[linux-lvm] mounting a filesystem on LVM2
Ray Morris
support at bettercgi.com
Mon Oct 4 15:37:19 UTC 2010
See kpartx
--
Ray Morris
support at bettercgi.com
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On 10/04/2010 10:06:07 AM, Tapas Mishra wrote:
> On Mon, Oct 4, 2010 at 8:16 PM, Phillip Susi <psusi at cfl.rr.com> wrote:
> > Perhaps you should start by reading the howto.
>
>
> Ok here is some output I feel I should mention
>
> mount output is
> /dev/sda1 on / type ext4 (rw,errors=remount-ro)
> proc on /proc type proc (rw,noexec,nosuid,nodev)
> none on /sys type sysfs (rw,noexec,nosuid,nodev)
> none on /sys/fs/fuse/connections type fusectl (rw)
> none on /sys/kernel/debug type debugfs (rw)
> none on /sys/kernel/security type securityfs (rw)
> none on /dev type devtmpfs (rw,mode=0755)
> none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
> none on /dev/shm type tmpfs (rw,nosuid,nodev)
> none on /var/run type tmpfs (rw,nosuid,mode=0755)
> none on /var/lock type tmpfs (rw,noexec,nosuid,nodev)
> none on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
> none on /var/lib/ureadahead/debugfs type debugfs (rw,relatime)
>
> nintendo is a volume group which holds these LVMs
>
>
> > 1. ls -l /mnt/backup
>
> ls -l /mnt/backup/
> total 0
>
>
> > 2. ls -l /dev/mapper
>
>
> crw-rw---- 1 root root 10, 59 2010-09-29 17:57 control
> brw-rw---- 1 root disk 251, 0 2010-10-04 13:12 nintendo-backupos
> brw-rw---- 1 root disk 251, 2 2010-10-04 13:57 nintendo-backupos1
> brw-rw---- 1 root disk 251, 3 2010-10-04 13:57 nintendo-backupos2
> brw-rw---- 1 root disk 251, 6 2010-10-04 18:56 nintendo-lvm1
> brw-rw---- 1 root disk 251, 1 2010-10-04 18:56 nintendo-lvm2
> brw-rw---- 1 root disk 251, 5 2010-10-04 18:56 nintendo-lvm3
> brw-rw---- 1 root disk 251, 4 2010-10-04 18:56 nintendo-lvm4
>
> > 3. cat /proc/self/mountinfo
>
> 15 19 0:0 / /sys rw,nosuid,nodev,noexec,relatime - sysfs none rw
> 16 19 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc none rw
> 17 19 0:5 / /dev rw,relatime - devtmpfs none
> rw,size=4086108k,nr_inodes=1021527,mode=755
> 18 17 0:12 / /dev/pts rw,nosuid,noexec,relatime - devpts none
> rw,gid=5,mode=620,ptmxmode=000
> 19 1 8:1 / / rw,relatime - ext4
> /dev/disk/by-uuid/6876c294-0c70-4b4e-87a2-636ea19e5ed6
> rw,errors=remount-ro,barrier=1,data=ordered
> 21 15 0:15 / /sys/fs/fuse/connections rw,relatime - fusectl none rw
> 22 15 0:7 / /sys/kernel/debug rw,relatime - debugfs none rw
> 23 15 0:10 / /sys/kernel/security rw,relatime - securityfs none rw
> 24 17 0:16 / /dev/shm rw,nosuid,nodev,relatime - tmpfs none rw
> 25 19 0:17 / /var/run rw,nosuid,relatime - tmpfs none rw,mode=755
> 26 19 0:18 / /var/lock rw,nosuid,nodev,noexec,relatime - tmpfs none rw
> 27 19 0:19 / /lib/init/rw rw,nosuid,relatime - tmpfs none rw,mode=755
>
> > 4. cat /proc/self/mounts
> rootfs / rootfs rw 0 0
> none /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
> none /proc proc rw,nosuid,nodev,noexec,relatime 0 0
> none /dev devtmpfs
> rw,relatime,size=4086108k,nr_inodes=1021527,mode=755 0 0
> none /dev/pts devpts
> rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
> /dev/disk/by-uuid/6876c294-0c70-4b4e-87a2-636ea19e5ed6 / ext4
> rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
> none /sys/fs/fuse/connections fusectl rw,relatime 0 0
> none /sys/kernel/debug debugfs rw,relatime 0 0
> none /sys/kernel/security securityfs rw,relatime 0 0
> none /dev/shm tmpfs rw,nosuid,nodev,relatime 0 0
> none /var/run tmpfs rw,nosuid,relatime,mode=755 0 0
> none /var/lock tmpfs rw,nosuid,nodev,noexec,relatime 0 0
> none /lib/init/rw tmpfs rw,nosuid,relatime,mode=755 0 0
>
> > 5. cat /proc/1/mountinfo
> 15 19 0:0 / /sys rw,nosuid,nodev,noexec,relatime - sysfs none rw
> 16 19 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc none rw
> 17 19 0:5 / /dev rw,relatime - devtmpfs none
> rw,size=4086108k,nr_inodes=1021527,mode=755
