Re: [Clonezilla-live] newbie usage questions
A partition and disk imaging/cloning program
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Re: [Clonezilla-live] newbie usage questions
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From: Steven S. <st...@nc...> - 2012-06-14 12:31:34
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On 05/31/2012 02:50 PM, Ersek, Laszlo wrote: > Hi, > > sorry for the lame questions ahead; I've never used clonezilla before and > I'd like to get some info in advance. (I did browse the FAQ and the rest > of the website first.) > > I have to transfer the contents of a single source disk to another disk: > > # lsblk -o NAME,FSTYPE,MOUNTPOINT,LABEL,SIZE,TYPE /dev/sda > > NAME FSTYPE MOUNTPOINT LABEL SIZE TYPE "FSAVAIL" > sda 465.8G disk > |-sda1 ext3 RHEL5-64-/ 20G part 15G > |-sda2 LVM2_member 300G part > | |-VolGroup0-VG0swap (dm-0) swap [SWAP] 8G lvm > | |-VolGroup0-VG0home (dm-1) ext3 /home 64G lvm 51G > | |-VolGroup0-VG0varlibxen (dm-2) ext3 128G lvm 53G > | |-VolGroup0-VG0varliblibvirtimages (dm-3) ext3 /var/lib/libvirt/images 50G lvm 44G > | `-VolGroup0-VG0filestore (dm-4) ext3 /filestore VG0filestore 50G lvm 31G > |-sda3 ext3 RHEL5-32-/ 20G part 13G > |-sda4 1K part > |-sda5 ext3 / RHEL6-64-/ 19.1G part 13G > |-sda6 ext3 RHEL6-32-/ 19.1G part 14G > |-sda7 19.1G part > `-sda8 19.1G part > > There's about 51G free space (unpartitioned) at the end of the drive. > > The "FSAVAIL" column was added manually by yours truly, using "df -h". > > sda7 and sda8 are Linux partitions, but unformatted. > > (1) Is this layout fully supported by Clonezilla Live 1.2.12-60? (I intend > to use the Debian-based stable release). Does it matter if a logical > volume is "linear" (ie. one contiguous chunk in a PV) or not? If you want to do LVM disk to disk cloning, Clonezilla will use dd to do that. > > (2) How much space am I going to need approximately, before compression? I > reckon Clonezilla will copy the partitioning / LVM metadata, and the > non-free blocks in the ext3 filesystems I have. So about 136 GB in total. > Does that seem correct? For disk to disk cloning, only a few MBs are required. If what you meant is to take an image, yes, only the used blocks will be saved, and by default the image will be compressed. > > (3) I'd like to specify a non-default compression method, eg. pigz. Where > do I pass the "--smp-gzip-compress" option? By default, pigz is used. If you want to tune some option, you can edit /opt/drbl/conf/drbl-ocs.conf, or enter expert mode to choose different compression program. > > (4) The receiving end will be an adjacent SSH server. Can I make sure, > from the Clonezilla side, that the ssh connection itself won't use > compression or a CPU-hungry cipher? (aes128-cbc is good for me, for > example.) I could do this on the Clonezilla side, by editing > "$HOME/.ssh/config" before the ssh connection is started. Is this > supported? Yes, I believe you can edit ssh config to make that. > > (5) After the backup process finishes, can I somehow verify the archive's > integrity / completeness (without a full restore)? The source disk will be > irrevocably gone at "real restore" time. By default a checking will be done, unless you choose not to do that. Steven. > > Thank you very much, > Laszlo > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Clonezilla-live mailing list > 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 |