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Full Discussion: Any tips to grow iSCSI LUN
Operating Systems AIX Any tips to grow iSCSI LUN Post 302517143 by bakunin on Tuesday 26th of April 2011 07:47:41 AM
Old 04-26-2011
Hello again, sorry for not answering earlier. It was easter holidays and i was vacationing abroad.

Quote:
Originally Posted by bbbngowc
to an AIX 5.3 box.
Did you check the technology level? AFAIR "chvg -g" came into AIX at some 5.3-TL, but i can't really remember which. You'll probably find that one easy enough, i suppose.

Quote:
Originally Posted by bbbngowc
The LUN is used directly. The default iscsi drivers are being used (if that's what you mean).
Yes, this is what i meant. I'm not sure if an iSCSI-connection and its drivers is/are able to propagate a LUN change to the AIX machine. Direct FC connections driven by SDD or PCM are able to do so, but that doesn't necessarily meant that the same is the case with iSCSI. Maybe what works over glass doesn't work over copper at all. We exclusively use FC connections, so i can't really help you there for lack of operating experience.

Have you tried a "bootinfo -s"? What does it report, the old or the new size? This should work regardless of the disk being in a VG or not, it questions the driver layer below the LVM.

I hope this helps.

bakunin
 

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ISCSID(8)						   Linux Administrator's Manual 						 ISCSID(8)

NAME
iscsid - Open-iSCSI daemon SYNOPSIS
iscsid [OPTION] DESCRIPTION
The iscsid implements the control path of iSCSI protocol, plus some management facilities. For example, the daemon could be configured to automatically re-start discovery at startup, based on the contents of persistent iSCSI database. OPTIONS
[-c|--config=]config-file Read configuration from config-file rather than the default /etc/iscsi/iscsid.conf file. [-i|--initiatorname=]iname-file Read initiator name from iname-file rather than the default /etc/iscsi/initiatorname.iscsi file. [-f|--foreground] run iscsid in the foreground. [-d|--debug=]debug_level print debugging information. Valid values for debug_level are 0 to 8. [-u|--uid=]uid run under user ID uid (default is the current user ID) [-g|--gid=]gid run under user group ID gid (default is the current user group ID). [-n|--no-pid-file] do not write a process ID file. [-p|--pid=]pid-file write process ID to pid-file rather than the default /var/run/iscsid.pid [-h|--help] display this help and exit [-v|--version] display version and exit. FILES
/etc/iscsi/iscsid.conf The configuration file read by iscsid and iscsiadm on startup. /etc/iscsi/initiatorname.iscsi The file containing the iSCSI initiatorname and initiatoralias read by iscsid and iscsiadm on startup. /etc/iscsi/nodes Open-iSCSI persistent configuration database SEE ALSO
iscsiadm(8) AUTHORS
Open-iSCSI project <http://www.open-iscsi.org/> Alex Aizman <itn780@yahoo.com> Dmitry Yusupov <dmitry_yus@yahoo.com> July 2005 ISCSID(8)
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