#1  
Old 22nd January 2008, 10:52
Sohail Khawaja Sohail Khawaja is offline
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Default /boot is 100% full

Hi Linux gurrus :-)

hope you all will be doing well.

Well I am facing a problem first time in my sys admin experience. I am using RHEL-4, I am unable to access /boot partition. when i try to access this partion or want to show its contents, It seems /boot is corrupted. see the following outputs

#ls /boot/
9?^?????tdܰ??????4?j?

#df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
145G 98G 40G 72% /
/dev/sda1 1.4T 1.4T 0 100% /boot
none 501M 0 501M 0% /dev/shm

Note: its showing the wrong entries /dev/sda1 (1.4T) and its 100% full.

#fdisk -l

Disk /dev/sda: 80.0 GB, 80000000000 bytes
255 heads, 63 sectors/track, 9726 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 9726 78019672+ 8e Linux LVM

Disk /dev/sdb: 80.0 GB, 80000000000 bytes
255 heads, 63 sectors/track, 9726 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sdb1 * 1 9726 78124063+ 8e Linux LVM

Can any body help me whats wrong with /boot? Number of applications are being run (24x7) on this server. I cant reboot it and cant interrupt the running applications. Can any body tell me what should i do now?

Server's info:

#cat /etc/redhat-release
Red Hat Enterprise Linux ES release 4 (Nahant Update 5)

# uname -r
2.6.9-11.ELsmp

waiting for an early response.

Thanks
Sohail
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  #2  
Old 23rd January 2008, 13:33
falko falko is offline
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Normally I'd say "boot from a rescue CD or rescue system and try to delete some unneeded files in /boot", but this doesn't work if you can reboot the system...

Does this work?
Code:
cd /boot 
ls -l
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  #3  
Old 23rd January 2008, 14:07
Sohail Khawaja Sohail Khawaja is offline
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No, this doesnt work,

boot#ls
9?^?????tdܰ??????4?j?

Now ??
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  #4  
Old 24th January 2008, 14:44
falko falko is offline
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I have no idea...
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  #5  
Old 6th January 2010, 09:04
guped guped is offline
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i have the same problem.


root@montreal [/boot]# cat /etc/redhat-release
CentOS release 5.4 (Final)

root@montreal [/boot]# uname -r
2.6.18-164.el5

root@montreal [/boot]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 448G 46G 379G 11% /
/dev/sdb1 452G 72G 356G 17% /backups
/dev/sda1 99M 98M 0 100% /boot
tmpfs 1.7G 0 1.7G 0% /dev/shm
/usr/tmpDSK 485M 24M 436M 6% /tmp
root@montreal [/boot]#

