Re: lvcreate throws error : device not cleared
On Fri, Aug 17, 2012 at 3:28 PM, J. B <bakshi12@gmail.com> wrote:
>
> Thanks, [-Z n] only works with a warrning
-Z, --zero y/n
Controls zeroing of the first KB of data in the new logical volume.
Default is yes.
Warning: trying to mount an unzeroed logical volume can cause the
system to hang.
so be careful. i haven't tried this either.
for further reference check this
http://linux.about.com/library/cmd/blcmdl8_lvcreate.htm
>
> [...]
> WARNING: "root" not zeroed
> Logical volume "root" created
>
> [...]
>
> What does it mean and will it create any issue in future ?
>
> TIA
>
>
> On Fri, 17 Aug 2012 15:18:41 +0500
> Muhammad Yousuf Khan <sirtcp@gmail.com> wrote:
>
>> http://forums.funtoo.org/viewtopic.php?id=1206
>>
>> This might help
>>
>> On Fri, Aug 17, 2012 at 3:00 PM, J. B <bakshi12@gmail.com> wrote:
>> >
>> > Dear list,
>> >
>> > I'm with debian wheezy with lvm2 2.02.95-4.
>> >
>> > whenever I try to execute lvcreate it fails. Here is the output of such
>> > a command
>> >
>> > ``````````````````
>> > #lvcreate -v -n root -L 80G mygroup
>> >
>> > Setting logging type to disk
>> > Finding volume group "mygroup"
>> > Archiving volume group "mygroup" metadata (seqno 7).
>> > Creating logical volume root
>> > Creating volume group backup "/etc/lvm/backup/mygroup" (seqno 8).
>> > Found volume group "mygroup"
>> > activation/volume_list configuration setting not defined: Checking only host tags for mygroup/root
>> > Creating mygroup-root
>> > Loading mygroup-root table (254:1)
>> > Resuming mygroup-root (254:1)
>> > Clearing start of logical volume "root"
>> > /dev/mygroup/root: not found: device not cleared
>> > Aborting. Failed to wipe start of new LV.
>> > Found volume group "mygroup"
>> > Removing mygroup-root (254:1)
>> > Creating volume group backup "/etc/lvm/backup/mygroup" (seqno 9).
>> > semid 7340034: semop failed for cookie 0xd4ddd6c: incorrect semaphore state
>> > Failed to set a proper state for notification semaphore identified by cookie value 223206764 (0xd4ddd6c) to initialize waiting for incoming notifications.
>> > `````````````````````````
>> >
>> > Am I missing anything ?
>> >
>> > Thanks
>> >
>> >
>> > --
>> > To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org
>> > with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org
>> > Archive: [🔎] 20120817153019.07ad8929@shiva.selfip.org">http://lists.debian.org/[🔎] 20120817153019.07ad8929@shiva.selfip.org
>> >
Reply to: