snapshots backup


 
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Operating Systems Solaris snapshots backup
# 1  
Old 03-13-2009
Java snapshots backup

Hi guys,

I have a dout how to take snapshots backup, i want to take /expote/home(it is of 5.3GB) c0t0d0s7 to /backup dir( i created 6.0GB of slice) in different drive c0t1d0s0. i kow the sintax but i feel dificulty to take backup.i use this:-

fssnap -F ufs -o bs=/export/home/ /backup/ but cannot can i know what is the problem.

Thanks in Advance.
# 2  
Old 03-13-2009
You have the directories reversed. the order is bs=<directory to backup> <snapshot location>
# 3  
Old 03-14-2009
rebord, I'm afraid your answer is misleading. The syntax is really:
-bs=<snapshot backing store location> <directory to backup>

kurva: I'm also afraid you are misunderstanding the ufs snapshot purpose. The backing-store directory/file isn't the place where the backup will be stored. Only filesystem changes happening during the snapshot live will be stored there.
Creating a snapshot is also only the first step of a backup operation. You need to use a real backup command like ufsdump afterwards.

You'll find real examples with "man fssnap_ufs".
# 4  
Old 03-14-2009
Quote:
Originally Posted by jlliagre
rebord, I'm afraid your answer is misleading. The syntax is really:
-bs=<snapshot backing store location> <directory to backup>

kurva: I'm also afraid you are misunderstanding the ufs snapshot purpose. The backing-store directory/file isn't the place where the backup will be stored. Only filesystem changes happening during the snapshot live will be stored there.
Creating a snapshot is also only the first step of a backup operation. You need to use a real backup command like ufsdump afterwards.

You'll find real examples with "man fssnap_ufs".
Yes, you're right. That was a bit of a mental lapse on my part.
# 5  
Old 03-14-2009
jlliagre is virtually always right. Smilie

Also, you can usually find good step by step details at docs.sun.com. Here is a page of step by step instructions for using fssnap, including with ufsdump, on Solaris 9 -- 47.Using UFS Snapshots (Tasks) (System Administration Guide: Basic Administration) - Sun Microsystems. The steps will be the same for Solaris 10, but you can, if you want, also find the section of the System Administration Guide for Solaris 10 (or 8 for that matter).
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