Delete some old kernels?
On 07/09/2013 10:17 PM, Sumant Raykar wrote:
> Hello,
>
> I am new to Debian. I have Wheezy installed on my Thinkpad x230
> laptop. My kernel is 3.2.0-4-amd64.
> The problem I am getting is that my "/" directory is 100% full.
> Because of this, I am unable to update my kernel as I get an
> insufficient space error. However, my hard disk has almost 300 GiB free.
>
> When I tried to run lvxtend to expand the / directory, I get an
> "Insufficient free space: 256 extents needed, but only 0 available"
> error. The filesystem is ext4 and I am using an encrypted LVM.
> Some more detail can be found in these outputs:
>
> The problem:
>
> root@debian:/# lvextend -L +1G /dev/mapper/debian-root
> Incorrect metadata area header checksum on /dev/sda1 at offset 4096
> Extending logical volume root to 1.32 GiB
> Insufficient free space: 256 extents needed, but only 0 available
>
> Some tests:
>
> root@debian:/# df -h
> Filesystem Size Used Avail Use% Mounted on
> rootfs 322M 321M 0 100% /
> udev 10M 0 10M 0% /dev
> tmpfs 367M 816K 366M 1% /run
> /dev/mapper/debian-root 322M 321M 0 100% /
> tmpfs 5.0M 0 5.0M 0% /run/lock
> tmpfs 734M 84K 734M 1% /run/shm
> /dev/sda1 228M 19M 197M 9% /boot
> /dev/mapper/debian-home 275G 59G 203G 23% /home
> /dev/mapper/debian-tmp 368M 11M 339M 3% /tmp
> /dev/mapper/debian-usr 8.3G 5.3G 2.6G 68% /usr
> /dev/mapper/debian-var 2.8G 679M 2.0G 26% /var
>
>
> root@debian:/# pvdisplay
> Incorrect metadata area header checksum on /dev/sda1 at offset 4096
> --- Physical volume ---
> PV Name /dev/dm-0
> VG Name debian
> PV Size 297.85 GiB / not usable 2.00 MiB
> Allocatable yes (but full)
> PE Size 4.00 MiB
> Total PE 76249
> Free PE 0
> Allocated PE 76249
> PV UUID NKMEex-9pcW-QMSi-dKEX-5XOI-nBXc-glrtNz
>
> "/dev/sda1" is a new physical volume of "243.00 MiB"
> --- NEW Physical volume ---
> PV Name /dev/sda1
> VG Name
> PV Size 243.00 MiB
> Allocatable NO
> PE Size 0
> Total PE 0
> Free PE 0
> Allocated PE 0
> PV UUID a1KkXm-XB4C-o5SH-jnHz-BdZJ-u8v3-LscZ7W
>
>
> root@debian:/# mount
> sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
> proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
> udev on /dev type devtmpfs
> (rw,relatime,size=10240k,nr_inodes=467547,mode=755)
> devpts on /dev/pts type devpts
> (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
> tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=375388k,mode=755)
> /dev/mapper/debian-root on / type ext4
> (rw,relatime,errors=remount-ro,user_xattr,barrier=1,stripe=4,data=ordered)
> tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
> tmpfs on /run/shm type tmpfs
> (rw,nosuid,nodev,noexec,relatime,size=750760k)
> /dev/sda1 on /boot type ext2 (rw,relatime,errors=continue)
> /dev/mapper/debian-home on /home type ext4
> (rw,relatime,user_xattr,barrier=1,data=ordered)
> /dev/mapper/debian-tmp on /tmp type ext4
> (rw,relatime,user_xattr,barrier=1,stripe=4,data=ordered)
> /dev/mapper/debian-usr on /usr type ext4
> (rw,relatime,user_xattr,barrier=1,data=ordered)
> /dev/mapper/debian-var on /var type ext4
> (rw,relatime,user_xattr,barrier=1,data=ordered)
> rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
> binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc
> (rw,nosuid,nodev,noexec,relatime)
>
> The problem appears to be the "Free PE 0" from some research that
> I did online. I want to know how I can fix this issue so that I can
> then use lvextend to increase the size of the root directory. What is
> a recommended value for the size of this directory? I used the
> defaults suggested by the partition manager during installation, but
> it is clearly insufficient as seen above. Any help would be appreciated.
>
> Thanks,
> Sumant