> 18 17 0:12 / /dev/pts rw,nosuid,noexec,relatime - devpts none
> rw,gid=5,mode=620,ptmxmode=000
> 19 1 8:1 / / rw,relatime - ext4
> /dev/disk/by-uuid/6876c294-0c70-4b4e-87a2-636ea19e5ed6
> rw,errors=remount-ro,barrier=1,data=ordered
> 21 15 0:15 / /sys/fs/fuse/connections rw,relatime - fusectl none rw
> 22 15 0:7 / /sys/kernel/debug rw,relatime - debugfs none rw
> 23 15 0:10 / /sys/kernel/security rw,relatime - securityfs none rw
> 24 17 0:16 / /dev/shm rw,nosuid,nodev,relatime - tmpfs none rw
> 25 19 0:17 / /var/run rw,nosuid,relatime - tmpfs none rw,mode=755
> 26 19 0:18 / /var/lock rw,nosuid,nodev,noexec,relatime - tmpfs none rw
> 27 19 0:19 / /lib/init/rw rw,nosuid,relatime - tmpfs none rw,mode=755
>
> > 6. cat /proc/1/mounts
> rootfs / rootfs rw 0 0
> none /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
> none /proc proc rw,nosuid,nodev,noexec,relatime 0 0
> none /dev devtmpfs
> rw,relatime,size=4086108k,nr_inodes=1021527,mode=755 0 0
> none /dev/pts devpts
> rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
> /dev/disk/by-uuid/6876c294-0c70-4b4e-87a2-636ea19e5ed6 / ext4
> rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
> none /sys/fs/fuse/connections fusectl rw,relatime 0 0
> none /sys/kernel/debug debugfs rw,relatime 0 0
> none /sys/kernel/security securityfs rw,relatime 0 0
> none /dev/shm tmpfs rw,nosuid,nodev,relatime 0 0
> none /var/run tmpfs rw,nosuid,relatime,mode=755 0 0
> none /var/lock tmpfs rw,nosuid,nodev,noexec,relatime 0 0
> none /lib/init/rw tmpfs rw,nosuid,relatime,mode=755 0 0
>
> strace -f -ooutout mount /dev/mapper/nintendo-backupos /mnt/backup
> >
> I got on terminal
> mount: /dev/mapper/nintendo-backupos already mounted or /mnt/backup/
> busy
>
>
> and contents of outout
> are
>
>
>
> 20525 execve("/bin/mount", ["mount", "/dev/mapper/nintendo-backu"...,
> "/mnt/backup/"], [/* 18 vars */]) = 0
> 20525 brk(0) = 0x18f3000
> 20525 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> 20525 mmap(NULL, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea240000
> 20525 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
> directory)
> 20525 open("/etc/ld.so.cache", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=34118, ...}) = 0
> 20525 mmap(NULL, 34118, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea237000
> 20525 close(3) = 0
> 20525 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> 20525 open("/lib/libblkid.so.1", O_RDONLY) = 3
> 20525 read(3,
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0 at X\0\0\0\0\0\0"...,
> 832) = 832
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=126536, ...}) = 0
> 20525 mmap(NULL, 2221608, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f5de9e04000
> 20525 mprotect(0x7f5de9e20000, 2093056, PROT_NONE) = 0
> 20525 mmap(0x7f5dea01f000, 16384, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b000) = 0x7f5dea01f000
> 20525 close(3) = 0
> 20525 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> 20525 open("/lib/libuuid.so.1", O_RDONLY) = 3
> 20525 read(3,
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\25\0\0\0\0\0\0"...,
> 832) = 832
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=19008, ...}) = 0
> 20525 mmap(NULL, 2113920, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f5de9bff000
> 20525 mprotect(0x7f5de9c03000, 2093056, PROT_NONE) = 0
> 20525 mmap(0x7f5de9e02000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f5de9e02000
> 20525 close(3) = 0
> 20525 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> 20525 open("/lib/libselinux.so.1", O_RDONLY) = 3
> 20525 read(3,
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20Y\0\0\0\0\0\0"...,
> 832) = 832
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=117592, ...}) = 0
> 20525 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea236000
> 20525 mmap(NULL, 2217480, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f5de99e1000
