On Wed, Jul 25, 2018 at 05:41:54PM -0700, Marc MERLIN wrote:
> Howdy,
>
> Kernel 4.17, trying thin LV for the first time, and I'm getting this:
> gargamel:~# lvcreate -L 14.50TiB -Zn -T vgds2/thinpool2
> Using default stripesize 64.00 KiB.
> Thin pool volume with chunk size 8.00 MiB can address at most <1.98 PiB of data.
> /dev/mapper/vgds2-thinpool2_tmeta: open failed: No such file or directory
> Failed to activate new LV.
>
> any idea what I should try next?
Interestingly I got a different error, once:
gargamel:~# lvcreate -L 14.50TiB -Zn -T vgds2/thinpool2
Using default stripesize 64.00 KiB.
Thin pool volume with chunk size 8.00 MiB can address at most <1.98 PiB of data.
/dev/vgds2/lvol0: not found: device not cleared
Aborting. Failed to wipe start of new LV.
gargamel:~# mkdir /dev/vgds2/
gargamel:~# l /dev/mapper/
total 0
drwxr-xr-x 2 root root 200 Jul 25 17:27 ./
drwxr-xr-x 20 root root 5280 Jul 26 00:15 ../
crw------- 1 root root 10, 236 Jul 25 17:25 control
lrwxrwxrwx 1 root root 7 Jul 23 08:57 cryptroot -> ../dm-0
lrwxrwxrwx 1 root root 7 Jul 25 06:40 dshelf1 -> ../dm-1
lrwxrwxrwx 1 root root 7 Jul 26 00:11 dshelf2 -> ../dm-2
lrwxrwxrwx 1 root root 7 Jul 25 06:40 eswap1 -> ../dm-3
lrwxrwxrwx 1 root root 7 Jul 25 06:40 raid0d1 -> ../dm-4
lrwxrwxrwx 1 root root 7 Jul 25 06:40 raid0d2 -> ../dm-5
lrwxrwxrwx 1 root root 7 Jul 25 06:40 varchange -> ../dm-6
gargamel:~# vgchange -ay
0 logical volume(s) in volume group "vgds2" now active
gargamel:~# lvcreate -L 14.50TiB -Zn -T vgds2/thinpool2
Using default stripesize 64.00 KiB.
Thin pool volume with chunk size 8.00 MiB can address at most <1.98 PiB of data.
/dev/mapper/vgds2-thinpool2_tmeta: open failed: No such file or directory
Failed to activate new LV.
gargamel:~# psg lvm
root 2378 0.0 0.0 31600 488 ? Ss Jul25 0:00 /sbin/lvmetad
gargamel:~# lvcreate --version
LVM version: 2.02.176(2) (2017-11-03)
Library version: 1.02.145 (2017-11-03)
Driver version: 4.39.0
Configuration: ./configure --build=i686-linux-gnu --prefix=/usr --includedir=${prefix}/include --mandir=${prefix}/share/man --infodir=${prefix}/share/info --sysconfdir=/etc --localstatedir=/var --disable-silent-rules --libdir=${prefix}/lib/i386-linux-gnu --libexecdir=${prefix}/lib/i386-linux-gnu --runstatedir=/run --disable-maintainer-mode --disable-dependency-tracking --exec-prefix= --bindir=/bin --libdir=/lib/i386-linux-gnu --sbindir=/sbin --with-usrlibdir=/usr/lib/i386-linux-gnu --with-optimisation=-O2 --with-cache=internal --with-clvmd=corosync --with-cluster=internal --with-device-uid=0 --with-device-gid=6 --with-device-mode=0660 --with-default-pid-dir=/run --with-default-run-dir=/run/lvm --with-default-locking-dir=/run/lock/lvm --with-thin=internal --with-thin-check=/usr/sbin/thin_check --with-thin-dump=/usr/sbin/thin_dump --with-thin-repair=/usr/sbin/thin_repair --enable-applib --enable-blkid_wiping --enable-cmdlib --enable-cmirrord --enable-dmeventd --enable-dbus-service
--enable-lvmetad --enable-lvmlockd-dlm --enable-lvmlockd-sanlock --enable-lvmpolld --enable-notify-dbus --enable-pkgconfig --enable-readline --enable-udev_rules --enable-udev_sync
strace shows:
openat(AT_FDCWD, "/dev/vgds2/lvol0", O_RDWR|O_DIRECT|O_LARGEFILE|O_NOATIME) = 7
openat(AT_FDCWD, "/proc/self/maps", O_RDONLY|O_LARGEFILE) = 7
openat(AT_FDCWD, "/dev/urandom", O_RDONLY|O_LARGEFILE) = 8
openat(AT_FDCWD, "/proc/self/maps", O_RDONLY|O_LARGEFILE) = 7
stat64("/dev/mapper/dshelf2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 2), ...}) = 0
stat64("/dev/mapper/dshelf2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 2), ...}) = 0
openat(AT_FDCWD, "/sys/dev/block/253:7/bdi/read_ahead_kb", O_RDONLY|O_LARGEFILE) = 7
openat(AT_FDCWD, "/sys/dev/block/253:7/bdi/read_ahead_kb", O_WRONLY|O_LARGEFILE) = 7
stat64("/dev/mapper/control", {st_mode=S_IFCHR|0600, st_rdev=makedev(10, 236), ...}) = 0
openat(AT_FDCWD, "/dev/mapper/control", O_RDWR|O_LARGEFILE) = 4
stat64("/dev/vgds2/thinpool2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 7), ...}) = 0
lstat64("/dev/vgds2/thinpool2", {st_mode=S_IFLNK|0777, st_size=7, ...}) = 0
lstat64("/dev/vgds2/lvol0", 0xffe9462c) = -1 ENOENT (No such file or directory)
stat64("/dev/vgds2/thinpool2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 7), ...}) = 0
openat(AT_FDCWD, "/dev/vgds2/thinpool2", O_RDWR|O_DIRECT|O_LARGEFILE|O_NOATIME) = 7
openat(AT_FDCWD, "/proc/self/maps", O_RDONLY|O_LARGEFILE) = 7
openat(AT_FDCWD, "/dev/urandom", O_RDONLY|O_LARGEFILE) = 8
openat(AT_FDCWD, "/dev/urandom", O_RDONLY|O_LARGEFILE) = 8
stat64("/sys//dev/block/253:2/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
openat(AT_FDCWD, "/sys//dev/block/253:2/queue/minimum_io_size", O_RDONLY|O_LARGEFILE) = 7
stat64("/etc/lvm/backup", {st_mode=S_IFDIR|0700, st_size=10, ...}) = 0
access("/etc/lvm/backup", R_OK|W_OK|X_OK) = 0
openat(AT_FDCWD, "/etc/lvm/backup/.lvm_gargamel.svh.merlins.org_19532_130993407", O_WRONLY|O_CREAT|O_EXCL|O_APPEND|O_LARGEFILE, 0666) = 7
rename("/etc/lvm/backup/.lvm_gargamel.svh.merlins.org_19532_130993407", "/etc/lvm/backup/vgds2.tmp") = 0
rename("/etc/lvm/backup/vgds2.tmp", "/etc/lvm/backup/vgds2") = 0
stat64("/etc/lvm/backup/vgds2.tmp", 0xffe96b7c) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/lvm/backup", O_RDONLY|O_LARGEFILE) = 7
openat(AT_FDCWD, "/proc/self/maps", O_RDONLY|O_LARGEFILE) = 7
stat64("/dev/mapper/dshelf2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 2), ...}) = 0
stat64("/dev/mapper/dshelf2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 2), ...}) = 0
stat64("/dev/mapper/dshelf2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 2), ...}) = 0
stat64("/dev/mapper/dshelf2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 2), ...}) = 0
openat(AT_FDCWD, "/sys/dev/block/253:7/bdi/read_ahead_kb", O_RDONLY|O_LARGEFILE) = 8
openat(AT_FDCWD, "/sys/dev/block/253:7/bdi/read_ahead_kb", O_WRONLY|O_LARGEFILE) = 8
openat(AT_FDCWD, "/sys/dev/block/253:8/bdi/read_ahead_kb", O_RDONLY|O_LARGEFILE) = 8
openat(AT_FDCWD, "/sys/dev/block/253:8/bdi/read_ahead_kb", O_WRONLY|O_LARGEFILE) = 8
openat(AT_FDCWD, "/dev/mapper/vgds2-thinpool2_tmeta", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
/dev/mapper/vgds2-thinpool2_tmeta: open failed: No such file or directory
Failed to activate new LV.
gargamel:~# strace -etrace=file lvcreate -L 14.50TiB -Zn -T vgds2/thinpool2 2>&1 |grep thinpool2
execve("/sbin/lvcreate", ["lvcreate", "-L", "14.50TiB", "-Zn", "-T", "vgds2/thinpool2"], [/* 33 vars */]) = 0
stat64("/dev/vgds2/thinpool2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 7), ...}) = 0
lstat64("/dev/vgds2/thinpool2", {st_mode=S_IFLNK|0777, st_size=7, ...}) = 0
stat64("/dev/vgds2/thinpool2", {st_mode=S_IFBLK|0660, st_rdev=makedev(253, 7), ...}) = 0
openat(AT_FDCWD, "/dev/vgds2/thinpool2", O_RDWR|O_DIRECT|O_LARGEFILE|O_NOATIME) = 7
openat(AT_FDCWD, "/dev/mapper/vgds2-thinpool2_tmeta", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
/dev/mapper/vgds2-thinpool2_tmeta: open failed: No such file or directory
Any ideas?
Thanks,
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/ | PGP 7F55D5F27AAF9D08
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