> I'm thinking about the casper-rw partition. Could it be used for the iso > files in a convenient way? Maybe - and it is better to have few > partitions, when the drive is small.
Unfortunately I don't know much about casper-rw. I think using it with an regular ISO might not be easy. I have no idea how these partitions are mounted... Maybe is a custom configuration made by startup disk creator!? I made a usb bootable device with startup disk creator and persistence a long time ago. I noticed the content of iso was extracted to the drive, and the persistence was made with a file... 2015-06-24 12:28 GMT-03:00 Nio Wiklund <nio.wikl...@gmail.com>: > Hi Andre, > > Nice to see you here again. I notice that your tutorial thread at the > Ubuntu Forums is attracting many readers :-) > > Yes I know there are advantages with ext partitions and how to tweak > them for optimal performance and lifetime on a pendrive, but I didn't > want to make the setup too complicated. You may be right, that there are > enough advantages with ext filesystems, so that I should store the > isofiles there (and have only a small fat32 partition to allow for UEFI > booting). > > Anyway, pendrives are often slow, and I have found that rsync behaves > much better than zsync, when the target drive for updating is a > pendrive. I think this is true also with ext filesystems. > > One big advantage is that there is no need for copying/cloning/flashing > from the internal drive to the pendrive. The slowness of the internet > connection matches quite well the slowness of a USB 2 connection, so you > don't lose much time anyway. > > Fragmentation is another reason to avoid fat 32. I guess I have to watch > out for that, but as long as the iso files remain about the same size > and the file system is far from full, that should be a small problem in > this case. > > I'm thinking about the casper-rw partition. Could it be used for the iso > files in a convenient way? Maybe - and it is better to have few > partitions, when the drive is small. > > Best regards > Nio > > > Den 2015-06-24 14:35, Andre Campos Rodovalho skrev: > > Hey Nio, you can use ext4 partition and grub2 for a BIOS boot. (This > > might allow you to zsync, for testing..) > > > > Another option might be to create a first "boot" partition with > > GPT+FAT32, but set up GRUB2 to load images in a second ext4 partition, > > (where the ISO files will be stored). > > > > I know this should work, but I had no time to test it out yet... > > > > Cheers! > > > > > > 2015-06-19 15:43 GMT-03:00 Nio Wiklund <nio.wikl...@gmail.com > > <mailto:nio.wikl...@gmail.com>>: > > > > Hi again :-) > > > > There is one minor edit: > > > > I wrote 'You can even zsync the Lubuntu daily iso file directly into > the > > pendrive for iso-testing.' That was to promise too much. I tried, and > > found that zsync is slow with a slow drive and uses some features of > an > > ext file system while we are using fat32. It is better to use *rsync* > > (which is also an alternative in the instructions for iso-testing. I > > made this script for 'wily-desktop-i386.iso', > > > > -------------------------------------------------------------- > > echo "***** get/update iso file with rsync:" > > rsync -tzhhP > > rsync:// > cdimage.ubuntu.com/cdimage/lubuntu/daily-live/current/wily-desktop-i386.iso > > < > http://cdimage.ubuntu.com/cdimage/lubuntu/daily-live/current/wily-desktop-i386.iso > > > > . > > > > echo " > > ***** check md5sum:" > > wget -O md5sums > > http://cdimage.ubuntu.com/lubuntu/daily-live/current/MD5SUMS > > grep wily-desktop-i386.iso md5sums>md5sum-desktop > > md5sum -c md5sum-desktop > > -------------------------------------------------------------- > > > > You need space for two versions of the iso file (plus a little extra > > margin). The old one is not wiped until the new one is complete. > > > > Best regards > > Nio > > > >
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