> 20525 mprotect(0x7f5de99fd000, 2093056, PROT_NONE) = 0
> 20525 mmap(0x7f5de9bfc000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b000) = 0x7f5de9bfc000
> 20525 mmap(0x7f5de9bfe000, 1544, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f5de9bfe000
> 20525 close(3) = 0
> 20525 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> 20525 open("/lib/libsepol.so.1", O_RDONLY) = 3
> 20525 read(3,
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340D\0\0\0\0\0\0"...,
> 832) = 832
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=244576, ...}) = 0
> 20525 mmap(NULL, 2341536, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f5de97a5000
> 20525 mprotect(0x7f5de97df000, 2097152, PROT_NONE) = 0
> 20525 mmap(0x7f5de99df000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3a000) = 0x7f5de99df000
> 20525 close(3) = 0
> 20525 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> 20525 open("/lib/libc.so.6", O_RDONLY) = 3
> 20525 read(3,
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\355\1\0\0\0\0\0"...,
> 832) = 832
> 20525 fstat(3, {st_mode=S_IFREG|0755, st_size=1568136, ...}) = 0
> 20525 mmap(NULL, 3676200, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f5de9423000
> 20525 mprotect(0x7f5de959b000, 2097152, PROT_NONE) = 0
> 20525 mmap(0x7f5de979b000, 20480, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x178000) = 0x7f5de979b000
> 20525 mmap(0x7f5de97a0000, 18472, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f5de97a0000
> 20525 close(3) = 0
> 20525 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> directory)
> 20525 open("/lib/libdl.so.2", O_RDONLY) = 3
> 20525 read(3,
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\r\0\0\0\0\0\0"...,
> 832) = 832
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=14696, ...}) = 0
> 20525 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea235000
> 20525 mmap(NULL, 2109696, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f5de921f000
> 20525 mprotect(0x7f5de9221000, 2097152, PROT_NONE) = 0
> 20525 mmap(0x7f5de9421000, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f5de9421000
> 20525 close(3) = 0
> 20525 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea234000
> 20525 mmap(NULL, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea232000
> 20525 arch_prctl(ARCH_SET_FS, 0x7f5dea2327e0) = 0
> 20525 mprotect(0x7f5de9421000, 4096, PROT_READ) = 0
> 20525 mprotect(0x7f5de979b000, 16384, PROT_READ) = 0
> 20525 mprotect(0x7f5de99df000, 4096, PROT_READ) = 0
> 20525 mprotect(0x7f5de9bfc000, 4096, PROT_READ) = 0
> 20525 mprotect(0x7f5de9e02000, 4096, PROT_READ) = 0
> 20525 mprotect(0x7f5dea01f000, 12288, PROT_READ) = 0
> 20525 mprotect(0x612000, 4096, PROT_READ) = 0
> 20525 mprotect(0x7f5dea242000, 4096, PROT_READ) = 0
> 20525 munmap(0x7f5dea237000, 34118) = 0
> 20525 statfs("/selinux", {f_type="EXT2_SUPER_MAGIC", f_bsize=4096,
> f_blocks=2402873, f_bfree=1379180, f_bavail=1257120, f_files=610800,
> f_ffree=527078, f_fsid={-90057489, -1743393107}, f_namelen=255,
> f_frsize=4096}) = 0
> 20525 brk(0) = 0x18f3000
> 20525 brk(0x1914000) = 0x1914000
> 20525 open("/proc/filesystems", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> 20525 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea23f000
> 20525 read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 1024) = 313
> 20525 read(3, "", 1024) = 0
> 20525 close(3) = 0
> 20525 munmap(0x7f5dea23f000, 4096) = 0
> 20525 open("/usr/lib/locale/locale-archive", O_RDONLY) = -1 ENOENT (No
> such file or directory)
> 20525 open("/usr/share/locale/locale.alias", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=2570, ...}) = 0
> 20525 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea23f000
> 20525 read(3, "# Locale name alias data base.\n#"..., 4096) = 2570
> 20525 read(3, "", 4096) = 0
> 20525 close(3) = 0
