Re: [Clonezilla-live] clonezilla live sees my flash as sd
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Re: [Clonezilla-live] clonezilla live sees my flash as sd
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From: Steven S. <st...@nc...> - 2010-09-19 10:59:52
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Hi, On 2010年09月17日 03:09, Montaseri wrote: > I have figured out how to read the filesystem type from the superblock.... > > Looks like superblock on ext2 and ext3 starts at offset 1024 for a > length of 1024. The ext2 magic code is 2 byte code ( > |EXT2_SUPER_MAGIC| of value 0xEF53 ) . > > So, I dd(1) 2048 bytes out > dd if=/dev/sda2 of=/tmp/2blocks bs=1024 count=2 > > I then use od(1) to and read 2 bytes from offset 1024 + 53 (some magic > offset where fs type is)=1080 > > od -x -j1080 -N2 /tmp/2blocks > 7b5a > > This is not oxEF53 which is the ext2, ext3 FS type. hence mount(1) can > not work with it. > > Looks like this product (the one I am cloneing) vendor is playing FS > type change game. Ok, I'll change it to what I want and then change it > back. > > So I rolled up a handy dandy perl script to change FS type on the > first superblock. And mount still fails. > > Do you know if mount(1) checks all the superblocks to make sure they > are consistant? I think so... Steven. > > I am almost there to crack this case. > > Medi > > > On Wed, Sep 15, 2010 at 2:06 PM, Montaseri <mon...@gm... > <mailto:mon...@gm...>> wrote: > > Hi Steven, > > The posting was pointing out that on the clonee box (being cloned) > my OS sees a hda and sda while when I boot to clonezilla, both > flash and sata disks are being seen as sda and sdb. > > Per your recommendation and usage of blkid(1) and sda (a flash > drive for /boot and / ) and sdb for other stuff. > > # blkid -p /dev/sda > /dev/sda PTTYPE="dos" > > # blkid -p /dev/sda1 > # echo $? > 2 > > # blkid -p -u filesystem /dev/sda2 > # echo $? > 2 > > So mount(1) fails and blkid(1) is failing....is there any options > for blkid to debug further... > > Thanks > Medi > > > On Wed, Sep 15, 2010 at 1:30 PM, Steven Shiau <st...@nc... > <mailto:st...@nc...>> wrote: > > > > On 2010年09月16日 05:22, Montaseri wrote: >> Thanks Les and Andy, >> >> I suppose I can ignore this type recognition if I can solve >> my real problem, which lead me to this inquiry. >> >> My real problem is that I would like to boot off of >> clonezilla and proceed to mount the root filesystem (of the >> box being cloned) to learn stuff from /etc such as IP of the >> box and such. This is to automate the cloneing to an NFS >> location in a proper folder, for ease of restore and such. >> >> Currently when I clonezilla fdisk reports my root filesystem >> type to be 83. When I try to mount this like >> >> mount -t ext3 /dev/sda2 /mnt >> >> I get the following error message >> VFS: Can't find ext3 filesystem on dev sda2 >> mount: wrong fs type, bad option, bad superblock on /dev/sda2 ... >> .....and bunch of other suggestions including see dmesg >> >> Any suggestions... > >From the message you posted: > =================== > > Disk /dev/sda: 250.0 GB, 250059350016 bytes > 255 heads, 63 sectors/track, 30401 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sda1 1 17 136552 83 Linux > /dev/sda2 18 540 4200997+ 82 Linux swap > /dev/sda3 541 1846 10490445 83 Linux > <snap> > =================== > /dev/sda2 is swap, did you mean you want to mount /dev/sda3 > actually? > Or please run: > sudo /sbin/blkid > then post the results. > > Steven. >> >> Thanks >> Medi >> >> >> >> >> On Wed, Sep 15, 2010 at 12:09 PM, Andy Berquist >> <abe...@ad... <mailto:abe...@ad...>> wrote: >> >> That’s normal. There was a kernel update somewhere in the >> 2.6 branch that deprecated the ide driver in favor of >> scsi emulation. I don’t know the exact details off the >> top of my head. >> >> Is it actually stopping you from doing something? >> >> -Andy >> >> *From:* Montaseri [mailto:mon...@gm... >> <mailto:mon...@gm...>] >> *Sent:* Wednesday, September 15, 2010 2:52 PM >> *To:* clo...