From: Parker Mark (Mark.Parker@le-group.co.uk)
Date: Fri Aug 09 2002 - 06:37:47 EDT
> We are experiencing difficulties in configuring two Sun Fire 880 servers
> connected to a SunStoredge 3910 disk array via a single PCI FC-AL HBA with
> the Veritas Foundation suite products.
>
> The Veritas versions are : VXVM 3.2 patch02 , VXFS 3.4 patch 03 , VCS 2
>
> Our Solaris install is Version 8 with the recommend and security patches
> from 1 week ago. We have followed the reference documentation for the 3910
> and installed the patches for the SUNWsan, SUNWcfpl and SUNWcfplx
> packages, along with updating the FCode of the HBA's to 1.13
>
> The 3910 is in its default configuration, we have not altered the switch
> configuration, and the T3 disks are configured into 4 LUNS using RAID 5.
>
> The two 880 servers are connected into port 2 of both switches. (server1
> connected to port 2 of switch 1, server2 connected to port 2 of switch 2)
>
> Here are the issues we are experiencing.
>
> Using VXVM we create a concat volume on each of the 4 LUNs available on
> the t3 in a separate diskgroup to rootdg. We only need one server at a
> time to be accessing the disks, as we intend on using VCS in an
> active/passive configuration.
>
> We import the disk group onto server1 and mount and operate the disks
> fine. However when we attempt to deport the disk group and import them
> onto the second server (server2) there is a significant delay in the
> import process, and when the disk are viewable via "vxdisk list" some of
> the disk are in error. If after a period of 2 minutes we run the "vxdisk
> scandisks" command the disks are shown as being online with no errors, and
> we can then mount them are work with them.
>
> Is there a timing issue with moving the disks across between server in
> this configuration? performing the basic "format" command the disk are
> always viewable by both servers.
>
> Anyone insights into what may be happening would be greatly appreciated.
>
> Many Thanks
>
> Mark Parker
>
>
>
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