Red Hat Bugzilla – Bug 221322
Unable to create mirror with name longer than 22 chars
Last modified: 2013-02-28 23:04:24 EST
Description of problem: You can create linears with names of 23 chars just fine: [root@link-08 bin]# lvcreate -n 1234567890123456789012 -L 20M mirror_sanity Logical volume "1234567890123456789012" created [root@link-08 bin]# lvcreate -n 12345678901234567890123 -L 20M mirror_sanity Logical volume "12345678901234567890123" created but not mirrors: [root@link-08 bin]# lvcreate -n 1234567890123456789012 -L 20M -m 1 mirror_sanity Logical volume "1234567890123456789012" created [root@link-08 bin]# lvcreate -n 12345678901234567890123 -L 20M -m 1 mirror_sanity Failed to generate unique name for the new logical volume Aborting. Failed to create mirror image LV. Remove new LV and retry. [root@link-08 bin]# lvs -a -o +devices LV VG Attr LSize Origin Snap% Move Log Copy% Devices 1234567890123456789012 mirror_sanity mwi-a- 20.00M 1234567890123456789012_mlog 100.00 1234567890123456789012_mimage_0(0),1234567890123456789012_mimage_1(0) 12345678901234567890123_mlog mirror_sanity -wi--- 4.00M /dev/sdb1(5) [1234567890123456789012_mimage_0] mirror_sanity iwi-ao 20.00M /dev/sda1(0) [1234567890123456789012_mimage_1] mirror_sanity iwi-ao 20.00M /dev/sdb1(0) [1234567890123456789012_mlog] mirror_sanity lwi-ao 4.00M /dev/sdg1(0) [root@link-08 bin]# dmsetup ls mirror_sanity-1234567890123456789012 (253, 5) mirror_sanity-1234567890123456789012_mlog (253, 2) VolGroup00-LogVol01 (253, 1) VolGroup00-LogVol00 (253, 0) mirror_sanity-1234567890123456789012_mimage_1 (253, 4) mirror_sanity-1234567890123456789012_mimage_0 (253, 3) [root@link-08 bin]# dmsetup table mirror_sanity-1234567890123456789012: 0 40960 mirror disk 3 253:2 1024 block_on_error 2 253:3 0 253:4 0 mirror_sanity-1234567890123456789012_mlog: 0 8192 linear 8:97 384 VolGroup00-LogVol01: 0 4063232 linear 3:2 151912832 VolGroup00-LogVol00: 0 151912448 linear 3:2 384 mirror_sanity-1234567890123456789012_mimage_1: 0 40960 linear 8:17 384 mirror_sanity-1234567890123456789012_mimage_0: 0 40960 linear 8:1 384 [root@link-08 bin]# lvscan ACTIVE '/dev/mirror_sanity/1234567890123456789012' [20.00 MB] inherit inactive '/dev/mirror_sanity/12345678901234567890123_mlog' [4.00 MB] inherit As you can see the log does end up created which is confusing. Version-Release number of selected component (if applicable): lvm2-2.02.17-1 How reproducible: everytime
Fixed upstream 2.02.18, setting to POST (waiting for next rebase of RHEL4.5 pkg).
Fix verified in lvm2-2.02.19-1.el4.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2007-0287.html