root@montreal [/boot]# ls -l
total 94411
drwxr-xr-x 4 root root 9216 Dec 26 11:52 ./
drwxr-xr-x 29 root root 4096 Dec 10 18:54 ../
-rwxr--r-- 1 root root 6144 Apr 27 2009 aquota.user*
-rw-r--r-- 1 root root 68667 Sep 30 14:23 config-2.6.18-164.2.1.el5
-rw-r--r-- 1 root root 68694 Sep 30 16:15 config-2.6.18-164.2.1.el5debug
-rw-r--r-- 1 root root 68620 Sep 30 15:00 config-2.6.18-164.2.1.el5PAE
-rw-r--r-- 1 root root 68289 Sep 30 15:38 config-2.6.18-164.2.1.el5xen
-rw-r--r-- 1 root root 68697 Nov 3 19:46 config-2.6.18-164.6.1.el5
-rw-r--r-- 1 root root 68724 Nov 3 22:38 config-2.6.18-164.6.1.el5debug
-rw-r--r-- 1 root root 68650 Nov 3 20:34 config-2.6.18-164.6.1.el5PAE
-rw-r--r-- 1 root root 68319 Nov 3 21:46 config-2.6.18-164.6.1.el5xen
-rw-r--r-- 1 root root 68697 Dec 16 00:33 config-2.6.18-164.9.1.el5
-rw-r--r-- 1 root root 68724 Dec 16 02:25 config-2.6.18-164.9.1.el5debug
-rw-r--r-- 1 root root 68650 Dec 16 01:10 config-2.6.18-164.9.1.el5PAE
-rw-r--r-- 1 root root 68319 Dec 16 01:48 config-2.6.18-164.9.1.el5xen
-rw-r--r-- 1 root root 68663 Sep 3 05:01 config-2.6.18-164.el5
-rw-r--r-- 1 root root 68690 Sep 3 06:53 config-2.6.18-164.el5debug
-rw-r--r-- 1 root root 68616 Sep 3 05:38 config-2.6.18-164.el5PAE
-rw-r--r-- 1 root root 68285 Sep 3 06:16 config-2.6.18-164.el5xen
drwxr-xr-x 2 root root 1024 Dec 26 11:52 grub/
-rw------- 1 root root 2580780 Oct 31 02:46 initrd-2.6.18-164.2.1.el5debug.img
-rw------- 1 root root 2573777 Oct 31 03:13 initrd-2.6.18-164.2.1.el5.img
-rw------- 1 root root 2574919 Oct 31 03:13 initrd-2.6.18-164.2.1.el5PAE.img
-rw------- 1 root root 2575107 Oct 31 03:13 initrd-2.6.18-164.2.1.el5xen.img
-rw------- 1 root root 2580730 Nov 5 02:43 initrd-2.6.18-164.6.1.el5debug.img
-rw------- 1 root root 2573957 Nov 11 22:03 initrd-2.6.18-164.6.1.el5.img
-rw------- 1 root root 2574866 Nov 11 22:02 initrd-2.6.18-164.6.1.el5PAE.img
-rw------- 1 root root 2575094 Nov 11 22:03 initrd-2.6.18-164.6.1.el5xen.img
-rw------- 1 root root 2581083 Dec 18 02:45 initrd-2.6.18-164.9.1.el5debug.img
-rw------- 1 root root 2573805 Dec 26 11:51 initrd-2.6.18-164.9.1.el5.img
-rw------- 1 root root 2574981 Dec 26 11:52 initrd-2.6.18-164.9.1.el5PAE.img
-rw------- 1 root root 2575117 Dec 26 11:52 initrd-2.6.18-164.9.1.el5xen.img
-rw------- 1 root root 2565458 Sep 24 13:24 initrd-2.6.18-164.el5debug.img
-rw------- 1 root root 2561141 Oct 2 15:02 initrd-2.6.18-164.el5.img
-rw------- 1 root root 2561727 Oct 2 15:02 initrd-2.6.18-164.el5PAE.img
-rw------- 1 root root 2561980 Oct 2 15:02 initrd-2.6.18-164.el5xen.img
drwx------ 2 root root 12288 Apr 26 2009 lost+found/
-rw-r--r-- 1 root root 80032 Mar 12 2009 message
-rwxr--r-- 1 root root 32 Apr 27 2009 quota.user*
-rw-r--r-- 1 root root 107917 Sep 30 16:15 symvers-2.6.18-164.2.1.el5debug.gz
-rw-r--r-- 1 root root 107427 Sep 30 14:23 symvers-2.6.18-164.2.1.el5.gz
