upgrade Solaris 7 to 9

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  • 1. why does this core dump?
    I am using system shared memory techniques, like shmget, shmat etc to create a shared memory segment and manipulate data. I get a core dump (SIGSEGV) when I run the daemon on Solaris. The same program works fine on Red hat enterprise linux. Here is the relevant section of code causing the problem. probeSession *pSession = reinterpret_cast<probeSession *>(shmStart + nO ffset); util::utilLog(ePROBE_LOG_ERROR, "Failed to %d. \n", pSession->captureRuleIndex) The access to the shared memory variable pSession->captureRuleIndex is the culprit. Even on Solaris if i do as follows, It works fine. int nTest; memcpy (&nTest, &(pSession->captureRuleIndex), sizeof (int)); util::utilLog(ePROBE_LOG_ERROR, "Failed to %d. \n", nTest); I want to avoid the memcpy for performance reasons. In the real world I want to access the entire struct (probeSession) which is about 1264 bytes . So memcpy is an expensive operation for a real time packet capture system that I am working on. Ninan
  • 2. looking for VFS consultants
    I am looking for a consultant who has a lot of experience with Unix VFS, particularly under Solaris and/or Aix. Please contact me by email if you are interested and a good candidate. Thanks. Neil Weicher XXXX@XXXXX.COM
  • 3. How to uninstall veritas VM completely in Soaris 8
    Can somebody please give me a step by step instructions for completely uninstalling/ removing Veritas VM 3.5 from a system running solaris 8? I want to remove veritas so that I will get my /dev/dsk device names back. Please help.
  • 4. /var/adm/pacct madness
    Hi, This is a standard solaris 9 box. The /var/adm/pacct file is HUGE (300 Mb) and also, there are numerous /var/adm/pacct.* files that are also huge. I read the man pages but I am confused. Can I turn off accounting by removing/renaming /etc/rc3.d/S99acct ? If so, are there any security implications ? If I should not turn process acounting off (or prevent if from starting) how am I to reduce the size of the pacct files and remove the old ones ? We are not doing any "billing" on the machine (anyway, who does anyeay these days !) Thanks P.S: My old solaris 2.6 boxes do not have process accounting started by default
  • 5. volume on disks
    After using "vxresize -F vxfs -g diskgroup volume_name size", the volume grows to three disks in the same disk group. But two of the three disks have their own volumes as well. Is there a way to let the growed volume not to use the two disks? I was thinking to use vxresize to reduce the spaces on those two disks. Please advise! Give some detail steps. Thanks!

upgrade Solaris 7 to 9

Postby bridge_xue » Thu, 29 Dec 2005 09:11:55 GMT

I have a machine runnig Solaris 7, just wonder if it is possible to
upgrade directly from Solaris 7 to Solaris  9?

The disks on the Solaris 7 machine is mirrored with DiskSuite,  when I
upgrade it, do I need to break the mirror and  take the disk out from
the DiskSuite or even remove the DiskSuite package?

What is the senario of upgrading when the disks are under DiskSuite?

Thanks for advice!


Re: upgrade Solaris 7 to 9

Postby Dave » Thu, 29 Dec 2005 10:00:23 GMT



Yes, although I don't know about any specific problems with DiskSuite, 
which you later mention.

If the machine is an Ultra based one, is there any good reason for using 
9 rather than 10?



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Dave K

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Re: upgrade Solaris 7 to 9

Postby HSP » Thu, 29 Dec 2005 10:35:02 GMT

my recomendation is install a fresh copy and patches.
to do this, break the mirror and install in one of the disks, so you can 
boot from the other disk if something wrong.
after the install and aplying recommended patches & configuration you can 
mirror again.

< XXXX@XXXXX.COM > escribi?en el mensaje 





Re: upgrade Solaris 7 to 9

Postby Rich Teer » Thu, 29 Dec 2005 13:51:57 GMT




Assuming the HW and SW are still supported, yes it should be possible.
By why not upgrade to S10?

-- 
Rich Teer, SCNA, SCSA, OpenSolaris CAB member

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Re: upgrade Solaris 7 to 9

Postby Casper H.S. Dik » Thu, 29 Dec 2005 19:28:00 GMT

 XXXX@XXXXX.COM  writes:


Yes.  Solaris supports upgrades from 2 or 3 releases back.



Works as long as you upgrade to Solaris 9 or later, I believe.

LVM (formerly known as DiskSuite) is bundled and present when you
boot the install miniroot.  It should recognize the mirrored
root and allow it to be upgraded.

Casper
-- 
Expressed in this posting are my opinions.  They are in no way related
to opinions held by my employer, Sun Microsystems.
Statements on Sun products included here are not gospel and may
be fiction rather than truth.

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