This looks like a tools problem, forwarding to linux-lvm@redhat.com.
- Joe
On Wed, Feb 18, 2004 at 06:31:44PM -0500, Christian Robert wrote:
>
> Problem extending an "lv" with an active Snapshot
>
> 2.6.2 + udm2
>
>
> to recreate:
>
> # # create a test "lv"
> # lvcreate -L2G -n test vg01
> Logical volume "test" created
>
> # # format the "lv"
> # mkreiserfs /dev/vg01/test
> [...]
>
> # #create a Snapshot for the test "lv"
> # lvcreate -s -L1G -n Stest /dev/vg01/test
> Logical volume "Stest" created
>
> # mount /dev/vg01/test /mnt
>
> # df /mnt
> Filesystem 1K-blocks Used Available Use% Mounted
> /dev/mapper/vg01-test 2097084 32840 2064244 2% /mnt
>
>
> # lvextend -L+1G /dev/vg01/test
> Extending logical volume test to 3.00 GB
> device-mapper ioctl cmd 9 failed: Invalid argument
> Couldn't load device 'vg01-Stest'.
> Problem reactivating test
> #
>
> At this point the system is in strange state, trying to unmount /mnt
> will lock the "umount" process. Even reboot don't work.
>
>
> # lvdisplay /dev/vg01/{,S}test
> --- Logical volume ---
> LV Name /dev/vg01/test
> VG Name vg01
> LV UUID ES5ear-aiRx-LwW9-5ZHn-uqwP-dmJI-O5Oxkk
> LV Write Access read/write
> LV snapshot status source of
> /dev/vg01/Stest [active]
> LV Status suspended
> # open 2
> LV Size 3.00 GB
> Current LE 96
> Segments 2
> Allocation next free (default)
> Read ahead sectors 0
> Block device 254:94
>
> --- Logical volume ---
> LV Name /dev/vg01/Stest
> VG Name vg01
> LV UUID lmxkER-1rkc-Yzr6-js04-igpc-nAXn-d5SDmF
> LV Write Access read/write
> LV snapshot status active destination for /dev/vg01/test
> LV Status suspended
> # open 0
> LV Size 3.00 GB
> Current LE 96
> Segments 1
> Snapshot chunk size 8.00 KB
> Allocated to snapshot 0.00%
> Allocation next free (default)
> Read ahead sectors 0
> Block device 254:97
>
>
>
>
> Now the question: Is it supposed to work ? I know for sure that if
> I delete the snapshot before extending the "lv"
> it will work like a charm.
>
> thanks,
>
> Xtian.
>
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
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