On Sun, 2005-06-12 at 19:26 -0700, Ian McKinnon wrote: > Yes, but the solution of copying to fake 4GB tapes and then to DVD-R/RW > somehow seems inelegant. Especially when you simply do not have the room to > hold the images before you can burn them to DVD-R/RW. I have 500GB total on > my server spread across four drives and I may be able to find maybe 100GB in > 30 and 50GB chunks, but not really a solution for doing a system backup. It > is just seeming that optical is starting to be feasible as one DVD-R/RW > single later basically holds as much data as an older DAT2 tape (about > 4.5GB) not to mention dual layer DVDs and the size keeps rising every year. > Not to mention faster (at least my old DAT2 drive seemed to take forever > writing a tape) and maybe less prone to damage (magnets anyone?). Though as > always stepping on tapes or DVDs is nearly always fatal. Of course price is > always an issue... Hmmm a 100 pack of 4GB DVD-R is about $34 US for me... > Plus the drives are fairly cheap.. > > So I agree it is something to keep an eye on. The packages I am looking at > so far are... > > Mondo seems to be able to do CD-R... Might be something to keep an eye on to > see if they incorporate DVD tech. > http://www.mondorescue.org/ > > > BackupEDGE seems to be a commercial product that supports DVD-R/RW > http://www.microlite.com/ > > Cdbkup cdbackup multicd RAB..... > > Ian > > > > > On 6/12/05 5:16 PM, "Pedro Fernandes Macedo" <webmaster@xxxxxxxxxxxxxxxxxxx> > wrote: > > > Michael A. Peters wrote: > > > >> I've tested none so I can't recommend one, but I definitely want to > >> watch this thread. > >> Amanda seems to be the standard for a long time now, but I believe it > >> only works with tape drives (is it possible to use a loopback device as > >> tape drive and then burn the image??) > >> > >> > > > > I use it to backup to HDD. In my configuration , it emulates a set of > > 300MB tapes that you can burn to disk (the tapes are only a tar.gz file > > with a text preamble. This preamble even has instructions on how to use > > dd and tar to recover anything directly from the file , or you can use > > the amrecover tool to automatically recover what you need. > > As for DVD, I dont know if amanda supports it. But then , you can always > > make a backup to disk using fake 4GB tapes and then after the backup is > > done , you simply copy it to DVD. > > > > As for it being a standard.. It is an excelent tool . I've worked with > > it on my last job as sysadmin and it helps a lot. No need to have tape > > drives and manually searching for a file on all tapes.. Just remmember > > to backup you tape index files.. Without them , all you can do is > > manually recover from the tapes, without the help from amrecover. > > > > -- > > Pedro Macedo > > > Have you looked at maybe doing something homegrown with a bash script? In theory a script doing this should work growisofs -dvd-compat -Z /dev/dvd -R -J /1stdirectory growisofs -dvd-compat -M /dev/dvd -R -J /2nddirectory growisofs -dvd-compat -M /dev/dvd -R -J /3rddirectory and so on. Just wondering, Micheal