@li... >> <mailto:clo...@li...> >> *Subject:* Re: [Clonezilla-live] clonezilla live sees my >> flash as sd >> >> I have not received any reply on this inquiry. Can >> someone send me an email indicating that it is being heard. >> >> Thanks >> Medi >> >> On Mon, Sep 13, 2010 at 6:14 PM, Montaseri >> <mon...@gm... <mailto:mon...@gm...>> wrote: >> >> Hi, >> >> Just installed and tried Clonezilla ver >> clonezilla-live-20100721-lucid.iso and booted my Linux box. >> >> I have two PATA partitions and a few more SCSI >> partitions. When I run fdisk from my (native) linux box, >> I see >> >> [root@meditest]# fdisk -l >> >> Disk /dev/hda: 1048 MB, 1048190976 bytes >> 32 heads, 63 sectors/track, 1015 cylinders >> Units = cylinders of 2016 * 512 = 1032192 bytes >> >> Device Boot Start End Blocks Id >> System >> /dev/hda1 1 131 132047+ 83 Linux >> /dev/hda2 132 1015 891072 83 Linux >> >> Disk /dev/sda: 250.0 GB, 250059350016 bytes >> 255 heads, 63 sectors/track, 30401 cylinders >> Units = cylinders of 16065 * 512 = 8225280 bytes >> >> Device Boot Start End Blocks Id >> System >> /dev/sda1 1 17 136552 83 Linux >> /dev/sda2 18 540 4200997+ 82 >> Linux swap >> /dev/sda3 541 1846 10490445 83 Linux >> /dev/sda4 1847 30401 229368037+ 5 >> Extended >> /dev/sda5 1847 3152 10490444+ 83 Linux >> /dev/sda6 3153 4458 10490444+ 83 Linux >> /dev/sda7 4459 8636 33559784+ 83 Linux >> /dev/sda8 8637 9942 10490444+ 83 Linux >> /dev/sda9 9943 11248 10490444+ 83 Linux >> /dev/sda10 11249 12554 10490444+ 83 Linux >> /dev/sda11 12555 30401 143356027 83 Linux >> >> But when I boot off of clonezilla, and run fdisk -l, I get >> (bunch of stuff skipped) >> Device Boot Start End >> Blocks Id System >> /dev/sda1 1 131 >> nnnn 83 Linux >> /dev/sda2 132 1015 >> nnnnn 83 Linux // nnnn is ok...just lazy >> ...skipping stuff.... >> /dev/sdb1 >> /dev/sdb2 >> >> Basically, Clonezilla is seeing both my flash disk and >> sata disk as scsi disks? >> Any ideas >> >> Thanks >> Medi >> >> This message (including any attachments) may contain >> confidential, proprietary, privileged and/or private >> proprietary information. The information is intended >> to be for the use of the individual or entity >> designated above. If you are not the intended >> recipient of this message, please notify the sender >> immediately, and delete the message and any >> attachments. Any disclosure, reproduction, >> distribution or other use of this message or any >> attachments by an individual or entity other than the >> intended recipient is prohibited. >> >> >> >> ------------------------------------------------------------------------------ >> Start uncovering the many advantages of virtual appliances >> and start using them to simplify application deployment and >> accelerate your shift to cloud computing. >> http://p.sf.net/sfu/novell-sfdev2dev >> >> >> _______________________________________________ >> Clonezilla-live mailing list >> Clo...@li... <mailto:Clo...@li...> >> https://lists.sourceforge.net/lists/listinfo/clonezilla-live >> > > -- > Steven Shiau<steven _at_ nchc org tw> <steven _at_ stevenshiau org> > National Center for High-performance Computing, Taiwan.http://www.nchc.org.tw > Public Key Server PGP Key ID: 1024D/9762755A > Fingerprint: A2A1 08B7 C22C 3D06 34DB F4BC 08B3 E3D7 9762 755A > > > > ------------------------------------------------------------------------------ > Start uncovering the many advantages of virtual appliances > and start using them to simplify application deployment and > accelerate your shift to cloud computing. > http://p.sf.net/sfu/novell-sfdev2dev > _______________________________________________ > Clonezilla-live mailing list > Clo...@li... > <mailto:Clo...@li...> > https://lists.sourceforge.net/lists/listinfo/clonezilla-live > > > -- Steven Shiau<steven _at_ nchc org tw> <steven _at_ stevenshiau org> National Center for High-performance Computing, Taiwan. http://www.nchc.org.tw Public Key Server PGP Key ID: 1024D/9762755A Fingerprint: A2A1 08B7 C22C 3D06 34DB F4BC 08B3 E3D7 9762 755A |