-rw-r--r-- 1 root root 107503 Sep 30 15:00 symvers-2.6.18-164.2.1.el5PAE.gz
-rw-r--r-- 1 root root 107401 Sep 30 15:38 symvers-2.6.18-164.2.1.el5xen.gz
-rw-r--r-- 1 root root 107925 Nov 3 22:39 symvers-2.6.18-164.6.1.el5debug.gz
-rw-r--r-- 1 root root 107439 Nov 3 19:46 symvers-2.6.18-164.6.1.el5.gz
-rw-r--r-- 1 root root 107514 Nov 3 20:34 symvers-2.6.18-164.6.1.el5PAE.gz
-rw-r--r-- 1 root root 107413 Nov 3 21:47 symvers-2.6.18-164.6.1.el5xen.gz
-rw-r--r-- 1 root root 107926 Dec 16 02:26 symvers-2.6.18-164.9.1.el5debug.gz
-rw-r--r-- 1 root root 107435 Dec 16 00:33 symvers-2.6.18-164.9.1.el5.gz
-rw-r--r-- 1 root root 107513 Dec 16 01:10 symvers-2.6.18-164.9.1.el5PAE.gz
-rw-r--r-- 1 root root 107412 Dec 16 01:48 symvers-2.6.18-164.9.1.el5xen.gz
-rw-r--r-- 1 root root 107896 Sep 3 06:53 symvers-2.6.18-164.el5debug.gz
-rw-r--r-- 1 root root 107405 Sep 3 05:01 symvers-2.6.18-164.el5.gz
-rw-r--r-- 1 root root 107459 Sep 3 05:38 symvers-2.6.18-164.el5PAE.gz
-rw-r--r-- 1 root root 107385 Sep 3 06:16 symvers-2.6.18-164.el5xen.gz
-rw-r--r-- 1 root root 955868 Sep 30 14:23 System.map-2.6.18-164.2.1.el5
-rw-r--r-- 1 root root 970236 Sep 30 16:15 System.map-2.6.18-164.2.1.el5debug
-rw-r--r-- 1 root root 953352 Sep 30 15:00 System.map-2.6.18-164.2.1.el5PAE
-rw-r--r-- 1 root root 952519 Sep 30 15:38 System.map-2.6.18-164.2.1.el5xen
-rw-r--r-- 1 root root 956131 Nov 3 19:46 System.map-2.6.18-164.6.1.el5
-rw-r--r-- 1 root root 970499 Nov 3 22:38 System.map-2.6.18-164.6.1.el5debug
-rw-r--r-- 1 root root 953615 Nov 3 20:34 System.map-2.6.18-164.6.1.el5PAE
-rw-r--r-- 1 root root 952782 Nov 3 21:46 System.map-2.6.18-164.6.1.el5xen
-rw-r--r-- 1 root root 956242 Dec 16 00:33 System.map-2.6.18-164.9.1.el5
-rw-r--r-- 1 root root 970610 Dec 16 02:25 System.map-2.6.18-164.9.1.el5debug
-rw-r--r-- 1 root root 953726 Dec 16 01:10 System.map-2.6.18-164.9.1.el5PAE
-rw-r--r-- 1 root root 952893 Dec 16 01:48 System.map-2.6.18-164.9.1.el5xen
-rw-r--r-- 1 root root 954947 Sep 3 05:01 System.map-2.6.18-164.el5
-rw-r--r-- 1 root root 969315 Sep 3 06:53 System.map-2.6.18-164.el5debug
-rw-r--r-- 1 root root 952431 Sep 3 05:38 System.map-2.6.18-164.el5PAE
-rw-r--r-- 1 root root 952318 Sep 3 06:16 System.map-2.6.18-164.el5xen
-rw-r--r-- 1 root root 1858068 Sep 30 14:23 vmlinuz-2.6.18-164.2.1.el5
-rw-r--r-- 1 root root 2042196 Sep 30 16:15 vmlinuz-2.6.18-164.2.1.el5debug
-rw-r--r-- 1 root root 167 Sep 30 16:15 .vmlinuz-2.6.18-164.2.1.el5debug.hmac
-rw-r--r-- 1 root root 162 Sep 30 14:23 .vmlinuz-2.6.18-164.2.1.el5.hmac
-rw-r--r-- 1 root root 1854324 Sep 30 15:00 vmlinuz-2.6.18-164.2.1.el5PAE
-rw-r--r-- 1 root root 165 Sep 30 15:00 .vmlinuz-2.6.18-164.2.1.el5PAE.hmac
-rw-r--r-- 1 root root 2226022 Sep 30 15:38 vmlinuz-2.6.18-164.2.1.el5xen
-rw-r--r-- 1 root root 165 Sep 30 15:38 .vmlinuz-2.6.18-164.2.1.el5xen.hmac
