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Full Discussion: cfgmgr and hdisk number allocation
Operating Systems AIX cfgmgr and hdisk number allocation Post 302096560 by fosteria on Thursday 16th of November 2006 09:07:45 AM
Old 11-16-2006
Flashcopy Scripts
Hello again,

Further to my original post; I'm looking at our existing Flashcopy scripts and the related changes prior to adding our new disks. Can anybody ratify the following scripted processes (in principal) ?

Recreate Flashcopies :

(Shutdown database - quiesce i/o)

1. SMcli -n "FAStT700" -c 'recreateFlashcopy logicalDrive ["FC VOL 1-1"];
2. SMcli -n "FAStT700" -c 'create mapping logicalDrive="FC VOL 1-1" logicalUnitNumber=xx host="AIX HOST";
3.hot_add (actually cfmgr -l deviceclass)
4. chdev -l hdiskxx -a pv=clear;
5. recreatevg -y fc_vgname hdiskxx hdiskxx hdiskxx etc
6. mount /fc_filesystem

Disable Flashcopies :

1. umount /fc_filesystem
2. varyoffvg fc_vgname
3. export fc_vgname
4. rmdev -l hdiskxx (omitting -d which we run currently)
5. Smcli -n "FAStT700" -c 'delete mapping logicalDrive="FC VOL 1-1" host ="AIX HOST";
6. SMcli -n "FAStT700" -c 'disableFlashCopy logicalDrive ["FC VOL 1-1"];

Do I need to do 'chdev -l hdiskxx -a pv=yes' after the clear (step 4) in the recreate to switch the pv from defined to available again; or will the 'hot_add' do that anyway?

Also we got an error with a dirty jfs2 superblock the other night when we mounted the FC volumes. I was wondering about (a) adding a 'sync;sync;sync' call before creating the FCs to flush the buffers and (b) adding a full fsck of the FC volumes before they are mounted; I'm not sure what the policy is on this ??

Thanks in advance.
 

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LEARN ABOUT MOJAVE

gldeletesync

GLDELETESYNC(3G)						    OpenGL 3.3							  GLDELETESYNC(3G)

NAME

       glDeleteSync - delete a sync object

C SPECIFICATION

       void glDeleteSync(GLsync sync);

PARAMETERS

       sync
	   The sync object to be deleted.

DESCRIPTION

       glDeleteSync deletes the sync object specified by sync. If the fence command corresponding to the specified sync object has completed, or
       if no glWaitSync() or glClientWaitSync() commands are blocking on sync, the object is deleted immediately. Otherwise, sync is flagged for
       deletion and will be deleted when it is no longer associated with any fence command and is no longer blocking any glWaitSync() or
       glClientWaitSync() command. In either case, after glDeleteSync returns, the name sync is invalid and can no longer be used to refer to the
       sync object.

       glDeleteSync will silently ignore a sync value of zero.

NOTES

       glSync is only supported if the GL version is 3.2 or greater, or if the ARB_sync extension is supported.

ERRORS

       GL_INVALID_VALUE is generated if sync is neither zero or the name of a sync object.

SEE ALSO

       glFenceSync(), glWaitSync(), glClientWaitSync()

COPYRIGHT

       Copyright (C) 2010 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication
       License, v 1.0, 8 June 1999.  http://opencontent.org/openpub/.

OpenGL 3.3							    03/08/2011							  GLDELETESYNC(3G)
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