good point. sorry. The partition's parent's device number will be in the dmsetup deps list. /dev/sda2 is a partition; dmsetup deps will list its parent's, /dev/sda, major:minor as a dependency of the mpath device . kludgy. > -----Original Message----- > From: dm-devel-bounces@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx] > On Behalf Of Joel Becker > Sent: Tuesday, February 10, 2009 4:33 PM > To: device-mapper development > Subject: Re: Bug? Determining the holders of partitions > shadowed by dm-multipath. > > On Tue, Feb 10, 2009 at 09:49:58AM -0500, Romanowski, John (OFT) wrote: > > my sles10sp2 at 2.6.16.60-0.29-default doesn't have the > /sys/block/.../holders but > > I've used major:minor device numbers from commands > > dmsetup ls > > and > > dmsetup deps > > to resolve such device relationships. > > > > A 'dmsetup ls' device number that isn't listed in 'dmsetup deps' > device numbers is a top-level device. Example below: mproot-part1 (dev > 253:3, a partition of mp device 253:2) isn't listed as a dependency of > any device. Likewise each listed LVM volume isn't listed as a > dependency of any device; example- rootvg-tmp 253:10 > > Sure, but a /dev/sda2 won't show up in dmsetup output anywhere. > That's kind of my point. > > Joel > > -- > > Life's Little Instruction Book #198 > > "Feed a stranger's expired parking meter." > > Joel Becker > Principal Software Developer > Oracle > E-mail: joel.becker@xxxxxxxxxx > Phone: (650) 506-8127 > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel This e-mail, including any attachments, may be confidential, privileged or otherwise legally protected. It is intended only for the addressee. If you received this e-mail in error or from someone who was not authorized to send it to you, do not disseminate, copy or otherwise use this e-mail or its attachments. Please notify the sender immediately by reply e-mail and delete the e-mail from your system. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
