Compressed Disk Image App for Porteus

[jimwg]

Greetings!

Subject line says it all. Compressed Disk Image App for Porteus. I want to image and store away a Mint flash drive to clear it for Porteus. If there's none for Porteus I can make do with one that runs on Puppy.

Thanks for any hints.

Jim in NYC

[fanthom]

you could use dd + gzip compression (change partitions to match yours):

Code: Select all

dd if=/dev/sdb6 | gzip > /mnt/sda1/backup.gz

[donald]

http://clonezilla.org/

[Slaxmax]

@jimwg

Try pigz which is multithreaded gzip
http://zlib.net/pigz/

package i486
http://slackware.org.uk/people/alphagee ... -1_ejt.txz

package x86_64
ftp://ftp.yandex.ru/mirrors/agilialinux ... 6_64-1.txz

example
dd if=/dev/sdb6 | pigz > /mnt/sda1/backup.gz

see diference

gzip

Code: Select all

guest@porteus:~$ dd if=/dev/sda1 | gzip > /mnt/sdb2/gz-backup.gz
^C314110+0 records in
314109+0 records out
160823808 bytes (161 MB) copied, 10,031 s, 16,0 MB/s

pigz

Code: Select all

guest@porteus:~$ dd if=/dev/sda1 | pigz > /mnt/sdb2/pigz-backup.gz
^C1120759+0 records in
1120758+0 records out
573828096 bytes (574 MB) copied, 10,4082 s, 55,1 MB/s

[jimwg]

@jimwg

Try pigz which is multithreaded gzip
http://zlib.net/pigz/

package i486
http://slackware.org.uk/people/alphagee ... -1_ejt.txz

package x86_64
ftp://ftp.yandex.ru/mirrors/agilialinux ... 6_64-1.txz

example
dd if=/dev/sdb6 | pigz > /mnt/sda1/backup.gz

see diference

gzip

Code: Select all

guest@porteus:~$ dd if=/dev/sda1 | gzip > /mnt/sdb2/gz-backup.gz
^C314110+0 records in
314109+0 records out
160823808 bytes (161 MB) copied, 10,031 s, 16,0 MB/s

pigz

Code: Select all

guest@porteus:~$ dd if=/dev/sda1 | pigz > /mnt/sdb2/pigz-backup.gz
^C1120759+0 records in
1120758+0 records out
573828096 bytes (574 MB) copied, 10,4082 s, 55,1 MB/s

I'm a newbie but I'll try it out! Just to be sure, this creates a disk image, yes?
Thanks!

JIm in NYC

[jimwg]

http://clonezilla.org/

Slaxmax & donald & fanthom, I'll check these out! I just need to create the highest compressed disk image!

Thanks!

Jim in NYC

[Ed_P]

@jimwg

Make sure you test the restore aspect of your backup before writing over your Mint flash drive.

[jimwg]

I tried all three examples given, and all I get after it seems to compress files is ERROR 27 File Too Large STDOUT. Maybe the file is corrupt as well?

Jim in NYC

[fanthom]

FAT has 4GB limit so save it on some other filesystem.

[tome]

better choice can be backup only important data (user folder) and delete all system files that are not changed by you.