From: Dilip M (dilipm_79@yahoo.com)
Date: Mon Jun 16 2003 - 01:14:59 EDT
Thanks to
Andy Malato
John Cronin
JULIAN, JOHN C (AIT)
Andy Malato
Florendo, Jay Jay
Shaw, Matthew (Thanks for your precios time to write a very good notes on this
issue!!)) was very educative ....
and *. all....:))
Question was :
Hi,
Small query from my side ...
You have mentioned one of cpio option..
find / -xdev -print | cpio -ocv -O /export/home/OS.cpio
Do this maintain permissions ??? Consider a example
I have a two machine One is sun and other is linux.
The linux's machine /export/<directory> is shared across the n/w and i can
access
/export/<directory> of linux from any other machine /net direcory.
Now i need to copy a directory which is on Solaris to linux box with same
links,
Permissions , block size...
On solaris box the permissions are as follows:
ls -l /export/<directory>
drwxrwxr-x 2 nobody nobody 512 Feb 12 2002 <directory1>
drwxrwxr-x 3 nobody nobody 512 Apr 8 2002 <directory2>
Now I need to copy this /export/<directory>/* to /net/export/<directory>
NOTE***
Here /net/export/<directory> is a linux box!!
I tried with cpio and tar -p option alo...everything went fine...but
permissions was
changed !! :((
Also spent a day on google and did
cd /export/<directory>
tar cf - . | (cd /net/export/<directory> && tar xf -)
The copied files permissionsAll went fine except the prmissions :((
It was not gettig retained to 'nobody',but was getting changed to mine eff
uid
How could i retain the permissions too....
kindly advice :)
-------------------
Answer:
1)First the linux box was NOT shared with 'root_squash' option which is default
I changed it to 'no_root_squash'
2)Tried to do tar cpf - . | (cd /net/export/<directory> && tar xpf -) as a normal
user Did'nt worked!! ;((
Again did as a root user...everything went fine except some of the symbolic linked
files were missed out :((
3) finally did
cd /export/<sun-machine-directory>
find . | (cpio -Pvo -H crc) | (cd /net/export/<directory>; cpio -Pdmi -H crc)
Everything went fine.
Only thing is the nobody UID on sun box is 60001 and that of linux is 99
It was retained in terms if UID.That is 60001
Lastly i did
find <starting-directory> -uid 60001 -exec chown 99 \{\} \;
Even
chown -R nobody:nobody Rel-test will do fine :))
Thanks to all...for taking time to helping me..
-Dilip
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