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Operating Systems AIX Stale PPs in AIX, failed disks.. how to replace? Post 302922705 by bakunin on Monday 27th of October 2014 09:41:25 PM
Old 10-27-2014
Quote:
Originally Posted by c3rb3rus
Am I looking to see that a LP# is not on both failed disks?
Excactly. Your listing looks like this:

Code:
LP    PP1  PV1               PP2  PV2               PP3  PV3
0001  0111 hdisk0            0056 hdisk1            
0002  0111 hdisk1            0056 hdisk2            
0003  0111 hdisk2            0056 hdisk3            
0004  0111 hdisk3            0056 hdisk4

What you look for are lines like these:

Code:
LP    PP1  PV1               PP2  PV2               PP3  PV3
[...]
nnnn  xxxx hdisk31           yyyy hdisk3
nnnn  xxxx hdisk3            yyyy hdisk31
nnnn  xxxx hdisk3            yyyy hdisk3
nnnn  xxxx hdisk31           yyyy hdisk31

I didn't bother to build it but a little sed/awk/grep-filtering should do the trick nicely.

Any of these would mean that you lost both copies of a certain LP and thus data. In this case you will need to restore the respective LV from backup no matter what. You need to verify of this being the case first, because you will not be able to remove the missing disks with the method i described otherwise.

I hope this helps.

bakunin
 

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File::stat(3pm) 					 Perl Programmers Reference Guide					   File::stat(3pm)

NAME
File::stat - by-name interface to Perl's built-in stat() functions SYNOPSIS
use File::stat; $st = stat($file) or die "No $file: $!"; if ( ($st->mode & 0111) && $st->nlink > 1) ) { print "$file is executable with lotsa links "; } use File::stat qw(:FIELDS); stat($file) or die "No $file: $!"; if ( ($st_mode & 0111) && $st_nlink > 1) ) { print "$file is executable with lotsa links "; } DESCRIPTION
This module's default exports override the core stat() and lstat() functions, replacing them with versions that return "File::stat" objects. This object has methods that return the similarly named structure field name from the stat(2) function; namely, dev, ino, mode, nlink, uid, gid, rdev, size, atime, mtime, ctime, blksize, and blocks. You may also import all the structure fields directly into your namespace as regular variables using the :FIELDS import tag. (Note that this still overrides your stat() and lstat() functions.) Access these fields as variables named with a preceding "st_" in front their method names. Thus, "$stat_obj->dev()" corresponds to $st_dev if you import the fields. To access this functionality without the core overrides, pass the "use" an empty import list, and then access function functions with their full qualified names. On the other hand, the built-ins are still available via the "CORE::" pseudo-package. BUGS
As of Perl 5.8.0 after using this module you cannot use the implicit $_ or the special filehandle "_" with stat() or lstat(), trying to do so leads into strange errors. The workaround is for $_ to be explicit my $stat_obj = stat $_; and for "_" to explicitly populate the object using the unexported and undocumented populate() function with CORE::stat(): my $stat_obj = File::stat::populate(CORE::stat(_)); NOTE
While this class is currently implemented using the Class::Struct module to build a struct-like class, you shouldn't rely upon this. AUTHOR
Tom Christiansen perl v5.8.0 2002-06-01 File::stat(3pm)
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