From: Sergio P. <spa...@zi...> - 2010-03-09 02:31:04
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Hi Henri, > What type of filesystem is under the unionfs? > Are the mounts different between coLinux and native Linux? Please check > differences from `mount` and `cat /proc/mounts`. > I am using squashfs. NATIVE LINUX: ubuntu@live:~$ mount proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) tmpfs on /lib/modules/2.6.28-11-generic/volatile type tmpfs (rw,mode=0755) varrun on /var/run type tmpfs (rw,noexec,nosuid,nodev,mode=0755) varlock on /var/lock type tmpfs (rw,noexec,nosuid,nodev,mode=1777) udev on /dev type tmpfs (rw,mode=0755) devshm on /dev/shm type tmpfs (rw) devpts on /dev/pts type devpts (rw,gid=5,mode=620) tmpfs on /tmp type tmpfs (rw,nodev,size=2022196k) securityfs on /sys/kernel/security type securityfs (rw) /sys/bus/usb on /proc/bus/usb type usbfs (rw) ubuntu@live:~$ cat /proc/mounts rootfs / rootfs rw 0 0 none /sys sysfs rw,nosuid,nodev,noexec 0 0 none /proc proc rw,nosuid,nodev,noexec 0 0 udev /dev tmpfs rw,mode=755 0 0 /dev/sdc1 /cdrom vfat rw,noatime,fmask=0022,dmask=0022,codepage=cp437,iocharset= iso8859-1 0 0 /dev/mapper/uncrypted /rofs squashfs ro 0 0 /dev/mapper/persist /media/pers ext3 rw,errors=continue,data=ordered 0 0 /dev/mapper/data /media/data ext3 rw,errors=continue,data=ordered 0 0 tmpfs /cow tmpfs rw,noatime 0 0 unionfs / unionfs rw,noatime,dirs=/cow=rw:/rofs=ro,debug=4294967295,delete=white out 0 0 unionfs /dev/.static/dev unionfs rw,noatime,dirs=/cow=rw:/rofs=ro,debug=42949672 95,delete=whiteout 0 0 tmpfs /var/run tmpfs rw,nosuid,nodev,noexec,mode=755 0 0 tmpfs /var/lock tmpfs rw,nosuid,nodev,noexec 0 0 tmpfs /dev/shm tmpfs rw 0 0 devpts /dev/pts devpts rw,gid=5,mode=620 0 0 tmpfs /var/run tmpfs rw,nosuid,nodev,noexec,mode=755 0 0 tmpfs /var/lock tmpfs rw,nosuid,nodev,noexec 0 0 tmpfs /tmp tmpfs rw,nodev,size=2022196k 0 0 securityfs /sys/kernel/security securityfs rw 0 0 /sys/bus/usb /proc/bus/usb usbfs rw 0 0 root@live:/home/ubuntu# modinfo squashfs filename: /lib/modules/2.6.28-11-generic/kernel/ubuntu/squashfs/squashfs.ko license: GPL author: Phillip Lougher <ph...@lo...> description: squashfs 3.2-r2-CVS, a compressed read-only filesystem srcversion: 7626F567E1FBB5EDCFF9F67 depends: vermagic: 2.6.28-11-generic SMP mod_unload modversions 586 root@live:/home/ubuntu# modinfo unionfs filename: /lib/modules/2.6.28-11-generic/kernel/ubuntu/unionfs/unionfs.ko license: GPL description: Unionfs 1.4 (http://unionfs.filesystems.org/) author: Filesystems and Storage Lab, Stony Brook University (http://www.fsl.cs.sunysb.edu/) srcversion: 61DAFD752F65FAF0D40207F depends: vermagic: 2.6.28-11-generic SMP mod_unload modversions 586 parm: debug:Initial Unionfs debug value. (int) root@live:/home/ubuntu# COLINUX: ubuntu@live:~$ mount proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) tmpfs on /lib/modules/2.6.28-11-generic/volatile type tmpfs (rw,mode=0755) varrun on /var/run type tmpfs (rw,noexec,nosuid,nodev,mode=0755) varlock on /var/lock type tmpfs (rw,noexec,nosuid,nodev,mode=1777) udev on /dev type tmpfs (rw,mode=0755) devshm on /dev/shm type tmpfs (rw) devpts on /dev/pts type devpts (rw,gid=5,mode=620) securityfs on /sys/kernel/security type securityfs (rw) ubuntu@live:~$ cat /proc/mounts rootfs / rootfs rw 0 0 none /sys sysfs rw,nosuid,nodev,noexec 0 0 none /proc proc rw,nosuid,nodev,noexec 0 0 udev /dev tmpfs rw 0 0 fusectl /sys/fs/fuse/connections fusectl 0 0 /dev/sda /cdrom vfat rw,noatime,fmask=0022,dmask=0022,codepage=cp437,iocharset= iso8859-1 0 0 0 tmpfs /cow tmpfs rw,noatime 0 0 unionfs / unionfs rw,noatime,dirs=/cow=rw:/rofs=ro 0 0 unionfs /dev/.static/dev unionfs rw,noatime,dirs=/cow=rw:/rofs=ro 0 0 tmpfs /var/run tmpfs rw,nosuid,nodev,noexec 0 0 tmpfs /var/lock tmpfs rw,nosuid,nodev,noexec 0 0 tmpfs /dev/shm tmpfs rw 0 0 devpts /dev/pts devpts rw,gid=5,mode=620 0 0 tmpfs /var/run tmpfs rw,nosuid,nodev,noexec,mode=755 0 0 tmpfs /var/lock tmpfs rw,nosuid,nodev,noexec 0 0 tmpfs /tmp tmpfs rw,nodev,size=2022196k 0 0 securityfs /sys/kernel/security securityfs rw 0 0 root@live:/home/ubuntu# modinfo squashfs filename: /lib/modules/2.6.22.18-co-0.7.6/kernel/fs/squashfs/squashfs.ko license: GPL author: Phillip Lougher <ph...@lo...> description: squashfs 3.4, a compressed read-only filesystem depends: vermagic: 2.6.22-18-co-0.7.6 preemp mod_unload 586 root@live:/home/ubuntu# modinfo unionfs filename: /lib/modules/2.6.22.18-co-0.7.6/kernel/fs/unionfs/unionfs.ko license: GPL description: Unionfs 2.5.4 (for 2.6.22.19) (http://unionfs.filesystems.org/) author: Filesystems and Storage Lab, Stony Brook University (http://www.fsl.cs.sunysb.edu/) depends: vermagic: 2.6.22.18-co-0.7.6 preemp mod_unload 586 root@live:/home/ubuntu# |