> 20525 munmap(0x7f5dea23f000, 4096) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_IDENTIFICATION", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=458, ...}) = 0
> 20525 mmap(NULL, 458, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea23f000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_MEASUREMENT", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=23, ...}) = 0
> 20525 mmap(NULL, 23, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea23e000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_TELEPHONE", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=53, ...}) = 0
> 20525 mmap(NULL, 53, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea23d000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_ADDRESS", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=103, ...}) = 0
> 20525 mmap(NULL, 103, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea23c000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_NAME", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=72, ...}) = 0
> 20525 mmap(NULL, 72, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea23b000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_PAPER", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=34, ...}) = 0
> 20525 mmap(NULL, 34, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea23a000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_MESSAGES", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_MESSAGES/SYS_LC_MESSAGES",
> O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=53, ...}) = 0
> 20525 mmap(NULL, 53, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea239000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_MONETARY", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=294, ...}) = 0
> 20525 mmap(NULL, 294, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea238000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_COLLATE", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=1170770, ...}) = 0
> 20525 mmap(NULL, 1170770, PROT_READ, MAP_PRIVATE, 3, 0) =
> 0x7f5dea114000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_TIME", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=2578, ...}) = 0
> 20525 mmap(NULL, 2578, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea237000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_NUMERIC", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=54, ...}) = 0
> 20525 mmap(NULL, 54, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f5dea113000
> 20525 close(3) = 0
> 20525 open("/usr/lib/locale/en_IN/LC_CTYPE", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=256324, ...}) = 0
> 20525 mmap(NULL, 256324, PROT_READ, MAP_PRIVATE, 3, 0) =
> 0x7f5dea0d4000
> 20525 close(3) = 0
> 20525 umask(022) = 022
> 20525 open("/dev/null", O_RDWR) = 3
> 20525 close(3) = 0
> 20525 getuid() = 0
> 20525 geteuid() = 0
> 20525 stat("/dev/mapper/nintendo-backupos", {st_mode=S_IFBLK|0660,
> st_rdev=makedev(251, 0), ...}) = 0
> 20525 readlink("/dev", 0x7fff0dd219b0, 4096) = -1 EINVAL (Invalid
> argument)
> 20525 readlink("/dev/mapper", 0x7fff0dd219b0, 4096) = -1 EINVAL
> (Invalid argument)
> 20525 readlink("/dev/mapper/nintendo-backupos", 0x7fff0dd219b0, 4096)
> = -1 EINVAL (Invalid argument)
> 20525 rt_sigprocmask(SIG_BLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0
> 20525 open("/dev/mapper/nintendo-backupos", O_RDONLY) = 3
> 20525 fadvise64(3, 0, 0, POSIX_FADV_RANDOM) = 0
> 20525 fstat(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(251, 0), ...})
> = 0
> 20525 uname({sys="Linux", node="openworld", ...}) = 0
> 20525 ioctl(3, BLKGETSIZE64, 0x18f6f60) = 0
> 20525 lseek(3, 5368643584, SEEK_SET) = 5368643584
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 64) = 64
> 20525 lseek(3, 5368700928, SEEK_SET) = 5368700928
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 64) = 64
> 20525 lseek(3, 0, SEEK_SET) = 0
