kdb and fscsi attributes
I received the following
question from an AIX administrator in Germany. “ Hi Chris, on your blog, you explain how to find out the active value
of num_cmd_elems of an fc-adapter by using the kdb. So you can
decide, if the value of lsattr is active or not ... I wonder if you can find out the values fc_err_recov and
dyntrk of the fscsiX device.? # lsattr -El fscsi0 attach
switch How this adapter is
CONNECTED False dyntrk
yes Dynamic Tracking of
FC Devices True fc_err_recov delayed_fail FC... [More]
Tags: fc_error_recov chris_gibson dyntrk fscsi num_cmd_elems attributes kdb aix |
Replicated rootvg, ghostdev and NPIV
My team and I have recently
been trying to stream line our AIX disaster recovery process. We’ve been
looking for ways to reduce our overall recovery time. Several ideas were tossed
around such as a) using a standby DR LPAR with AIX already installed and using
rsync/scp to keep the Prod & DR LPARs in sync and b) using alt_disk_copy
(with the –O flag for a device reset) to clone rootvg to an alternate disk
which is then replicated to DR. These methods may work but are cumbersome to
administer and (in the case of alt_disk_copy) require... [More]
Tags: chris led recovery hds rootvg fc support ghostdev lpar replication hung gibson 554 boot replicated chris_gibson vfc vsp aix channel san virtual fibre dr disaster hang npiv |
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