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Full Discussion: Free PP Allocation problem
Operating Systems AIX Free PP Allocation problem Post 302505710 by broonster on Thursday 17th of March 2011 03:41:08 PM
Old 03-17-2011
Quote:
Originally Posted by zxmaus
Apologies, I forgot that you have a VIO server - my commands do work on 'normal aix'.

Ok so the missing pps are used by /var/vio/VMLibrary which doesn't seem to be mirrored.
I am not sure if commands like df -g or chfs commands are working on vio servers (as these are managed by another team in my company) but I would try to find out if I can make one of the existing filesystems either smaller or can live without a mirror for it - I would say /home would be such a candidate as it seems relatively huge and it doesnt necessarily have to be mirrored - depending on how full it is you could try to reduce the size by 1 GB and give the space to /usr instead with chfs -a size=-1G /home and chfs -a size=+1G /usr ?

Regards
zxmaus
That's exactly what I'll do, I'll reduce the size of /home as it's huge.

Two things I don't understand though:
1. I deleted a huge 20G SAVSYS from /var/vio/VMLibrary but it didn't free up any PPs on either physical disk. Would I have to delete files then reduce the filesystem using chfs before I see any free PPs?
2. If /var/vio/VMLibrary isn't mirrored how does it appear on both physical disks?

Cheers

Craig

Last edited by broonster; 03-17-2011 at 05:10 PM..
 

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HUGETLBFS_FIND_PATH(3)					     Library Functions Manual					    HUGETLBFS_FIND_PATH(3)

NAME
hugetlbfs_find_path, hugetlbfs_find_path_for_size - Locate an appropriate hugetlbfs mount point SYNOPSIS
#include <hugetlbfs.h> const char *hugetlbfs_find_path(void); const char *hugetlbfs_find_path_for_size(long page_size); DESCRIPTION
These functions return a pathname for a mounted hugetlbfs filesystem for the appropriate huge page size. For hugetlbfs_find_path, the default huge page size is used (see gethugepagesize(3)). For hugetlbfs_find_path_for_size, a valid huge page size must be specified (see gethugepagesizes(3)). RETURN VALUE
On success, a non-NULL value is returned. On failure, NULL is returned. SEE ALSO
libhugetlbfs(7), gethugepagesize(3), gethugepagesizes(3) AUTHORS
libhugetlbfs was written by various people on the libhugetlbfs-devel mailing list. March 7, 2012 HUGETLBFS_FIND_PATH(3)
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