-rw-r--r-- 1 root root 1858292 Nov 3 19:46 vmlinuz-2.6.18-164.6.1.el5
-rw-r--r-- 1 root root 2042420 Nov 3 22:38 vmlinuz-2.6.18-164.6.1.el5debug
-rw-r--r-- 1 root root 167 Nov 3 22:38 .vmlinuz-2.6.18-164.6.1.el5debug.hmac
-rw-r--r-- 1 root root 162 Nov 3 19:46 .vmlinuz-2.6.18-164.6.1.el5.hmac
-rw-r--r-- 1 root root 1854324 Nov 3 20:34 vmlinuz-2.6.18-164.6.1.el5PAE
-rw-r--r-- 1 root root 165 Nov 3 20:34 .vmlinuz-2.6.18-164.6.1.el5PAE.hmac
-rw-r--r-- 1 root root 2226163 Nov 3 21:46 vmlinuz-2.6.18-164.6.1.el5xen
-rw-r--r-- 1 root root 165 Nov 3 21:46 .vmlinuz-2.6.18-164.6.1.el5xen.hmac
-rw-r--r-- 1 root root 1858036 Dec 16 00:33 vmlinuz-2.6.18-164.9.1.el5
-rw-r--r-- 1 root root 2044180 Dec 16 02:25 vmlinuz-2.6.18-164.9.1.el5debug
-rw-r--r-- 1 root root 167 Dec 16 02:25 .vmlinuz-2.6.18-164.9.1.el5debug.hmac
-rw-r--r-- 1 root root 162 Dec 16 00:33 .vmlinuz-2.6.18-164.9.1.el5.hmac
-rw-r--r-- 1 root root 1854996 Dec 16 01:10 vmlinuz-2.6.18-164.9.1.el5PAE
-rw-r--r-- 1 root root 165 Dec 16 01:10 .vmlinuz-2.6.18-164.9.1.el5PAE.hmac
-rw-r--r-- 1 root root 2226679 Dec 16 01:48 vmlinuz-2.6.18-164.9.1.el5xen
-rw-r--r-- 1 root root 165 Dec 16 01:48 .vmlinuz-2.6.18-164.9.1.el5xen.hmac
-rw-r--r-- 1 root root 1855924 Sep 3 05:01 vmlinuz-2.6.18-164.el5
-rw-r--r-- 1 root root 2041364 Sep 3 06:53 vmlinuz-2.6.18-164.el5debug
-rw-r--r-- 1 root root 163 Sep 3 06:53 .vmlinuz-2.6.18-164.el5debug.hmac
-rw-r--r-- 1 root root 158 Sep 3 05:01 .vmlinuz-2.6.18-164.el5.hmac
-rw-r--r-- 1 root root 1852564 Sep 3 05:38 vmlinuz-2.6.18-164.el5PAE
-rw-r--r-- 1 root root 161 Sep 3 05:38 .vmlinuz-2.6.18-164.el5PAE.hmac
-rw-r--r-- 1 root root 2225793 Sep 3 06:16 vmlinuz-2.6.18-164.el5xen
-rw-r--r-- 1 root root 161 Sep 3 06:16 .vmlinuz-2.6.18-164.el5xen.hmac
-rw-r--r-- 1 root root 375889 Sep 30 13:48 xen.gz-2.6.18-164.2.1.el5
-rw-r--r-- 1 root root 375762 Nov 3 19:11 xen.gz-2.6.18-164.6.1.el5
-rw-r--r-- 1 root root 378595 Dec 15 23:58 xen.gz-2.6.18-164.9.1.el5
-rw-r--r-- 1 root root 375877 Sep 3 04:27 xen.gz-2.6.18-164.el5
-rwxr-xr-x 1 root root 817164 Sep 30 16:28 xen-syms-2.6.18-164.2.1.el5*
-rwxr-xr-x 1 root root 817164 Nov 3 22:53 xen-syms-2.6.18-164.6.1.el5*
-rwxr-xr-x 1 root root 825356 Dec 16 02:38 xen-syms-2.6.18-164.9.1.el5*
-rwxr-xr-x 1 root root 817160 Sep 3 07:06 xen-syms-2.6.18-164.el5*


thanks
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  #6  
Old 6th January 2010, 09:37
topdog topdog is offline
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guped, you issue is not the same. all you need to do is uninstall the old kernels that you are not using.
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  #7  
Old 6th January 2010, 20:32
guped guped is offline
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as i do that?

Could you please help me?
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