On Thu, Feb 4, 2010 at 12:07 PM, Yong Huang <yong321@xxxxxxxxx> wrote: > $ cat /etc/redhat-release > Red Hat Enterprise Linux Server release 5.2 (Tikanga) > $ uname -a > Linux xxxxx 2.6.18-92.1.13.el5 #1 SMP Thu Sep 4 03:51:21 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux > > Once in a while, blkid command shows missing LABEL for my device mapper disks VOL3 and VOL4: > > $ blkid > ... > /dev/mapper/asmvol2p1: LABEL="VOL2" TYPE="oracleasm" > /dev/mapper/asmvol1p1: LABEL="VOL1" TYPE="oracleasm" > /dev/sdp1: LABEL="VOL2" TYPE="oracleasm" > /dev/sdg1: LABEL="" TYPE="oracleasm" > /dev/sdf1: LABEL="" TYPE="oracleasm" > /dev/sdb1: LABEL="VOL2" TYPE="oracleasm" > /dev/sda1: LABEL="VOL1" TYPE="oracleasm" > /dev/mapper/asmvol3p1: LABEL="" TYPE="oracleasm" > /dev/mapper/asmvol4p1: LABEL="" TYPE="oracleasm" > /dev/sdh1: LABEL="VOL1" TYPE="oracleasm" > /dev/sdi1: LABEL="VOL2" TYPE="oracleasm" > /dev/sdm1: LABEL="" TYPE="oracleasm" > /dev/sdn1: LABEL="" TYPE="oracleasm" > /dev/sdo1: LABEL="VOL1" TYPE="oracleasm" > /dev/sdt1: LABEL="" TYPE="oracleasm" > /dev/sdu1: LABEL="" TYPE="oracleasm" > /dev/sdv1: LABEL="VOL1" TYPE="oracleasm" > /dev/sdw1: LABEL="VOL2" TYPE="oracleasm" > /dev/sdaa1: LABEL="" TYPE="oracleasm" > /dev/sdab1: LABEL="" TYPE="oracleasm" > > Later blkid shows all labels correctly, without us doing anything. > > $ blkid | egrep 'VOL3|VOL4' > /dev/sdg1: LABEL="VOL4" TYPE="oracleasm" > /dev/sdf1: LABEL="VOL3" TYPE="oracleasm" > /dev/mapper/asmvol3p1: LABEL="VOL3" TYPE="oracleasm" > /dev/mapper/asmvol4p1: LABEL="VOL4" TYPE="oracleasm" > /dev/sdm1: LABEL="VOL3" TYPE="oracleasm" > /dev/sdn1: LABEL="VOL4" TYPE="oracleasm" > /dev/sdt1: LABEL="VOL3" TYPE="oracleasm" > /dev/sdu1: LABEL="VOL4" TYPE="oracleasm" > /dev/sdaa1: LABEL="VOL3" TYPE="oracleasm" > /dev/sdab1: LABEL="VOL4" TYPE="oracleasm" > > There's nothing in /var/log/messages. No cron job I know of that touches disk headers. What can be done to troubleshoot? > > Oracle continues to function correctly, probably because once the database is up, the label is no longer needed, till the next database restart. > > Yong Huang > > > > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > Have you checked active paths when the label is empty? What does 'service oracleasm listdisks' show when the label is missing? -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list