Restoring a file from Ignite backups (HP-UX) Q: I use Ignite on all my systems but occasionally I need to restore a single file or a directory. Is it possible to restore one file from the tape? How about from a network Ignite server? A:...
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Copied directories don’t match in size
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Q: When I copy files to another directory, the inode usage and the size of the copied directories are different. What is happening? A: When you copy files from one filesystem to another you will almost *ALWAYS* have a different amount of space occupied as...
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Parallel mirroring vg00 – boot problems
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Q. I am trying to reduce the time needed to mirror a series of lvols by running all of them simultaneously. This seems to work on all volume groups except vg00. They are mirrored but the mirror will not boot. A. The problem is that...
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Creating very large mirrored lvols quickly
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Q. I have to create some enormous (dozens of Gb) logical volumes with mirroring. The mirroring takes a very long time. Is there some way to speed up this process? A. Yes, it can be done with one command in just a second or two....
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Bootup: user database…Fail
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Q: When I bootup my HP-UX system, I see this message in the rc startup scripts: Checking user database .............. FAIL * How can I fix this error? A: From the script itself (/sbin/init.d/userdb), you can see that userdb is being run. So from the...
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Dots across screen at bootup
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Q: When I boot up, I am seeing a mess on the startup screen, something linke this: HP-UX Start-up in progress _________________________ Configure system crash dump ............................................................................................... ............................................................................................... ............................................................................................... ............................................................................................... ............................................................................................... ............................................................................................... .................................................................................... OK Removing old vxvm files What's wrong? A:...
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Quick reference for PGP
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Quick reference for PGP PGP encryption for HP-UX can be provided with the open source program GnuPG. You can download the program from HP but only for 11.23 and 11.31, part of the Internet Express collection ( ). It is available for 11.11, 11.23...
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awk: Alternate search method for special chars
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The awk search (/string/...) requires that / be escaped as it is the delimiter for the search pattern. This can be a pain to fix for full pathnames: awk -v MNT=/abc/def/file '/^MNT/{print $0}' This fails as the imbedded slashes will be interpreted as more search...
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awk: Alternate search method for special chars
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The awk search (/string/...) requires that / be escaped as it is the delimiter for the search pattern. This can be a pain to fix for full pathnames: awk -v MNT=/abc/def/file '/^MNT/{print $0}' This fails as the imbedded slashes will be interpreted as more search...
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Copying or moving lots of files
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Q: I need to copy a lot of files and directories to another directory. What’s the fastest way: A: If the source_directory does not have any largefiles (that is, files greater than 2GB), you can use cpio –p like this: cd /source_directory find ....
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