Несколько вопросов по Linux [performance][automount][responsiveness]

#/dev/BOOT		/boot		ext2		noauto,noatime	1 2
/dev/sda3		/		ext4		noatime		0 1
#/dev/SWAP		none		swap		sw		0 0
#/dev/sr0		/mnt/cdrom	auto		noauto,ro	0 0
#/dev/fd0		/mnt/floppy	auto		noauto		0 0

shm			/dev/shm	tmpfs		nodev,nosuid,noexec	0 0
proc        		/proc        	proc    	defaults             	0 0

/dev/sr0      /mnt/cdrom   auto      noauto,ro,users   0 0

[ebuild  N    ] gnome-base/gnome-vfs-2.24.4  USE="acl ssl -avahi -doc -fam -gnutls -hal -ipv6 -kerberos -samba -test" 1,847 kB
[ebuild  N    ] gnome-base/gnome-applets-2.32.1.1  USE="policykit -battstat -gnome -gstreamer -hal -ipv6 -networkmanager" 9,848 kB
[ebuild  N    ] gnome-base/gvfs-1.6.6-r1  USE="bash-completion gdu http udev -archive -avahi -bluetooth -cdda -doc -fuse -gnome -gnome-keyring -gphoto2 -hal -iphone -samba" 1,356 kB

[ebuild   R   ] gnome-base/gvfs-1.6.4-r2  USE="bash-completion bluetooth fuse gdu gnome gnome-keyring http udev -archive -avahi -cdda -doc -gphoto2 -hal -iphone -samba" 0 kB
[ebuild   R   ] gnome-base/gnome-applets-2.30.0-r1  USE="gnome gstreamer policykit -battstat -debug -hal -ipv6 -networkmanager" 0 kB
[ebuild   R   ] gnome-base/gnome-vfs-2.24.3-r1  USE="acl fam ssl -avahi -debug -doc -gnutls -hal -ipv6 -kerberos -samba" 0 kB

cat /etc/udev/rules.d/99-mnt.rules 
KERNEL!="sd[a-z][0-9]", GOTO="end-of-file"
KERNEL=="sd[a-z]", GROUP="disk"
ACTION=="remove", KERNEL=="sd[d-z][0-9]", ENV{ID_FS_TYPE}!="", RUN+="/bin/sed -i '/\/dev\/%k /d' /etc/fstab"
ACTION=="remove", KERNEL=="sd[d-z][0-9]", ENV{ID_FS_TYPE}!="", RUN+="/bin/rmdir /media/$env{ID_FS_TYPE}-%k"
ACTION=="add", KERNEL=="sd[a-z][0-9]", ENV{ID_FS_TYPE}!="", RUN+="/bin/mkdir -p /media/$env{ID_FS_TYPE}-%k"
# монтирование раздела fat32
ACTION=="add", KERNEL=="sd[a-z][0-9]", PROGRAM=="/lib/udev/vol_id -t %N", RESULT=="vfat", RUN+="/bin/sed -i '$a\/dev/%k /media/$env{ID_FS_TYPE}-%k vfat rw,noauto,noatime,dmask=022,gid=user,user,fmask=133,iocharset=koi8-r 0 0' /etc/fstab", OPTIONS="last_rule"
# монтирование раздела ntfs
ACTION=="add", KERNEL=="sd[a-z][0-9]", PROGRAM=="/lib/udev/vol_id -t %N", RESULT=="ntfs", RUN+="/bin/sed -i '$a\/dev/%k /media/$env{ID_FS_TYPE}-%k ntfs-3g rw,noauto,dmask=022,fmask=133,gid=user,user,iocharset=koi8-r 0 0' /etc/fstab", OPTIONS="last_rule"
# монтирование прочих ФС
ACTION=="add", KERNEL=="sd[a-z][0-9]", ENV{ID_FS_TYPE}!="", RUN+="/bin/sed -i '$a\/dev/%k /media/$env{ID_FS_TYPE}-%k $env{ID_FS_TYPE}  defaults,user 0 0' /etc/fstab"
LABEL="end-of-file"

KERNEL=="sd[a-z]", GOTO="do-disk-rules"
KERNEL!="sd[a-z][0-9]", GOTO="end-of-file"
LABEL="do-disk-rules"
KERNEL=="sd[a-z]", GROUP="disk"
ACTION=="remove", ENV{ID_FS_TYPE}!="", RUN+="/bin/sed -i '/\/dev\/%k /d' /etc/fstab"
ACTION=="remove", ENV{ID_FS_TYPE}!="", RUN+="/bin/rmdir /media/$env{ID_FS_TYPE}-%k"
ACTION=="add", ENV{ID_FS_TYPE}!="", RUN+="/bin/mkdir -p /media/$env{ID_FS_TYPE}-%k"
# монтирование раздела fat32
ACTION=="add", PROGRAM=="/lib/udev/vol_id -t %N", RESULT=="vfat", RUN+="/bin/sed -i '$a\/dev/%k /media/$env{ID_FS_TYPE}-%k vfat rw,noauto,noatime,dmask=022,gid=user,user,fmask=133,iocharset=koi8-r 0 0' /etc/fstab", OPTIONS="last_rule"
# монтирование раздела ntfs
ACTION=="add", PROGRAM=="/lib/udev/vol_id -t %N", RESULT=="ntfs", RUN+="/bin/sed -i '$a\/dev/%k /media/$env{ID_FS_TYPE}-%k ntfs-3g rw,noauto,dmask=022,fmask=133,gid=user,user,iocharset=koi8-r 0 0' /etc/fstab", OPTIONS="last_rule"
# монтирование прочих ФС
ACTION=="add", ENV{ID_FS_TYPE}!="", RUN+="/bin/sed -i '$a\/dev/%k /media/$env{ID_FS_TYPE}-%k $env{ID_FS_TYPE}  defaults,user 0 0' /etc/fstab"
LABEL="end-of-file"