Re: dev node change

[Alessandro MACUZ <alessandro.macuz@gmail.com>]

2013/12/10 Peter Rajnoha <prajnoha@redhat.com>

On 12/09/2013 04:13 PM, Umar Draz wrote:
> Hi All
>
> I have a SCSI share which i am  using linux initiator on my ubuntu. Its
> available for me in /dev/sdb
>
> No I have created lvm group using the /dev/sdb. Today I just logut and
> login my scsi share but this time ubutnu gave me this as /dev/sdc
> instead of /dev/sdb.
>
> due to this my lvm group is stuck, and its giving me the error
>
> Input/output error
>
> on pvdisplay or vgdisplay,
>
> Any body help me how I can reslove this issue.?
>

You should always deactivate your LVM volumes before
disconnecting the underlying iSCSI volumes and then when
you reconnect the iSCSI back, activate the LVM volumes
(or if autoactivation is used - meaning use_lvmetad=1
is set in lvm.conf, this activation happens automatically).

Alternatively, you can call vgchange --refresh when the
iSCSI is connected back.

Couldn't be used the identification of PV by UUID here? It should be better imo.

Alex

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