But, in this case, I can't copy some files when I have free memory less than 500 MB of this 4 GB memory block.
I think, in this operations OS is limited by this 4GB memory block - although much more memory blocks may be availaible in RAM. OS detects all the memory in fact.
During the copy operation, the system logs this:
Code: Select all
Dec 7 04:06:57 localhost kernel: device-mapper: snapshots: Invalidating snapshot: Unable to allocate exception.
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 839070)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838045
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 838046)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838046
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 838047)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838047
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 838048)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838048
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 838049)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838049
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 838050)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838050
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 838051)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838051
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 838052)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838052
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 838053)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838053
Dec 7 04:06:57 localhost kernel: EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error -5 writing to inode 155909 (offset 0 size 0 starting block 838054)
Dec 7 04:06:57 localhost kernel: Buffer I/O error on device dm-0, logical block 838054
What can I do to solve this? Kickstart file:
Code: Select all
lang en_US.UTF-8
keyboard us
auth --useshadow --enablemd5
rootpw P@ssw0rd
selinux --enforcing
firewall --disabled
graphical
autopart --type=plain
repo --name=base --mirrorlist=http://mirrorlist.centos.org/?release=7&arch=$basearch&repo=os&infra=stock
repo --name=epel --baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch
xconfig --defaultdesktop=xfce-desktop
%packages --excludedocs
@core --nodefaults
@fonts
@multimedia
@x11
@xfce-desktop
@input-methods
grub2-efi-x64-cdboot-2.02-0.64.el7.centos.x86_64
-iscsi-initiator-utils
-libiscsi
-yum
-sssd-client
-man-pages
-bzip2
-ethtool
-iptables
-iproute
-iputils
-man-db
-openssh
bash
kernel
passwd
policycoreutils
chkconfig
authconfig
rootfiles
autofs
lshw
mc
unzip
firefox
xdotool
%end
%post --nochroot
cp -Rf /var/livecd/files/etc/* $INSTALL_ROOT/etc/
cp -Rf /var/livecd/files/var/* $INSTALL_ROOT/var/
%end