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Old 02-18-2010, 01:20 AM   #1
samira.m
LQ Newbie
 
Registered: Feb 2010
Location: Iran-Tehran
Posts: 1

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Problem! When I try to mount a new hard drive to home?


Hello Dear Friends

I mounted a new hard drive to my cluster because I don't have any space
in my home directory.I partitioned the new hard disk in two partitioned
/dev/sdb1
/dev/sdb2

I use these command to mount the partitions that I created:

mount /dev/sdb1 /mnt/disk
cp -vax /home/* /mnt/disk
umount /dev/sdb1

and then I change /etv/fstab by this command
cat >> /etc/fstab << HERE
/dev/hdb1 /home ext3 defaults,errors=remount-rw 0 1
HERE

mount -a

After all, I check my user's permissions and I tried to ssh from
one user to one of my server and one of the cluster's nodes but when
I ssh to each of them via one user I go to bash mode. I could solve
this
problem by using usermod command by this way:

usermod -d /home/username username

after that I can ssh to my server via users but my users didn't have
permission to write on their own directories, in addition when I ssh
to the other nodes I still had the bash mode problem I got these
message:

Could not chdir to home directory /home/test10: No such file or
directory
-bash: /home/test10/.ncbirc: No such file or directory
mkdir: cannot create directory `/home/test10': No such file or
directory
-bash-3.2$
If you can please guide me to solve this problem.

With Kind Regards
Samira
 
Old 02-18-2010, 02:02 AM   #2
evo2
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Registered: Jan 2009
Location: Japan
Distribution: Mostly Debian and Scientific Linux
Posts: 5,753

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I guess the 'cp -vax' destroyed all the file ownerships. You probably need to 'chown -R' for each users home dir.

I don't know what is causing the no such file or directory errors for /home/test10. Is it really there?

Also did you delete or move the old /home out of the way before mounting /dev/hdb1 there?

Evo2.

Last edited by evo2; 02-18-2010 at 02:03 AM. Reason: Typo
 
Old 02-18-2010, 02:55 AM   #3
i92guboj
Gentoo support team
 
Registered: May 2008
Location: Lucena, Córdoba (Spain)
Distribution: Gentoo
Posts: 4,074

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Quote:
Originally Posted by evo2 View Post
I guess the 'cp -vax' destroyed all the file ownerships. You probably need to 'chown -R' for each users home dir.
The problem is not cp, check -a in the man page. The ownerships and permissions should be fine as long as the destination fs supports these attributes.

Code:
mount /dev/sdb1 /mnt/disk
cp -vax /home/* /mnt/disk
umount /dev/sdb1

and then I change /etv/fstab by this command
cat >> /etc/fstab << HERE
/dev/hdb1 /home ext3 defaults,errors=remount-rw 0 1
HERE
I guess "hdb1" there is a typo because previously you used "sdb1".


Quote:
Originally Posted by samira.m View Post
After all, I check my user's permissions and I tried to ssh from
one user to one of my server and one of the cluster's nodes but when
I ssh to each of them via one user I go to bash mode. I could solve
this
problem by using usermod command by this way:

usermod -d /home/username username

after that I can ssh to my server via users but my users didn't have
permission to write on their own directories, in addition when I ssh
to the other nodes I still had the bash mode problem I got these
message:

Could not chdir to home directory /home/test10: No such file or
directory
-bash: /home/test10/.ncbirc: No such file or directory
mkdir: cannot create directory `/home/test10': No such file or
directory
-bash-3.2$
If you can please guide me to solve this problem.

With Kind Regards
Samira
I am having some trouble understanding what do you mean by "bash mode". Ssh is a remote logger that supports ssl encryption, it is supposed to open a shell remotely (either bash or whatever you have configured for a particular user). So, if it opens a shell then it's working correctly. I am not sure what did you expect from ssh.

About the permissions problem, I am more concerned about the permissions of /home itself. So, please, attach the output of this command *after* making sure that home has been mounted with the new partition.

Code:
ls -ld /home
You probably want at least r-x for all the users on that directory. Something like

Code:
chmod 755 /home
 
  


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