On Fri, 2007-10-26 at 09:29 -0500, isplist@xxxxxxxxxxxx wrote: > After using LUN masking and zoning to make sure that hosts didn't access other > hosts data space, I find myself with lost volumes on some of the hosts. Since > I didn't remove them before making the changes, I am now stuck with the > following; > > # lvscan > /dev/sda: read failed after 0 of 4096 at 0: Input/output error > ACTIVE '/dev/VolGroup03/web' [475.62 GB] inherit > > # vgscan > Reading all physical volumes. This may take a while... > /dev/sda: read failed after 0 of 4096 at 0: Input/output error > /dev/sda: read failed after 0 of 4096 at 1073676288: Input/output error > /dev/sda: read failed after 0 of 4096 at 0: Input/output error > Found volume group "VolGroup03" using metadata type lvm2 > > # pvscan > /dev/sda: read failed after 0 of 4096 at 0: Input/output error > /dev/sda: read failed after 0 of 4096 at 1073676288: Input/output error > /dev/sda: read failed after 0 of 4096 at 0: Input/output error > PV /dev/sdb VG VolGroup03 lvm2 [475.62 GB / 0 free] > Total: 1 [475.62 GB] / in use: 1 [475.62 GB] / in no VG: 0 [0 ] > > With the changes, /dev/sda and /dev/sdc (which doesn't show anymore) no longer > exists. How can I safely remove the sda references? > > Mike > Usually you'd want to do this prior to zoning away a device, but "echo 1 > /sys/block/sda/device/delete" should get rid of it. -Steve -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
