
sudo mkdir thing... (4 Replies)
Discussion started by: ropers
4 Replies
7. UNIX for Dummies Questions & Answers
Hello,
I have an 8gb usb flash drive that I had high aspirations of using for a recovery/install/messing around multipurpose drive.
fdisk shows:
$ sudo fdisk -l /dev/sdb
password for woodnt:
Disk /dev/sdb: 8036 MB, 8036285952 bytes
255 heads, 63 sectors/track, 977 cylinders
Units =... (0 Replies)
Discussion started by: Narnie
0 Replies
8. Boot Loaders
I wanna install grub on my flash drive for rescue usage.
My computer installs winxp, and I have fedora12 installed in vmware. I did like this:
step1: format the flash drive as FAT in winXP.
step2: in fedora12, mount the flash drive on /media/flash
step3: excute the command: grub-install... (10 Replies)
Discussion started by: vistastar
10 Replies
9. UNIX for Advanced & Expert Users
Hello All,
I faced a unique issue. I have written a script for transferring backup data on my host machine to a USB Flash drive. The Flash drive must be of 16GB size. So, my script creates two primary partitionon the USB flash drive. I require approx 5900 cylinders for the first partition on... (8 Replies)
Discussion started by: Pkumar Sachin
8 Replies
10. Ubuntu
I'd like to make bootable USB flash with 12.04 desktop on it with some additional packages and customizations, such as added language.
What I tried so far - I went through pendrivelinux.com ISO to USB program and have working bootable USB with 12.04 desktop on it. The problem is all my changes... (8 Replies)
Discussion started by: migurus
8 Replies
VOL(1) General Commands Manual VOL(1)
NAME
vol - split input on or combine output from several volumes
SYNOPSIS
vol [-rw1] [-b blocksize] [-m multiple] [size] device
DESCRIPTION
Vol either reads a large input stream from standard input and distributes it over several volumes or combines volumes and sends them to
standard output. The size of the volumes is determined automatically if the device supports this, but may be specified before the argument
naming the device if automated detection is not possible or if only part of the physical volume is used. The direction of the data is
automatically determined by checking whether the input or output of vol is a file or pipe. Use the -r or -w flag if you want to specify
the direction explicitly, in shell scripts for instance.
Vol waits for each new volume to be inserted, typing return makes it continue. If no size is explicitely given then the size of the device
is determined each time before it is read or written, so it is possible to mix floppies of different sizes. If the size cannot be deter-
mined (probably a tape) then the device is assumed to be infinitely big. Vol can be used both for block or character devices. It will
buffer the data and use a block size appropriate for fixed or variable block sized tapes.
Vol reads or writes 8192 bytes to block devices, usually floppies. Character devices are read or written using a multiple of 512 bytes.
This multiple has an upper limit of 32767 bytes (16-bit machine), 64 kb (32-bit), or even 1 Mb (32-bit VM). The last partial write to a
character device is padded with zeros to the block size. If a character device is a tape device that responds to the mtio(4) status call
then the reported tape block size will be used as the smallest unit. If the tape is a variable block length device then it is read or
written like a block device, 8192 bytes at the time, with a minimum unit of one byte.
All sizes may be suffixed by the letters M, k, b or w to multiply the number by mega, kilo, block (512), or word (2). The volume size by
default in kilobytes if there is no suffix.
OPTIONS
-rw Explicitly specify reading or writing. Almost mandatory in scripts.
-1 Just one volume, start immediately.
-b blocksize
Specify the device block size.
-m multiple
Specify the maximum read or write size of multiple blocks. The -b and -m options allow one to modify the block size assumptions
that are made above. These assumptions are -b 1 -m 8192 for block devices or variable length tapes, and -b 512 -m 65536 for charac-
ter devices (32 bit machine.) These options will not override the tape block size found out with an mtio(4) call. The multiple may
be larger then the default if vol can allocate the memory required.
EXAMPLES
To back up a tree to floppies as a compressed tarfile:
tar cf - . | compress | vol /dev/fd0
To restore a tree from 720 kb images from possibly bigger floppies:
vol 720 /dev/fd0 | uncompress | tar xfp -
Read or write a device with 1024 byte blocks:
vol -b 1k /dev/rsd15
Read or write a variable block length tape using blocking factor 20 as used by default by many tar(1) commands:
vol -m 20b /dev/rst5
Note that -m was used in the last example. It sets the size to use to read or write, -b sets the basic block size that may be written in
multiples.
SEE ALSO
dd(1), tar(1), mt(1), mtio(4).
VOL(1)