Hello,
I am starting to
thin provision LUNs (lun set reservation disable) in order to start using
A-SIS on some large (1TB)
volumes. Before I turn A-SIS on, I
started testing these LUNs and do see the space on the filer grow accordingly
with writes on the host. However, the space never seems to go down when I
delete files on the host:
rtpstore2b> df
/vol/iscsi
Filesystem
kbytes used
avail capacity Mounted on
/vol/iscsi/
10485760 9974748
511012 95% /vol/iscsi/
/vol/iscsi/.snapshot
0
0
0 ---% /vol/iscsi/.snapshot
[root@vrhel5 /]# df
/mnt/iscsi
Filesystem
1K-blocks Used Available Use% Mounted
on
/dev/sde1
10321192 7804844 1992064 80%
/mnt/iscsi
I see that when I
begin writing again, the filer space won't
start increasing until there is an increase in space above what the filter
already thinks. Is this behavior normal? When I turn SIS on, will
the filer LUN size reduce as blocks are deduplicated so that I can
then reduce the volume?
Lastly, I will
definitely need to know when my volumes autosize so I can focus my attention on
not having the aggregate fill up. It would be wonderful if I could set up
an SNMP trap to send to Nagios for notification. Before I dig into the
MIBs and create the custom trap (if I even
can), has anyone done anything similar they could share?
TIA,
Daniel
______________________________________________________________________
This email transmission and any documents, files or previous email
messages attached to it may contain information that is confidential or
legally privileged. If you are not the intended recipient or a person
responsible for delivering this transmission to the intended recipient,
you are hereby notified that you must not read this transmission and
that any disclosure, copying, printing, distribution or use of this
transmission is strictly prohibited. If you have received this transmission
in error, please immediately notify the sender by telephone or return email
and delete the original transmission and its attachments without reading
or saving in any manner.
|