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Restore root file system from tape, not working - help?

Restore root file system from tape, not working - help?

Post by Ian Crozie » Thu, 06 Mar 1997 04:00:00



Hi everybody,

                our root file system got burnt by a power outage.
        We replaced the disk, booted from cdrom and restored from a backup tape.
        We ran installboot, but when we try to boot we get a string of the following message:

        short read
        short read
        etc

        We restored the tape to an external disk, ran installboot and we are getting a similar
        problem i.e. short read, but there's also a message about not finding swapgeneric.

        Any infornation that could be helpful will be greatly appreciated.

        TIA

                                        Ian Crozier

 
 
 
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Restore root file system from tape, not working - help?

Post by Ian Crozie » Thu, 06 Mar 1997 04:00:00



> Hi everybody,

>                 our root file system got burnt by a power outage.
>         We replaced the disk, booted from cdrom and restored from a backup tape.
>         We ran installboot, but when we try to boot we get a string of the following message:

>         short read
>         short read
>         etc

>         We restored the tape to an external disk, ran installboot and we are getting a similar
>         problem i.e. short read, but there's also a message about not finding swapgeneric.

>         Any infornation that could be helpful will be greatly appreciated.

>         TIA

>                                         Ian Crozier

Well, we solved our problem.

Believe it or not, it was caused by a bad SCSI cable!

x

 
 
 
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Restore root file system from tape, not working - help?

Post by Jaime Orteg » Thu, 06 Mar 1997 04:00:00



> Hi everybody,

>                 our root file system got burnt by a power outage.
>         We replaced the disk, booted from cdrom and restored from a backup tape.
>         We ran installboot, but when we try to boot we get a string of the following message:

>         short read
>         short read
>         etc

>         We restored the tape to an external disk, ran installboot and we are getting a similar
>         problem i.e. short read, but there's also a message about not finding swapgeneric.

>         Any infornation that could be helpful will be greatly appreciated.

>         TIA

>                                         Ian Crozier

If you are in a hurry, I recommend installing Solaris again
from CDROM and restoring root from tape (except for /dev and
/devices) This process should not take you more than a couple
of hours.

(I assume you are not using ODS or Volume Manager)

Did you make sure your EPROM boot-device variable is pointing
to the right disk?

Cheers

        Jaime Ortega

 
 
 
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1. Help with dump/restore ("Tape is not a dump tape")

Hi,

I have performed dump of several partitions on a type in a Mammoth
drive. Then I tried to look at them by "restore", and I could access the
first partition. After that I ran "restore" once again, and I expected
that I would see the list of the files in the second partition. Instead,
all I got was the message "Tape is not a dump tape". When I ran "mt
status", it showed that I still am at the file 0. I also could not
advance by "mt fsf" - it exits immediately, and the status is the same.

I tried to backup two small directories, and I had no trouble restoring
them later. But when I backup whole partitions, I keep getting this
error.

I have Redhat 6.1.

Any ideas what's going on?

Thanks,
Simon
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