Hi Limin, The scenario was that there was no free space on the PV which was made up of a singe partition /dev/sdc1. The customer used back end tools to expand /dev/sdc1. I couldn't figure out a way to let LVM know that /dev/sdc1 was now "bigger". In the end we simply had the customer add a new PV (/dev/sdd1) in order to vgextend/lvextend the file system. Regards, Keith -----Original Message----- From: Limin Wang [mailto:lance.lmwang@xxxxxxxxx] Sent: Thursday, May 25, 2006 10:05 AM To: Kearnan, Keith Cc: linux-scsi@xxxxxxxxxxxxxxx; admitriev@xxxxxxxxxxx; lance.lmwang@xxxxxxxxx; sct@xxxxxxxxxx Subject: Re: resizing LUN (not file system) while the file system (ext3) i sonline keith, If you PV has free space, then you can create a new partition with the free space, pvcreate it and vgextend your volume group. Yes, you have to resize the file system as well. Thanks, Limin * Kearnan_Keith@xxxxxxx <Kearnan_Keith@xxxxxxx> [2006-05-25 09:11:34 -0400]: > > Hi folks, > > Since I am the author of the EMC knowledge base article (emc122304) > mentioned I feel I should respond to this thread. > > > Andrey, > > You are correct. Overcautious is exactly what I was shooting for...so it > worked. Remember, complete newbies (Windows Admins that get Linux added to > their responsibility) read these knowledge base articles and then try them > out on their company's vital data. > > > Limin, > > LVM can be done online by adding an additional PV. I've had a customer > expand their single PV "behind the scenes". Is there a way to get LVM to > recognize a resized PV? If so please share because I couldn't find a > command to do it. > > > Stephen, > > The article is dated 11/18/2005 and states "ext3 does not support online > expansion...yet". So yes it is very out of date. > > I will get to work updating emc122304. Did this behavior start in base > RHEL4 (2.6.9-5)? > > > Cheers, > > -Keith > > -----Original Message----- > From: linux-scsi-owner@xxxxxxxxxxxxxxx > [mailto:linux-scsi-owner@xxxxxxxxxxxxxxx] On Behalf Of Stephen C. Tweedie > Sent: Thursday, May 25, 2006 7:46 AM > To: admitriev@xxxxxxxxxxx > Cc: linux-scsi@xxxxxxxxxxxxxxx; Stephen Tweedie > Subject: Re: resizing LUN (not file system) while the file system (ext3) > isonline > > Hi, > > On Thu, 2006-05-25 at 01:16 -0400, Andrey Dmitriev wrote: > > > I understand that ext3 doesn't support online expansion (not in RedHat > ES/AS > > at least) > > Yes it does, and it should work fine in RHEL-4, or FC-3 or later. Ted > just integrated the online resize user-space tools into upstream > e2fsprogs a couple of months ago, and only this week he turned on the > resize inode feature in mke2fs by default. > > > However, just because the disk array can be done online that does not mean > > the application layer can handle online expansion (some file systems can > > handle online expansion, currently ext3 cannot)." > > Out-of-date information. :-) > > Cheers, > Stephen > > > - > : send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