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 64) = 64
> 20525 lseek(3, 4096, SEEK_SET) = 4096
> 20525 read(3,
> "A\1\0\0Q\1\0\0a\1\0\0hI\1\0v\5\4\0\0\0\0\0\0\0\0\0\0\0\335\315"...,
> 64) = 64
> 20525 lseek(3, 5368708608, SEEK_SET) = 5368708608
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 40) = 40
> 20525 lseek(3, 5368577536, SEEK_SET) = 5368577536
> 20525 read(3,
> "\350Jz\245\33\177\0\0\350\367y\245\33\177\0\0\370\370x\245\33\177\0\0h\245w\245\33\177\0\0"...,
> 40) = 40
> 20525 lseek(3, 5368708096, SEEK_SET) = 5368708096
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 48) = 48
> 20525 lseek(3, 5368708608, SEEK_SET) = 5368708608
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 51) = 51
> 20525 lseek(3, 5368708608, SEEK_SET) = 5368708608
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 292) = 292
> 20525 lseek(3, 5368676864, SEEK_SET) = 5368676864
> 20525 read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 24)
> = 24
> 20525 lseek(3, 5368578560, SEEK_SET) = 5368578560
> 20525 read(3,
> "\0\37F\245\33\177\0\0\240N\320\220\33\177\0\0\f\0\0\0\5\0\0\0",
> 24) = 24
> 20525 lseek(3, 5368578048, SEEK_SET) = 5368578048
> 20525 read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\0\0\0\0", 24)
> = 24
> 20525 lseek(3, 5368504832, SEEK_SET) = 5368504832
> 20525 read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 24)
> = 24
> 20525 lseek(3, 5368703488, SEEK_SET) = 5368703488
> 20525 read(3, "\0\0\0\0", 4) = 4
> 20525 lseek(3, 4096, SEEK_SET) = 4096
> 20525 read(3,
> "A\1\0\0Q\1\0\0a\1\0\0hI\1\0v\5\4\0\0\0\0\0\0\0\0\0\0\0\335\315"...,
> 1024) = 1024
> 20525 lseek(3, 5368708608, SEEK_SET) = 5368708608
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 512) = 512
> 20525 lseek(3, 5368705024, SEEK_SET) = 5368705024
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 4096) = 4096
> 20525 lseek(3, 0, SEEK_SET) = 0
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 1024, SEEK_SET) = 1024
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 1048576, SEEK_SET) = 1048576
> 20525 read(3,
> "\0\201\0\0\0\201\1\0\0\201\2\0\0\201\3\0\0\201\4\0\0\201\f\0\0\201\r\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 3072, SEEK_SET) = 3072
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 7168, SEEK_SET) = 7168
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 15360, SEEK_SET) = 15360
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 31744, SEEK_SET) = 31744
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 64512, SEEK_SET) = 64512
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 8192, SEEK_SET) = 8192
> 20525 read(3,
> "\2\200\0\0\2\200\1\0\2\200\2\0\2\200\3\0\2\200\4\0\2\200\f\0\2\200\r\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 65536, SEEK_SET) = 65536
> 20525 read(3,
> "\20\200\0\0\20\200\1\0\20\200\2\0\20\200\3\0\20\200\4\0\20\200\f\0\20\200\r\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 32768, SEEK_SET) = 32768
> 20525 read(3,
> "\10\200\0\0\10\200\1\0\10\200\2\0\10\200\3\0\10\200\4\0\10\200\f\0\10\200\r\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 131072, SEEK_SET) = 131072
> 20525 read(3, " \200\0\0 \200\1\0 \200\2\0 \200\3\0 \200\4\0 \200\f\0
> \200\r\0\0\0\0\0"..., 1024) = 1024
> 20525 lseek(3, 135168, SEEK_SET) = 135168
> 20525 read(3,
> "!\200\0\0!\200\1\0!\200\2\0!\200\3\0!\200\4\0!\200\f\0!\200\r\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 139264, SEEK_SET) = 139264
> 20525 read(3,
> "\"\200\0\0\"\200\1\0\"\200\2\0\"\200\3\0\"\200\4\0\"\200\f\0\"\200\r\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 393216, SEEK_SET) = 393216
> 20525 read(3,
> "`\200\0\0`\200\1\0`\200\2\0`\200\3\0`\200\4\0`\200\f\0`\200\r\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 397312, SEEK_SET) = 397312
> 20525 read(3,
> "a\200\0\0a\200\1\0a\200\2\0a\200\3\0a\200\4\0a\200\f\0a\200\r\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 401408, SEEK_SET) = 401408
