Re: Unreadable disk
- From: "John Toner [MVP]" <jtoner@xxxxxxxxxxxxxxxxxxxxx>
- Date: Tue, 7 Mar 2006 11:33:59 -0500
Eric,
Assigning drive letters alone is not enough. Cluster uses a disks signature
to identify the physical disk resource so when you swap out storage, the new
disk will have a different signature.
You state, "cluster is out"...do you mean cluster service is stopped,
disabled, or uninstalled? If you mean stopped, I would expect the O/S to
report that all disks are unreadable. If you disable the cluster disk driver
(or uninstall MSCS), this should give you access to the disks.
Regards,
John
"Eric" <eboucq@xxxxxxxx> wrote in message
news:jtlq02tosso3oi6n6dmr4nb74amkfrhehr@xxxxxxxxxx
Hi everybody,
We want to migrate our cluster to a new IBM storage system (ficber
channel) faster than the actual one.
Here is what I did:
1°) backup the luns on the actuel IBM ESS
2°) connect the server to the new one and restore the Quorum disk. I
also attached the new luns using the same drive letters as the
previous luns
3°) apparently mscs didn't like that as it didn't see the quorum on
the new lun
3°) I decide to go back to the old storage: ALL MY DISKS ARE NOW IN
ERROR: STATUS UNREADABLE
Even if the cluster is out, Windows should still be able to access the
luns again no ?
Sorry if it isn't very clear. It isn't for me either.
Thanks.
Eric.
.
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