New virtual Ethernet adapter attribute for largesend on AIX
The latest versions of AIX now allow largesend on virtual adapters to remain persistent across reboots. I can’t find any
information for this attribute in the AIX 7.1 Information center yet. The new attrribute is called mtu_bypass and can be changed with the chdev command. e.g ; AIX 7.1
TL1 SP2. # oslevel -s 7100-01-02-1150 ; LARGESEND
is off . # ifconfig
en1 en1: flags=1e080863,480<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT, CHECKSUM_OFFLOAD(ACTIVE),CHAIN > inet 10.153.20.46 netmask
0xffff0000... [More]
Tags: aix mtu_bypass on virtual adapters ethernet largesend chris_gibson |
Convert rootvg file systems to JFS2 using alt_disk_copy
Q: Does
alt_disk_copy convert JFS filesystems to JFS2? A: Yes! Starting at 6100-04 , a new
flag was introduced that would convert JFS filesystems to JFS2. We now have the
-T which does the conversion. http://www-01.ibm.com/support/docview.wss?uid=isg3T1011055 Here’s an example of converting
rootvg file systems from JFS to JFS2 using alt_disk_copy .
My lab system was migrated from AIX
5.3 to 7.1 via nimadm . Unfortunately, nimadm does not convert JFS file
systems to JFS2 during the migration. So, in this case, even though... [More]
Tags: convert chris_gibson jfs2 aix alt_disk_copy conversion jfs |
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