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- Path: sparky!uunet!airgun!se05!dla
- From: dla@se05 (Doug Acker)
- Newsgroups: comp.unix.aix
- Subject: Re: Life with mksysb(1)
- Message-ID: <1415@airgun.wg.waii.com>
- Date: 25 Jul 92 13:49:33 GMT
- References: <syscrc.712016658@gsusgi1.gsu.edu>
- Sender: news@airgun.wg.waii.com
- Organization: Western Geophysical Exploration Products
- Lines: 35
- Nntp-Posting-Host: se05.wg2.waii.com
-
- In article <syscrc.712016658@gsusgi1.gsu.edu> syscrc@gsusgi1.gsu.edu (Randy Carpenter) writes:
- >We want to run our RS/6000's (AIX 3.2) 24-hours-a-day, so we can't do
- >full backups using dump(1) because it requires single-user mode.
- >
-
- You can ... you just run the risk of corrupted backups :0
-
- >Is it foolish to do "by-file" (rather than "by-inode") full and incremental
- >backups with on-line mksysb's during full backups? I've read what little
- >there is about mksysb(1) and I am utterly confused.
- >
-
- **YOU must run a mksysb if you ever want to recover from a catastrophic
- failure to the rootvg .... there is no other way to recover from it **
-
- We run a mksysb once a month and use Legatto Networker every day .... one
- backup is to recover user deleted files ... the other is for rootvg going
- south.
-
- >Is there a way to avoid the tar(1) part of the mksysb(1) and just save the
- >volume group information?
-
- nope ... you need that tar info to rebuild your system ... mksysb makes
- an "install tape" for your system ..
-
- >Is it still true that you can't do a mksysb(1) using a remote tape drive?
- >
-
- unfortunetly :( .. and you can't install from a remote drive ... you need
- a NFS disk to act as an install server.
- --
- Douglas L. Acker
-
- Western Geophysical Exploration Products
- Systems Engineer
-