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 <[email protected]> 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 یdoes 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 > [email protected] > https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list
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