From baghery.jone at gmail.com Tue Jan 13 12:59:27 2015 From: baghery.jone at gmail.com (alireza baghery) Date: Tue, 13 Jan 2015 16:29:27 +0330 Subject: problem with increase volume disk iscsi Message-ID: hi i have one redhat 5.9 and add on one disk scsi (fibre) problem: when we increase volume disk (from 100G to 500G) iscsi in (hp p2000) do not see change on redhat i execute echo "- - -">/sys/class/fc_host/host2/scan and rescan-script-bus.sh but ?does not anythong change how to solve problem -------------- next part -------------- An HTML attachment was scrubbed... URL: From franchu.garcia at gmail.com Tue Jan 13 15:05:13 2015 From: franchu.garcia at gmail.com (Fran Garcia) Date: Tue, 13 Jan 2015 16:05:13 +0100 Subject: problem with increase volume disk iscsi In-Reply-To: References: Message-ID: On Tue, Jan 13, 2015 at 1:59 PM, alireza baghery <> wrote: > hi > i have one redhat 5.9 and add on one disk scsi (fibre) > problem: > when we increase volume disk (from 100G to 500G) iscsi in (hp p2000) do not > see change on redhat > i execute echo "- - -">/sys/class/fc_host/host2/scan > and rescan-script-bus.sh > but ?does not anythong change > how to solve problem By reading the fine documentation :-) https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/pdf/Online_Storage_Reconfiguration_Guide/Red_Hat_Enterprise_Linux-5-Online_Storage_Reconfiguration_Guide-en-US.pdf ? Rescaning the controller won't rescan the disks. ? You need to instruct the kernel to check for block changes in the disk: echo 1 > /sys/block/sdX/device/rescan if you're using multipath, you'll need to iterate through each individual path, and the reconfigure the multipatah device with multipathd -k"resize mpathX" cheers ~f From baghery.jone at gmail.com Thu Jan 15 04:08:03 2015 From: baghery.jone at gmail.com (alireza baghery) Date: Thu, 15 Jan 2015 07:38:03 +0330 Subject: problem with increase volume disk iscsi In-Reply-To: References: Message-ID: Red Hat recommends that this type of scan be used *only when necessary*. In addition, the following restrictions must be observed when scanning storage interconnects server is live and do not interupt in services On Tue, Jan 13, 2015 at 6:35 PM, Fran Garcia wrote: > On Tue, Jan 13, 2015 at 1:59 PM, alireza baghery <> wrote: > > hi > > i have one redhat 5.9 and add on one disk scsi (fibre) > > problem: > > when we increase volume disk (from 100G to 500G) iscsi in (hp p2000) do > not > > see change on redhat > > i execute echo "- - -">/sys/class/fc_host/host2/scan > > and rescan-script-bus.sh > > but ?does not anythong change > > how to solve problem > > By reading the fine documentation :-) > > https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/pdf/Online_Storage_Reconfiguration_Guide/Red_Hat_Enterprise_Linux-5-Online_Storage_Reconfiguration_Guide-en-US.pdf > > ? Rescaning the controller won't rescan the disks. > ? You need to instruct the kernel to check for block changes in the disk: > echo 1 > /sys/block/sdX/device/rescan > > if you're using multipath, you'll need to iterate through each > individual path, and the reconfigure the multipatah device with > multipathd -k"resize mpathX" > > cheers > > ~f > > -- > redhat-sysadmin-list mailing list > redhat-sysadmin-list at redhat.com > https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list -------------- next part -------------- An HTML attachment was scrubbed... URL: