Yes, I am learning -- at the expense of many questions ;> First, a brief overview:
I have five (5) Linux servers, totaling ~50 Gb used diskspace, divided roughly even across all five. I have several DAT tape drives, the largest of which is an HP DDS-3. I have twelve (12) DDS-3 tapes, and twenty (20) DDS-2 tapes, as well as several cleaning tapes. So far, I have configured: dumpcycle 7 runspercycle 7 runtapes 1 I am studying _Using Amanda_ here: <http://www.backupcentral.com/amanda.html> I am confused about two (2) things: [1] Should I use hardware compression? There seem to be several schools of thought here. I want to know how Amanda works with hardware compression? What are the advantages of using software compression? What are the disadvantages of using *both* hardware and software compression? [2] What are the optimal dumptypes for my situation? Yes, I have already struggled with and overcome dump vs. GNUTAR. My first mistake was using comp-root and comp-user on localhost. Yes, I understand that Amanda can facilitate planning and scheduling full vs. incremental backups. However, I am concerned about developing a simple recovery strategy. I am currently having problems with amrecover; but, I think that is due to short vs. FQDN usage -- so, I'll save that for another time. I am running exclusively Debian woody on all systems. I believe that I have a good working filesystem design. I am on a fast network. Yes, I come from a traditional system administrator's backup mindset, and I do not want that to undermine Amanda's design. What do you think? -- Best Regards, mds mds resource 877.596.8237 - Dare to fix things before they break . . . - Our capacity for understanding is inversely proportional to how much we think we know. The more I know, the more I know I don't know . . . --
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