Re: Raid on a raid issue

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ip route is fine

The line in messages is

rask abrt[20512]: Not saving repeating crash in '/usr/libexec/gconfd-2'


On Thu, Jul 24, 2014 at 4:06 PM, Doll, Margaret Ann <margaret_doll@xxxxxxxxx
> wrote:

> There are a lot of entries in /var/log/messages noting an abort of rask.
>
> Unfortunately the system and the "new" raid have the same name.
>
>
> On Thu, Jul 24, 2014 at 4:02 PM, Jamie Fargen <jfargen@xxxxxxxxx> wrote:
>
>> It doesn't sound like they are in a cluster or hpc environment where you
>> could use xming+putty/xrdp/FreeNX.
>>
>> Sounds like the professors just buy workstations for their simulations,
>> which is very, very inefficient way to utilize resources.
>>
>> Is there anything in the logs that can give us an idea of the with errors
>> you are facing?
>> On Jul 24, 2014 3:54 PM, <m.roth@xxxxxxxxx> wrote:
>>
>> > Doll, Margaret Ann wrote:
>> > > Also, some of the software that we run is only written for the unix
>> > > platform, ie. a program like gaussian.
>> > >
>> > For Windows users, are you familiar with putty, which is freeware?
>> That's
>> > what our people use here.
>> >
>> >       mark
>> > >
>> > > On Thu, Jul 24, 2014 at 3:36 PM, Doll, Margaret Ann
>> > > <margaret_doll@xxxxxxxxx
>> > >> wrote:
>> > >
>> > >> My primary function is to service unix computers within two
>> departments.
>> > >>
>> > >> The unix computers are often used by groups of students running large
>> > >> programs or analyzing extremely large data sets.
>> > >>
>> > >> Samba allows Window users ( and Macs) to mount the data on the unix
>> > >> servers on their computers for analysis.
>> > >>
>> > >>
>> > >> On Thu, Jul 24, 2014 at 2:59 PM, <m.roth@xxxxxxxxx> wrote:
>> > >>
>> > >>> Doll, Margaret Ann wrote:
>> > >>> > Sometimes the su user is the owner.
>> > >>> >
>> > >>> Um... so, why are you administering his box, and why is it serving
>> > >>> samba
>> > >>> across campus? That raises my serious security hackles....
>> > >>>
>> > >>>          mark
>> > >>> >
>> > >>> > On Thu, Jul 24, 2014 at 2:51 PM, <m.roth@xxxxxxxxx> wrote:
>> > >>> >
>> > >>> >> Doll, Margaret Ann wrote:
>> > >>> >> > I created a system with three raids using the DELL
>> configuration
>> > >>> tools
>> > >>> >> > prior to installation of the RedHat system, 6.5.  The system
>> raid
>> > >>> was
>> > >>> >> > divided up into numerous partitions for the system and four
>> large
>> > >>> >> > partitions for users.  This system raid was a raid 0.
>> > >>> >> >
>> > >>> >> > After the installation samba worked.  I could log into the
>> system
>> > >>> from
>> > >>> >> > another subnet.
>> > >>> >> >
>> > >>> >> > Then a user with su privileges, took the four large partitions
>> on
>> > >>> the
>> > >>> >> > system raid and made them into another raid using mdadm
>> --create
>> > >>> and
>> > >>> >> > mdadm--assemble.
>> > >>> >> >
>> > >>> >> > Now the ssh connections from across the subnets time out.
>>  Samba
>> > >>> fails
>> > >>> >> > with "NT_STATUS_ACCESS_DENIED."  I can't even ping the system
>> from
>> > >>> >> across
>> > >>> >> > campus.
>> > >>> >> >
>> > >>> >> > I have had to modify /etc/fstab so that the four original
>> > >>> partitions
>> > >>> >> do
>> > >>> >> no
>> > >>> >> > try to mount.  The raid composed of the four partitions mounts
>> as
>> > >>> >> > /dev/md127p1.
>> > >>> >> >
>> > >>> >> > Is the ssh timeout problem, ping problem and samba problem all
>> > >>> caused
>> > >>> >> by
>> > >>> >> > the raid on raid creation?  The timing of the creation of the
>> new
>> > >>> raid
>> > >>> >> > indicates that it is.
>> > >>> >> >
>> > >>> >> First of all, I'd take su away from the user, who doesn't know
>> what
>> > >>> >> they're doing.
>> > >>> >>
>> > >>> >> Next - and I'm *really* not strong on samba - I'd assume that the
>> > >>> system
>> > >>> >> itself hasn't been reconfigured to (whatever word is used for a
>> > >>> samba
>> > >>> >> export). The ID's changed, the UUID's changed, etc, etc. And, of
>> > >>> course
>> > >>> >> any metadata on them is toast. I'm afraid you're going to have to
>> > >>> >> recreate
>> > >>> >> them from scratch; anything on them... hope you've got backups.
>> > >>> >>
>> > >>> >>         mark
>> > >>> >>
>> > >>> >> --
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>> > >>> >> https://www.redhat.com/mailman/listinfo/redhat-list
>> > >>> >>
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