> 20525 read(3,
> "b\200\0\0b\200\1\0b\200\2\0b\200\3\0b\200\4\0b\200\f\0b\200\r\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 0, SEEK_SET) = 0
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 1377) = 1377
> 20525 lseek(3, 8192, SEEK_SET) = 8192
> 20525 read(3,
> "\2\200\0\0\2\200\1\0\2\200\2\0\2\200\3\0\2\200\4\0\2\200\f\0\2\200\r\0\0\0\0\0"...,
> 1377) = 1377
> 20525 lseek(3, 65536, SEEK_SET) = 65536
> 20525 read(3,
> "\20\200\0\0\20\200\1\0\20\200\2\0\20\200\3\0\20\200\4\0\20\200\f\0\20\200\r\0\0\0\0\0"...,
> 1377) = 1377
> 20525 lseek(3, 262144, SEEK_SET) = 262144
> 20525 read(3,
> "@\200\0\0@\200\1\0@\200\2\0@\200\3\0@\200\4\0@\200\f\0@\200\r\0\0\0\0\0"...,
> 1377) = 1377
> 20525 lseek(3, 9728, SEEK_SET) = 9728
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 512) = 512
> 20525 lseek(3, 18944, SEEK_SET) = 18944
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 512) = 512
> 20525 lseek(3, 2048, SEEK_SET) = 2048
> 20525 read(3,
> "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
> 1024) = 1024
> 20525 lseek(3, 2097152, SEEK_SET) = 2097152
> 20525 read(3,
> "\377\201\350\3\301\0\0\0bv\245Lbv\245L\30\246\237A\0\0\0\0\350\3\1\0\10\0\0\0"...,
> 1024) = 1024
> 20525 close(3) = 0
> 20525 open("/etc/filesystems", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> 20525 open("/proc/filesystems", O_RDONLY) = 3
> 20525 fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> 20525 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea0d3000
> 20525 read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 1024) = 313
> 20525 stat("/sbin/mount.fuseblk", 0x7fff0dd22560) = -1 ENOENT (No such
> file or directory)
> 20525 mount("/dev/mapper/nintendo-backupos", "/mnt/backup/",
> "fuseblk", MS_MGC_VAL, NULL) = -1 EBUSY (Device or resource busy)
> 20525 open("/proc/filesystems", O_RDONLY) = 4
> 20525 fstat(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> 20525 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea0d2000
> 20525 read(4, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 1024) = 313
> 20525 close(4) = 0
> 20525 munmap(0x7f5dea0d2000, 4096) = 0
> 20525 close(3) = 0
> 20525 munmap(0x7f5dea0d3000, 4096) = 0
> 20525 rt_sigprocmask(SIG_UNBLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) =
> 0
> 20525 open("/usr/share/locale/en_IN/LC_MESSAGES/util-linux-ng.mo",
> O_RDONLY) = -1 ENOENT (No such file or directory)
> 20525 open("/usr/share/locale/en/LC_MESSAGES/util-linux-ng.mo",
> O_RDONLY) = -1 ENOENT (No such file or directory)
> 20525
> open("/usr/share/locale-langpack/en_IN/LC_MESSAGES/util-linux-ng.mo",
> O_RDONLY) = -1 ENOENT (No such file or directory)
> 20525
> open("/usr/share/locale-langpack/en/LC_MESSAGES/util-linux-ng.mo",
> O_RDONLY) = -1 ENOENT (No such file or directory)
> 20525 write(2, "mount: /dev/mapper/virtualizatio"..., 79) = 79
> 20525 write(2, "\n", 1) = 1
> 20525 readlink("/dev", 0x7fff0dd216b0, 4096) = -1 EINVAL (Invalid
> argument)
> 20525 readlink("/dev/mapper", 0x7fff0dd216b0, 4096) = -1 EINVAL
> (Invalid argument)
> 20525 readlink("/dev/mapper/nintendo-backupos", 0x7fff0dd216b0, 4096)
> = -1 EINVAL (Invalid argument)
> 20525 readlink("/mnt", 0x7fff0dd216c0, 4096) = -1 EINVAL (Invalid
> argument)
> 20525 readlink("/mnt/backup", 0x7fff0dd216c0, 4096) = -1 EINVAL
> (Invalid argument)
> 20525 umask(077) = 022
> 20525 open("/etc/mtab", O_RDONLY) = 3
> 20525 umask(022) = 077
> 20525 fstat(3, {st_mode=S_IFREG|0644, st_size=586, ...}) = 0
> 20525 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5dea0d3000
> 20525 read(3, "/dev/sda1 / ext4 rw,errors=remou"..., 4096) = 586
> 20525 read(3, "", 4096) = 0
> 20525 close(3) = 0
> 20525 munmap(0x7f5dea0d3000, 4096) = 0
> 20525 exit_group(32) = ?
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
>
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