Re: no one here use restore/dump?

2006-01-19 Thread Wojciech Puchar

nobody here do backups of their systems? strange?!


I backup and restore using those self-named tools on a variety of DLT and 4mm 
DAT tape drives.  4mm DDS DAT kinda sucks, and they are super-sensitive to 
being cleaned a lot.


i'm using DVD+RW discs. after doing dvd+rw-format for a first time, it 
could be used directly (as /dev/acd1) for dump but blocksize must be 32 
and -B 4590208 must be entered.



Did you have a more specific question...?


yes - i did before.

i have problems with restore. dump is about 60GB and 1.5 million files.

two problems when doing restore -rvf /device

1) after extracting all directory listing it starts to do Make node...

but after some of it done, it starts to take 100% CPU and work for about 1 
hour on PII/400 before finishing it.


eventually it finishes, so it's not such a big problem

2) after restoring 7 volumes, at 8-th volume it tried to prepend ? to 
every pathname extracted so it resulted in error unable to create.
doing ln -s \? . and restarting restore from 8-th volume worked and i was 
able to finish things.



why restore failed? and how to dump without fear!
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Re: no one here use restore/dump?

2006-01-19 Thread Chuck Swiger

Wojciech Puchar wrote:
[ ... ]

Did you have a more specific question...?


yes - i did before.

i have problems with restore. dump is about 60GB and 1.5 million files.

two problems when doing restore -rvf /device

1) after extracting all directory listing it starts to do Make node...

but after some of it done, it starts to take 100% CPU and work for about 
1 hour on PII/400 before finishing it.


eventually it finishes, so it's not such a big problem


If you do a SIGINFO (normally control-T), it ought to give more specific 
information about what it's doing.


Are you restoring to an empty new filesystem which has just been newfs'ed with 
similar inode parameters to the original source of the backup?


2) after restoring 7 volumes, at 8-th volume it tried to prepend ? to 
every pathname extracted so it resulted in error unable to create.
doing ln -s \? . and restarting restore from 8-th volume worked and i 
was able to finish things.
 
why restore failed? and how to dump without fear!


I haven't seen that sort of problem myself.  Are you sure the original 
filesystem is OK and doesn't contain any weird symlinks which could have 
confused dump?  Try to fsck it and test a new dump/restore sequence.


Did you use the -L flag to dump using a snapshot, that may help...

--
-Chuck
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no one here use restore/dump?

2006-01-18 Thread Wojciech Puchar

nobody here do backups of their systems? strange?!
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Re: no one here use restore/dump?

2006-01-18 Thread Norberto Meijome

Wojciech Puchar wrote:

nobody here do backups of their systems? strange?!



what do you base this (false comment) on?

Beto
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Re: no one here use restore/dump?

2006-01-18 Thread Ken Stevenson
On Wed, Jan 18, 2006 at 12:20:51PM +0100, Wojciech Puchar wrote:
 nobody here do backups of their systems? strange?!
 ___


Huh? I do. I'm sure a lot of people do.

-- 
Ken Stevenson
Allen-Myland Inc.
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Re: no one here use restore/dump?

2006-01-18 Thread Wojciech Puchar

___



Huh? I do. I'm sure a lot of people do.

strange that nobody answerem by questions. it's quite impossible that 
only i have such problems.



i really must be sure my dumps are restorable! :)
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Re: no one here use restore/dump?

2006-01-18 Thread Chuck Swiger

Wojciech Puchar wrote:

nobody here do backups of their systems? strange?!


I backup and restore using those self-named tools on a variety of DLT and 4mm 
DAT tape drives.  4mm DDS DAT kinda sucks, and they are super-sensitive to being 
cleaned a lot.


Did you have a more specific question...?

--
-Chuck
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Re: no one here use restore/dump?

2006-01-18 Thread Jerry McAllister
 
  ___
 
 
  Huh? I do. I'm sure a lot of people do.
 
 strange that nobody answerem by questions. it's quite impossible that 
 only i have such problems.

What question?
No real question was asked.
What do you want to know?

Lots of people use dump/restore, some occasionaly, some regularly.

jerry

 
 
 i really must be sure my dumps are restorable! :)
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