[rescue] Imaging Solaris 2.5 without SCSI devices

[Andrew Jones]

Stop non-essential services, remount read-only if possible.

Also: I would go for both a dd image AND a tarfile.  It's all of 4G of 
space consumed, and you never know when one file out of the tarball will 
be useful.

On 12/05/2011 06:05 PM, Ian Finder wrote:
> Thanks Carl.
>
> I have a nice Origin 200 running as an NFS server here, and I was
> going to try that.
>
> Mostly what I'm worried about is DDing a mounted, running, volume.
>
> Is this something that should be attempted from single user mode or similar?
>
> Namely worried about filesystem integrity and locks.
>
> I'm concerned because I have no good way of verifying the integrity of
> the image without wiping the drive, due to simple lack of hardware.
>
> -- Ian
>
>
>
> On Mon, Dec 5, 2011 at 2:47 PM, Carl R. Friend<crfriend at rcn.com>  wrote:
>>    On Mon, 5 Dec 2011, Ian Finder wrote:
>>
>>> Does anyone know the best way of doing this short of dding the disc to
>>> a 1GB external SCSI drive?
>>
>>
>>    If your extant system boots up enough to join a network that
>> supports NFS you can (1) dd the running disk to a file on an NFS-
>> mounted spot, (2) tar/cpio the contents pf the running disk to an
>> NFS-mounted directory hierarchy.
>>
>>    Option 1 will yield something that can be booted in a simulator
>> (QEMU comes to mind) and option two will save key files that'll
>> contain all the on-disk configuration in a readable strcuture for
>> future reference.  Option 1 will allow you to recreate a bootable
>> disk so long as you have *another* device that you can connect a
>> compatible disk to; option 2 will, of necessity, be missing the
>> bootblock.
>>
>>    Cheers.
>>
>> +------------------------------------------------+---------------------+
>> | Carl Richard Friend (UNIX Sysadmin)            | West Boylston       |
>> | Minicomputer Collector / Enthusiast            | Massachusetts, USA  |
>> | mailto:crfriend at rcn.com                        +---------------------+
>> | http://users.rcn.com/crfriend/museum           | ICBM: 42:22N 71:47W |
>> +------------------------------------------------+---------------------+
>>
>> _______________________________________________
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>
>
>
> --
>     Ian Finder
>     (206) 395-MIPS
>     ian.finder at gmail.com
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> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue