Hot-Swapping hard drives on Dell PowerEdge 2850 running FBSD 5.5-PRE

[Joao Barros]

On 6/24/06, Alex Franks <arfranks at gmail.com> wrote:
> On 6/23/06, Joao Barros <joao.barros at gmail.com> wrote:
> > On 6/23/06, Alex Franks <arfranks at gmail.com> wrote:
> > > The controller is a Perc 4e/Di as assumed, and I'm still a little
> > > unsure as to whether the 2 drives that shipped with the machine are
> > > currently set up in a RAID array. The current filesystem is mounted on
> > > /dev/amrd0s1[a-f] and I would expect to find the new drives named
> > > similarly after using some useful utility that I'm unaware of. Any
> > > thoughts?
> > >
> > > Thanks again.
> > > Alex
> >
> > Try amrstat from ports which will show you something like this:
> >
> > Logical volume 0        optimal (101.60 GB, RAID5)
> > Physical drive 0:0      online
> > Physical drive 0:1      online
> > Physical drive 1:0      online
> > Physical drive 1:2      online
> > Physical drive 1:4      hotspare
> >
> >
> > --
> > Joao Barros
> >
>
> Sadly, amrstat-20060414 doesn't build on FBSD 6.0 or earlier (or so
> says the error msg I get when trying to build it). I've got megarc
> installed but have no idea how to use it and no man page was included
> with the port.
>
> Anyone more familiar with this utility?
>
> Alex
>

For what you need to know this should be enough:

#megarc -dispCfg -a0


        **********************************************************************
              MEGARC MegaRAID Configuration Utility(FreeBSD)-1.04(03-02-2005)
              By LSI Logic Corp.,USA
        **********************************************************************
          [Note: For SATA-2, 4 and 6 channel controllers, please specify
          Ch=0 Id=0..15 for specifying physical drive(Ch=channel, Id=Target)]

        Type ? as command line arg for help


        Finding Devices On Each MegaRAID Adapter...
        Scanning Ha 0, Chnl 1 Target 15


        **********************************************************************
              Existing Logical Drive Information
              By LSI Logic Corp.,USA
        **********************************************************************
          [Note: For SATA-2, 4 and 6 channel controllers, please specify
          Ch=0 Id=0..15 for specifying physical drive(Ch=channel, Id=Target)]


          Logical Drive : 0( Adapter: 0 ):  Status: OPTIMAL
        ---------------------------------------------------
        SpanDepth :01     RaidLevel: 5  RdAhead : Adaptive  Cache: DirectIo
        StripSz   :064KB   Stripes  : 4  WrPolicy: WriteThru

        Logical Drive 0 : SpanLevel_0 Disks
        Chnl  Target  StartBlock   Blocks      Physical Target Status
        ----  ------  ----------   ------      ----------------------
        0      01    0x00000000   0x043bc000   ONLINE
        0      00    0x00000000   0x043bc000   ONLINE
        1      00    0x00000000   0x043bc000   ONLINE
        1      02    0x00000000   0x043bc000   ONLINE

        HotSpare Disk at Channel No. 1 and ID No. 4

Contrary to what megarc says, it's -h not -? for help.
Hope this helps.

-- 
Joao Barros