partprobe often helps in this scenario. --matt
On Jan 19, 2010, at 10:46 AM, Flaherty, Patrick wrote: > I was under the impression that the linux kernel refuses to detect > changes to the physical device that the root file system is mounted > from. I've always had to reboot to get the kernel to recognize new > geometry on single physical device machines. > > Patrick > >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of >> [email protected] >> Sent: Tuesday, January 19, 2010 9:14 AM >> To: [email protected]; [email protected] >> Subject: RE: RAID expansion >> >> I once had a similar problem with SuSE I think. >> I was successful using >> >> echo 1 > /sys/block/sdX/device/rescan >> >> But I think on RH it might even be possible to just use >> >> udevstart >> >> command to do the trick. >> Let me know the results. >> >> Jens. >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Steve Thompson >> Sent: 19 January 2010 14:48 >> To: linux-poweredge-Lists >> Subject: RAID expansion >> >> >> CentOS 5.4 x86_64 OMSA 5.4 on a PE2900. >> >> I expanded a RAID-6 set by the addition of additional volumes >> through OMSA. All physical disks were in local slots attached >> to the same Perc 6/i (no MDx000). The entire disk /dev/sdX >> (no partitions) was previously made into a single LVM volume >> group, and remained active throughout this procedure. When >> completed, "omreport storage vdisk" reported the new and >> >> correct size. The new size was not otherwise available to the kernel, >> however: pvscan reported the old size, pvresize did not >> resize, /sys/block/sdX/size contained the old size. A >> pvresize resized the physical volume only after a reboot. >> What's the trick to making this work without a reboot? I have >> several RAID sets to resize, where rebooting is >> >> not an option. Thanks, >> >> Steve >> >> _______________________________________________ >> Linux-PowerEdge mailing list >> [email protected] >> https://lists.us.dell.com/mailman/listinfo/linux-poweredge >> Please read the FAQ at http://lists.us.dell.com/faq >> >> _______________________________________________ >> Linux-PowerEdge mailing list >> [email protected] >> https://lists.us.dell.com/mailman/listinfo/linux-poweredge >> Please read the FAQ at http://lists.us.dell.com/faq >> >> > > _______________________________________________ > Linux-PowerEdge mailing list > [email protected] > https://lists.us.dell.com/mailman/listinfo/linux-poweredge > Please read the FAQ at http://lists.us.dell.com/faq _______________________________________________ Linux-PowerEdge mailing list [email protected] https://lists.us.dell.com/mailman/listinfo/linux-poweredge Please read the FAQ at http://lists.us.dell.com/faq
